Overview

overview

10

Static

static

10

ab01aec91e...a5.exe

windows7-x64

10

ab01aec91e...a5.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    ab01aec91e11a6f39f7390cbf86c2b1cd85e0660561ebcb74c9e19fe0b7cf2a5

  • Size

    128KB

  • Sample

    241208-ccw8yawlds

  • MD5

    d9373e3bce28915550548088c19aeeaf

  • SHA1

    41a025af89e2f34c525efda36314c7bbfe842302

  • SHA256

    ab01aec91e11a6f39f7390cbf86c2b1cd85e0660561ebcb74c9e19fe0b7cf2a5

  • SHA512

    86ba34f5cb6aa9bf1ec2d0d427280e11acee494baac42edd18515253c0813fe8cd7b49d63c52646e219ae9266895ec202fdb699c705a87608820a1e553be6534

  • SSDEEP

    3072:pfYb6g4YJuW3ff3SUgKX03zGYJpD9r8XxrYnQ0:NU6g4A/3h0DGyZ6Yl

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

      ab01aec91e11a6f39f7390cbf86c2b1cd85e0660561ebcb74c9e19fe0b7cf2a5

    • Size

      128KB

    • MD5

      d9373e3bce28915550548088c19aeeaf

    • SHA1

      41a025af89e2f34c525efda36314c7bbfe842302

    • SHA256

      ab01aec91e11a6f39f7390cbf86c2b1cd85e0660561ebcb74c9e19fe0b7cf2a5

    • SHA512

      86ba34f5cb6aa9bf1ec2d0d427280e11acee494baac42edd18515253c0813fe8cd7b49d63c52646e219ae9266895ec202fdb699c705a87608820a1e553be6534

    • SSDEEP

      3072:pfYb6g4YJuW3ff3SUgKX03zGYJpD9r8XxrYnQ0:NU6g4A/3h0DGyZ6Yl

    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