Overview

overview

10

Static

static

3

2b8fd0efed...5N.exe

windows7-x64

10

2b8fd0efed...5N.exe

windows10-2004-x64

10

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General

  • Target

    2b8fd0efedb12065eff5921e97abe69e7d6e15a31a527c0b284f5fb498e4d335N.exe

  • Size

    192KB

  • Sample

    241208-dz3jxavpgm

  • MD5

    ddd810e2a2685205dd9a6189b4352300

  • SHA1

    4863da66e392b194950635fe81b5f9ebbcb1a642

  • SHA256

    2b8fd0efedb12065eff5921e97abe69e7d6e15a31a527c0b284f5fb498e4d335

  • SHA512

    f7a3a95d470a279f699f85835a99a0ce1fe731830f9abb4e37e08e52d2bf33ae7dbdec49c882a430bcca6ca54f333f53b0bd3dc13aceaedc412895af56f7f774

  • SSDEEP

    3072:K2WKVhynFumkufzF3FQo7fnEBctcp/+wreVism:KDZ9kufzF3FF7fPtcsw6U1

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

      2b8fd0efedb12065eff5921e97abe69e7d6e15a31a527c0b284f5fb498e4d335N.exe

    • Size

      192KB

    • MD5

      ddd810e2a2685205dd9a6189b4352300

    • SHA1

      4863da66e392b194950635fe81b5f9ebbcb1a642

    • SHA256

      2b8fd0efedb12065eff5921e97abe69e7d6e15a31a527c0b284f5fb498e4d335

    • SHA512

      f7a3a95d470a279f699f85835a99a0ce1fe731830f9abb4e37e08e52d2bf33ae7dbdec49c882a430bcca6ca54f333f53b0bd3dc13aceaedc412895af56f7f774

    • SSDEEP

      3072:K2WKVhynFumkufzF3FQo7fnEBctcp/+wreVism:KDZ9kufzF3FF7fPtcsw6U1

    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