General

  • Target

    d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2

  • Size

    4.1MB

  • Sample

    240520-ffhfqscd27

  • MD5

    d59859e804fecf4d697ebcd8c36a95b2

  • SHA1

    4495b6119895675f772d40fa91256be7343903d9

  • SHA256

    d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2

  • SHA512

    f65b814fa79843ffdd2cbf9ad85302c89a7a60541e78f1dcfbc6f2ef726600cd9dda933cdd7c03d97c5606fb723e1ef3954740c69b52ad40248baa07977a875e

  • SSDEEP

    98304:vquwTfmIkbquibhaubey8xw4weLmAcL8k4+6XNB3Rebmbqb0q:ALmIkbquibpii2yAk4+2fEKmbl

Malware Config

Targets

    • Target

      d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2

    • Size

      4.1MB

    • MD5

      d59859e804fecf4d697ebcd8c36a95b2

    • SHA1

      4495b6119895675f772d40fa91256be7343903d9

    • SHA256

      d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2

    • SHA512

      f65b814fa79843ffdd2cbf9ad85302c89a7a60541e78f1dcfbc6f2ef726600cd9dda933cdd7c03d97c5606fb723e1ef3954740c69b52ad40248baa07977a875e

    • SSDEEP

      98304:vquwTfmIkbquibhaubey8xw4weLmAcL8k4+6XNB3Rebmbqb0q:ALmIkbquibpii2yAk4+2fEKmbl

    • 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

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

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