Overview

overview

10

Static

static

10

2cddff5c63...1a.exe

windows7-x64

10

2cddff5c63...1a.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2cddff5c636b05723bbb84ffc9442547391b05e9fcfbe4631f1a177192f0a21a

  • Size

    366KB

  • Sample

    241222-ztlvvsyngx

  • MD5

    8f3e5c1548180bfc0b6833d8597163bb

  • SHA1

    13963ef637b22597d4d6fbf83667feda87386647

  • SHA256

    2cddff5c636b05723bbb84ffc9442547391b05e9fcfbe4631f1a177192f0a21a

  • SHA512

    85f941bb15e5c8fbd7e736ee2d9e90d439353ffa685d85b83eea7d7f58e1162ac66b9e14078f33074ec951af550f7b49856e74f15204e63e5b645e9e19e896a5

  • SSDEEP

    6144:X21LnLcdpui6yYPaIGckjh/xaSfBJKFbhD7sYQpui6yYPaIGckvN4Ni:CPcdpV6yYPMLnfBJKFbhDwBpV6yYPyNv

Score
10/10
berbewbackdoordiscoverypersistence

Malware Config

Extracted

Family

berbew

C2

http://viruslist.com/wcmd.txt

http://viruslist.com/ppslog.php

http://viruslist.com/piplog.php?%s:%i:%i:%s:%09u:%i:%02d:%02d:%02d

Targets

    • Target

      2cddff5c636b05723bbb84ffc9442547391b05e9fcfbe4631f1a177192f0a21a

    • Size

      366KB

    • MD5

      8f3e5c1548180bfc0b6833d8597163bb

    • SHA1

      13963ef637b22597d4d6fbf83667feda87386647

    • SHA256

      2cddff5c636b05723bbb84ffc9442547391b05e9fcfbe4631f1a177192f0a21a

    • SHA512

      85f941bb15e5c8fbd7e736ee2d9e90d439353ffa685d85b83eea7d7f58e1162ac66b9e14078f33074ec951af550f7b49856e74f15204e63e5b645e9e19e896a5

    • SSDEEP

      6144:X21LnLcdpui6yYPaIGckjh/xaSfBJKFbhD7sYQpui6yYPaIGckvN4Ni:CPcdpV6yYPMLnfBJKFbhDwBpV6yYPyNv

    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