Overview

overview

10

Static

static

3

ef50797ba6...9c.exe

windows7-x64

10

ef50797ba6...9c.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    ef50797ba6b4a1cb190735831c5da3481b54c369cd0617152732c04bccf8a89c

  • Size

    93KB

  • Sample

    241120-f54ehasfqn

  • MD5

    adc25583638621cf83337fbd2d26e735

  • SHA1

    d90ff4763f5b62817c6771f21f7ac8fd7c3ff165

  • SHA256

    ef50797ba6b4a1cb190735831c5da3481b54c369cd0617152732c04bccf8a89c

  • SHA512

    cbcf7ae6b016f4546f51fdf181592a1b922d58f1abe46aa09e0eec5701bae9fe3802f3e3aef90c681b9f51d380d85562d08a6283b2265bd8dfc315e830980197

  • SSDEEP

    1536:xz3E04Q7YjXXEH3BfNoL/HsE5lB8TYN5Vt8vFGKboz5V4Tq6jiwg58:pU04Q7Os3BfNoTK8JtMGe25V4GOY58

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

      ef50797ba6b4a1cb190735831c5da3481b54c369cd0617152732c04bccf8a89c

    • Size

      93KB

    • MD5

      adc25583638621cf83337fbd2d26e735

    • SHA1

      d90ff4763f5b62817c6771f21f7ac8fd7c3ff165

    • SHA256

      ef50797ba6b4a1cb190735831c5da3481b54c369cd0617152732c04bccf8a89c

    • SHA512

      cbcf7ae6b016f4546f51fdf181592a1b922d58f1abe46aa09e0eec5701bae9fe3802f3e3aef90c681b9f51d380d85562d08a6283b2265bd8dfc315e830980197

    • SSDEEP

      1536:xz3E04Q7YjXXEH3BfNoL/HsE5lB8TYN5Vt8vFGKboz5V4Tq6jiwg58:pU04Q7Os3BfNoTK8JtMGe25V4GOY58

    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