General

  • Target

    1bbba8693175c3d669631fb222c40c69729ff3f77d98782e4dbfe5d4e8c3dc9b

  • Size

    4.1MB

  • Sample

    240520-fggktsda91

  • MD5

    d81fc6bd6feb7bce50df447445b23d7c

  • SHA1

    abe104368b516c72d49eb00114b1f7219baaba68

  • SHA256

    1bbba8693175c3d669631fb222c40c69729ff3f77d98782e4dbfe5d4e8c3dc9b

  • SHA512

    af89d0be4a704317150101519d9deda5efb66596f801dfb3722eecd36a08cb66732bd92104181ae44b9a562af87d0177b674903aa49ea7aaa9647e87dca63dab

  • SSDEEP

    98304:HquwTfmIkbquibhaubey8xw4weLmAcL8k4+6XNB3Rebmbqb0y:YLmIkbquibpii2yAk4+2fEKmbN

Malware Config

Targets

    • Target

      1bbba8693175c3d669631fb222c40c69729ff3f77d98782e4dbfe5d4e8c3dc9b

    • Size

      4.1MB

    • MD5

      d81fc6bd6feb7bce50df447445b23d7c

    • SHA1

      abe104368b516c72d49eb00114b1f7219baaba68

    • SHA256

      1bbba8693175c3d669631fb222c40c69729ff3f77d98782e4dbfe5d4e8c3dc9b

    • SHA512

      af89d0be4a704317150101519d9deda5efb66596f801dfb3722eecd36a08cb66732bd92104181ae44b9a562af87d0177b674903aa49ea7aaa9647e87dca63dab

    • SSDEEP

      98304:HquwTfmIkbquibhaubey8xw4weLmAcL8k4+6XNB3Rebmbqb0y:YLmIkbquibpii2yAk4+2fEKmbN

    • 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