General

  • Target

    4bcdc3eb023a322f071aaf175f27dfa4f4e9e9a8808636c0239d3d6aca41be67N

  • Size

    90KB

  • Sample

    240921-ya5yysyhnd

  • MD5

    293b5556a2304463aa0e708564bb9ac0

  • SHA1

    3b6b7930e81fe88c7ac31fd803ee32ba978c41fe

  • SHA256

    4bcdc3eb023a322f071aaf175f27dfa4f4e9e9a8808636c0239d3d6aca41be67

  • SHA512

    0a65ea91dc13a31973cf5bafb3c0b03a6d233a3ec7e055ebdcfab90224abd7a4ade1b39818487089eea8dc55488913e98e938a4f2e3b3bd1f53be5446cf8babe

  • SSDEEP

    1536:9RGQoQcZgjaGvqbs0Dzv1GGCPg6kLvX6fOOQ/4BrGTI5Yxj:9Rl16soIkLvWU/4kT0Yxj

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

      4bcdc3eb023a322f071aaf175f27dfa4f4e9e9a8808636c0239d3d6aca41be67N

    • Size

      90KB

    • MD5

      293b5556a2304463aa0e708564bb9ac0

    • SHA1

      3b6b7930e81fe88c7ac31fd803ee32ba978c41fe

    • SHA256

      4bcdc3eb023a322f071aaf175f27dfa4f4e9e9a8808636c0239d3d6aca41be67

    • SHA512

      0a65ea91dc13a31973cf5bafb3c0b03a6d233a3ec7e055ebdcfab90224abd7a4ade1b39818487089eea8dc55488913e98e938a4f2e3b3bd1f53be5446cf8babe

    • SSDEEP

      1536:9RGQoQcZgjaGvqbs0Dzv1GGCPg6kLvX6fOOQ/4BrGTI5Yxj:9Rl16soIkLvWU/4kT0Yxj

    • Adds autorun key to be loaded by Explorer.exe on startup

    • Berbew

      Berbew is a backdoor written in C++.

    • Executes dropped EXE

    • Loads dropped DLL

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks