Overview

overview

10

Static

static

10

f7d2afd5db...ad.exe

windows7-x64

10

f7d2afd5db...ad.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    f7d2afd5dbef25593f0c0598a2d6c956de2a5bb6a0c70a6d8ab5633ec41172ad

  • Size

    290KB

  • Sample

    241223-fcd9xawlhy

  • MD5

    4e9e6cca61b0e8a216e9fa06f40804db

  • SHA1

    0794184eada401663d51fa24104f7bfd665c8686

  • SHA256

    f7d2afd5dbef25593f0c0598a2d6c956de2a5bb6a0c70a6d8ab5633ec41172ad

  • SHA512

    66af3de3518bc82ddf795a65bc2b1d7108f1da1f14119bb2d3c84975908ad9d1325bdbfb0c004426d9db5d922a4deffe27d50dba0fb296ae5c0aeb64cfadddd5

  • SSDEEP

    6144:AQxW+CJ6Y8jXSGHwwwwwwwwwB6vxUmKyIxLDXXoq9FJZCUmKyIxL:AQxl/jCGHwwwwwwwwwy32XXf9Do3

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

      f7d2afd5dbef25593f0c0598a2d6c956de2a5bb6a0c70a6d8ab5633ec41172ad

    • Size

      290KB

    • MD5

      4e9e6cca61b0e8a216e9fa06f40804db

    • SHA1

      0794184eada401663d51fa24104f7bfd665c8686

    • SHA256

      f7d2afd5dbef25593f0c0598a2d6c956de2a5bb6a0c70a6d8ab5633ec41172ad

    • SHA512

      66af3de3518bc82ddf795a65bc2b1d7108f1da1f14119bb2d3c84975908ad9d1325bdbfb0c004426d9db5d922a4deffe27d50dba0fb296ae5c0aeb64cfadddd5

    • SSDEEP

      6144:AQxW+CJ6Y8jXSGHwwwwwwwwwB6vxUmKyIxLDXXoq9FJZCUmKyIxL:AQxl/jCGHwwwwwwwwwy32XXf9Do3

    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