Overview

overview

10

Static

static

3

4a736403de...52.exe

windows7-x64

10

4a736403de...52.exe

windows10-2004-x64

10

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General

  • Target

    4a736403de827188804ef9889385de3745e4fe110113697004ee0d12e7328c52

  • Size

    93KB

  • Sample

    241208-2bfx1aznbn

  • MD5

    a1b40f244db1c5f9748ebc4332a756b0

  • SHA1

    546ffeae9eb537dfa1b6888b45d00767a464f711

  • SHA256

    4a736403de827188804ef9889385de3745e4fe110113697004ee0d12e7328c52

  • SHA512

    89022785af79fff41e4fdc94358dbf3be6b68be82e82bd14613f588d29710997e0f4a70ae7e1d576f1d1ac6a596f46d8392a069baf6f257ff0a9ed895d22a459

  • SSDEEP

    1536:R0X5c6sXF6evFCT6+tK73Ka9hAV+bd+98cTlsBxG/lyeCVTyjiwg58w:6X5cvF9F73k+bdEPT2B8/lydViY58w

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

      4a736403de827188804ef9889385de3745e4fe110113697004ee0d12e7328c52

    • Size

      93KB

    • MD5

      a1b40f244db1c5f9748ebc4332a756b0

    • SHA1

      546ffeae9eb537dfa1b6888b45d00767a464f711

    • SHA256

      4a736403de827188804ef9889385de3745e4fe110113697004ee0d12e7328c52

    • SHA512

      89022785af79fff41e4fdc94358dbf3be6b68be82e82bd14613f588d29710997e0f4a70ae7e1d576f1d1ac6a596f46d8392a069baf6f257ff0a9ed895d22a459

    • SSDEEP

      1536:R0X5c6sXF6evFCT6+tK73Ka9hAV+bd+98cTlsBxG/lyeCVTyjiwg58w:6X5cvF9F73k+bdEPT2B8/lydViY58w

    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