Resubmissions

29-05-2023 20:17

230529-y22evadd75 8

29-05-2023 18:07

230529-wqg6qach95 8

General

  • Target

    https://drive.google.com/file/d/1FUwgpMw4B1TlE1db5TBBZk3-G_xT2RCy/view

  • Sample

    230529-wqg6qach95

Malware Config

Targets

    • Target

      https://drive.google.com/file/d/1FUwgpMw4B1TlE1db5TBBZk3-G_xT2RCy/view

    • Downloads MZ/PE file

    • ACProtect 1.3x - 1.4x DLL software

      Detects file using ACProtect software.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • UPX packed file

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

    • VMProtect packed file

      Detects executables packed with VMProtect commercial 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.

    • Drops desktop.ini file(s)

    • 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

    • Detected potential entity reuse from brand microsoft.

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

3
T1112

Install Root Certificate

1
T1130

Discovery

Query Registry

7
T1012

System Information Discovery

6
T1082

Peripheral Device Discovery

2
T1120

Command and Control

Web Service

1
T1102

Tasks