General

  • Target

    b377c17c6f60f644c16db5baac9b1cb9ec82ad86b3ace2643e906a2f751b8796

  • Size

    4.1MB

  • Sample

    240511-kwh5esch69

  • MD5

    d2393c9847d13b08708418e18735175a

  • SHA1

    fcf0b1d60e5bc98d990c489eaf8380d680e51d33

  • SHA256

    b377c17c6f60f644c16db5baac9b1cb9ec82ad86b3ace2643e906a2f751b8796

  • SHA512

    282382470bc6e2a9ac928b5d15ddc45517556fee13023cf86d597389bb88b609f24d9bd2c3580c1967907809a6c4fa65cb5947dd331c36e99e0c9906de9ecf27

  • SSDEEP

    98304:IErTbmYqgZ1XudKeC70JrifsEkbyxLCxltfr4Ppsv6xaCIx:LD1Z1UwAUfrk2xOxPr4PpsvyaCIx

Malware Config

Targets

    • Target

      b377c17c6f60f644c16db5baac9b1cb9ec82ad86b3ace2643e906a2f751b8796

    • Size

      4.1MB

    • MD5

      d2393c9847d13b08708418e18735175a

    • SHA1

      fcf0b1d60e5bc98d990c489eaf8380d680e51d33

    • SHA256

      b377c17c6f60f644c16db5baac9b1cb9ec82ad86b3ace2643e906a2f751b8796

    • SHA512

      282382470bc6e2a9ac928b5d15ddc45517556fee13023cf86d597389bb88b609f24d9bd2c3580c1967907809a6c4fa65cb5947dd331c36e99e0c9906de9ecf27

    • SSDEEP

      98304:IErTbmYqgZ1XudKeC70JrifsEkbyxLCxltfr4Ppsv6xaCIx:LD1Z1UwAUfrk2xOxPr4PpsvyaCIx

    • 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 v13

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Scheduled Task/Job

1
T1053

Persistence

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Privilege Escalation

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Defense Evasion

Impair Defenses

1
T1562

Disable or Modify System Firewall

1
T1562.004

Modify Registry

1
T1112

Discovery

Query Registry

2
T1012

System Information Discovery

1
T1082

Tasks