General

  • Target

    a3b7b83632ee2e66e5f204e200bb65cf663cca316591b3709f41ec7b5cb8c85a

  • Size

    4.2MB

  • Sample

    240418-2y95cshd37

  • MD5

    833cf4b485610329398b1a0065601b9a

  • SHA1

    c8a5a74c18517a0f9f6132f4e5f277c6a7303a92

  • SHA256

    a3b7b83632ee2e66e5f204e200bb65cf663cca316591b3709f41ec7b5cb8c85a

  • SHA512

    df304d862cbb43eb222d81a23f1d4a179d5cc4e2ef73758ee130019280de97b1b1da5bf2d14d71c8b4128cf6206555f043c15670632b472efe8dd3b5d6156531

  • SSDEEP

    98304:MDn8uVXpbXzRUXTOQ6Hh/FjDMnFLwJ6UPb6XVjM+xYLPI8j0:MD8uVVDRUFg7EnFLmjPc5CLPn0

Malware Config

Targets

    • Target

      a3b7b83632ee2e66e5f204e200bb65cf663cca316591b3709f41ec7b5cb8c85a

    • Size

      4.2MB

    • MD5

      833cf4b485610329398b1a0065601b9a

    • SHA1

      c8a5a74c18517a0f9f6132f4e5f277c6a7303a92

    • SHA256

      a3b7b83632ee2e66e5f204e200bb65cf663cca316591b3709f41ec7b5cb8c85a

    • SHA512

      df304d862cbb43eb222d81a23f1d4a179d5cc4e2ef73758ee130019280de97b1b1da5bf2d14d71c8b4128cf6206555f043c15670632b472efe8dd3b5d6156531

    • SSDEEP

      98304:MDn8uVXpbXzRUXTOQ6Hh/FjDMnFLwJ6UPb6XVjM+xYLPI8j0:MD8uVVDRUFg7EnFLmjPc5CLPn0

    • Glupteba

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

    • Glupteba payload

    • Windows security bypass

    • XMRig Miner payload

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

    • 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