General

  • Target

    7c93831dcd5854f6ef2442eb9d84c227314519908f2510c68d43c382616a72a0

  • Size

    4.1MB

  • Sample

    230607-ywjb3sga3w

  • MD5

    e2804c2b6893229ed47ebfc4ad88460a

  • SHA1

    b43586b86eb8fc0a7d571f113d8284dd961f0048

  • SHA256

    7c93831dcd5854f6ef2442eb9d84c227314519908f2510c68d43c382616a72a0

  • SHA512

    306b59eca02a144c12e71b0a8469c1071135142b29fcea90c60d8370ef6f57a90266b0f94dabe5a7bb565f6c65a9ba7f203ae06b1cd3e2ad685986772cf4b898

  • SSDEEP

    98304:XV0kmJ+lypSNjdXPFOPJebab0px9wmc+n8YxrkbK2edAQcAk:9BUUNjSheOR48v+9dAMk

Malware Config

Targets

    • Target

      7c93831dcd5854f6ef2442eb9d84c227314519908f2510c68d43c382616a72a0

    • Size

      4.1MB

    • MD5

      e2804c2b6893229ed47ebfc4ad88460a

    • SHA1

      b43586b86eb8fc0a7d571f113d8284dd961f0048

    • SHA256

      7c93831dcd5854f6ef2442eb9d84c227314519908f2510c68d43c382616a72a0

    • SHA512

      306b59eca02a144c12e71b0a8469c1071135142b29fcea90c60d8370ef6f57a90266b0f94dabe5a7bb565f6c65a9ba7f203ae06b1cd3e2ad685986772cf4b898

    • SSDEEP

      98304:XV0kmJ+lypSNjdXPFOPJebab0px9wmc+n8YxrkbK2edAQcAk:9BUUNjSheOR48v+9dAMk

    • Glupteba

      Glupteba is a modular loader written in Golang with various components.

    • Glupteba payload

    • Modifies Windows Firewall

    • Executes dropped EXE

    • Loads dropped DLL

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • 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

Modify Registry

1
T1112

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Tasks