MEW

MEW is an EXE compression tool that was specifically designed to handle small files.
Technique Identifier

Evasion Categories

Packers

Detection Rules

rule Mew_11_SE_v12_Eng_Northfox_: PEiD
{
    strings:
        $a = { E9 ?? ?? ?? FF 0C ?? ?? 00 00 00 00 00 00 00 00 00 ?? ?? ?? 00 0C }
    condition:
        $a at pe.entry_point

}
rule Mew_10_V10_Eng_Northfox: PEiD
{
    strings:
        $a = { 33 C0 E9 ?? ?? FF FF }
    condition:
        $a at pe.entry_point

}
rule MEW_11_SE_v10_Northfox_additional: PEiD
{
    strings:
        $a = { E9 ?? ?? ?? FF 0C ?? 00 00 00 00 00 00 00 00 00 00 ?? ?? ?? 00 0C ?? 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 }
    condition:
        $a at pe.entry_point

}
rule MEW_11_SE_12: PEiD
{
    strings:
        $a = { E9 ?? ?? ?? FF 0C ?? 00 00 00 00 00 00 00 00 00 00 ?? ?? ?? 00 0C ?? 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 }
        $b = { E9 ?? ?? ?? ?? 0C ?? ?? ?? 00 00 00 00 00 00 00 00 }
    condition:
        for any of ($*) : ( $ at pe.entry_point )

}
rule _PseudoSigner_02_MEW_11_SE_10_Anorganix: PEiD
{
    strings:
        $a = { E9 09 00 00 00 00 00 00 02 00 00 00 0C 90 }
    condition:
        $a at pe.entry_point

}
rule MEW_11_SE_12_additional: PEiD
{
    strings:
        $a = { E9 ?? ?? ?? ?? 0C ?? ?? ?? 00 00 00 00 00 00 00 00 }
    condition:
        $a at pe.entry_point

}
rule MEW_11_SE_v11: PEiD
{
    strings:
        $a = { E9 ?? ?? ?? FF 0C ?? 00 00 00 00 00 00 00 00 00 00 }
    condition:
        $a at pe.entry_point

}
rule MEW_11_SE_v12: PEiD
{
    strings:
        $a = { E9 ?? ?? ?? FF 0C ?? 00 00 00 00 00 00 00 00 00 00 ?? ?? ?? 00 0C ?? 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 }
        $b = { E9 ?? ?? ?? FF 0C ?? 00 00 00 00 00 00 00 00 00 00 ?? ?? ?? 00 0C ?? 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 }
    condition:
        for any of ($*) : ( $ at pe.entry_point )

}
rule MEW_11_SE_11_Northfox_additional: PEiD
{
    strings:
        $a = { E9 ?? ?? ?? ?? 00 00 00 02 00 00 00 0C 00 }
    condition:
        $a at pe.entry_point

}
rule MEW_10_Northfox: PEiD
{
    strings:
        $a = { 33 C0 E9 }
    condition:
        $a at pe.entry_point

}
rule Mew_501_NorthFox_HCC: PEiD
{
    strings:
        $a = { BE 5B 00 40 00 AD 91 AD 93 53 AD 96 56 5F AC C0 C0 ?? 04 ?? C0 C8 ?? AA E2 F4 C3 00 ?? ?? 00 ?? ?? ?? 00 00 10 40 00 4D 45 57 20 30 2E 31 20 62 79 20 4E 6F 72 74 68 66 6F 78 00 4D 45 57 20 30 2E 31 20 62 79 20 4E 6F 72 74 68 66 6F 78 00 4D 45 57 20 30 2E 31 20 62 79 20 4E 6F 72 74 68 66 6F 78 00 4D 45 57 20 30 2E 31 20 62 79 20 4E 6F 72 74 68 66 6F 78 00 4D }
        $b = { BE 5B 00 40 00 AD 91 AD 93 53 AD 96 56 5F AC C0 C0 ?? 04 ?? C0 C8 ?? AA E2 F4 C3 00 ?? ?? 00 ?? ?? ?? 00 00 10 40 00 4D 45 57 20 30 2E 31 20 62 79 20 4E 6F 72 74 68 66 6F 78 00 4D 45 57 20 30 2E 31 20 62 79 20 4E 6F 72 74 68 66 6F 78 00 4D 45 57 20 30 2E }
    condition:
        for any of ($*) : ( $ at pe.entry_point )

}
rule PseudoSigner_02_MEW_11_SE_10: PEiD
{
    strings:
        $a = { E9 09 00 00 00 00 00 00 02 00 00 00 0C 90 }
    condition:
        $a at pe.entry_point

}
rule Mew_10_v10_Eng_Northfox: PEiD
{
    strings:
        $a = { 33 C0 E9 ?? ?? ?? FF }
    condition:
        $a at pe.entry_point

}
rule MEW_11_SE_v12_NorthfoxHCC_additional: PEiD
{
    strings:
        $a = { E9 ?? ?? ?? FF 0C ?? ?? 00 00 00 00 00 00 00 00 00 ?? ?? ?? 00 0C ?? ?? 00 }
    condition:
        $a at pe.entry_point

