General

  • Target

    986bb8d5856f0a41caa925d9f504b1928cdfea72b5d8bfaa2e8d04308e1a383d

  • Size

    4.2MB

  • Sample

    240418-2wqypshc59

  • MD5

    4a67a23a66cb794502eb4348163abf9f

  • SHA1

    ff60f4ae541c521ec7fdf5ff6ab19eda2aba3823

  • SHA256

    986bb8d5856f0a41caa925d9f504b1928cdfea72b5d8bfaa2e8d04308e1a383d

  • SHA512

    3bb03883a042bb64ec8fd13573a82fd19a7554ce03d35d1adb2cb061aeaa7d476d7bbc0e150faae4167f6fbd875cef078b82be5d40eee5d8ccae7355aef38305

  • SSDEEP

    98304:ym/TCVM3Zc+Y/J/KteDK2Djf06UdTiDw6FxjjpxuSjy6YvewwrB:trmM3enx/KteDfffi2Dws3xzG/wrB

Malware Config

Targets

    • Target

      986bb8d5856f0a41caa925d9f504b1928cdfea72b5d8bfaa2e8d04308e1a383d

    • Size

      4.2MB

    • MD5

      4a67a23a66cb794502eb4348163abf9f

    • SHA1

      ff60f4ae541c521ec7fdf5ff6ab19eda2aba3823

    • SHA256

      986bb8d5856f0a41caa925d9f504b1928cdfea72b5d8bfaa2e8d04308e1a383d

    • SHA512

      3bb03883a042bb64ec8fd13573a82fd19a7554ce03d35d1adb2cb061aeaa7d476d7bbc0e150faae4167f6fbd875cef078b82be5d40eee5d8ccae7355aef38305

    • SSDEEP

      98304:ym/TCVM3Zc+Y/J/KteDK2Djf06UdTiDw6FxjjpxuSjy6YvewwrB:trmM3enx/KteDfffi2Dws3xzG/wrB

    • 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