General

  • Target

    Invoice646737327328282892992.jar

  • Size

    453KB

  • Sample

    240603-hj7adafb9t

  • MD5

    e11d4be9ebd996da2df7f4e07a06876d

  • SHA1

    1e809d3f00f40cf03cf9a5335399acafa2037fc5

  • SHA256

    87bfc0255d14849743cefe83b8324fc1eb59259be6826cd0d57497e1d7bee178

  • SHA512

    e9db4c6c5b27bbf43b74234c8ff4996454c23c82497e8fd97e0b087413cb8589426a5749666268c8d23e06193918d9ad98be13cea9a1e2ed48fc0dfb79bd0e77

  • SSDEEP

    12288:hOk7azW39Yv5VmKQVsbyIUZtbb9QWugj3bmJh:nyU9omeWIUZhbtuyLkh

Malware Config

Targets

    • Target

      Invoice646737327328282892992.jar

    • Size

      453KB

    • MD5

      e11d4be9ebd996da2df7f4e07a06876d

    • SHA1

      1e809d3f00f40cf03cf9a5335399acafa2037fc5

    • SHA256

      87bfc0255d14849743cefe83b8324fc1eb59259be6826cd0d57497e1d7bee178

    • SHA512

      e9db4c6c5b27bbf43b74234c8ff4996454c23c82497e8fd97e0b087413cb8589426a5749666268c8d23e06193918d9ad98be13cea9a1e2ed48fc0dfb79bd0e77

    • SSDEEP

      12288:hOk7azW39Yv5VmKQVsbyIUZtbb9QWugj3bmJh:nyU9omeWIUZhbtuyLkh

    • STRRAT

      STRRAT is a remote access tool than can steal credentials and log keystrokes.

    • Drops startup file

    • Loads dropped DLL

    • Modifies file permissions

    • Adds Run key to start application

    • Looks up external IP address via web service

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

MITRE ATT&CK Matrix ATT&CK v13

Execution

Scheduled Task/Job

1
T1053

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Defense Evasion

File and Directory Permissions Modification

1
T1222

Modify Registry

1
T1112

Discovery

Query Registry

1
T1012

Tasks