General

  • Target

    b4f9648def0c4e1e76057036e3362a38106b8a57359ee6a9afc7e9b2cd6dc8fe

  • Size

    96KB

  • Sample

    241110-ccskraxcje

  • MD5

    83de0517acf4613ebb2e9e312a511256

  • SHA1

    7e319c69dc695baca29879a9ace6317f9abf6274

  • SHA256

    b4f9648def0c4e1e76057036e3362a38106b8a57359ee6a9afc7e9b2cd6dc8fe

  • SHA512

    5bc1adb646435d2235123fbde497fe24b73a5938c06c9532c27d8dde69fd0838c4053e26daac80457c95fab525cdf2d259cec6ba9c2a8ae855463cd7960adc17

  • SSDEEP

    1536:PdDtYR3EXSyl35zo+zztp5jM6mmPHN4huwgnui0vSHG7mftt3duV9jojTIvjr:Ps59yrh/hdNE/grx6mldd69jc0v

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

      b4f9648def0c4e1e76057036e3362a38106b8a57359ee6a9afc7e9b2cd6dc8fe

    • Size

      96KB

    • MD5

      83de0517acf4613ebb2e9e312a511256

    • SHA1

      7e319c69dc695baca29879a9ace6317f9abf6274

    • SHA256

      b4f9648def0c4e1e76057036e3362a38106b8a57359ee6a9afc7e9b2cd6dc8fe

    • SHA512

      5bc1adb646435d2235123fbde497fe24b73a5938c06c9532c27d8dde69fd0838c4053e26daac80457c95fab525cdf2d259cec6ba9c2a8ae855463cd7960adc17

    • SSDEEP

      1536:PdDtYR3EXSyl35zo+zztp5jM6mmPHN4huwgnui0vSHG7mftt3duV9jojTIvjr:Ps59yrh/hdNE/grx6mldd69jc0v

    • 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