Overview

overview

10

Static

static

10

5be8edfcc4...a7.exe

windows7-x64

10

5be8edfcc4...a7.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    5be8edfcc45ffb95fff4ca7d73b3e46e815a0a7fe645d41d2c5b46f1d95940a7

  • Size

    100KB

  • Sample

    240929-1nsa5awcqf

  • MD5

    c5a66361f1a4f06a25fbad772040e861

  • SHA1

    33d37f1efba29c06924667b3fe768bee0dad7109

  • SHA256

    5be8edfcc45ffb95fff4ca7d73b3e46e815a0a7fe645d41d2c5b46f1d95940a7

  • SHA512

    5a1e57e129df4ae948796809a87d326b3c7c990d15cfd9ffe8ef90783dac03f98798c7701633a3cafc47b1e4203043c2a7effbd40b507f0eddb77dc413a59628

  • SSDEEP

    3072:h1wteo+fhOKzBlUdXkT/gb3a3+X13XRz:h1UeR7zAXkT47aOl3Bz

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

      5be8edfcc45ffb95fff4ca7d73b3e46e815a0a7fe645d41d2c5b46f1d95940a7

    • Size

      100KB

    • MD5

      c5a66361f1a4f06a25fbad772040e861

    • SHA1

      33d37f1efba29c06924667b3fe768bee0dad7109

    • SHA256

      5be8edfcc45ffb95fff4ca7d73b3e46e815a0a7fe645d41d2c5b46f1d95940a7

    • SHA512

      5a1e57e129df4ae948796809a87d326b3c7c990d15cfd9ffe8ef90783dac03f98798c7701633a3cafc47b1e4203043c2a7effbd40b507f0eddb77dc413a59628

    • SSDEEP

      3072:h1wteo+fhOKzBlUdXkT/gb3a3+X13XRz:h1UeR7zAXkT47aOl3Bz

    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

    • Executes dropped EXE

    • Loads dropped DLL

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks