Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-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.

  • Loads dropped DLL 2 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.

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

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

  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 53 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 44 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 2 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:3236
    • 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:768
  • 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 use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of SetWindowsHookEx
    PID:1708
  • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
    "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:2668
  • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
    "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
    1⤵
    • Suspicious use of SetWindowsHookEx
    PID:4280

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 8ad4944aed0e5c1bb278ec223be05a168612ad4c881201cff16ca170ae2521fa
        • MD5 SHA1 SHA512 TLSH

        AppCache134228196625664478.txt

        • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search_cw5n1h2txyewy\LocalState\DeviceSearchCache\AppCache134228196625664478.txt
        • Size 78KB
        • SHA256 bd264d24a92dfb1d269c97a7ff8941b0853d31b6bb9edff0c2d9268fa34c4401
        • MD5 SHA1 SHA512 SSDEEP TLSH

        evb5F33.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\evb5F33.tmp
        • Size 1KB
        • SHA256 165d85d184cac770a8eb5b4338c0dd8b63ea6f91a7970ca447cdbe1b8d3c41ea
        • MD5 SHA1 SHA512 TLSH

        evb5F44.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\evb5F44.tmp
        • Size 1KB
        • SHA256 aa755edd0fe1b279bf42569b79a3ae3560e983e3c22136ba9dfef7af1a19e6e9
        • MD5 SHA1 SHA512 TLSH

        memory/768-70-0x0000000180000000-0x00000001800C6000-memory.dmp

        memory/768-24-0x000000030B5D0000-0x000000030B648000-memory.dmp

        memory/768-9-0x00007FFFBF710000-0x00007FFFBF905000-memory.dmp

        memory/768-12-0x00007FFFBF710000-0x00007FFFBF905000-memory.dmp

        memory/768-16-0x00007FFFBF710000-0x00007FFFBF905000-memory.dmp

        memory/768-17-0x00007FFFBF710000-0x00007FFFBF905000-memory.dmp

        memory/768-18-0x00007FFFBF710000-0x00007FFFBF905000-memory.dmp

        memory/768-20-0x00007FFFBF710000-0x00007FFFBF905000-memory.dmp

        memory/768-68-0x0000000002620000-0x0000000002D5F000-memory.dmp

        memory/768-15-0x00007FFFBF710000-0x00007FFFBF905000-memory.dmp

        memory/768-43-0x0000000180000000-0x00000001800C6000-memory.dmp

        memory/768-11-0x00007FFFBF710000-0x00007FFFBF905000-memory.dmp

        memory/768-21-0x00007FFFBF710000-0x00007FFFBF905000-memory.dmp

        memory/768-6-0x0000000180000000-0x00000001800C6000-memory.dmp

        memory/768-71-0x0000000140000000-0x0000000140182000-memory.dmp

        memory/768-22-0x0000000180000000-0x00000001800C6000-memory.dmp

        memory/768-73-0x00007FFFBF710000-0x00007FFFBF905000-memory.dmp

        memory/768-72-0x000000030B5D0000-0x000000030B648000-memory.dmp

        memory/768-0-0x0000000140000000-0x0000000140182000-memory.dmp

        memory/768-30-0x0000000140000000-0x0000000140182000-memory.dmp

        memory/768-31-0x00007FFFBF710000-0x00007FFFBF905000-memory.dmp

        memory/768-10-0x00007FFFBF710000-0x00007FFFBF905000-memory.dmp

        memory/768-41-0x0000000002620000-0x0000000002D5F000-memory.dmp

        memory/768-2-0x00007FFFBF7AD000-0x00007FFFBF7AE000-memory.dmp

        memory/768-40-0x0000000140000000-0x0000000140182000-memory.dmp

        memory/1708-66-0x0000000000BB0000-0x00000000012EF000-memory.dmp

        memory/1708-46-0x0000000000BB0000-0x00000000012EF000-memory.dmp

        memory/1708-250-0x0000000000BB0000-0x00000000012EF000-memory.dmp

        memory/1708-233-0x0000000000BB0000-0x00000000012EF000-memory.dmp

        memory/1708-85-0x0000000004EE0000-0x0000000004EE1000-memory.dmp

        memory/2668-86-0x0000025095F80000-0x0000025095FA0000-memory.dmp

        memory/2668-234-0x0000025094E00000-0x000002509553F000-memory.dmp

        memory/2668-117-0x0000025096350000-0x0000025096370000-memory.dmp

        memory/2668-100-0x0000025095F40000-0x0000025095F60000-memory.dmp

        memory/3236-27-0x0000000003320000-0x000000000335C000-memory.dmp

        memory/3236-19-0x0000000009160000-0x00000000091BE000-memory.dmp

        memory/3236-13-0x0000000008C20000-0x0000000008C88000-memory.dmp

        memory/3236-23-0x0000000007B60000-0x0000000007B70000-memory.dmp

        memory/3236-26-0x0000000008EB0000-0x0000000008EC2000-memory.dmp

        memory/3236-37-0x0000000003390000-0x0000000003391000-memory.dmp

        memory/3236-29-0x0000000007B60000-0x0000000007B70000-memory.dmp

        memory/3236-34-0x0000000007B60000-0x0000000007B70000-memory.dmp