Overview

overview

10

Static

static

10

bd28229cb4...2b.exe

windows7-x64

10

bd28229cb4...2b.exe

windows10-2004-x64

10

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General

  • Target

    bd28229cb4f8f6013f577535e6d65fa3b30cb6e417dcb0aacf1124bca921e22b

  • Size

    464KB

  • Sample

    241208-c3snfatjel

  • MD5

    bdca599fa08c990c371c7dabec872e44

  • SHA1

    4be266842a67af82506513c81bb6856cd5e6b1a5

  • SHA256

    bd28229cb4f8f6013f577535e6d65fa3b30cb6e417dcb0aacf1124bca921e22b

  • SHA512

    10797282a122dc6e820c1286061a54e0f551f3ef5da7940f7070023cdd4f78adf46eb43dac4a372adcf37eb8fb19b92afd40cdace89b60404a5503e9615a813a

  • SSDEEP

    12288:VIhVN/1imah2kkkkK4kXkkkkkkkkl888888888888888888nusG:VIhn1fah2kkkkK4kXkkkkkkkkK

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

      bd28229cb4f8f6013f577535e6d65fa3b30cb6e417dcb0aacf1124bca921e22b

    • Size

      464KB

    • MD5

      bdca599fa08c990c371c7dabec872e44

    • SHA1

      4be266842a67af82506513c81bb6856cd5e6b1a5

    • SHA256

      bd28229cb4f8f6013f577535e6d65fa3b30cb6e417dcb0aacf1124bca921e22b

    • SHA512

      10797282a122dc6e820c1286061a54e0f551f3ef5da7940f7070023cdd4f78adf46eb43dac4a372adcf37eb8fb19b92afd40cdace89b60404a5503e9615a813a

    • SSDEEP

      12288:VIhVN/1imah2kkkkK4kXkkkkkkkkl888888888888888888nusG:VIhn1fah2kkkkK4kXkkkkkkkkK

    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