General

  • Target

    434d945b2fb3c2fe6a745adb2171d58dcb68aeb36a21de73c2b8a6c15ed9e57d

  • Size

    4.1MB

  • Sample

    230328-lpx6faac27

  • MD5

    05c46119bec55371c8e74703c0b16549

  • SHA1

    a2591f3f932157cc827f17fbe29da16747eb0b5c

  • SHA256

    434d945b2fb3c2fe6a745adb2171d58dcb68aeb36a21de73c2b8a6c15ed9e57d

  • SHA512

    3daf23b3b98a0a18e2e55b1f1fbf6728ad573f782e45fd626da4e4584b8c9a97802b000373332199aeb9131830d0b6bd772774a45a48b8f02c6bc39aa9646e2f

  • SSDEEP

    98304:Ayh1jETwblZHBMNSSg7jKCQXGyLLsWJ3FPCckKmv3C8niJQd:1tbD75Q2yLLswFPCckKiiU

Malware Config

Targets

    • Target

      434d945b2fb3c2fe6a745adb2171d58dcb68aeb36a21de73c2b8a6c15ed9e57d

    • Size

      4.1MB

    • MD5

      05c46119bec55371c8e74703c0b16549

    • SHA1

      a2591f3f932157cc827f17fbe29da16747eb0b5c

    • SHA256

      434d945b2fb3c2fe6a745adb2171d58dcb68aeb36a21de73c2b8a6c15ed9e57d

    • SHA512

      3daf23b3b98a0a18e2e55b1f1fbf6728ad573f782e45fd626da4e4584b8c9a97802b000373332199aeb9131830d0b6bd772774a45a48b8f02c6bc39aa9646e2f

    • SSDEEP

      98304:Ayh1jETwblZHBMNSSg7jKCQXGyLLsWJ3FPCckKmv3C8niJQd:1tbD75Q2yLLswFPCckKiiU

    • Glupteba

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

    • Glupteba payload

    • Modifies Windows Firewall

    • Executes dropped EXE

    • 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.

    • Legitimate hosting services abused for malware hosting/C2

    • 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

Command and Control

Web Service

1
T1102

Tasks