Overview

overview

10

Static

static

3

3531f09462...cN.exe

windows7-x64

10

3531f09462...cN.exe

windows10-2004-x64

10

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General

  • Target

    3531f094623c1f8954d21ca756fa13c4e2c0a34fce6b8460f5026f44b8f6a11cN.exe

  • Size

    159KB

  • Sample

    241222-mynh2awjep

  • MD5

    74744f5bcaadff1773190f56b2e16800

  • SHA1

    6d2a671231bdea6a1853c69f9d3dae5eac99dd4f

  • SHA256

    3531f094623c1f8954d21ca756fa13c4e2c0a34fce6b8460f5026f44b8f6a11c

  • SHA512

    535c2eb40ebfaa1fb3ce0df3a1a55b1e757a8e27f61ea8d6fa98a5bfb4e487d78eb833489caaadaf958094867e85c73bde51f9c749fd7e7d152f007921821058

  • SSDEEP

    3072:TRXc9l8hj9z+vSKr0URUtbwf1nFzwSAJB8FgBY5nd/M9dA:xOlWJCaT21n6xJmPM9dA

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

      3531f094623c1f8954d21ca756fa13c4e2c0a34fce6b8460f5026f44b8f6a11cN.exe

    • Size

      159KB

    • MD5

      74744f5bcaadff1773190f56b2e16800

    • SHA1

      6d2a671231bdea6a1853c69f9d3dae5eac99dd4f

    • SHA256

      3531f094623c1f8954d21ca756fa13c4e2c0a34fce6b8460f5026f44b8f6a11c

    • SHA512

      535c2eb40ebfaa1fb3ce0df3a1a55b1e757a8e27f61ea8d6fa98a5bfb4e487d78eb833489caaadaf958094867e85c73bde51f9c749fd7e7d152f007921821058

    • SSDEEP

      3072:TRXc9l8hj9z+vSKr0URUtbwf1nFzwSAJB8FgBY5nd/M9dA:xOlWJCaT21n6xJmPM9dA

    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