Overview

overview

10

Static

static

3

3f90d20b12...a9.exe

windows7-x64

10

3f90d20b12...a9.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    3f90d20b1226a6289f6fe7c022fa6968a5b053b4a89223a0cfde79b81d009aa9

  • Size

    90KB

  • Sample

    241224-1dackaxqdy

  • MD5

    ea2f0bab000cc4cc8e6ab767e7a82304

  • SHA1

    f33c39cb5389b28d2d990735319ed154bd42b698

  • SHA256

    3f90d20b1226a6289f6fe7c022fa6968a5b053b4a89223a0cfde79b81d009aa9

  • SHA512

    24fa1cb22e2fc981bd4305274d71e6cc15a9efbba49d853cd4ca79d6fa76291d5864c6458207f3b7ab26c5d01fed0dd89e6dc315ebf4094f00f6ec6122843832

  • SSDEEP

    1536:beCgdjTg0iDjC0WiQ3/3FW0oVzG0u/Ub0VkVN6:bbgJIjILvs0CG0u/Ub0+N6

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

      3f90d20b1226a6289f6fe7c022fa6968a5b053b4a89223a0cfde79b81d009aa9

    • Size

      90KB

    • MD5

      ea2f0bab000cc4cc8e6ab767e7a82304

    • SHA1

      f33c39cb5389b28d2d990735319ed154bd42b698

    • SHA256

      3f90d20b1226a6289f6fe7c022fa6968a5b053b4a89223a0cfde79b81d009aa9

    • SHA512

      24fa1cb22e2fc981bd4305274d71e6cc15a9efbba49d853cd4ca79d6fa76291d5864c6458207f3b7ab26c5d01fed0dd89e6dc315ebf4094f00f6ec6122843832

    • SSDEEP

      1536:beCgdjTg0iDjC0WiQ3/3FW0oVzG0u/Ub0VkVN6:bbgJIjILvs0CG0u/Ub0+N6

    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