Overview

overview

10

Static

static

3

85e5fd3f75...5d.exe

windows7-x64

10

85e5fd3f75...5d.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    85e5fd3f75b096d51b8008eedb90f737f0ed70319ba1705552d4fea8cb5cf05d

  • Size

    95KB

  • Sample

    241208-awr28axqhk

  • MD5

    95528d7984f5a892141a5876dc7222f7

  • SHA1

    8578600471db9e4fb045d28a6ffd853c54a1449e

  • SHA256

    85e5fd3f75b096d51b8008eedb90f737f0ed70319ba1705552d4fea8cb5cf05d

  • SHA512

    2b8a3ab89d67cb54b141384a5d938c50c3038486210a203c03deae56d4030b4584e499a3fde18337b923fd70a3c286704fe9bb836b234238f9715464669f7cb2

  • SSDEEP

    1536:XrZ04LfwevRAXq7+WxgeUGRLLvS74OM6bOLXi8PmCofG3:fJKq7+WxgkRK74DrLXfzoe3

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

      85e5fd3f75b096d51b8008eedb90f737f0ed70319ba1705552d4fea8cb5cf05d

    • Size

      95KB

    • MD5

      95528d7984f5a892141a5876dc7222f7

    • SHA1

      8578600471db9e4fb045d28a6ffd853c54a1449e

    • SHA256

      85e5fd3f75b096d51b8008eedb90f737f0ed70319ba1705552d4fea8cb5cf05d

    • SHA512

      2b8a3ab89d67cb54b141384a5d938c50c3038486210a203c03deae56d4030b4584e499a3fde18337b923fd70a3c286704fe9bb836b234238f9715464669f7cb2

    • SSDEEP

      1536:XrZ04LfwevRAXq7+WxgeUGRLLvS74OM6bOLXi8PmCofG3:fJKq7+WxgkRK74DrLXfzoe3

    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