Overview

overview

10

Static

static

3

2a23760fca...40.exe

windows7-x64

10

2a23760fca...40.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2a23760fca922c065a7435a06b1945e1ecf687485f312c15271fde431ea90c40

  • Size

    384KB

  • Sample

    241224-zgewsawrft

  • MD5

    a89bcbca22185ffde35a7a6fe24258cd

  • SHA1

    2905a311537c6d026681e76cd4acac93057af376

  • SHA256

    2a23760fca922c065a7435a06b1945e1ecf687485f312c15271fde431ea90c40

  • SHA512

    b4bb0d12652ea3b823d03cca20c0bfbfe0e81a027d711ad64866ce813f5b011c7ec01787c6a3403a42c8ad876488e90357af6928f62dc0e548503ece3848113e

  • SSDEEP

    6144:4yzeALYiyf+8SeNpgdyuH1lZfRo0V8JcgE+ezpg12:4ADLJ87g7/VycgE82

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

      2a23760fca922c065a7435a06b1945e1ecf687485f312c15271fde431ea90c40

    • Size

      384KB

    • MD5

      a89bcbca22185ffde35a7a6fe24258cd

    • SHA1

      2905a311537c6d026681e76cd4acac93057af376

    • SHA256

      2a23760fca922c065a7435a06b1945e1ecf687485f312c15271fde431ea90c40

    • SHA512

      b4bb0d12652ea3b823d03cca20c0bfbfe0e81a027d711ad64866ce813f5b011c7ec01787c6a3403a42c8ad876488e90357af6928f62dc0e548503ece3848113e

    • SSDEEP

      6144:4yzeALYiyf+8SeNpgdyuH1lZfRo0V8JcgE+ezpg12:4ADLJ87g7/VycgE82

    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