Overview

overview

10

Static

static

3

4741e0a91c...4N.exe

windows7-x64

10

4741e0a91c...4N.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    4741e0a91c2164b6b9ff20b13ccc7a165f1d39718a69a8862a3cfea61768aa74N.exe

  • Size

    74KB

  • Sample

    241119-tnz8eayakc

  • MD5

    e0226f1c405455305108a6623fdc5f70

  • SHA1

    6b6c041e0563fa3cbb2a02445aa56977d7794f22

  • SHA256

    4741e0a91c2164b6b9ff20b13ccc7a165f1d39718a69a8862a3cfea61768aa74

  • SHA512

    a22730ca5cf681068d530336bf92cb48dc968ff5b14617968bf9b4d0741eec7960418e70972c02e94603e49910e93bf5a3c2a0a09cd6abd20e69291d50ba00de

  • SSDEEP

    1536:o820oDzgY9gUdaPspdknGvVRm5EkyglxZgwDOZ0Zr:40+0Y9dSsvhvVsEkPZnDOZ05

Score
10/10
berbewbackdoordiscoverypersistence

Malware Config

Extracted

Family

berbew

C2

http://f/wcmd.htm

http://f/ppslog.php

http://f/piplog.php?%s:%i:%i:%s:%09u:%i:%02d:%02d:%02d

Targets

    • Target

      4741e0a91c2164b6b9ff20b13ccc7a165f1d39718a69a8862a3cfea61768aa74N.exe

    • Size

      74KB

    • MD5

      e0226f1c405455305108a6623fdc5f70

    • SHA1

      6b6c041e0563fa3cbb2a02445aa56977d7794f22

    • SHA256

      4741e0a91c2164b6b9ff20b13ccc7a165f1d39718a69a8862a3cfea61768aa74

    • SHA512

      a22730ca5cf681068d530336bf92cb48dc968ff5b14617968bf9b4d0741eec7960418e70972c02e94603e49910e93bf5a3c2a0a09cd6abd20e69291d50ba00de

    • SSDEEP

      1536:o820oDzgY9gUdaPspdknGvVRm5EkyglxZgwDOZ0Zr:40+0Y9dSsvhvVsEkPZnDOZ05

    Score
    10/10
    berbewbackdoordiscoverypersistence

    • Adds autorun key to be loaded by Explorer.exe on startup

      persistence

    • Berbew

      Berbew is a backdoor written in C++.

      backdoorberbew

    • Berbew family

      berbew

    • Executes dropped EXE

    • Loads dropped DLL

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks