Overview

overview

10

Static

static

3

b4b4e2efb7...90.exe

windows7-x64

10

b4b4e2efb7...90.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    b4b4e2efb7c53031c8cd71c39e6afd34ff5d1a07a1506c41f324263de3f21190.exe

  • Size

    74KB

  • Sample

    241225-w1k1csslgj

  • MD5

    a76c171096dec203a521db19d9a75bc6

  • SHA1

    1b62cbf9733333fba5d8e0b4e24428b31e654c5e

  • SHA256

    b4b4e2efb7c53031c8cd71c39e6afd34ff5d1a07a1506c41f324263de3f21190

  • SHA512

    bbf0a22d8ba4bddb590dc811dec8786c3f5f8065f23db2df55bddff8ba45f36ac838416df5eff0d039fa01f24e3ed97ab92ddf1794d25a3d0659cbe9989b210e

  • SSDEEP

    1536:t54xZWaDOrZeHFdPXzI1u1uwn0YBYKVsFZ6zTk:tqWm7fvzI1u1OYBYKVsb6zTk

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

      b4b4e2efb7c53031c8cd71c39e6afd34ff5d1a07a1506c41f324263de3f21190.exe

    • Size

      74KB

    • MD5

      a76c171096dec203a521db19d9a75bc6

    • SHA1

      1b62cbf9733333fba5d8e0b4e24428b31e654c5e

    • SHA256

      b4b4e2efb7c53031c8cd71c39e6afd34ff5d1a07a1506c41f324263de3f21190

    • SHA512

      bbf0a22d8ba4bddb590dc811dec8786c3f5f8065f23db2df55bddff8ba45f36ac838416df5eff0d039fa01f24e3ed97ab92ddf1794d25a3d0659cbe9989b210e

    • SSDEEP

      1536:t54xZWaDOrZeHFdPXzI1u1uwn0YBYKVsFZ6zTk:tqWm7fvzI1u1OYBYKVsb6zTk

    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