General

  • Target

    504da8b10036612226e41661edbc3625e2befff479e50cc30c149cc781dd084c

  • Size

    4.2MB

  • Sample

    230607-mgymnshf42

  • MD5

    2d3770eb1950dd2de04a7d77b6e8a460

  • SHA1

    a2fed4b5e1c5b69d8d4c3fe56f0462421efc8e70

  • SHA256

    504da8b10036612226e41661edbc3625e2befff479e50cc30c149cc781dd084c

  • SHA512

    61789d6ad5fd20b87078988e3dc22d88f974cdf97a23a4e1f3e714f97297fc5a7d2be1a5037e9543416aacfa96fe2c8330dfd7eab266667d9898ed08b63fd8c0

  • SSDEEP

    98304:F7cjpnWTod4g2pxfbBxBg9mIiQMFSS/eeWhc:V4pnQn9xB8w/epW

Malware Config

Targets

    • Target

      504da8b10036612226e41661edbc3625e2befff479e50cc30c149cc781dd084c

    • Size

      4.2MB

    • MD5

      2d3770eb1950dd2de04a7d77b6e8a460

    • SHA1

      a2fed4b5e1c5b69d8d4c3fe56f0462421efc8e70

    • SHA256

      504da8b10036612226e41661edbc3625e2befff479e50cc30c149cc781dd084c

    • SHA512

      61789d6ad5fd20b87078988e3dc22d88f974cdf97a23a4e1f3e714f97297fc5a7d2be1a5037e9543416aacfa96fe2c8330dfd7eab266667d9898ed08b63fd8c0

    • SSDEEP

      98304:F7cjpnWTod4g2pxfbBxBg9mIiQMFSS/eeWhc:V4pnQn9xB8w/epW

    • 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