General

  • Target

    985b14d2d4f1957a7f68304759dd0a2e4445db2a2ed593ccb23d219d0532c9c3.exe

  • Size

    4.1MB

  • Sample

    240520-df9h4sge69

  • MD5

    3fe8a86a21840c87b9b1e2a74100f002

  • SHA1

    833bf15d82cd4cf215173ccae45e1e47eeaeefef

  • SHA256

    985b14d2d4f1957a7f68304759dd0a2e4445db2a2ed593ccb23d219d0532c9c3

  • SHA512

    a89e132b02eec6a99060c3a1a20e26418e6e25f11cc9240d3bda5beb2572fd485129cbda7261f271de3f7bcfa0b0605a7bbaf83f9c06fc91e0a9b0692969995b

  • SSDEEP

    98304:Ok/C6baF9NNXYvR+SQPyohxfWe3/GY9pAEj69:On6bazjovoyoHfX3/GYHK

Malware Config

Targets

    • Target

      985b14d2d4f1957a7f68304759dd0a2e4445db2a2ed593ccb23d219d0532c9c3.exe

    • Size

      4.1MB

    • MD5

      3fe8a86a21840c87b9b1e2a74100f002

    • SHA1

      833bf15d82cd4cf215173ccae45e1e47eeaeefef

    • SHA256

      985b14d2d4f1957a7f68304759dd0a2e4445db2a2ed593ccb23d219d0532c9c3

    • SHA512

      a89e132b02eec6a99060c3a1a20e26418e6e25f11cc9240d3bda5beb2572fd485129cbda7261f271de3f7bcfa0b0605a7bbaf83f9c06fc91e0a9b0692969995b

    • SSDEEP

      98304:Ok/C6baF9NNXYvR+SQPyohxfWe3/GY9pAEj69:On6bazjovoyoHfX3/GYHK

    • 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

2
T1059

PowerShell

1
T1059.001

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