General

  • Target

    b321d504b554e27a905acd491fe1176a3612ae97c2e25ca56c591dad4becd829N

  • Size

    90KB

  • Sample

    241109-ntntnsterg

  • MD5

    f1dc35d87db91c36013ce88fcae5a1e0

  • SHA1

    5b1cf0b15ab6fe7a5f46c24558ec0600d2514689

  • SHA256

    b321d504b554e27a905acd491fe1176a3612ae97c2e25ca56c591dad4becd829

  • SHA512

    2fe7692d1e84704872ecf8e05cd574e59b131ee3d0521faf3d0168dfc02ba556b868b82cd1cff3bf9cd9b2d84c5c2e9f64c591c6a03e52bed4138f60c8b91499

  • SSDEEP

    1536:+LlzcpEzWMfBkXo8hi5Ofv+Btglc1XVRQJ2LvyfXjZ3XqfOOQ/4BrGTI5Yxj:C5cpEzW/9i5OOWcbi2LyftGU/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

      b321d504b554e27a905acd491fe1176a3612ae97c2e25ca56c591dad4becd829N

    • Size

      90KB

    • MD5

      f1dc35d87db91c36013ce88fcae5a1e0

    • SHA1

      5b1cf0b15ab6fe7a5f46c24558ec0600d2514689

    • SHA256

      b321d504b554e27a905acd491fe1176a3612ae97c2e25ca56c591dad4becd829

    • SHA512

      2fe7692d1e84704872ecf8e05cd574e59b131ee3d0521faf3d0168dfc02ba556b868b82cd1cff3bf9cd9b2d84c5c2e9f64c591c6a03e52bed4138f60c8b91499

    • SSDEEP

      1536:+LlzcpEzWMfBkXo8hi5Ofv+Btglc1XVRQJ2LvyfXjZ3XqfOOQ/4BrGTI5Yxj:C5cpEzW/9i5OOWcbi2LyftGU/4kT0Yxj

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

    • Berbew

      Berbew is a backdoor written in C++.

    • Berbew family

    • Executes dropped EXE

    • Loads dropped DLL

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks