Resubmissions

02-06-2024 18:02

240602-wmqzfsaa8s 10

02-06-2024 16:52

240602-vdd3vsha3x 9

General

  • Target

    https://bing.com

  • Sample

    240602-wmqzfsaa8s

Malware Config

Targets

    • Target

      https://bing.com

    • Rhadamanthys

      Rhadamanthys is an info stealer written in C++ first seen in August 2022.

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Downloads MZ/PE file

    • Modifies Installed Components in the registry

    • Sets file execution options in registry

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Registers COM server for autorun

    • 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.

    • Installs/modifies Browser Helper Object

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

    • Maps connected drives based on registry

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

    • Checks system information in the registry

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

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Scheduled Task/Job

1
T1053

Persistence

Boot or Logon Autostart Execution

4
T1547

Registry Run Keys / Startup Folder

4
T1547.001

Browser Extensions

1
T1176

Scheduled Task/Job

1
T1053

Privilege Escalation

Boot or Logon Autostart Execution

4
T1547

Registry Run Keys / Startup Folder

4
T1547.001

Scheduled Task/Job

1
T1053

Defense Evasion

Modify Registry

6
T1112

Discovery

Query Registry

8
T1012

System Information Discovery

8
T1082

Peripheral Device Discovery

2
T1120

Tasks