General

  • Target

    7bd17453b714d7326d9e2b57fd2ef9becdb4106b4ce3c6cbcefbd9e2f13dbca1

  • Size

    4.2MB

  • Sample

    240418-2rgjgahb39

  • MD5

    6f3370143dc81b219f3b827f90ec05d2

  • SHA1

    4b302b4024acb7e43de971e4eebabd1543b9736a

  • SHA256

    7bd17453b714d7326d9e2b57fd2ef9becdb4106b4ce3c6cbcefbd9e2f13dbca1

  • SHA512

    8ae00171258737329594ae023bbbdddce2e76212a483e2b9f65186c0ad0d9d2af426e0f554f4ccba7b5c0d609eb5df3a731bffa398a3cfb804d4f9296ee1d18f

  • SSDEEP

    98304:TEUiY0TvDECnu2UVhqwvQ1Emz7z765moMQUcsnFyS:cYYDzP4h6Lz7zm1rUcOFyS

Malware Config

Targets

    • Target

      7bd17453b714d7326d9e2b57fd2ef9becdb4106b4ce3c6cbcefbd9e2f13dbca1

    • Size

      4.2MB

    • MD5

      6f3370143dc81b219f3b827f90ec05d2

    • SHA1

      4b302b4024acb7e43de971e4eebabd1543b9736a

    • SHA256

      7bd17453b714d7326d9e2b57fd2ef9becdb4106b4ce3c6cbcefbd9e2f13dbca1

    • SHA512

      8ae00171258737329594ae023bbbdddce2e76212a483e2b9f65186c0ad0d9d2af426e0f554f4ccba7b5c0d609eb5df3a731bffa398a3cfb804d4f9296ee1d18f

    • SSDEEP

      98304:TEUiY0TvDECnu2UVhqwvQ1Emz7z765moMQUcsnFyS:cYYDzP4h6Lz7zm1rUcOFyS

    • 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.

    • Executes dropped EXE

    • Loads dropped DLL

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • 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

1
T1059

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

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

2
T1012

System Information Discovery

1
T1082

Tasks