General

  • Target

    8bf543bbb6d94933a31ddd2bae61f80bdeb62127d1d100eeb62cf8f8ca0616c0.exe

  • Size

    800KB

  • Sample

    241225-sgsdjswncl

  • MD5

    e7fc88a7ee47bd5e73b224b23aa839be

  • SHA1

    64843fc0c6311719029e620918f1f9ceb9135442

  • SHA256

    8bf543bbb6d94933a31ddd2bae61f80bdeb62127d1d100eeb62cf8f8ca0616c0

  • SHA512

    2e6313c4594fab2cf4600abf682290a775500750e035fcfe2ea3244c4d1abeec115f97a831afb0e2dd867e44ce5833dde369aa89968e631a0dc36abd53a3fddf

  • SSDEEP

    12288:rIdc3R/+zrWAI5KFum/+zrWAIAqWim/+zrWAI5KFHTP7rXFr/+zrWAI5KFum/+zW:rIdc3Rm0BmmvFimm0MTP7hm0Bmmva

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

      8bf543bbb6d94933a31ddd2bae61f80bdeb62127d1d100eeb62cf8f8ca0616c0.exe

    • Size

      800KB

    • MD5

      e7fc88a7ee47bd5e73b224b23aa839be

    • SHA1

      64843fc0c6311719029e620918f1f9ceb9135442

    • SHA256

      8bf543bbb6d94933a31ddd2bae61f80bdeb62127d1d100eeb62cf8f8ca0616c0

    • SHA512

      2e6313c4594fab2cf4600abf682290a775500750e035fcfe2ea3244c4d1abeec115f97a831afb0e2dd867e44ce5833dde369aa89968e631a0dc36abd53a3fddf

    • SSDEEP

      12288:rIdc3R/+zrWAI5KFum/+zrWAIAqWim/+zrWAI5KFHTP7rXFr/+zrWAI5KFum/+zW:rIdc3Rm0BmmvFimm0MTP7hm0Bmmva

    • 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