Overview

overview

10

Static

static

3

ef1f32e551...dN.exe

windows7-x64

10

ef1f32e551...dN.exe

windows10-2004-x64

10

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General

  • Target

    ef1f32e55134e6df9ca007fe1679144b2a41c5681204ef280e49dfb1eebd8fbdN.exe

  • Size

    482KB

  • Sample

    241207-yjq66azqcw

  • MD5

    9abb659d5b0a9759a11be877a1474a10

  • SHA1

    37af411d772f50523442e46a83a4159a9397ef57

  • SHA256

    ef1f32e55134e6df9ca007fe1679144b2a41c5681204ef280e49dfb1eebd8fbd

  • SHA512

    6cec0eee0b3b15e5e73a18f286f144a1a164f65a7a1d862207559d7bf560677eec08f876cf8ab840b141c0d6b168322e3ce26a0dd72f72b505fdf67a05039e75

  • SSDEEP

    6144:DXqKFLl+wGXAF2PbgKLVGFM6234lKm3mo8Yvi4KsLTFM6234lKm3:bFLMwGXAF5KLVGFB24lwR45FB24l

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

      ef1f32e55134e6df9ca007fe1679144b2a41c5681204ef280e49dfb1eebd8fbdN.exe

    • Size

      482KB

    • MD5

      9abb659d5b0a9759a11be877a1474a10

    • SHA1

      37af411d772f50523442e46a83a4159a9397ef57

    • SHA256

      ef1f32e55134e6df9ca007fe1679144b2a41c5681204ef280e49dfb1eebd8fbd

    • SHA512

      6cec0eee0b3b15e5e73a18f286f144a1a164f65a7a1d862207559d7bf560677eec08f876cf8ab840b141c0d6b168322e3ce26a0dd72f72b505fdf67a05039e75

    • SSDEEP

      6144:DXqKFLl+wGXAF2PbgKLVGFM6234lKm3mo8Yvi4KsLTFM6234lKm3:bFLMwGXAF5KLVGFB24lwR45FB24l

    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