Overview

overview

9

Static

static

1

URLScan

urlscan

1

https://gauravbuilde...

windows10-2004-x64

9

Resubmissions

17-03-2023 22:35

230317-2hz98aac43 8

17-03-2023 20:23

230317-y5966abh31 9

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General

  • Target

    https://gauravbuilders.com/AppInstaller.exe

  • Sample

    230317-y5966abh31

Score
9/10
evasionpersistencepyinstallerthemidatrojan

Malware Config

Targets

    • Target

      https://gauravbuilders.com/AppInstaller.exe

    Score
    9/10
    evasionpersistencepyinstallerthemidatrojan

    • Enumerates VirtualBox DLL files

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

      evasion

    • Looks for VirtualBox drivers on disk

      evasion

    • Looks for VirtualBox executables on disk

    • Downloads MZ/PE file

    • Looks for VMWare drivers on disk

      evasion

    • Checks BIOS information in registry

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

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

      themida

    • Adds Run key to start application

      persistence

    • Checks whether UAC is enabled

      evasiontrojan

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral1

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

5
T1497

Modify Registry

1
T1112

Credential Access

Discovery

File and Directory Discovery

4
T1083

Virtualization/Sandbox Evasion

5
T1497

Query Registry

5
T1012

System Information Discovery

6
T1082

Peripheral Device Discovery

1
T1120

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks