General

  • Target

    31d6a872650791320206c6612789e9c55df0869810c3fc6d707ec39c1a361cc7

  • Size

    4.2MB

  • Sample

    240418-2e69cshf8x

  • MD5

    3c04c7720836c2c69eddef5125e8fc9d

  • SHA1

    831acf015a62fe92d480235b75f2ea0acf471185

  • SHA256

    31d6a872650791320206c6612789e9c55df0869810c3fc6d707ec39c1a361cc7

  • SHA512

    7488983739acd9f38a6a3c2717b0203ebfac33e355e6ee0b864313cbd7af2e909864534bda9a26e5ecccdffcb7f2c45e03030ca7947646a0f74fe56484d7c99b

  • SSDEEP

    98304:F1k/WfSnvYITkOuylzYhV/sfZ0qQCPoWg3E/CPQ11g:FsW6Y8HuyqUfZtQCg3Dqg

Malware Config

Targets

    • Target

      31d6a872650791320206c6612789e9c55df0869810c3fc6d707ec39c1a361cc7

    • Size

      4.2MB

    • MD5

      3c04c7720836c2c69eddef5125e8fc9d

    • SHA1

      831acf015a62fe92d480235b75f2ea0acf471185

    • SHA256

      31d6a872650791320206c6612789e9c55df0869810c3fc6d707ec39c1a361cc7

    • SHA512

      7488983739acd9f38a6a3c2717b0203ebfac33e355e6ee0b864313cbd7af2e909864534bda9a26e5ecccdffcb7f2c45e03030ca7947646a0f74fe56484d7c99b

    • SSDEEP

      98304:F1k/WfSnvYITkOuylzYhV/sfZ0qQCPoWg3E/CPQ11g:FsW6Y8HuyqUfZtQCg3Dqg

    • 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