General

  • Target

    37ab7d1b9438bc9544fe4dc05d5786c4c06811f74e360e909b125976fca45d31

  • Size

    4.1MB

  • Sample

    240421-nh66wahg97

  • MD5

    cf3923c36f9dc9f888d78ced329045cd

  • SHA1

    b5fdaf266240d073750b440f309c00818ef26c93

  • SHA256

    37ab7d1b9438bc9544fe4dc05d5786c4c06811f74e360e909b125976fca45d31

  • SHA512

    1885911fe660d433567764b4c513c233c075670c63cc543132dadc34425d637d0fc8f7e790256de2454710f2559a39d55bc5c406e6885bd8bd7a130dcf7e747b

  • SSDEEP

    98304:ab4JZ188yFg2NHKKQqaBHENhLOMTEbJ8tA7UUJu481DBGV:JBdQ1naH+hM1NF8WV

Malware Config

Targets

    • Target

      37ab7d1b9438bc9544fe4dc05d5786c4c06811f74e360e909b125976fca45d31

    • Size

      4.1MB

    • MD5

      cf3923c36f9dc9f888d78ced329045cd

    • SHA1

      b5fdaf266240d073750b440f309c00818ef26c93

    • SHA256

      37ab7d1b9438bc9544fe4dc05d5786c4c06811f74e360e909b125976fca45d31

    • SHA512

      1885911fe660d433567764b4c513c233c075670c63cc543132dadc34425d637d0fc8f7e790256de2454710f2559a39d55bc5c406e6885bd8bd7a130dcf7e747b

    • SSDEEP

      98304:ab4JZ188yFg2NHKKQqaBHENhLOMTEbJ8tA7UUJu481DBGV:JBdQ1naH+hM1NF8WV

    • 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

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