Overview

overview

10

Static

static

3

b8cc029bf2...85.exe

windows7-x64

10

b8cc029bf2...85.exe

windows10-2004-x64

10

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General

  • Target

    b8cc029bf2c02bd145b2a2096a34ff5491c54b1d43fcaadf53ed897442ae6785

  • Size

    109KB

  • Sample

    241209-cy22bayjc1

  • MD5

    bfaf4580f9c063ebf4400cf45e3f22bf

  • SHA1

    8786e965cda64ff105577500187673ec72a90ffc

  • SHA256

    b8cc029bf2c02bd145b2a2096a34ff5491c54b1d43fcaadf53ed897442ae6785

  • SHA512

    dbbf0e25400f4d52bb1b1f926d7da9b938da797dab31f8cbef6570dd3951d0855c974372a0ad074c05452a7196d86272a8c4d45d18e31016c953915a3a2e9617

  • SSDEEP

    3072:djSbdhiSddP+QbibR8fo3PXl9Z7S/yCsKh2EzZA/z:Onhdt+QbARgo35e/yCthvUz

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

      b8cc029bf2c02bd145b2a2096a34ff5491c54b1d43fcaadf53ed897442ae6785

    • Size

      109KB

    • MD5

      bfaf4580f9c063ebf4400cf45e3f22bf

    • SHA1

      8786e965cda64ff105577500187673ec72a90ffc

    • SHA256

      b8cc029bf2c02bd145b2a2096a34ff5491c54b1d43fcaadf53ed897442ae6785

    • SHA512

      dbbf0e25400f4d52bb1b1f926d7da9b938da797dab31f8cbef6570dd3951d0855c974372a0ad074c05452a7196d86272a8c4d45d18e31016c953915a3a2e9617

    • SSDEEP

      3072:djSbdhiSddP+QbibR8fo3PXl9Z7S/yCsKh2EzZA/z:Onhdt+QbARgo35e/yCthvUz

    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