General

  • Target

    0fc8cdc6baa702ca03bee2737a4ec0070d69be196092d7bce719c13a646b30ea

  • Size

    4.1MB

  • Sample

    230326-nk52laac4x

  • MD5

    527b5b8814fa5c6654071018ee6f3af0

  • SHA1

    2274b953c7552e70920251dba1f5e43f93c1d04b

  • SHA256

    0fc8cdc6baa702ca03bee2737a4ec0070d69be196092d7bce719c13a646b30ea

  • SHA512

    1844bb3f1daaebe827719fd2d73075cddd5271f0b6285fa4f02d14b13394580277853036453ef02ebea4a1af8ef3f0390c13cd5fbd8a01332d20d2028ba02405

  • SSDEEP

    98304:ViGIF0rUD4kkX5/Z9a3jHzxa0o1kMvnM4Cc:AGImQDTORZiH+1kMfM4Cc

Malware Config

Targets

    • Target

      0fc8cdc6baa702ca03bee2737a4ec0070d69be196092d7bce719c13a646b30ea

    • Size

      4.1MB

    • MD5

      527b5b8814fa5c6654071018ee6f3af0

    • SHA1

      2274b953c7552e70920251dba1f5e43f93c1d04b

    • SHA256

      0fc8cdc6baa702ca03bee2737a4ec0070d69be196092d7bce719c13a646b30ea

    • SHA512

      1844bb3f1daaebe827719fd2d73075cddd5271f0b6285fa4f02d14b13394580277853036453ef02ebea4a1af8ef3f0390c13cd5fbd8a01332d20d2028ba02405

    • SSDEEP

      98304:ViGIF0rUD4kkX5/Z9a3jHzxa0o1kMvnM4Cc:AGImQDTORZiH+1kMfM4Cc

    • 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.

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