General

  • Target

    c0d6a03b5c511ad5ac345fddecdbc0ff23ca6006ef872740313d6b8b7643f229

  • Size

    4.1MB

  • Sample

    230327-mm5ceada62

  • MD5

    539245815092a20be5423848b3d6d757

  • SHA1

    3e12f082145ee81894ea8ac16f6ace15080890e6

  • SHA256

    c0d6a03b5c511ad5ac345fddecdbc0ff23ca6006ef872740313d6b8b7643f229

  • SHA512

    f0319699bb985cb8ae17f4238b359d229bc0d1f9fafbbd11e93771867a8bb45c66bc75404e4988fbc28442d8cfdb4eb2297c9e23a601c9f6cce00a6e9df838b4

  • SSDEEP

    98304:qlUsq5/mFUy5W3l9xAhU+wp3o0ideZIOvfviQrMRto/4SxZ:aUB/mFUy5W3l8hM3oN4ZIbQrMRtsZ

Malware Config

Targets

    • Target

      c0d6a03b5c511ad5ac345fddecdbc0ff23ca6006ef872740313d6b8b7643f229

    • Size

      4.1MB

    • MD5

      539245815092a20be5423848b3d6d757

    • SHA1

      3e12f082145ee81894ea8ac16f6ace15080890e6

    • SHA256

      c0d6a03b5c511ad5ac345fddecdbc0ff23ca6006ef872740313d6b8b7643f229

    • SHA512

      f0319699bb985cb8ae17f4238b359d229bc0d1f9fafbbd11e93771867a8bb45c66bc75404e4988fbc28442d8cfdb4eb2297c9e23a601c9f6cce00a6e9df838b4

    • SSDEEP

      98304:qlUsq5/mFUy5W3l9xAhU+wp3o0ideZIOvfviQrMRto/4SxZ:aUB/mFUy5W3l8hM3oN4ZIbQrMRtsZ

    • 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