General

  • Target

    fb5801749d5404ae4b95846fd45527a3268aae3fa8bbf292f5155830bc25150f

  • Size

    4.1MB

  • Sample

    230327-qjnf9sff6t

  • MD5

    e7494820b6188a50cbd343e428139500

  • SHA1

    8ab2a453956c4cd5e1f0529c20891be609d8958e

  • SHA256

    fb5801749d5404ae4b95846fd45527a3268aae3fa8bbf292f5155830bc25150f

  • SHA512

    3deda711a90b79849076e1e15da695f1efd2584ed8e85ad525faad9bdaf596130ef9813499084de1adcb079c475b681d64c68bf2b34ad4741c3ecc0d75139b30

  • SSDEEP

    98304:yLqWm8EUt/RsxsyuOliVwdHZMwkg3X+WAEpeoGZdJ:jynt/Sxsyu+yc2wkUX+GURv

Malware Config

Targets

    • Target

      fb5801749d5404ae4b95846fd45527a3268aae3fa8bbf292f5155830bc25150f

    • Size

      4.1MB

    • MD5

      e7494820b6188a50cbd343e428139500

    • SHA1

      8ab2a453956c4cd5e1f0529c20891be609d8958e

    • SHA256

      fb5801749d5404ae4b95846fd45527a3268aae3fa8bbf292f5155830bc25150f

    • SHA512

      3deda711a90b79849076e1e15da695f1efd2584ed8e85ad525faad9bdaf596130ef9813499084de1adcb079c475b681d64c68bf2b34ad4741c3ecc0d75139b30

    • SSDEEP

      98304:yLqWm8EUt/RsxsyuOliVwdHZMwkg3X+WAEpeoGZdJ:jynt/Sxsyu+yc2wkUX+GURv

    • 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.

    • 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