Analysis

  • max time kernel
    148s
  • 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
    05/07/2026, 01:36

General

  • Target
    2026-07-05_594de5e990d698b1d0512ae4dffd581e_bkransomware_elex_hawkeye_maze_remcos.exe
  • Size 1.0MB
  • Sample260705-b1dk3abz4p
  • SHA256 4032f52447d016c5fc4b8d99206aa6436e33416eebced2467ddae917df7294f0
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Executes dropped EXE 6 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Drops file in System32 directory 5 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 2 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.

  • Checks SCSI registry key(s) 3 TTPs 6 IoCs

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

  • Modifies data under HKEY_USERS 41 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: LoadsDriver 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-07-05_594de5e990d698b1d0512ae4dffd581e_bkransomware_elex_hawkeye_maze_remcos.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-05_594de5e990d698b1d0512ae4dffd581e_bkransomware_elex_hawkeye_maze_remcos.exe"
    1⤵
    • Drops file in System32 directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:1320
  • 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
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    PID:5904
  • C:\Windows\System32\GameInputSvc.exe
    C:\Windows\System32\GameInputSvc.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1988
    • C:\Windows\System32\GameInputSvc.exe
      "C:\Windows\System32\GameInputSvc.exe" Global\GameInputSession_1
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      PID:3972
  • 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:1244
  • C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe
    "C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe"
    1⤵
    • Executes dropped EXE
    • Drops file in Program Files directory
    PID:5864
  • \??\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:5496

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 1c0ac5cda11167b697de06a87b07a9a13319396cd47bda1ab3f76481d96ad2eb
        • MD5 SHA1 SHA512 SSDEEP TLSH

        maintenanceservice.exe

        • Path C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe
        • Size 849KB
        • SHA256 c3d937b3f37f2e1bb1fb0088ae7634cf923e88c781da352ecffe71811b10b572
        • MD5 SHA1 SHA512 SSDEEP TLSH

        OSE.EXE

        • Path C:\Program Files\Common Files\microsoft shared\Source Engine\OSE.EXE
        • Size 829KB
        • SHA256 aa6718f36968c5d0f7254ba72a0eef8d70dce098020376117ec118759844a8f4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        GameInputSvc.exe

        • Path C:\Windows\System32\GameInputSvc.exe
        • Size 664KB
        • SHA256 5c2c0f75e69e5ca1381d0018de31cbd13af81e2dc0eb918c9272b8d34fd53a24
        • MD5 SHA1 SHA512 SSDEEP TLSH

        alg.exe

        • Path C:\Windows\System32\alg.exe
        • Size 780KB
        • SHA256 0240d4da8f3abeafb900074dca38d7f47c870cb0b6113ff7eb06c5d8e7cdf8ec
        • MD5 SHA1 SHA512 SSDEEP TLSH

        AppVClient.exe

        • Path C:\Windows\system32\AppVClient.exe
        • Size 1.3MB
        • SHA256 794b96fee520923beaaf35bb66bbff48899e83d39e335316917fd35d9d6d8e61
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1244-51-0x000001EC26990000-0x000001EC269F6000-memory.dmp

        memory/1244-50-0x000001EC26990000-0x000001EC269F6000-memory.dmp

        memory/1244-49-0x000001EC267A0000-0x000001EC2686F000-memory.dmp

        memory/1320-0-0x0000000000400000-0x00000000005FB000-memory.dmp

        memory/1320-1-0x0000000002620000-0x0000000002689000-memory.dmp

        memory/1320-6-0x0000000002620000-0x0000000002689000-memory.dmp

        memory/1320-7-0x0000000002620000-0x0000000002689000-memory.dmp

        memory/1320-46-0x0000000000400000-0x00000000005FB000-memory.dmp

        memory/1988-28-0x0000015CC20A0000-0x0000015CC2106000-memory.dmp

        memory/1988-29-0x0000015CC20A0000-0x0000015CC2106000-memory.dmp

        memory/1988-27-0x0000015CC20A0000-0x0000015CC2106000-memory.dmp

        memory/1988-26-0x00007FF7B62A0000-0x00007FF7B6369000-memory.dmp

        memory/1988-82-0x00007FF7B62A0000-0x00007FF7B6369000-memory.dmp

        memory/3972-38-0x000002D3487F0000-0x000002D348856000-memory.dmp

        memory/3972-36-0x000002D3487F0000-0x000002D348856000-memory.dmp

        memory/3972-35-0x00007FF7B62A0000-0x00007FF7B6369000-memory.dmp

        memory/3972-85-0x00007FF7B62A0000-0x00007FF7B6369000-memory.dmp

        memory/3972-37-0x000002D3487F0000-0x000002D348856000-memory.dmp

        memory/5496-69-0x000002072B0E0000-0x000002072B1AF000-memory.dmp

        memory/5496-71-0x000002072B280000-0x000002072B2E6000-memory.dmp

        memory/5496-70-0x000002072B280000-0x000002072B2E6000-memory.dmp

        memory/5864-57-0x00007FF7F7520000-0x00007FF7F7688000-memory.dmp

        memory/5864-64-0x000002CB7D5A0000-0x000002CB7D606000-memory.dmp

        memory/5864-66-0x00007FF7F7520000-0x00007FF7F7688000-memory.dmp

        memory/5864-58-0x000002CB7D5A0000-0x000002CB7D606000-memory.dmp

        memory/5864-59-0x000002CB7D5A0000-0x000002CB7D606000-memory.dmp

        memory/5904-18-0x000002418CAB0000-0x000002418CB16000-memory.dmp

        memory/5904-17-0x000002418CAB0000-0x000002418CB16000-memory.dmp

        memory/5904-79-0x00007FF72C840000-0x00007FF72C963000-memory.dmp

        memory/5904-15-0x00007FF72C840000-0x00007FF72C963000-memory.dmp

        memory/5904-16-0x000002418CAB0000-0x000002418CB16000-memory.dmp