}
rule MEW_11_SE_11_Northfox: PEiD
{
    strings:
        $a = { E9 ?? ?? ?? ?? 0C ?? ?? ?? 00 00 00 00 00 00 00 00 }
    condition:
        $a at pe.entry_point

}
rule Mew_11_SE_v12_Eng_Northfox: PEiD
{
    strings:
        $a = { E9 ?? ?? ?? FF 0C ?? ?? 00 00 00 00 00 00 00 00 00 ?? ?? ?? 00 0C }
    condition:
        $a at pe.entry_point

}
rule MEW_10_packer_v10_Northfox: PEiD
{
    strings:
        $a = { 33 C0 E9 ?? ?0 }
    condition:
        $a at pe.entry_point

}
rule MEW_10_by_Northfox: PEiD
{
    strings:
        $a = { 33 C0 E9 ?? ?? FF FF ?? 1C ?? ?? 40 }
    condition:
        $a at pe.entry_point

}
rule MEW_11_SE_v11_additional: PEiD
{
    strings:
        $a = { E9 ?? ?? ?? FF 0C ?? 00 00 00 00 00 00 00 00 00 00 }
    condition:
        $a at pe.entry_point

}
rule PseudoSigner_02_MEW_11_SE_10_Anorganix: PEiD
{
    strings:
        $a = { E9 09 00 00 00 00 00 00 02 00 00 00 0C 90 }
    condition:
        $a at pe.entry_point

}
rule Mew_11_SE_v12_Eng_Northfox_additional: PEiD
{
    strings:
        $a = { 06 1E 52 B8 ?? ?? 1E CD 21 86 E0 3D }
    condition:
        $a at pe.entry_point

}
rule MEW_11_SE_v12_NorthfoxHCC: PEiD
{
    strings:
        $a = { E9 ?? ?? ?? FF 0C ?? ?? 00 00 00 00 00 00 00 00 00 ?? ?? ?? 00 0C ?? ?? 00 }
    condition:
        $a at pe.entry_point

}
rule _PseudoSigner_01_MEW_11_SE_10: PEiD
{
    strings:
        $a = { E9 09 00 00 00 00 00 00 02 00 00 00 0C 90 E9 }
    condition:
        $a at pe.entry_point

}
rule _PseudoSigner_02_MEW_11_SE_10: PEiD
{
    strings:
        $a = { E9 09 00 00 00 00 00 00 02 00 00 00 0C 90 }
    condition:
        $a at pe.entry_point

}
rule MEW_5_10_Northfox_additional: PEiD
{
    strings:
        $a = { BE 48 01 ?? ?? ?? ?? ?? 95 A5 33 C0 }
    condition:
        $a at pe.entry_point

}
rule MEW_11_SE_v12_Northfox: PEiD
{
    strings:
        $a = { ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? EB 02 FA 04 E8 49 00 00 00 69 E8 49 00 00 00 95 E8 4F 00 00 00 68 E8 1F 00 00 00 49 E8 E9 FF FF FF 67 E8 1F 00 00 00 93 E8 31 00 00 00 78 E8 DD FF FF FF 38 E8 E3 FF FF FF 66 E8 0D 00 00 00 04 E8 E3 FF FF FF 70 E8 CB FF FF FF 69 E8 DD FF FF FF 58 E8 DD FF FF FF 69 E8 E3 FF FF FF 79 E8 BF FF FF FF 69 83 C4 40 E8 00 00 00 00 5D 81 ED 9D 11 40 00 8D 95 B4 11 40 00 E8 CB 2E 00 00 33 C0 F7 F0 69 8D B5 05 12 40 00 B9 5D 2E 00 00 8B FE AC }
        $b = { EB 02 FA 04 E8 49 00 00 00 69 E8 49 00 00 00 95 E8 4F 00 00 00 68 E8 1F 00 00 00 49 E8 E9 FF FF FF 67 E8 1F 00 00 00 93 E8 31 00 00 00 78 E8 DD FF FF FF 38 E8 E3 FF FF FF 66 E8 0D 00 00 00 04 E8 E3 FF FF FF 70 E8 CB FF FF FF 69 E8 DD FF FF FF 58 E8 DD FF FF FF 69 E8 E3 FF FF FF 79 E8 BF FF FF FF 69 83 C4 40 E8 00 00 00 00 5D 81 ED 9D 11 40 00 8D 95 B4 11 40 00 E8 CB 2E 00 00 33 C0 F7 F0 69 8D B5 05 12 40 00 B9 5D 2E 00 00 8B FE AC }
    condition:
        for any of ($*) : ( $ at pe.entry_point )

}
rule MEW_5_Northfox: PEiD
{
    strings:
        $a = { BE ?? ?? ?? ?? AD 91 AD 93 53 AD 96 56 5F AC }
    condition:
        $a at pe.entry_point

