General

  • Target

    89082b55a12422d8c1d537a554f4d12421a3e40810dd0f40706183d935bfbf42

  • Size

    4.2MB

  • Sample

    230607-fk8tgsgh59

  • MD5

    2af4233dc2ec57928caf38b046cfd21d

  • SHA1

    5f32302d79600cfb798a7721de7649045c055c07

  • SHA256

    89082b55a12422d8c1d537a554f4d12421a3e40810dd0f40706183d935bfbf42

  • SHA512

    5409ea47aa6b7515f1df0a7f42f41009fc2993c6226c19f2396d10f5a66e50bcfd3b375d0d76266280c679295e32b04565d7b00f7a61d9ed87f24afad40f6c1d

  • SSDEEP

    98304:MV3QELaGwo1qDyz+mxXMY+SZa6ZKRD/StVVtijF8Vdcthmk:MVgExzqDGjFZxZyR8VVMiAthj

Malware Config

Targets

    • Target

      89082b55a12422d8c1d537a554f4d12421a3e40810dd0f40706183d935bfbf42

    • Size

      4.2MB

    • MD5

      2af4233dc2ec57928caf38b046cfd21d

    • SHA1

      5f32302d79600cfb798a7721de7649045c055c07

    • SHA256

      89082b55a12422d8c1d537a554f4d12421a3e40810dd0f40706183d935bfbf42

    • SHA512

      5409ea47aa6b7515f1df0a7f42f41009fc2993c6226c19f2396d10f5a66e50bcfd3b375d0d76266280c679295e32b04565d7b00f7a61d9ed87f24afad40f6c1d

    • SSDEEP

      98304:MV3QELaGwo1qDyz+mxXMY+SZa6ZKRD/StVVtijF8Vdcthmk:MVgExzqDGjFZxZyR8VVMiAthj

    • Glupteba

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

    • Glupteba payload

    • Modifies Windows Firewall

    • Executes dropped EXE

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • 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 WinMonFS driver.

      Roottkits write to WinMonFS to hide directories/files from being detected.

    • Drops file in System32 directory

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

1
T1112

Discovery

Query Registry

2
T1012

System Information Discovery

1
T1082

Tasks