Overview

overview

8

Static

static

3

2026-06-30...os.exe

windows10-2004-x64

7

2026-06-30...os.exe

windows11-ltsc_2024-x64

8

Analysis

  • max time kernel
    62s
  • max time network
    155s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260629-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    30/06/2026, 17:05

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General

  • Target
    2026-06-30_fcd7011f494d511f0c531c0725527d87_bkransomware_elex_hawkeye_maze_remcos.exe
  • Size 1.0MB
  • Sample260630-vlxj6sdv21
  • SHA256 3ebe2c84b740f0b888ec929b93fa119dbb5b4f76da00b0c25c0d9bbc53ec10ff
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
adwarediscoverypersistencespyware

Malware Config

Signatures

  • 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.

    persistence
  • Executes dropped EXE 5 IoCs
  • Enumerates connected drives 3 TTPs 2 IoCs

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

  • Drops file in System32 directory 4 IoCs
  • Drops file in Program Files directory 64 IoCs
  • 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.

    discovery
  • Checks SCSI registry key(s) 3 TTPs 62 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
    adwarespyware
  • Modifies registry class 40 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 43 IoCs
  • Suspicious use of FindShellTrayWindow 53 IoCs
  • Suspicious use of SendNotifyMessage 39 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-06-30_fcd7011f494d511f0c531c0725527d87_bkransomware_elex_hawkeye_maze_remcos.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-06-30_fcd7011f494d511f0c531c0725527d87_bkransomware_elex_hawkeye_maze_remcos.exe"
    1⤵
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:4048
  • C:\Windows\System32\alg.exe
    C:\Windows\System32\alg.exe
    1⤵
    • Executes dropped EXE
    • Drops file in System32 directory
    • Drops file in Program Files directory
    PID:2352
  • C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe
    "C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"
    1⤵
    • Executes dropped EXE
    PID:4364
  • C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe"
    1⤵
    • Executes dropped EXE
    PID:1932
  • C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe
    "C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe"
    1⤵
    • Executes dropped EXE
    PID:3500
  • \??\c:\Program Files\Common Files\Microsoft Shared\Source Engine\OSE.EXE
    "c:\Program Files\Common Files\Microsoft Shared\Source Engine\OSE.EXE"
    1⤵
    • Executes dropped EXE
    PID:1840
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:2792
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:1776
      • C:\Windows\explorer.exe
        explorer.exe /LOADSAVEDWINDOWS
        2⤵
        • Boot or Logon Autostart Execution: Active Setup
        • Enumerates connected drives
        • Checks SCSI registry key(s)
        • Modifies Internet Explorer settings
        • Modifies registry class
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        • Suspicious use of SetWindowsHookEx
        PID:4420
    • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe
      "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca
      1⤵
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:1692
    • 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:4404

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          elevation_service.exe
          • Path C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe
          • Size 2.7MB
          • SHA256 0d84295d567df1de1ebeb1341534ae7eea3173a692afeeb99227bbf7934e882a
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          maintenanceservice.exe
          • Path C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe
          • Size 849KB
          • SHA256 fc55f632a9270583a2e296199e228014cb86b759f3b2f1d484e0978d1de9b8cb
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          OSE.EXE
          • Path C:\Program Files\Common Files\microsoft shared\Source Engine\OSE.EXE
          • Size 830KB
          • SHA256 f07e18134a95fb56f0c1f21a10d61ba84265f54ddbeafe069fde8cf498f27be2
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          elevation_service.exe
          • Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe
          • Size 2.8MB
          • SHA256 6fbabb2c4f0243abf70e96c080ef31cd6bc7e0ba04057252e126361fb95b7ea7
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          prep_Activatable Class_Hermes_perf.cache
          • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\TempState\prep_Activatable Class_Hermes_perf.cache
          • Size 607B
          • SHA256 be6b74e52e5eef1f1c27c0976bf3bf1bfa99958c00bbef2898a602f691be6dae
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          prep_Activatable Class_Hermes_perf.cache
          • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\TempState\prep_Activatable Class_Hermes_perf.cache
          • Size 599B
          • SHA256 b536a3dae9ea5c69081f0491eed829e3b57e32401fdf49a63031bcd6b20e6fdb
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          alg.exe
          • Path C:\Windows\System32\alg.exe
          • Size 780KB
          • SHA256 223c82a573ed13e8c78e9b85b7f9c70fc5f57a9a1223e9c1e07b914c8d861302
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          memory/1692-92-0x000001C501E10000-0x000001C501E30000-memory.dmp
          Download

          memory/1692-82-0x000001C501D10000-0x000001C501D30000-memory.dmp
          Download

          memory/1692-120-0x000001C5142F0000-0x000001C514310000-memory.dmp
          Download

          memory/1692-83-0x000001C514000000-0x000001C514100000-memory.dmp
          Download

          memory/1692-76-0x000001C5001E0000-0x000001C5002E0000-memory.dmp
          Download

          memory/1692-74-0x000001C5001E0000-0x000001C5002E0000-memory.dmp
          Download

          memory/1840-61-0x0000028D7F9A0000-0x0000028D7FA06000-memory.dmp
          Download

          memory/1840-60-0x0000028D7F9A0000-0x0000028D7FA06000-memory.dmp
          Download

          memory/1840-59-0x0000028D7F770000-0x0000028D7F879000-memory.dmp
          Download

          memory/1932-38-0x0000021695DE0000-0x0000021695EE9000-memory.dmp
          Download

          memory/1932-39-0x0000021695F40000-0x0000021695FA6000-memory.dmp
          Download

          memory/1932-40-0x0000021695F40000-0x0000021695FA6000-memory.dmp
          Download

          memory/2352-44-0x00007FF6E0410000-0x00007FF6E0533000-memory.dmp
          Download

          memory/2352-17-0x0000017E5F7F0000-0x0000017E5F856000-memory.dmp
          Download

          memory/2352-15-0x00007FF6E0410000-0x00007FF6E0533000-memory.dmp
          Download

          memory/2352-16-0x0000017E5F7F0000-0x0000017E5F856000-memory.dmp
          Download

          memory/2352-18-0x0000017E5F7F0000-0x0000017E5F856000-memory.dmp
          Download

          memory/3500-56-0x00007FF768840000-0x00007FF7689A8000-memory.dmp
          Download

          memory/3500-47-0x00007FF768840000-0x00007FF7689A8000-memory.dmp
          Download

          memory/3500-48-0x000002C026AE0000-0x000002C026B46000-memory.dmp
          Download

          memory/3500-49-0x000002C026AE0000-0x000002C026B46000-memory.dmp
          Download

          memory/3500-55-0x000002C026AE0000-0x000002C026B46000-memory.dmp
          Download

          memory/4048-6-0x0000000002590000-0x00000000025F9000-memory.dmp
          Download

          memory/4048-26-0x0000000000400000-0x00000000005FB000-memory.dmp
          Download

          memory/4048-0-0x0000000000400000-0x00000000005FB000-memory.dmp
          Download

          memory/4048-7-0x0000000002590000-0x00000000025F9000-memory.dmp
          Download

          memory/4048-1-0x0000000002590000-0x00000000025F9000-memory.dmp
          Download

          memory/4364-29-0x0000016E12CF0000-0x0000016E12DF9000-memory.dmp
          Download

          memory/4364-32-0x0000016E12ED0000-0x0000016E12F36000-memory.dmp
          Download

          memory/4364-30-0x0000016E12ED0000-0x0000016E12F36000-memory.dmp
          Download

          memory/4420-266-0x000000000DE80000-0x000000000DFEC000-memory.dmp
          Download