Overview

overview

10

Static

static

3

3fbcb4e997...ea.exe

windows7-x64

10

3fbcb4e997...ea.exe

windows10-2004-x64

10

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General

  • Target

    3fbcb4e99783c6eeccafa4adaeea4161d95ba79d2becf94c9f467ad4bfaa5aea

  • Size

    89KB

  • Sample

    250306-aarjkatlt4

  • MD5

    9d33296e717fc92ccc1f2e6b7ce18609

  • SHA1

    d00cc7f42576c03d6a8f5a2f9a8480b80ea3f63a

  • SHA256

    3fbcb4e99783c6eeccafa4adaeea4161d95ba79d2becf94c9f467ad4bfaa5aea

  • SHA512

    de8f12326853c82bd47172b74e5bc482a055a4e81c620e362aff1c83f8fe31c406514f70d5364d9b803b399f7b605e37d64028d8d203b6b9a7ab2cd6f88f19cd

  • SSDEEP

    1536:CadvKkH6Rm64WABFRb16xVHaK4JtWl9qPldKwTD3/Flllllllllllllllllllllm:CadvIRm0ABFRb0PHaK4Jyqtd9TT/qVtB

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

      3fbcb4e99783c6eeccafa4adaeea4161d95ba79d2becf94c9f467ad4bfaa5aea

    • Size

      89KB

    • MD5

      9d33296e717fc92ccc1f2e6b7ce18609

    • SHA1

      d00cc7f42576c03d6a8f5a2f9a8480b80ea3f63a

    • SHA256

      3fbcb4e99783c6eeccafa4adaeea4161d95ba79d2becf94c9f467ad4bfaa5aea

    • SHA512

      de8f12326853c82bd47172b74e5bc482a055a4e81c620e362aff1c83f8fe31c406514f70d5364d9b803b399f7b605e37d64028d8d203b6b9a7ab2cd6f88f19cd

    • SSDEEP

      1536:CadvKkH6Rm64WABFRb16xVHaK4JtWl9qPldKwTD3/Flllllllllllllllllllllm:CadvIRm0ABFRb0PHaK4Jyqtd9TT/qVtB

    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