General

  • Target

    81433fda4aed4a25ccf1dae5855725087691e4139e21278d3930e0dda4364d9d

  • Size

    4.0MB

  • Sample

    230221-mayn4aed68

  • MD5

    560d890275f671cb7679a0220616e332

  • SHA1

    f9ba258e33e7e48e4c578564d89ff04899d363f9

  • SHA256

    81433fda4aed4a25ccf1dae5855725087691e4139e21278d3930e0dda4364d9d

  • SHA512

    c6e3ecf60323cc3fcb7bb899426f3ffa043cc49500e92bf321815bac0347063c8ff95d04c6327f6036a0e45a0d1466c81a0e72d9cb4e798ce87ecfa1117e5397

  • SSDEEP

    98304:bZSAU52/ToHhsGVOMurwtgMX3tPcGTtpn:bZgM/TizHrNtpn

Malware Config

Targets

    • Target

      81433fda4aed4a25ccf1dae5855725087691e4139e21278d3930e0dda4364d9d

    • Size

      4.0MB

    • MD5

      560d890275f671cb7679a0220616e332

    • SHA1

      f9ba258e33e7e48e4c578564d89ff04899d363f9

    • SHA256

      81433fda4aed4a25ccf1dae5855725087691e4139e21278d3930e0dda4364d9d

    • SHA512

      c6e3ecf60323cc3fcb7bb899426f3ffa043cc49500e92bf321815bac0347063c8ff95d04c6327f6036a0e45a0d1466c81a0e72d9cb4e798ce87ecfa1117e5397

    • SSDEEP

      98304:bZSAU52/ToHhsGVOMurwtgMX3tPcGTtpn:bZgM/TizHrNtpn

    • 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.

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