General

  • Target

    5f9059f5abd646cd17f40c6cdafa1153e657568127c2f24214634822dc1cfc08

  • Size

    4.2MB

  • Sample

    240420-nv472sfg83

  • MD5

    18aa6f29260a3c00683db8cadb92b74b

  • SHA1

    a10fd2097c40d9eedc0b6a51c76b09e39305dc9f

  • SHA256

    5f9059f5abd646cd17f40c6cdafa1153e657568127c2f24214634822dc1cfc08

  • SHA512

    fb92660c623833802aa021ffa8aeed5b46ee92f942acbdd15d4c4971770fd1a4eec22e5a2e032e7730eda85584f07fc4ecbd99d6e0e8c04cf66631ced40ea9eb

  • SSDEEP

    98304:KExeyMsyixS5pRc4vIUtzCuveHCg7xBa+u+nRd:KMby0Sruak17xwU

Malware Config

Targets

    • Target

      5f9059f5abd646cd17f40c6cdafa1153e657568127c2f24214634822dc1cfc08

    • Size

      4.2MB

    • MD5

      18aa6f29260a3c00683db8cadb92b74b

    • SHA1

      a10fd2097c40d9eedc0b6a51c76b09e39305dc9f

    • SHA256

      5f9059f5abd646cd17f40c6cdafa1153e657568127c2f24214634822dc1cfc08

    • SHA512

      fb92660c623833802aa021ffa8aeed5b46ee92f942acbdd15d4c4971770fd1a4eec22e5a2e032e7730eda85584f07fc4ecbd99d6e0e8c04cf66631ced40ea9eb

    • SSDEEP

      98304:KExeyMsyixS5pRc4vIUtzCuveHCg7xBa+u+nRd:KMby0Sruak17xwU

    • 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