General

  • Target

    39f27c9ed9d41a6c98c445d92d5ea745ffb90c3f75e90905cd5c59d4db695529

  • Size

    4.2MB

  • Sample

    230608-p95ykagc2x

  • MD5

    a69bd1b10c4ba0c4b136c9992e362eca

  • SHA1

    f527e08c9eda06181322aea1c5ff5874f6176729

  • SHA256

    39f27c9ed9d41a6c98c445d92d5ea745ffb90c3f75e90905cd5c59d4db695529

  • SHA512

    c04125f3122df35fc2a80a0edc13974a06566ca8e47e1f624a89736efe57af12b8f364bd7c9f7866145de7832892fde88d4eaf0ad7ea805b785d7690e4708c1c

  • SSDEEP

    98304:14Oukmwozu5N1sjvc6C5HzAFpDV4v2Gff887WFFSEVpe1l6UqT5uNa:Mxw0u5Xsj06C5HzAFtV4vjftWfSDTd4T

Malware Config

Targets

    • Target

      39f27c9ed9d41a6c98c445d92d5ea745ffb90c3f75e90905cd5c59d4db695529

    • Size

      4.2MB

    • MD5

      a69bd1b10c4ba0c4b136c9992e362eca

    • SHA1

      f527e08c9eda06181322aea1c5ff5874f6176729

    • SHA256

      39f27c9ed9d41a6c98c445d92d5ea745ffb90c3f75e90905cd5c59d4db695529

    • SHA512

      c04125f3122df35fc2a80a0edc13974a06566ca8e47e1f624a89736efe57af12b8f364bd7c9f7866145de7832892fde88d4eaf0ad7ea805b785d7690e4708c1c

    • SSDEEP

      98304:14Oukmwozu5N1sjvc6C5HzAFpDV4v2Gff887WFFSEVpe1l6UqT5uNa:Mxw0u5Xsj06C5HzAFtV4vjftWfSDTd4T

    • 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