Overview

overview

10

Static

static

3

b3b00ec08e...1c.exe

windows7-x64

10

b3b00ec08e...1c.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    b3b00ec08e3a4c027d2419b54deac8c1bbd8271578215339e4bceb6a9efa581c

  • Size

    100KB

  • Sample

    241209-crg3kaxrbv

  • MD5

    bed5ce2f5aab78a2399b39b281a13b49

  • SHA1

    d301e6b18b47c3103a139aeb86e223db21128ef0

  • SHA256

    b3b00ec08e3a4c027d2419b54deac8c1bbd8271578215339e4bceb6a9efa581c

  • SHA512

    fb46d42f11164a688d530e45cae01e9b5dfb0dcd42824475ab1c86902648461b18cb3e283d45a878419cb6c5d7c7026ad742d445fb08ff0a076ed012d14f1cf5

  • SSDEEP

    1536:KD2ODZ2OAwxEx2r1FgeIZIEMAPCfDChNAvZg9FgblQQa3+om13XRzT:CXd2k1FgFqJW7AKzgb3a3+X13XRzT

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

      b3b00ec08e3a4c027d2419b54deac8c1bbd8271578215339e4bceb6a9efa581c

    • Size

      100KB

    • MD5

      bed5ce2f5aab78a2399b39b281a13b49

    • SHA1

      d301e6b18b47c3103a139aeb86e223db21128ef0

    • SHA256

      b3b00ec08e3a4c027d2419b54deac8c1bbd8271578215339e4bceb6a9efa581c

    • SHA512

      fb46d42f11164a688d530e45cae01e9b5dfb0dcd42824475ab1c86902648461b18cb3e283d45a878419cb6c5d7c7026ad742d445fb08ff0a076ed012d14f1cf5

    • SSDEEP

      1536:KD2ODZ2OAwxEx2r1FgeIZIEMAPCfDChNAvZg9FgblQQa3+om13XRzT:CXd2k1FgFqJW7AKzgb3a3+X13XRzT

    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