Overview

overview

10

Static

static

3

3d01536ecd...4N.exe

windows7-x64

10

3d01536ecd...4N.exe

windows10-2004-x64

10

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General

  • Target

    3d01536ecd36b5f51f7c82b2b31fe74707cd89090fc3c87d094d19ffbf081124N.exe

  • Size

    136KB

  • Sample

    241222-rfw5ns1jat

  • MD5

    55735f255187e6665176eec7fa338ce0

  • SHA1

    72aeeac27701bb8d65d1e7a9d97e78b082d25836

  • SHA256

    3d01536ecd36b5f51f7c82b2b31fe74707cd89090fc3c87d094d19ffbf081124

  • SHA512

    e59f85046327aa6d7765873f15083c75d7b362a069bbff475b96dc8d898e6411d6711670bc82dc93d212045b3d85d2677cd8513a3e4a7a9ad91ce86817f30213

  • SSDEEP

    1536:KG5TVSyqWTqJHwoy6FHru2c8+KAssJXcqOxL8ZTzbcJ+7zNjSKOhYXYnTmujz0cB:NPcJQZ2c8+KYsEXNjShiKIi/mjRrz3OT

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

      3d01536ecd36b5f51f7c82b2b31fe74707cd89090fc3c87d094d19ffbf081124N.exe

    • Size

      136KB

    • MD5

      55735f255187e6665176eec7fa338ce0

    • SHA1

      72aeeac27701bb8d65d1e7a9d97e78b082d25836

    • SHA256

      3d01536ecd36b5f51f7c82b2b31fe74707cd89090fc3c87d094d19ffbf081124

    • SHA512

      e59f85046327aa6d7765873f15083c75d7b362a069bbff475b96dc8d898e6411d6711670bc82dc93d212045b3d85d2677cd8513a3e4a7a9ad91ce86817f30213

    • SSDEEP

      1536:KG5TVSyqWTqJHwoy6FHru2c8+KAssJXcqOxL8ZTzbcJ+7zNjSKOhYXYnTmujz0cB:NPcJQZ2c8+KYsEXNjShiKIi/mjRrz3OT

    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