General

  • Target

    cff2ddb9991a608e31a8a1780b86df5c103e77c3a3a05b6864c5c157e0fa9879

  • Size

    384KB

  • Sample

    241107-fc53mawekn

  • MD5

    fa4ad1b395d70e420eaf3874ce400e63

  • SHA1

    4106878d03812dff9af6a8dfab9e720c60e359a8

  • SHA256

    cff2ddb9991a608e31a8a1780b86df5c103e77c3a3a05b6864c5c157e0fa9879

  • SHA512

    a0b870c7bca2e44ba75d26176cc762d37d038d13b4141be827382aabba671e1a22b1d0c78ed2ad0714337fce1225bf680c664e00420b227e8dcb2d14491fdce7

  • SSDEEP

    6144:PbcLv4cpmfPHNVR2AGyZ6YugQdjGG1wsKm6eBgdQbkoKTBEAz/6DG1ETdqvZNem+:PbmvKFVRXGyXu1jGG1wsGeBgRTGAzciC

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

      cff2ddb9991a608e31a8a1780b86df5c103e77c3a3a05b6864c5c157e0fa9879

    • Size

      384KB

    • MD5

      fa4ad1b395d70e420eaf3874ce400e63

    • SHA1

      4106878d03812dff9af6a8dfab9e720c60e359a8

    • SHA256

      cff2ddb9991a608e31a8a1780b86df5c103e77c3a3a05b6864c5c157e0fa9879

    • SHA512

      a0b870c7bca2e44ba75d26176cc762d37d038d13b4141be827382aabba671e1a22b1d0c78ed2ad0714337fce1225bf680c664e00420b227e8dcb2d14491fdce7

    • SSDEEP

      6144:PbcLv4cpmfPHNVR2AGyZ6YugQdjGG1wsKm6eBgdQbkoKTBEAz/6DG1ETdqvZNem+:PbmvKFVRXGyXu1jGG1wsGeBgRTGAzciC

    • 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