General

  • Target

    f17bcc252b14a30a856af32b64aa0787c74369129cdb18447f3dac844a551484.exe

  • Size

    800KB

  • Sample

    241225-txwlksymbk

  • MD5

    8b606c33f600b7b9a284dbdb648ee942

  • SHA1

    6781f2400babc21e14cb3f54e07c44d3f40464a8

  • SHA256

    f17bcc252b14a30a856af32b64aa0787c74369129cdb18447f3dac844a551484

  • SHA512

    ede33024bd425186f8e1b23d4f8d55d7cda17a82586301357bb9fc876d765f8fe114bfb36fbff72fae3e63eda870ba2a0e76247446e31e8c97698e6a40443d8e

  • SSDEEP

    12288:qV1/+zrWAI5KFum/+zrWAIAqWim/+zrWAI5KFHTP7rXFr/+zrWAI5KFum/+zrWAc:qTm0BmmvFimm0MTP7hm0Bmmvu

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

      f17bcc252b14a30a856af32b64aa0787c74369129cdb18447f3dac844a551484.exe

    • Size

      800KB

    • MD5

      8b606c33f600b7b9a284dbdb648ee942

    • SHA1

      6781f2400babc21e14cb3f54e07c44d3f40464a8

    • SHA256

      f17bcc252b14a30a856af32b64aa0787c74369129cdb18447f3dac844a551484

    • SHA512

      ede33024bd425186f8e1b23d4f8d55d7cda17a82586301357bb9fc876d765f8fe114bfb36fbff72fae3e63eda870ba2a0e76247446e31e8c97698e6a40443d8e

    • SSDEEP

      12288:qV1/+zrWAI5KFum/+zrWAIAqWim/+zrWAI5KFHTP7rXFr/+zrWAI5KFum/+zrWAc:qTm0BmmvFimm0MTP7hm0Bmmvu

    • 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