Overview

overview

10

Static

static

3

82cf8aeffb...ff.exe

windows7-x64

10

82cf8aeffb...ff.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    82cf8aeffb8d318a4bc550a44969dd7525b24c30b4b3f43c51c73df4240935ff.exe

  • Size

    93KB

  • Sample

    241120-f892fs1hlg

  • MD5

    e92f8591085aa3a84869ace4ba48a066

  • SHA1

    de45140f187297120e5e5d18c440ea37ee513091

  • SHA256

    82cf8aeffb8d318a4bc550a44969dd7525b24c30b4b3f43c51c73df4240935ff

  • SHA512

    c66dbd3a530f5b3a9437eb792b2438897a8599c55234a83435cd1aff7a266998a727be757d1421e1031e62d07c685acc3cc7f27347e1816641b13ee329389ec8

  • SSDEEP

    1536:v4u16s69J4RzOxaa9Bj9m0ggCUQDb9mwuqlAoG/LYTnjiwg58u:vRx69yRzOxaa9b5NSXgwuQA9LYXY58u

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

      82cf8aeffb8d318a4bc550a44969dd7525b24c30b4b3f43c51c73df4240935ff.exe

    • Size

      93KB

    • MD5

      e92f8591085aa3a84869ace4ba48a066

    • SHA1

      de45140f187297120e5e5d18c440ea37ee513091

    • SHA256

      82cf8aeffb8d318a4bc550a44969dd7525b24c30b4b3f43c51c73df4240935ff

    • SHA512

      c66dbd3a530f5b3a9437eb792b2438897a8599c55234a83435cd1aff7a266998a727be757d1421e1031e62d07c685acc3cc7f27347e1816641b13ee329389ec8

    • SSDEEP

      1536:v4u16s69J4RzOxaa9Bj9m0ggCUQDb9mwuqlAoG/LYTnjiwg58u:vRx69yRzOxaa9b5NSXgwuQA9LYXY58u

    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