}
rule PseudoSigner_01_MEW_11_SE_10_Anorganix: PEiD
{
    strings:
        $a = { E9 09 00 00 00 00 00 00 02 00 00 00 0C 90 E9 }
    condition:
        $a at pe.entry_point

}
rule _PseudoSigner_01_MEW_11_SE_10_Anorganix: PEiD
{
    strings:
        $a = { E9 09 00 00 00 00 00 00 02 00 00 00 0C 90 E9 }
    condition:
        $a at pe.entry_point

}
rule MEW_11_SE_v11_Northfox: PEiD
{
    strings:
        $a = { E9 ?? ?? ?? ?? 0C ?? ?? ?? 00 00 00 00 00 00 00 00 }
    condition:
        $a at pe.entry_point

}
rule MEW_11_SE_v10_Northfox: PEiD
{
    strings:
        $a = { E9 ?? ?? ?? ?? 00 00 00 02 00 00 00 0C ?0 }
        $b = { E9 ?? ?? ?? FF 0C ?? 00 00 00 00 00 00 00 00 00 00 ?? ?? ?? 00 0C ?? 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 }
    condition:
        for any of ($*) : ( $ at pe.entry_point )

}
rule Mew_501_NorthFox_HCC_additional: PEiD
{
    strings:
        $a = { BE 5B 00 40 00 AD 91 AD 93 53 AD 96 56 5F AC C0 C0 ?? 04 ?? C0 C8 ?? AA E2 F4 C3 00 ?? ?? 00 ?? ?? ?? 00 00 10 40 00 4D 45 57 20 30 2E 31 20 62 79 20 4E 6F 72 74 68 66 6F 78 00 4D 45 57 20 30 2E 31 20 62 79 20 4E 6F 72 74 68 66 6F 78 00 4D 45 57 20 30 2E }
    condition:
        $a at pe.entry_point

}
rule MEW_10_by_Northfox_additional: PEiD
{
    strings:
        $a = { 33 C0 E9 ?? ?? FF FF ?? 1C ?? ?? 40 }
    condition:
        $a at pe.entry_point

}
rule Mew_10_exe_coder_10_Northfox_HCC: PEiD
{
    strings:
        $a = { 33 C0 E9 ?? ?? FF FF 6A ?? ?? ?? ?? ?? 70 }
    condition:
        $a at pe.entry_point

}
rule Mew_10_v10_Northfox: PEiD
{
    strings:
        $a = { 33 C0 E9 ?? ?? FF FF }
    condition:
        $a at pe.entry_point

}
rule MEW_11_SE_v11_Northfox_HCC: PEiD
{
    strings:
        $a = { E9 ?? ?? ?? FF 0C }
        $b = { E9 ?? ?? ?? FF 0C ?0 }
    condition:
        for any of ($*) : ( $ at pe.entry_point )

}
rule MEW_11_SE_v12_additional: PEiD
{
    strings:
        $a = { E9 ?? ?? ?? FF 0C ?? 00 00 00 00 00 00 00 00 00 00 ?? ?? ?? 00 0C ?? 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 }
    condition:
        $a at pe.entry_point

}
rule Mew_10_exe_coder_10_Northfox_HCC_additional: PEiD
{
    strings:
        $a = { 33 C0 E9 ?? ?? FF FF 6A ?? ?? ?? ?? ?? 70 }
    condition:
        $a at pe.entry_point

}
rule MEW_11_SE_10_Northfox: PEiD
{
    strings:
        $a = { E9 ?? ?? ?? ?? 00 00 00 02 00 00 00 0C 00 }
    condition:
        $a at pe.entry_point

}
rule MEW_5_10_Northfox: PEiD
{
    strings:
        $a = { BE 5B 00 40 00 AD 91 AD 93 53 AD 96 56 5F AC C0 C0 }
    condition:
        $a at pe.entry_point

}
rule Mew_10_v10_Eng_Northfox_additional: PEiD
{
    strings:
        $a = { 33 C0 E9 ?? ?? ?? FF }
    condition:
        $a at pe.entry_point

}
rule MEW_11_SE_v11_Northfox_HCC_additional: PEiD
{
    strings:
        $a = { E9 ?? ?? ?? FF 0C }
    condition:
        $a at pe.entry_point

}
Additional Resources

External Links

The resources provided below are associated links that will give you even more detailed information and research on current evasion technique. It is important to note that, while these resources may be helpful, it is important to exercise caution when following external links. As always, be careful when clicking on links from unknown sources, as they may lead to malicious content.
Download MEW 11 SE 1.2
Matching Samples 10 most recent

Sample Name	Matching Techniques	First Seen	Last Seen
60ec34bc6a36e7232df209a3e04e...34af30aa34c568beba38a0b270c6	5	2024-11-19	1 year, 4 months ago
258898710ea7ca44019a0d2272ae...33d9bad24a5409ad3679a548279a	4	2024-11-19	1 year, 4 months ago
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Created

June 19, 2022
Last Revised

March 24, 2026