General

  • Target

    a3f55b044219149f57129c9e60e5f5b9cc1a30a92fbe34885825ef20c1273de8

  • Size

    96KB

  • Sample

    241223-b385ratley

  • MD5

    e2c90d8775f4c02d40898854a5045fa0

  • SHA1

    387489e22f387926f6baff0647bf17079bcf8338

  • SHA256

    a3f55b044219149f57129c9e60e5f5b9cc1a30a92fbe34885825ef20c1273de8

  • SHA512

    4559b887037fcf5456b3bc8b30dee121cc628d2bebf28a9b4c74cbf9fde75ab7d10cbc1bd1c4c3f48df3b2201edc5c4ea459ce3a9d580a2bbdbb39ec88aebd93

  • SSDEEP

    1536:vTwLTWs9BC2MekllphWbVrF1P1GounyzflNBduV9jojTIvjrH:vR2MekllphW1f1Gooyz7Bd69jc0vf

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

      a3f55b044219149f57129c9e60e5f5b9cc1a30a92fbe34885825ef20c1273de8

    • Size

      96KB

    • MD5

      e2c90d8775f4c02d40898854a5045fa0

    • SHA1

      387489e22f387926f6baff0647bf17079bcf8338

    • SHA256

      a3f55b044219149f57129c9e60e5f5b9cc1a30a92fbe34885825ef20c1273de8

    • SHA512

      4559b887037fcf5456b3bc8b30dee121cc628d2bebf28a9b4c74cbf9fde75ab7d10cbc1bd1c4c3f48df3b2201edc5c4ea459ce3a9d580a2bbdbb39ec88aebd93

    • SSDEEP

      1536:vTwLTWs9BC2MekllphWbVrF1P1GounyzflNBduV9jojTIvjrH:vR2MekllphW1f1Gooyz7Bd69jc0vf

    • Adds autorun key to be loaded by Explorer.exe on startup

    • Berbew

      Berbew is a backdoor written in C++.

    • Berbew family

    • Executes dropped EXE

    • Loads dropped DLL

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks