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Overview

overview

10

Static

static

3

dc3bf31001...06.exe

windows7-x64

10

dc3bf31001...06.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    dc3bf3100123081e3d4d8f7f5b9b428b577d49bf44936cf3de78ab701965df06

  • Size

    96KB

  • Sample

    250305-m4vjjawzay

  • MD5

    0c570d796e915e8737017011e6361022

  • SHA1

    0b45a4857ac4158d5c97cc17057d9e26c5a9ce3e

  • SHA256

    dc3bf3100123081e3d4d8f7f5b9b428b577d49bf44936cf3de78ab701965df06

  • SHA512

    418b8d91f1946f97915eb69cb2d1bc0138c162b035ab997e8acaed310ed5a2f84e317cb5d998341b271136ec3fcd3cf673582eb319c61dc5711568506f50bb25

  • SSDEEP

    1536:g0ulz2r0X/i2TnCpjbqnDg6pZ+HyXEyOQZMZ3QNlnW/rLFhrUQVoMdUT+irF:ji2remjbqU6pZ2IyZ3QNSLFhr1Rhk

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

      dc3bf3100123081e3d4d8f7f5b9b428b577d49bf44936cf3de78ab701965df06

    • Size

      96KB

    • MD5

      0c570d796e915e8737017011e6361022

    • SHA1

      0b45a4857ac4158d5c97cc17057d9e26c5a9ce3e

    • SHA256

      dc3bf3100123081e3d4d8f7f5b9b428b577d49bf44936cf3de78ab701965df06

    • SHA512

      418b8d91f1946f97915eb69cb2d1bc0138c162b035ab997e8acaed310ed5a2f84e317cb5d998341b271136ec3fcd3cf673582eb319c61dc5711568506f50bb25

    • SSDEEP

      1536:g0ulz2r0X/i2TnCpjbqnDg6pZ+HyXEyOQZMZ3QNlnW/rLFhrUQVoMdUT+irF:ji2remjbqU6pZ2IyZ3QNSLFhr1Rhk

    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