General

  • Target

    7a121882987ead3131eceae53a51138809cb1190fda66310eab4d67a7fac36bd

  • Size

    4.2MB

  • Sample

    230607-pykhgsbb3t

  • MD5

    ae2754e4ca5cd944a95efe80dc903531

  • SHA1

    35029bc315dd79314cebde11a3272cf5319abf54

  • SHA256

    7a121882987ead3131eceae53a51138809cb1190fda66310eab4d67a7fac36bd

  • SHA512

    41f0b1148d12b895385114ce1537cff98643455d00877aae67dd964721524c9503708da03a92088cd0546d270f865671f8cf298d5f0ac207568260f77ad9e642

  • SSDEEP

    98304:75utYctoVARBg2MaaK1g5FJFgQb/OdplY5OuY4di3MrYe:742GQAvSM1iXFgQUplwOP4IMrYe

Malware Config

Targets

    • Target

      7a121882987ead3131eceae53a51138809cb1190fda66310eab4d67a7fac36bd

    • Size

      4.2MB

    • MD5

      ae2754e4ca5cd944a95efe80dc903531

    • SHA1

      35029bc315dd79314cebde11a3272cf5319abf54

    • SHA256

      7a121882987ead3131eceae53a51138809cb1190fda66310eab4d67a7fac36bd

    • SHA512

      41f0b1148d12b895385114ce1537cff98643455d00877aae67dd964721524c9503708da03a92088cd0546d270f865671f8cf298d5f0ac207568260f77ad9e642

    • SSDEEP

      98304:75utYctoVARBg2MaaK1g5FJFgQb/OdplY5OuY4di3MrYe:742GQAvSM1iXFgQUplwOP4IMrYe

    • 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.

    • 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