Resubmissions

17-08-2024 15:38

240817-s24bjstalb 8

17-08-2024 15:35

240817-s1fh4ashne 8

17-08-2024 14:59

240817-scvywa1gjh 9

General

  • Target

    VTRL_2.1.8_x64_en-US.msi.zip

  • Size

    3.3MB

  • Sample

    240817-scvywa1gjh

  • MD5

    a27975f80147b92aa948fe97f0048f17

  • SHA1

    b9c21faa4fa9a51d51eeb7b50a90180a78a1f1cd

  • SHA256

    4843c07c144fd8975ebf73ab7ea110c36ba0207d15444e0dae041aea01fc0187

  • SHA512

    fe7965f8d3522b2781d82f1614a4ceec69087e442223d9ecf42c72862967bf5b4054a6481fa66eadff70e610be53f25a677baf54c26a6a418dac74df7ba129e0

  • SSDEEP

    98304:2TowL4svUiw2pwngDZMZntWJtvUmpv8mL:KzL4ow2KnPZ0vUo

Malware Config

Targets

    • Target

      VTRL_2.1.8_x64_en-US.msi

    • Size

      3.3MB

    • MD5

      782cc6839587559457932619a853681f

    • SHA1

      3be67bb5c011d4cc9d893a21021751b8c29ff012

    • SHA256

      7ad28e6c71df60dc5c8271e23370a7f8090c09a989286944d0e40ff2cad31ba9

    • SHA512

      4dc4c17457410ba9addb222763b683a3de1663bb4d640a06c373b20717f0c7ac934e7f48fb426a7b14a3fce68bd292ac38e1d391727f6132b48e3a736a65b794

    • SSDEEP

      98304:rTowL4svUiw2pwngDZMZntWJtvUmpv8m:nzL4ow2KnPZ0vU

    • Clears Windows event logs

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Possible privilege escalation attempt

    • Modifies file permissions

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Checks whether UAC is enabled

    • Downloads MZ/PE file

    • Enumerates connected drives

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

    • Event Triggered Execution: Image File Execution Options Injection

    • Indicator Removal: File Deletion

      Adversaries may delete files left behind by the actions of their intrusion activity.

    • Installs/modifies Browser Helper Object

      BHOs are DLL modules which act as plugins for Internet Explorer.

    • Network Share Discovery

      Attempt to gather information on host network.

    • Power Settings

      powercfg controls all configurable power system settings on a Windows system and can be abused to prevent an infected host from locking or shutting down.

    • Checks computer location settings

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

    • Drops file in System32 directory

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

MITRE ATT&CK Enterprise v15

Tasks