Overview

overview

10

Static

static

3

f2e8793d98...cf.exe

windows7-x64

10

f2e8793d98...cf.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    f2e8793d98576787fd0e27ad3f8584d53d8f50e5c0d23cd9ffd2ff2bfc59a8cf

  • Size

    79KB

  • Sample

    241121-nwl3vswndk

  • MD5

    de5afda8812b6903442c1d0f6d2416fb

  • SHA1

    72271ddf0bd7cc8d220b5611d922f5b0d9f47ee7

  • SHA256

    f2e8793d98576787fd0e27ad3f8584d53d8f50e5c0d23cd9ffd2ff2bfc59a8cf

  • SHA512

    00575b85d7ca2285e462e7b50fe112668cf71c8ed4a3d2a7f279547df0d0223f7ff5fb4d3673d50410625d3732969413cf1086492a857f63670137f91026ea1a

  • SSDEEP

    1536:KlONVzgZ6YGPN8y+TgTvmVYCBU7CfMCQojRQCRbRUs3cO57OWxXPu4T:KAzgZI+TIeNLDjeClj9puE

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

      f2e8793d98576787fd0e27ad3f8584d53d8f50e5c0d23cd9ffd2ff2bfc59a8cf

    • Size

      79KB

    • MD5

      de5afda8812b6903442c1d0f6d2416fb

    • SHA1

      72271ddf0bd7cc8d220b5611d922f5b0d9f47ee7

    • SHA256

      f2e8793d98576787fd0e27ad3f8584d53d8f50e5c0d23cd9ffd2ff2bfc59a8cf

    • SHA512

      00575b85d7ca2285e462e7b50fe112668cf71c8ed4a3d2a7f279547df0d0223f7ff5fb4d3673d50410625d3732969413cf1086492a857f63670137f91026ea1a

    • SSDEEP

      1536:KlONVzgZ6YGPN8y+TgTvmVYCBU7CfMCQojRQCRbRUs3cO57OWxXPu4T:KAzgZI+TIeNLDjeClj9puE

    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