General

  • Target

    90c2c0a3850e702555c86672dfccf87e.exe

  • Size

    4.2MB

  • Sample

    240311-h7tdeseg72

  • MD5

    90c2c0a3850e702555c86672dfccf87e

  • SHA1

    547237f6c49839d5b52c21541e3ef97e70c09e14

  • SHA256

    5d60502a5cb4d285aa1292f7d1fd6297e07e310babf6fc52bcdc86ef0c9e06bb

  • SHA512

    bef33bcfe5c99260d7e3d4a1f874606b166a8ee6307780140ce3350df0e1c7804695596fdcd252a9ce5445439afc2bb6a8b33d99bf175fb722f89213197367f9

  • SSDEEP

    98304:teW8UzsHIbLf9dWRHWVRhdNR5S1sJRNc/DhpLv/dFcsAkZ5X:q0L1dWRH6Rb9w/n3rVAk3

Malware Config

Targets

    • Target

      90c2c0a3850e702555c86672dfccf87e.exe

    • Size

      4.2MB

    • MD5

      90c2c0a3850e702555c86672dfccf87e

    • SHA1

      547237f6c49839d5b52c21541e3ef97e70c09e14

    • SHA256

      5d60502a5cb4d285aa1292f7d1fd6297e07e310babf6fc52bcdc86ef0c9e06bb

    • SHA512

      bef33bcfe5c99260d7e3d4a1f874606b166a8ee6307780140ce3350df0e1c7804695596fdcd252a9ce5445439afc2bb6a8b33d99bf175fb722f89213197367f9

    • SSDEEP

      98304:teW8UzsHIbLf9dWRHWVRhdNR5S1sJRNc/DhpLv/dFcsAkZ5X:q0L1dWRH6Rb9w/n3rVAk3

    • 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