General

  • Target

    22c77e5da0a7240bc01df31549f16d2dc3e24a9aeaeb2ecf1cc0c861c6e87918

  • Size

    4.2MB

  • Sample

    240420-tt2y7ach8s

  • MD5

    f07c4baff0a4810fe487d605125b73b0

  • SHA1

    0c2d5c17d23ff5ffcb07da7a7b64d1c1b0a3886f

  • SHA256

    22c77e5da0a7240bc01df31549f16d2dc3e24a9aeaeb2ecf1cc0c861c6e87918

  • SHA512

    ef53de545f1f61bc8ae93de6a4858088d0bd9b6130013da70c78ecce320b8a404d63356061164b1e550d0d382f119e388c906cc71cfedafa244915c7c9525c2e

  • SSDEEP

    49152:Qr1oHj0tlV0f9s8MWzX04BUpcYbKwdRAyQZQ93cNVdRbmMzimZc5ZnjMAqqwRi8X:QBcwtA9b44emOBqNRUORBLE4Ajzw

Malware Config

Targets

    • Target

      22c77e5da0a7240bc01df31549f16d2dc3e24a9aeaeb2ecf1cc0c861c6e87918

    • Size

      4.2MB

    • MD5

      f07c4baff0a4810fe487d605125b73b0

    • SHA1

      0c2d5c17d23ff5ffcb07da7a7b64d1c1b0a3886f

    • SHA256

      22c77e5da0a7240bc01df31549f16d2dc3e24a9aeaeb2ecf1cc0c861c6e87918

    • SHA512

      ef53de545f1f61bc8ae93de6a4858088d0bd9b6130013da70c78ecce320b8a404d63356061164b1e550d0d382f119e388c906cc71cfedafa244915c7c9525c2e

    • SSDEEP

      49152:Qr1oHj0tlV0f9s8MWzX04BUpcYbKwdRAyQZQ93cNVdRbmMzimZc5ZnjMAqqwRi8X:QBcwtA9b44emOBqNRUORBLE4Ajzw

    • 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