General

  • Target

    https://github.com/Endermanch/MalwareDatabase

  • Sample

    240822-cwkz1stfmh

Malware Config

Targets

    • Target

      https://github.com/Endermanch/MalwareDatabase

    • Modifies WinLogon for persistence

    • Troldesh, Shade, Encoder.858

      Troldesh is a ransomware spread by malspam.

    • Executes dropped EXE

    • UPX packed file

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

    • Adds Run key to start application

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Legitimate hosting services abused for malware hosting/C2

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • Drops file in System32 directory

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Defense Evasion

Modify Registry

3
T1112

Discovery

Query Registry

4
T1012

Peripheral Device Discovery

3
T1120

System Information Discovery

5
T1082

Browser Information Discovery

1
T1217

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Command and Control

Web Service

1
T1102

Tasks