Overview

overview

10

Static

static

3

07b834b10b...6e.exe

windows7-x64

10

07b834b10b...6e.exe

windows10-2004-x64

10

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General

  • Target

    07b834b10b79292d1f6e5fcff70bd2cfb6653ec58ee47da7c25298f68f1d626e.exe

  • Size

    71KB

  • Sample

    241222-mxr5tsvpax

  • MD5

    b4b5295a52bd73ede5c66aee83f3aa22

  • SHA1

    37a832f0ce497ea3f7cca73d54d694d7b7f677f4

  • SHA256

    07b834b10b79292d1f6e5fcff70bd2cfb6653ec58ee47da7c25298f68f1d626e

  • SHA512

    9d6cacea3f0ddd609f2ca06da284112f2060a6fc57ea059c82dce4fada84fd8a925c945169d93180a0d8bbf1c5b3fd613acc79256cd31b17270b8497b3d8bdaa

  • SSDEEP

    1536:TMkEnFXfJ1Cp2zf9KA+8UBcxtYhl/kG1kK8dN/QpxRQX7DbEyRCRRRoR4RkC:HEXfJEYzfQA+LsuhnkTdN/oxe7Ey032E

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

      07b834b10b79292d1f6e5fcff70bd2cfb6653ec58ee47da7c25298f68f1d626e.exe

    • Size

      71KB

    • MD5

      b4b5295a52bd73ede5c66aee83f3aa22

    • SHA1

      37a832f0ce497ea3f7cca73d54d694d7b7f677f4

    • SHA256

      07b834b10b79292d1f6e5fcff70bd2cfb6653ec58ee47da7c25298f68f1d626e

    • SHA512

      9d6cacea3f0ddd609f2ca06da284112f2060a6fc57ea059c82dce4fada84fd8a925c945169d93180a0d8bbf1c5b3fd613acc79256cd31b17270b8497b3d8bdaa

    • SSDEEP

      1536:TMkEnFXfJ1Cp2zf9KA+8UBcxtYhl/kG1kK8dN/QpxRQX7DbEyRCRRRoR4RkC:HEXfJEYzfQA+LsuhnkTdN/oxe7Ey032E

    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