Overview

overview

10

Static

static

3

4faaa510f3...3f.exe

windows7-x64

10

4faaa510f3...3f.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    4faaa510f3d7e976d648a95d9ea559627885f031f111d593e10739279f61ce3f

  • Size

    1.3MB

  • Sample

    241222-18krsa1mar

  • MD5

    b921d2e7b83d00dfdab1f20d3b298a73

  • SHA1

    acab5fc416d077ad31da06f15a361f9491800f37

  • SHA256

    4faaa510f3d7e976d648a95d9ea559627885f031f111d593e10739279f61ce3f

  • SHA512

    caaed6ff00be8c929081343db0e2ca2aeff2c364aebcdebd140cf83f0073f77884b2314a54375f40d7add40454949c407b0a9c8d8bdb571f2385851ae502dba2

  • SSDEEP

    12288:LWH3cOK3N7377a20R01F50+OJ3BHCXwpnsKvNA+XTvZHWuEo3oW:LgyN7a20R0v50+YNpsKv2EvZHp3oW

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

      4faaa510f3d7e976d648a95d9ea559627885f031f111d593e10739279f61ce3f

    • Size

      1.3MB

    • MD5

      b921d2e7b83d00dfdab1f20d3b298a73

    • SHA1

      acab5fc416d077ad31da06f15a361f9491800f37

    • SHA256

      4faaa510f3d7e976d648a95d9ea559627885f031f111d593e10739279f61ce3f

    • SHA512

      caaed6ff00be8c929081343db0e2ca2aeff2c364aebcdebd140cf83f0073f77884b2314a54375f40d7add40454949c407b0a9c8d8bdb571f2385851ae502dba2

    • SSDEEP

      12288:LWH3cOK3N7377a20R01F50+OJ3BHCXwpnsKvNA+XTvZHWuEo3oW:LgyN7a20R0v50+YNpsKv2EvZHp3oW

    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