Overview

overview

10

Static

static

3

04f886503b...bd.exe

windows7-x64

10

04f886503b...bd.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    04f886503b8cc7efba0568a5aef5b8999f9c17b2da0acd3c83ac7b73ec98fdbd.exe

  • Size

    390KB

  • Sample

    241225-r3s2javrgp

  • MD5

    693d7fdd99533742ed8a74ecbd73b122

  • SHA1

    03a900e1e4e10b25123fc6606d16e90f39929c93

  • SHA256

    04f886503b8cc7efba0568a5aef5b8999f9c17b2da0acd3c83ac7b73ec98fdbd

  • SHA512

    275540a0a4052c8946f3fc55201a3e30ce0d82a0a7b2674954c07b0834562788f7aa9542fd7d357f9c7626388605471dfdcbd6e1cf533522c25c7e56c0a90334

  • SSDEEP

    6144:KEW4GzJ/POcKT66b+X0RjtdgOPAUvgkNRgdgOPAUvgki:KFzN/UngEiM2gEi9

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

      04f886503b8cc7efba0568a5aef5b8999f9c17b2da0acd3c83ac7b73ec98fdbd.exe

    • Size

      390KB

    • MD5

      693d7fdd99533742ed8a74ecbd73b122

    • SHA1

      03a900e1e4e10b25123fc6606d16e90f39929c93

    • SHA256

      04f886503b8cc7efba0568a5aef5b8999f9c17b2da0acd3c83ac7b73ec98fdbd

    • SHA512

      275540a0a4052c8946f3fc55201a3e30ce0d82a0a7b2674954c07b0834562788f7aa9542fd7d357f9c7626388605471dfdcbd6e1cf533522c25c7e56c0a90334

    • SSDEEP

      6144:KEW4GzJ/POcKT66b+X0RjtdgOPAUvgkNRgdgOPAUvgki:KFzN/UngEiM2gEi9

    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