Overview

overview

10

Static

static

3

aa91efa9e0...32.exe

windows7-x64

10

aa91efa9e0...32.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    aa91efa9e0ea11d66718bdccebfbc8ab4748a0ba7bc612a30d469c8c75629f32

  • Size

    92KB

  • Sample

    241208-cbpsgawkgy

  • MD5

    e889db132adab51f31ffa15baeb6dd48

  • SHA1

    8b6156f32a801043d8e047cd7a5d1c9040d19326

  • SHA256

    aa91efa9e0ea11d66718bdccebfbc8ab4748a0ba7bc612a30d469c8c75629f32

  • SHA512

    3bafa41e3ba5b9f3b9d343474b7a5e9cb194027386a68bb227996f5f6693f8752f2b179f73d83c215c5e8ad930efe7927ab9ee5b1b6e347122a3e01662f70b91

  • SSDEEP

    1536:dK/nCH18b2sZtnYTPSvC/0EO9/fE0ElDw2N3imnunGP+y:cnCHWb2sHYW6/0EmfV0Dw2Vbe4+y

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

      aa91efa9e0ea11d66718bdccebfbc8ab4748a0ba7bc612a30d469c8c75629f32

    • Size

      92KB

    • MD5

      e889db132adab51f31ffa15baeb6dd48

    • SHA1

      8b6156f32a801043d8e047cd7a5d1c9040d19326

    • SHA256

      aa91efa9e0ea11d66718bdccebfbc8ab4748a0ba7bc612a30d469c8c75629f32

    • SHA512

      3bafa41e3ba5b9f3b9d343474b7a5e9cb194027386a68bb227996f5f6693f8752f2b179f73d83c215c5e8ad930efe7927ab9ee5b1b6e347122a3e01662f70b91

    • SSDEEP

      1536:dK/nCH18b2sZtnYTPSvC/0EO9/fE0ElDw2N3imnunGP+y:cnCHWb2sHYW6/0EmfV0Dw2Vbe4+y

    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