Overview

overview

10

Static

static

3

4bbc8567fd...8N.exe

windows7-x64

10

4bbc8567fd...8N.exe

windows10-2004-x64

10

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General

  • Target

    4bbc8567fd94216b4211e58f145719543dc68c5fe53294c2d88567951dfd3a38N.exe

  • Size

    482KB

  • Sample

    241225-x2bzhstnay

  • MD5

    c02206f7b59b3b3955947c7120c7da40

  • SHA1

    43dfb96d77a0ca644e1a5e2d2b02be146f3d8de4

  • SHA256

    4bbc8567fd94216b4211e58f145719543dc68c5fe53294c2d88567951dfd3a38

  • SHA512

    db4cf08392bf78eb11bd13bb0dc7adc38cc94ef1120b1419511b19e3206b5839d1eea9a0361931f43b126204e0896a565c2742dd3b598c6e994c3d0190d6830e

  • SSDEEP

    6144:dbdgY4xzB1Ll+wGXAF2PbgKLVGFM6234lKm3mo8Yvi4KsLTFM6234lKm3y:fKznLMwGXAF5KLVGFB24lwR45FB24lg

Score
10/10
berbewbackdoordiscoverypersistence

Malware Config

Extracted

Family

berbew

C2

http://viruslist.com/wcmd.txt

http://viruslist.com/ppslog.php

http://viruslist.com/piplog.php?%s:%i:%i:%s:%09u:%i:%02d:%02d:%02d

Targets

    • Target

      4bbc8567fd94216b4211e58f145719543dc68c5fe53294c2d88567951dfd3a38N.exe

    • Size

      482KB

    • MD5

      c02206f7b59b3b3955947c7120c7da40

    • SHA1

      43dfb96d77a0ca644e1a5e2d2b02be146f3d8de4

    • SHA256

      4bbc8567fd94216b4211e58f145719543dc68c5fe53294c2d88567951dfd3a38

    • SHA512

      db4cf08392bf78eb11bd13bb0dc7adc38cc94ef1120b1419511b19e3206b5839d1eea9a0361931f43b126204e0896a565c2742dd3b598c6e994c3d0190d6830e

    • SSDEEP

      6144:dbdgY4xzB1Ll+wGXAF2PbgKLVGFM6234lKm3mo8Yvi4KsLTFM6234lKm3y:fKznLMwGXAF5KLVGFB24lwR45FB24lg

    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