General

  • Target

    f44ad3ad86c4718bbbc5e28bee2aa93ff9e0f736b84bba95f712a1b9a91dd45a

  • Size

    4.2MB

  • Sample

    240418-3am6csah3z

  • MD5

    b7d9919252251f3d8ca34148087177b2

  • SHA1

    8ae66849e4f34af0ba12745646b5c73909476743

  • SHA256

    f44ad3ad86c4718bbbc5e28bee2aa93ff9e0f736b84bba95f712a1b9a91dd45a

  • SHA512

    314d4d6a091fb0e6812efb693a9335796e0571cb71fb731592a337cf992f9b26f3de9a895929da2bf86820bdd67eae1397b0ed2b7701677cd04c4bcff5326050

  • SSDEEP

    98304:rEUiY0TvDECnu2UVhqwvQ1Emz7z765moMQUcsnFy6:0YYDzP4h6Lz7zm1rUcOFy6

Malware Config

Targets

    • Target

      f44ad3ad86c4718bbbc5e28bee2aa93ff9e0f736b84bba95f712a1b9a91dd45a

    • Size

      4.2MB

    • MD5

      b7d9919252251f3d8ca34148087177b2

    • SHA1

      8ae66849e4f34af0ba12745646b5c73909476743

    • SHA256

      f44ad3ad86c4718bbbc5e28bee2aa93ff9e0f736b84bba95f712a1b9a91dd45a

    • SHA512

      314d4d6a091fb0e6812efb693a9335796e0571cb71fb731592a337cf992f9b26f3de9a895929da2bf86820bdd67eae1397b0ed2b7701677cd04c4bcff5326050

    • SSDEEP

      98304:rEUiY0TvDECnu2UVhqwvQ1Emz7z765moMQUcsnFy6:0YYDzP4h6Lz7zm1rUcOFy6

    • 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