Overview

overview

10

Static

static

3

41b29a63b6...63.exe

windows7-x64

10

41b29a63b6...63.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    41b29a63b6404dd768702d1071510fa2d884341b25cf5e5ef9bc840313466363

  • Size

    208KB

  • Sample

    250307-elkmlsvjw9

  • MD5

    4c38e256b7086d6e2fc847c4eb78668d

  • SHA1

    fba1fde4c8fd5f789c9c3b8036dc67e0a6f9cfb2

  • SHA256

    41b29a63b6404dd768702d1071510fa2d884341b25cf5e5ef9bc840313466363

  • SHA512

    b04da2618b54cfe2337711511b9d1f6d807107f1fcabd3be0bcfb1c572a50f0cf96366816eb33e516b32fd340da17849a1b191edeeaa38d9100c0f5cb6da4d39

  • SSDEEP

    3072:LFyY6nW2XMWlcRV0CgubJ74fu6+oXO56hKpi9poF5aY6+oocpGHHQnNJuIb:j6DdlcYCgdff+Eu6QnFw5+0pU8b

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

      41b29a63b6404dd768702d1071510fa2d884341b25cf5e5ef9bc840313466363

    • Size

      208KB

    • MD5

      4c38e256b7086d6e2fc847c4eb78668d

    • SHA1

      fba1fde4c8fd5f789c9c3b8036dc67e0a6f9cfb2

    • SHA256

      41b29a63b6404dd768702d1071510fa2d884341b25cf5e5ef9bc840313466363

    • SHA512

      b04da2618b54cfe2337711511b9d1f6d807107f1fcabd3be0bcfb1c572a50f0cf96366816eb33e516b32fd340da17849a1b191edeeaa38d9100c0f5cb6da4d39

    • SSDEEP

      3072:LFyY6nW2XMWlcRV0CgubJ74fu6+oXO56hKpi9poF5aY6+oocpGHHQnNJuIb:j6DdlcYCgdff+Eu6QnFw5+0pU8b

    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