General

  • Target

    559a979a9ad598bae0413cf29b88fbb60976b4c6936c42bf57a70a8e2e4fa23e

  • Size

    4.2MB

  • Sample

    230608-tcszysgf44

  • MD5

    fd3feb4e8bd1c6a16162ae9562b9249e

  • SHA1

    f92ba2e067dc09585324e300621d595abec8bdc6

  • SHA256

    559a979a9ad598bae0413cf29b88fbb60976b4c6936c42bf57a70a8e2e4fa23e

  • SHA512

    649d8370c1c456b9a174d2ec15c501920d11daeae720c9edb4fb5296cd9692545f53257e300cc3a3ba1155df6ebd5605c243c4ead791d456fbf84710ee9a2069

  • SSDEEP

    98304:0D6BJq3x/k9BOyFc5DGITwYQhAAFeX50i+XvH1mMBgMW/I:pisB3chGrWAkX50iivVmbMkI

Malware Config

Targets

    • Target

      559a979a9ad598bae0413cf29b88fbb60976b4c6936c42bf57a70a8e2e4fa23e

    • Size

      4.2MB

    • MD5

      fd3feb4e8bd1c6a16162ae9562b9249e

    • SHA1

      f92ba2e067dc09585324e300621d595abec8bdc6

    • SHA256

      559a979a9ad598bae0413cf29b88fbb60976b4c6936c42bf57a70a8e2e4fa23e

    • SHA512

      649d8370c1c456b9a174d2ec15c501920d11daeae720c9edb4fb5296cd9692545f53257e300cc3a3ba1155df6ebd5605c243c4ead791d456fbf84710ee9a2069

    • SSDEEP

      98304:0D6BJq3x/k9BOyFc5DGITwYQhAAFeX50i+XvH1mMBgMW/I:pisB3chGrWAkX50iivVmbMkI

    • Glupteba

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

    • Glupteba payload

    • Windows security bypass

    • Modifies Windows Firewall

    • Executes dropped EXE

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • 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.

    • Drops file in System32 directory

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