General

  • Target

    f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c

  • Size

    4.1MB

  • Sample

    240520-fd4k7ach8w

  • MD5

    ff8b66a413ace55ad3d9f97f144b8ada

  • SHA1

    046fde25db40e93d5ccd1111fc0bccb949a917aa

  • SHA256

    f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c

  • SHA512

    470353088f9a21a8774908ffe3e6537a6ab889567edf5603711ca24838235169d442232abe46c6ac94162b8845b72fe50b9a0bec523bd684965512da799adc92

  • SSDEEP

    98304:HquwTfmIkbquibhaubey8xw4weLmAcL8k4+6XNB3Rebmbqb0V:YLmIkbquibpii2yAk4+2fEKmbS

Malware Config

Targets

    • Target

      f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c

    • Size

      4.1MB

    • MD5

      ff8b66a413ace55ad3d9f97f144b8ada

    • SHA1

      046fde25db40e93d5ccd1111fc0bccb949a917aa

    • SHA256

      f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c

    • SHA512

      470353088f9a21a8774908ffe3e6537a6ab889567edf5603711ca24838235169d442232abe46c6ac94162b8845b72fe50b9a0bec523bd684965512da799adc92

    • SSDEEP

      98304:HquwTfmIkbquibhaubey8xw4weLmAcL8k4+6XNB3Rebmbqb0V:YLmIkbquibpii2yAk4+2fEKmbS

    • 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