Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    09/05/2026, 17:00

General

  • Target
    2026-05-09_6762d12ea2d45bf17bd1e87e251467c0_cobalt-strike_glassworm_hijackloader_icedid_luca-stealer_njrat_stealc_vidar.exe
  • Size 3.7MB
  • Sample260509-vjammaay4x
  • SHA256 a0c9f01334ae7b1330369bdd3c32917a5e539c1c0a547d86dc6eb37a62b6f862
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • quasar

Attributes
  • key_salt

    bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941

  • reconnect_delay

    1999

Signatures

  • Family: Quasar RAT

    Quasar is an open source Remote Access Tool.

  • Quasar payload 1 IoCs
  • Custom signature
    Detects Windows executables referencing non-Windows User-Agents 1 IoCs
  • Custom signature
    Detects executables containing common artifacts observed in infostealers 1 IoCs
  • Custom signature
    Detects executables packed with Enigma 4 IoCs
  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 3 IoCs
  • Enumerates connected drives 3 TTPs 2 IoCs

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

  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks SCSI registry key(s) 3 TTPs 58 IoCs

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

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 57 IoCs
  • Suspicious use of FindShellTrayWindow 57 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

  • Uses Volume Shadow Copy WMI provider

    The Volume Shadow Copy service is used to manage backups/snapshots.

  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:3124
    • C:\Users\Admin\AppData\Local\Temp\2026-05-09_6762d12ea2d45bf17bd1e87e251467c0_cobalt-strike_glassworm_hijackloader_icedid_luca-stealer_njrat_stealc_vidar.exe
      "C:\Users\Admin\AppData\Local\Temp\2026-05-09_6762d12ea2d45bf17bd1e87e251467c0_cobalt-strike_glassworm_hijackloader_icedid_luca-stealer_njrat_stealc_vidar.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:616
      • C:\Users\Admin\AppData\Local\Temp\npp.8.9.3.Installer.exe
        "C:\Users\Admin\AppData\Local\Temp\npp.8.9.3.Installer.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:4688
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Boot or Logon Autostart Execution: Active Setup
    • Enumerates connected drives
    • Checks SCSI registry key(s)
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of SetWindowsHookEx
    PID:1996
  • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe
    "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca
    1⤵
    • Enumerates system info in registry
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:1788
  • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
    "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:2076

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        DiscoverCacheData.dat

        • Path C:\Users\Admin\AppData\Local\Microsoft\PenWorkspace\DiscoverCacheData.dat
        • Size 1022B
        • SHA256 4ec981157ff87ed7f53ad862917c6c0018bd02775d71ed56ec11681b59e4f63d
        • MD5 SHA1 SHA512 TLSH

        evb3E6C.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\evb3E6C.tmp
        • Size 1KB
        • SHA256 165d85d184cac770a8eb5b4338c0dd8b63ea6f91a7970ca447cdbe1b8d3c41ea
        • MD5 SHA1 SHA512 TLSH

        evb3E7D.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\evb3E7D.tmp
        • Size 1KB
        • SHA256 aa755edd0fe1b279bf42569b79a3ae3560e983e3c22136ba9dfef7af1a19e6e9
        • MD5 SHA1 SHA512 TLSH

        npp.8.9.3.Installer.exe

        • Path C:\Users\Admin\AppData\Local\Temp\npp.8.9.3.Installer.exe
        • Size 6.4MB
        • SHA256 8dd799e66072a603ba7e9b4a651b805b0f8838c9f994c5eaf3a85c3629d3d9a1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        LangDLL.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsu6A8E.tmp\LangDLL.dll
        • Size 5KB
        • SHA256 4cf25411f28f639f72156c24b0f66ea42f5aee5973f6c137d901da6ae42d5b7e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/616-29-0x0000000180000000-0x00000001800C6000-memory.dmp

        memory/616-11-0x00007FFBF0760000-0x00007FFBF0969000-memory.dmp

        memory/616-16-0x0000000180000000-0x00000001800C6000-memory.dmp

        memory/616-17-0x000000030B5D0000-0x000000030B648000-memory.dmp

        memory/616-14-0x00007FFBF0760000-0x00007FFBF0969000-memory.dmp

        memory/616-8-0x00007FFBF0760000-0x00007FFBF0969000-memory.dmp

        memory/616-6-0x0000000180000000-0x00000001800C6000-memory.dmp

        memory/616-56-0x0000000140000000-0x0000000140182000-memory.dmp

        memory/616-57-0x000000030B5D0000-0x000000030B648000-memory.dmp

        memory/616-2-0x00007FFBF0804000-0x00007FFBF0805000-memory.dmp

        memory/616-15-0x00007FFBF0760000-0x00007FFBF0969000-memory.dmp

        memory/616-40-0x0000000140000000-0x0000000140182000-memory.dmp

        memory/616-42-0x0000000180000000-0x00000001800C6000-memory.dmp

        memory/616-10-0x00007FFBF0760000-0x00007FFBF0969000-memory.dmp

        memory/616-55-0x0000000180000000-0x00000001800C6000-memory.dmp

        memory/616-27-0x0000000140000000-0x0000000140182000-memory.dmp

        memory/616-28-0x00007FFBF0760000-0x00007FFBF0969000-memory.dmp

        memory/616-0-0x0000000140000000-0x0000000140182000-memory.dmp

        memory/616-58-0x00007FFBF0760000-0x00007FFBF0969000-memory.dmp

        memory/1788-225-0x000001B201710000-0x000001B201810000-memory.dmp

        memory/1788-92-0x000001BA4B850000-0x000001BA4B950000-memory.dmp

        memory/1788-89-0x000001BA4B850000-0x000001BA4B950000-memory.dmp

        memory/1788-135-0x000001BA6DBC0000-0x000001BA6DBE0000-memory.dmp

        memory/1788-145-0x000001BA6DBE0000-0x000001BA6DC00000-memory.dmp

        memory/1788-148-0x000001BB7FC90000-0x000001BB7FCB0000-memory.dmp

        memory/1788-160-0x000001BB7FE30000-0x000001BB7FE50000-memory.dmp

        memory/1788-161-0x000001B200920000-0x000001B200A20000-memory.dmp

        memory/3124-21-0x00000000055C0000-0x00000000055D0000-memory.dmp

        memory/3124-37-0x0000000000A40000-0x0000000000A41000-memory.dmp

        memory/3124-33-0x00000000055C0000-0x00000000055D0000-memory.dmp

        memory/3124-34-0x00000000055C0000-0x00000000055D0000-memory.dmp

        memory/3124-30-0x00000000055C0000-0x00000000055D0000-memory.dmp

        memory/3124-26-0x00000000055C0000-0x00000000055D0000-memory.dmp

        memory/3124-24-0x0000000004590000-0x00000000045CC000-memory.dmp

        memory/3124-23-0x0000000003F40000-0x0000000003F52000-memory.dmp

        memory/3124-20-0x00000000055C0000-0x00000000055D0000-memory.dmp

        memory/3124-19-0x00000000055C0000-0x00000000055D0000-memory.dmp

        memory/3124-18-0x0000000004800000-0x000000000485E000-memory.dmp

        memory/3124-12-0x0000000002B00000-0x0000000002B68000-memory.dmp