Overview

overview

10

Static

static

3

f61cfb4b21...fN.exe

windows7-x64

10

f61cfb4b21...fN.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    f61cfb4b216066ced28b2b37d5315346be117a3728f7f32415ff2743bd3992afN.exe

  • Size

    74KB

  • Sample

    241225-t4391aylfz

  • MD5

    68eb4977d1c513a99808770db82badd0

  • SHA1

    f2260b2c3511de1bd41aa09327c8501e52fe2c2f

  • SHA256

    f61cfb4b216066ced28b2b37d5315346be117a3728f7f32415ff2743bd3992af

  • SHA512

    d53a7e3831549b40a40a66e691f65df3630942d67c6db7180724c0fedaf75d9091172fd9fa8d4eba37657fab11e1df7db7bc2f3d193433c9f78dc63df07eb9da

  • SSDEEP

    1536:gb63vMrFYTpKNum4rB718sykrajMrBXXM9b5/sgi:gb63vwFY1Sum4rR18vFM58hi

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

      f61cfb4b216066ced28b2b37d5315346be117a3728f7f32415ff2743bd3992afN.exe

    • Size

      74KB

    • MD5

      68eb4977d1c513a99808770db82badd0

    • SHA1

      f2260b2c3511de1bd41aa09327c8501e52fe2c2f

    • SHA256

      f61cfb4b216066ced28b2b37d5315346be117a3728f7f32415ff2743bd3992af

    • SHA512

      d53a7e3831549b40a40a66e691f65df3630942d67c6db7180724c0fedaf75d9091172fd9fa8d4eba37657fab11e1df7db7bc2f3d193433c9f78dc63df07eb9da

    • SSDEEP

      1536:gb63vMrFYTpKNum4rB718sykrajMrBXXM9b5/sgi:gb63vwFY1Sum4rR18vFM58hi

    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