General

  • Target

    05e429f9f9f76709b2b6efe6509e2a82e36e635f5dcfdb8ae9b49e2301751eb9

  • Size

    1.3MB

  • Sample

    220305-2ad21sbbdl

  • MD5

    815f827cbedec5631f73178fd1ac9aa8

  • SHA1

    faea120b3544f66dd88e237b2422897d50612ba3

  • SHA256

    05e429f9f9f76709b2b6efe6509e2a82e36e635f5dcfdb8ae9b49e2301751eb9

  • SHA512

    9ffaf31f9a9cad70af30ffe9fbddff6598632da78cab14e4c83ae6e2a69ef7be219a7fc56fc34980ae4f8682cac021b9c48d197927895e584eb124731db0103e

Malware Config

Targets

    • Target

      05e429f9f9f76709b2b6efe6509e2a82e36e635f5dcfdb8ae9b49e2301751eb9

    • Size

      1.3MB

    • MD5

      815f827cbedec5631f73178fd1ac9aa8

    • SHA1

      faea120b3544f66dd88e237b2422897d50612ba3

    • SHA256

      05e429f9f9f76709b2b6efe6509e2a82e36e635f5dcfdb8ae9b49e2301751eb9

    • SHA512

      9ffaf31f9a9cad70af30ffe9fbddff6598632da78cab14e4c83ae6e2a69ef7be219a7fc56fc34980ae4f8682cac021b9c48d197927895e584eb124731db0103e

    • Ouroboros/Zeropadypt

      Ransomware family based on open-source CryptoWire.

    • Modifies Windows Firewall

    • Modifies extensions of user files

      Ransomware generally changes the extension on encrypted files.

    • Drops startup file

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Drops desktop.ini file(s)

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Drops autorun.inf file

      Malware can abuse Windows Autorun to spread further via attached volumes.

    • Drops file in System32 directory

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Replication Through Removable Media

1
T1091

Persistence

Modify Existing Service

1
T1031

Credential Access

Credentials in Files

1
T1081

Lateral Movement

Replication Through Removable Media

1
T1091

Collection

Data from Local System

1
T1005

Command and Control

Web Service

1
T1102

Tasks