Overview

overview

10

Static

static

3

1fcd8bf601...aN.exe

windows7-x64

10

1fcd8bf601...aN.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    1fcd8bf6014af58e2a51d5b0458298c9239437b71bc36d004aa832d2b281a15aN.exe

  • Size

    74KB

  • Sample

    241222-t98fxatqhq

  • MD5

    c6386817fce3e2e67f336ed0731c5b40

  • SHA1

    e4c48b49a02275a3ffe50da269e1bcdb8907813a

  • SHA256

    1fcd8bf6014af58e2a51d5b0458298c9239437b71bc36d004aa832d2b281a15a

  • SHA512

    27c9d7b648483d1fb7dea00a4c97c16bd02cd93ff2a9195e569f553e113ba04e37b0e90b2fe95a750565c00d4ba5dd72d6b66e956d7a942dd3f9a662db70ec35

  • SSDEEP

    1536:+DjaHVe9PeTZlymxk38oDen48DwVWEn5qpqjE8BIf:+DjMekzx3rn48mfSqIeO

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

      1fcd8bf6014af58e2a51d5b0458298c9239437b71bc36d004aa832d2b281a15aN.exe

    • Size

      74KB

    • MD5

      c6386817fce3e2e67f336ed0731c5b40

    • SHA1

      e4c48b49a02275a3ffe50da269e1bcdb8907813a

    • SHA256

      1fcd8bf6014af58e2a51d5b0458298c9239437b71bc36d004aa832d2b281a15a

    • SHA512

      27c9d7b648483d1fb7dea00a4c97c16bd02cd93ff2a9195e569f553e113ba04e37b0e90b2fe95a750565c00d4ba5dd72d6b66e956d7a942dd3f9a662db70ec35

    • SSDEEP

      1536:+DjaHVe9PeTZlymxk38oDen48DwVWEn5qpqjE8BIf:+DjMekzx3rn48mfSqIeO

    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