General

  • Target

    c3cf8b893b392e86981737b20ac2f95ce1f7b766f11a9b93c227f10595d0c556

  • Size

    4.1MB

  • Sample

    230327-jjbn5scc94

  • MD5

    dc0de7de40ce7c39f7129d926e2d0009

  • SHA1

    5613b6570e9f7e1577f0fb61ab6fac613f0eb2bc

  • SHA256

    c3cf8b893b392e86981737b20ac2f95ce1f7b766f11a9b93c227f10595d0c556

  • SHA512

    7be6469d8abaf20322f75751006504c5740e5ca9e2fb465a24df5bc0211b7ce04f62855dee29b3ed5cf61d5897404a74b442578529e9f6a3e5ced0b7f91a11c2

  • SSDEEP

    98304:RoMmPIQ9IGp28zSklnOADT2j7ssfIRg4gKH3qtd:qRIQ9I6z9CjYsfIRg4nH3qtd

Malware Config

Targets

    • Target

      c3cf8b893b392e86981737b20ac2f95ce1f7b766f11a9b93c227f10595d0c556

    • Size

      4.1MB

    • MD5

      dc0de7de40ce7c39f7129d926e2d0009

    • SHA1

      5613b6570e9f7e1577f0fb61ab6fac613f0eb2bc

    • SHA256

      c3cf8b893b392e86981737b20ac2f95ce1f7b766f11a9b93c227f10595d0c556

    • SHA512

      7be6469d8abaf20322f75751006504c5740e5ca9e2fb465a24df5bc0211b7ce04f62855dee29b3ed5cf61d5897404a74b442578529e9f6a3e5ced0b7f91a11c2

    • SSDEEP

      98304:RoMmPIQ9IGp28zSklnOADT2j7ssfIRg4gKH3qtd:qRIQ9I6z9CjYsfIRg4nH3qtd

    • Glupteba

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

    • Glupteba payload

    • Windows security bypass

    • Modifies Windows Firewall

    • Executes dropped EXE

    • Windows security modification

    • 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.

    • Suspicious use of SetThreadContext

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

Disabling Security Tools

2
T1089

Modify Registry

3
T1112

Discovery

Query Registry

2
T1012

System Information Discovery

1
T1082

Tasks