General

  • Target

    9727b7c5b6553c73af07f3cff4ce90a0f3147614e421624eee0287908b588f0a

  • Size

    4.1MB

  • Sample

    230328-t83h9sdf9v

  • MD5

    5f689f342acf67bb3ee632062c1e3e04

  • SHA1

    cacd99a7bdcda6086be6e50da055708c47065242

  • SHA256

    9727b7c5b6553c73af07f3cff4ce90a0f3147614e421624eee0287908b588f0a

  • SHA512

    dfeea9d2cec2f294a980e4d6e29860a5060ebbafb66277e1e5f0c44bf3f255f29cf7c8f7a2beb43b11f89f640572d95afe0651c540f22156cca8eb799f5fa61e

  • SSDEEP

    98304:zFkiC6Dxkh193M37JyWckqXzjOES7r9ojcGWjOKoF:RkiCcxkJM34WcfNSNSUsF

Malware Config

Targets

    • Target

      9727b7c5b6553c73af07f3cff4ce90a0f3147614e421624eee0287908b588f0a

    • Size

      4.1MB

    • MD5

      5f689f342acf67bb3ee632062c1e3e04

    • SHA1

      cacd99a7bdcda6086be6e50da055708c47065242

    • SHA256

      9727b7c5b6553c73af07f3cff4ce90a0f3147614e421624eee0287908b588f0a

    • SHA512

      dfeea9d2cec2f294a980e4d6e29860a5060ebbafb66277e1e5f0c44bf3f255f29cf7c8f7a2beb43b11f89f640572d95afe0651c540f22156cca8eb799f5fa61e

    • SSDEEP

      98304:zFkiC6Dxkh193M37JyWckqXzjOES7r9ojcGWjOKoF:RkiCcxkJM34WcfNSNSUsF

    • 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.

    • 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