General

  • Target

    01213cb0319d28e9ec0d449a95cfad5e83a7eec1cbd93f161e21d110070e9175

  • Size

    4.2MB

  • Sample

    240420-ka8sysce23

  • MD5

    b58ae55dbe3dab5cf5a2c81fb7685677

  • SHA1

    b3007599e53d18fad0f53c0d2193f4314dca5caa

  • SHA256

    01213cb0319d28e9ec0d449a95cfad5e83a7eec1cbd93f161e21d110070e9175

  • SHA512

    7288ed05a281df4ae59b2885dbf4103defc0f058dc59f1af13ead4a335383676aaa72d1b8a5a0f7ee4564db07b4d1b47f3a959e8dedb04896d695e20b1b9b68a

  • SSDEEP

    98304:CS8Tc81AzKVcNOUNHF6RiNP154spKvDdhObEo7QvVY0ryRAf1Tp7ORw:zEcJzF4UNHqA/dsmoVS4YAf19f

Malware Config

Targets

    • Target

      01213cb0319d28e9ec0d449a95cfad5e83a7eec1cbd93f161e21d110070e9175

    • Size

      4.2MB

    • MD5

      b58ae55dbe3dab5cf5a2c81fb7685677

    • SHA1

      b3007599e53d18fad0f53c0d2193f4314dca5caa

    • SHA256

      01213cb0319d28e9ec0d449a95cfad5e83a7eec1cbd93f161e21d110070e9175

    • SHA512

      7288ed05a281df4ae59b2885dbf4103defc0f058dc59f1af13ead4a335383676aaa72d1b8a5a0f7ee4564db07b4d1b47f3a959e8dedb04896d695e20b1b9b68a

    • SSDEEP

      98304:CS8Tc81AzKVcNOUNHF6RiNP154spKvDdhObEo7QvVY0ryRAf1Tp7ORw:zEcJzF4UNHqA/dsmoVS4YAf19f

    • Glupteba

      Glupteba is a modular loader written in Golang with various components.

    • Glupteba payload

    • Modifies Windows Firewall

    • Executes dropped EXE

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Manipulates WinMonFS driver.

      Roottkits write to WinMonFS to hide directories/files from being detected.

    • Drops file in System32 directory

MITRE ATT&CK Matrix ATT&CK v13

Execution

Scheduled Task/Job

1
T1053

Persistence

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Privilege Escalation

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Defense Evasion

Impair Defenses

1
T1562

Disable or Modify System Firewall

1
T1562.004

Modify Registry

1
T1112

Discovery

Query Registry

2
T1012

System Information Discovery

1
T1082

Tasks