General

  • Target

    7a98c492c65b4dc0b2229584d884b3d074181fc06c01fa5bfd45fc4db3888952

  • Size

    4.2MB

  • Sample

    230607-yjrspafg4x

  • MD5

    f6aea685d4a59deec081f9967adf430f

  • SHA1

    4073716af2e5b4518cb9aeb89a061fa2695d2b8c

  • SHA256

    7a98c492c65b4dc0b2229584d884b3d074181fc06c01fa5bfd45fc4db3888952

  • SHA512

    43a496193a210549654c5d883ff285b4f9b22f1e3c0d4e546e95a969711c4e1b80233335b6e9e0e372c0a75f81af25fe7d226e1e39c402f73d70e5ba95609d95

  • SSDEEP

    98304:97xlQWUQJrx/VpUx5jTm4qCa4aWdF3j0chnIX4rRA:xxqd9YP+rjRfVA

Malware Config

Targets

    • Target

      7a98c492c65b4dc0b2229584d884b3d074181fc06c01fa5bfd45fc4db3888952

    • Size

      4.2MB

    • MD5

      f6aea685d4a59deec081f9967adf430f

    • SHA1

      4073716af2e5b4518cb9aeb89a061fa2695d2b8c

    • SHA256

      7a98c492c65b4dc0b2229584d884b3d074181fc06c01fa5bfd45fc4db3888952

    • SHA512

      43a496193a210549654c5d883ff285b4f9b22f1e3c0d4e546e95a969711c4e1b80233335b6e9e0e372c0a75f81af25fe7d226e1e39c402f73d70e5ba95609d95

    • SSDEEP

      98304:97xlQWUQJrx/VpUx5jTm4qCa4aWdF3j0chnIX4rRA:xxqd9YP+rjRfVA

    • Glupteba

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

    • Glupteba payload

    • Modifies Windows Firewall

    • Executes dropped EXE

    • 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

1
T1082

Tasks