Analysis

  • max time kernel
    149s
  • max time network
    163s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    30/09/2026, 23:25

General

  • Target
    TiRex Bypasser.exe
  • Size 201.5MB
  • Sample260930-3enyfswfpg
  • SHA256 0d69038e5648521894a25ba29cb0c37df2752d444b5b750491529a9d3c0b5164
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Reads ssh keys stored on the system 2 TTPs

    Tries to access SSH used by SSH programs.

  • Reads the TCP/IP host and domain name from the registry 1 TTPs 4 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\TiRex Bypasser.exe
    "C:\Users\Admin\AppData\Local\Temp\TiRex Bypasser.exe"
    1⤵
    • Checks computer location settings
    • Reads the TCP/IP host and domain name from the registry
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:240
    • C:\Users\Admin\AppData\Local\Temp\TiRex Bypasser.exe
      "C:\Users\Admin\AppData\Local\Temp\TiRex Bypasser.exe" --type=gpu-process --user-data-dir="C:\Users\Admin\AppData\Roaming\tirex-bypasser" --gpu-preferences=SAAAAAAAAADgAAAIAAAAAAAAAAAAAGAAAQAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAQAAAAAAAAABAAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --field-trial-handle=1756,i,13365227433276167464,2317942057487627947,262144 --enable-features=EnableTransparentHwndEnlargement,PdfUseShowSaveFilePicker --disable-features=ScreenAIOCREnabled,SpareRendererForSitePerProcess,TraceSiteInstanceGetProcessCreation,WinDelaySpellcheckServiceInit --variations-seed-version --mojo-platform-channel-handle=1752 /prefetch:2
      2⤵
        PID:3172
      • C:\Users\Admin\AppData\Local\Temp\TiRex Bypasser.exe
        "C:\Users\Admin\AppData\Local\Temp\TiRex Bypasser.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --user-data-dir="C:\Users\Admin\AppData\Roaming\tirex-bypasser" --field-trial-handle=1756,i,13365227433276167464,2317942057487627947,262144 --enable-features=EnableTransparentHwndEnlargement,PdfUseShowSaveFilePicker --disable-features=ScreenAIOCREnabled,SpareRendererForSitePerProcess,TraceSiteInstanceGetProcessCreation,WinDelaySpellcheckServiceInit --variations-seed-version --mojo-platform-channel-handle=1976 /prefetch:3
        2⤵
        • Reads the TCP/IP host and domain name from the registry
        PID:2524
      • C:\Users\Admin\AppData\Local\Temp\TiRex Bypasser.exe
        "C:\Users\Admin\AppData\Local\Temp\TiRex Bypasser.exe" --type=renderer --user-data-dir="C:\Users\Admin\AppData\Roaming\tirex-bypasser" --app-path="C:\Users\Admin\AppData\Local\Temp\resources\app.asar" --no-sandbox --no-zygote --video-capture-use-gpu-memory-buffer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=4 --field-trial-handle=1756,i,13365227433276167464,2317942057487627947,262144 --enable-features=EnableTransparentHwndEnlargement,PdfUseShowSaveFilePicker --disable-features=ScreenAIOCREnabled,SpareRendererForSitePerProcess,TraceSiteInstanceGetProcessCreation,WinDelaySpellcheckServiceInit --variations-seed-version --mojo-platform-channel-handle=3036 /prefetch:1
        2⤵
        • Checks computer location settings
        PID:2064
      • C:\Users\Admin\AppData\Local\Temp\TiRex Bypasser.exe
        "C:\Users\Admin\AppData\Local\Temp\TiRex Bypasser.exe" --type=gpu-process --disable-gpu-sandbox --use-gl=disabled --gpu-vendor-id=5140 --gpu-device-id=140 --gpu-sub-system-id=0 --gpu-revision=0 --gpu-driver-version=10.0.19041.546 --user-data-dir="C:\Users\Admin\AppData\Roaming\tirex-bypasser" --gpu-preferences=SAAAAAAAAADoAAAIAAAAAAAAAAAAAGAAAQAAAAAAAACEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAQAAAAAAAAABAAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --field-trial-handle=1756,i,13365227433276167464,2317942057487627947,262144 --enable-features=EnableTransparentHwndEnlargement,PdfUseShowSaveFilePicker --disable-features=ScreenAIOCREnabled,SpareRendererForSitePerProcess,TraceSiteInstanceGetProcessCreation,WinDelaySpellcheckServiceInit --variations-seed-version --mojo-platform-channel-handle=3316 /prefetch:8
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:4888

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          default.exc

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Spelling\en-US\default.exc
          • Size 2B
          • SHA256 b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
          • MD5 SHA1 SHA512

          data_0

          • Path C:\Users\Admin\AppData\Roaming\tirex-bypasser\GPUCache\data_0
          • Size 8KB
          • SHA256 d6a5fe39cd672781b256e0e3102f7022635f1d4bb7cfcc90a80fffe4d0f3877e
          • MD5 SHA1 SHA512 SSDEEP

          data_1

          • Path C:\Users\Admin\AppData\Roaming\tirex-bypasser\GPUCache\data_1
          • Size 264KB
          • SHA256 b1e963d702392fb7224786e7d56d43973e9b9efd1b89c17814d7c558ffc0cdec
          • MD5 SHA1 SHA512 SSDEEP

          data_2

          • Path C:\Users\Admin\AppData\Roaming\tirex-bypasser\GPUCache\data_2
          • Size 8KB
          • SHA256 ec1702806f4cc7c42a82fc2b38e89835fde7c64bb32060e0823c9077ca92efb7
          • MD5 SHA1 SHA512 SSDEEP

          data_3

          • Path C:\Users\Admin\AppData\Roaming\tirex-bypasser\GPUCache\data_3
          • Size 8KB
          • SHA256 e09f42c398d688dce168570291f1f92d079987deda3099a34adb9e8c0522b30c
          • MD5 SHA1 SHA512 SSDEEP

          Preferences

          • Path C:\Users\Admin\AppData\Roaming\tirex-bypasser\Preferences
          • Size 57B
          • SHA256 be4b8924ab38e8acf350e6e3b9f1f63a1a94952d8002759acd6946c4d5d0b5de
          • MD5 SHA1 SHA512 TLSH

          Preferences~RFe593406.TMP

          • Path C:\Users\Admin\AppData\Roaming\tirex-bypasser\Preferences~RFe593406.TMP
          • Size 93B
          • SHA256 529b6595a4727a6b2d6cc154ae51f426216c01fc7fda02de2460abfb3de118a4
          • MD5 SHA1 SHA512 TLSH

          memory/4888-107-0x000002B085B40000-0x000002B085B41000-memory.dmp

          memory/4888-108-0x000002B085B40000-0x000002B085B41000-memory.dmp

          memory/4888-106-0x000002B085B40000-0x000002B085B41000-memory.dmp

          memory/4888-119-0x000002B085B40000-0x000002B085B41000-memory.dmp

          memory/4888-118-0x000002B085B40000-0x000002B085B41000-memory.dmp

          memory/4888-117-0x000002B085B40000-0x000002B085B41000-memory.dmp

          memory/4888-116-0x000002B085B40000-0x000002B085B41000-memory.dmp

          memory/4888-115-0x000002B085B40000-0x000002B085B41000-memory.dmp

          memory/4888-114-0x000002B085B40000-0x000002B085B41000-memory.dmp

          memory/4888-113-0x000002B085B40000-0x000002B085B41000-memory.dmp