Overview

overview

10

Static

static

10

e2ff8bfa5d...75.exe

windows7-x64

10

e2ff8bfa5d...75.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    e2ff8bfa5d7001e55ab85f4efd7d3d22a2a9694ba0ccbef3d9c026f91de65975.exe

  • Size

    419KB

  • Sample

    241222-s34zgasmbx

  • MD5

    27a22c876250faeba601f657453af000

  • SHA1

    56bce19817b859491f23b66628efcddf323c2981

  • SHA256

    e2ff8bfa5d7001e55ab85f4efd7d3d22a2a9694ba0ccbef3d9c026f91de65975

  • SHA512

    0a9472c0aa6017d86bc0b0fb0450aa91ff71f03fc1a7a4eb8886da109f8829aabf5a0f56b2454ffa1739ab16c9b5c3974aadaf3bb3f8db4bd588da956643d335

  • SSDEEP

    12288:4gMQ/bTByvNv54B9f01ZmHByvNv5fJPGsw:4gMQ/Avr4B9f01ZmQvrfJPG

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

      e2ff8bfa5d7001e55ab85f4efd7d3d22a2a9694ba0ccbef3d9c026f91de65975.exe

    • Size

      419KB

    • MD5

      27a22c876250faeba601f657453af000

    • SHA1

      56bce19817b859491f23b66628efcddf323c2981

    • SHA256

      e2ff8bfa5d7001e55ab85f4efd7d3d22a2a9694ba0ccbef3d9c026f91de65975

    • SHA512

      0a9472c0aa6017d86bc0b0fb0450aa91ff71f03fc1a7a4eb8886da109f8829aabf5a0f56b2454ffa1739ab16c9b5c3974aadaf3bb3f8db4bd588da956643d335

    • SSDEEP

      12288:4gMQ/bTByvNv54B9f01ZmHByvNv5fJPGsw:4gMQ/Avr4B9f01ZmQvrfJPG

    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