General

  • Target

    4862e85100991f791f392f62663746ded6561e853a7a0d65d91e86678c6bf10a

  • Size

    4.2MB

  • Sample

    230608-s777page88

  • MD5

    2e73e522d430249df47682c54992e35b

  • SHA1

    ea15fa1fd8a425dd392b996a40e199b9323bbde2

  • SHA256

    4862e85100991f791f392f62663746ded6561e853a7a0d65d91e86678c6bf10a

  • SHA512

    47eb89b2a0c5d1f6ff6f7624be25ab048a603e4303293da788834705eca81dab4798c10fbc2e65d252d99eaf08df750deaadd6832a9af374ae0bcf80f808f91f

  • SSDEEP

    98304:kD6BJq3x/k9BOyFc5DGITwYQhAAFeX50i+XvH1mMBgMW/E:5isB3chGrWAkX50iivVmbMkE

Malware Config

Targets

    • Target

      4862e85100991f791f392f62663746ded6561e853a7a0d65d91e86678c6bf10a

    • Size

      4.2MB

    • MD5

      2e73e522d430249df47682c54992e35b

    • SHA1

      ea15fa1fd8a425dd392b996a40e199b9323bbde2

    • SHA256

      4862e85100991f791f392f62663746ded6561e853a7a0d65d91e86678c6bf10a

    • SHA512

      47eb89b2a0c5d1f6ff6f7624be25ab048a603e4303293da788834705eca81dab4798c10fbc2e65d252d99eaf08df750deaadd6832a9af374ae0bcf80f808f91f

    • SSDEEP

      98304:kD6BJq3x/k9BOyFc5DGITwYQhAAFeX50i+XvH1mMBgMW/E:5isB3chGrWAkX50iivVmbMkE

    • 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