Overview

overview

10

Static

static

3

a3effee22b...2N.exe

windows7-x64

10

a3effee22b...2N.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    a3effee22b586e52fce2a669230f568b087f62a2de753adb7ffd5840b6259952N.exe

  • Size

    74KB

  • Sample

    241208-babnsatkfx

  • MD5

    a8e5569431807b6f0790054f0de8adf0

  • SHA1

    efde3831e0c8f1f6003cd6a9c018b23649e6d162

  • SHA256

    a3effee22b586e52fce2a669230f568b087f62a2de753adb7ffd5840b6259952

  • SHA512

    6e1dc45dd87db958693853cd0c021502760e26c61e80a941fe23442be20a1711cae1a2c19c799c2132982a5af433d9b8e6c9e292a5bb3b5dc5ae9b16fa59ed8b

  • SSDEEP

    1536:jkCZT8VXmhDgbi5yoO7jDA8cf3fUGpPlIgcKNER:j38V+Ai5yobfUGxlBcKN0

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

      a3effee22b586e52fce2a669230f568b087f62a2de753adb7ffd5840b6259952N.exe

    • Size

      74KB

    • MD5

      a8e5569431807b6f0790054f0de8adf0

    • SHA1

      efde3831e0c8f1f6003cd6a9c018b23649e6d162

    • SHA256

      a3effee22b586e52fce2a669230f568b087f62a2de753adb7ffd5840b6259952

    • SHA512

      6e1dc45dd87db958693853cd0c021502760e26c61e80a941fe23442be20a1711cae1a2c19c799c2132982a5af433d9b8e6c9e292a5bb3b5dc5ae9b16fa59ed8b

    • SSDEEP

      1536:jkCZT8VXmhDgbi5yoO7jDA8cf3fUGpPlIgcKNER:j38V+Ai5yobfUGxlBcKN0

    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