General

  • Target

    231210-07-Glupteba-64fe7e.exe

  • Size

    8.9MB

  • Sample

    240724-pc7e5aybrc

  • MD5

    5bfd9f368a71aae200d7f8dc950c562c

  • SHA1

    1d122608ef3bf20cd04df6d52ebb6d79b9bad693

  • SHA256

    22e20fbd8e95ac7b3a77b815e1a438e545354adb5a1bd5a90220a9c17b4008db

  • SHA512

    5a589983adc1a6cf7ed9a7abb3e2dcffc42e9f2ca76b762d75f85ccc418d0b2de9d4e15c5393deb0fc1b95573c246f4556aec3c98bd831d21394efb1f09a8ae8

  • SSDEEP

    98304:gHxMZDJ1TRpxYVX9u2IazANfLhZytTD5iqa:GxEvYjVzANDhwN

Malware Config

Targets

    • Target

      231210-07-Glupteba-64fe7e.exe

    • Size

      8.9MB

    • MD5

      5bfd9f368a71aae200d7f8dc950c562c

    • SHA1

      1d122608ef3bf20cd04df6d52ebb6d79b9bad693

    • SHA256

      22e20fbd8e95ac7b3a77b815e1a438e545354adb5a1bd5a90220a9c17b4008db

    • SHA512

      5a589983adc1a6cf7ed9a7abb3e2dcffc42e9f2ca76b762d75f85ccc418d0b2de9d4e15c5393deb0fc1b95573c246f4556aec3c98bd831d21394efb1f09a8ae8

    • SSDEEP

      98304:gHxMZDJ1TRpxYVX9u2IazANfLhZytTD5iqa:GxEvYjVzANDhwN

    • Glupteba

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

    • Glupteba payload

    • Windows security bypass

    • Modifies boot configuration data using bcdedit

    • Drops file in Drivers directory

    • Modifies Windows Firewall

    • Possible attempt to disable PatchGuard

      Rootkits can use kernel patching to embed themselves in an operating system.

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Windows security modification

    • 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 WinMon driver.

      Roottkits write to WinMon to hide PIDs from being detected.

    • 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

2
T1059

PowerShell

1
T1059.001

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

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

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

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

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Impair Defenses

4
T1562

Disable or Modify Tools

2
T1562.001

Disable or Modify System Firewall

1
T1562.004

Modify Registry

4
T1112

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Tasks