Analysis

  • user interaction
    yes
  • max time kernel
    30s
  • max time network
    32s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    01/06/2026, 12:33

General

  • Target
    Retrac_2.1.2_x64_en-US.msi
  • Size 13.9MB
  • Sample260601-prdrcscs21
  • SHA256 8a01ae81a248625f271d5fc7c30bc279478b15ecb94bc8b79d9816ef48f4e04c
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 46 IoCs

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

  • Network Share Discovery 1 TTPs

    Attempt to gather information on host network.

  • Drops file in Program Files directory 2 IoCs
  • Drops file in Windows directory 10 IoCs
  • Event Triggered Execution: Installer Packages 2 TTPs 1 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 5 IoCs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 3 IoCs
  • Modifies registry class 46 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • Uses Volume Shadow Copy service COM API

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

Processes

  • C:\Windows\system32\msiexec.exe
    msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\Retrac_2.1.2_x64_en-US.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:3828
    • C:\Program Files\Retrac\retrac.exe
      "C:\Program Files\Retrac\retrac.exe"
      2⤵
      • Executes dropped EXE
      • Checks whether UAC is enabled
      • Modifies registry class
      PID:3140
      • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe
        "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe" --embedded-browser-webview=1 --webview-exe-name=retrac.exe --webview-exe-version=2.1.2 --user-data-dir="C:\Users\Admin\AppData\Local\launcher.retrac.site\EBWebView" --noerrdialogs --embedded-browser-webview-dpi-awareness=2 --autoplay-policy=no-user-gesture-required --disable-features=msWebOOUI,msPdfOOUI,msSmartScreenProtection --enable-features=RemoveRedirectionBitmap --lang=en-US --mojo-named-platform-channel-pipe=3140.3544.12609285966175877233
        3⤵
        • Enumerates system info in registry
        • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
        • Suspicious use of WriteProcessMemory
        PID:944
        • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe
          "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe" --type=crashpad-handler --user-data-dir=C:\Users\Admin\AppData\Local\launcher.retrac.site\EBWebView /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Users\Admin\AppData\Local\launcher.retrac.site\EBWebView\Crashpad --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=132.0.6834.160 "--annotation=exe=C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe" --annotation=plat=Win64 "--annotation=prod=Edge WebView2" --annotation=ver=132.0.2957.140 --initial-client-data=0x15c,0x160,0x164,0x138,0x16c,0x7ffabb7cb078,0x7ffabb7cb084,0x7ffabb7cb090
          4⤵
            PID:4208
          • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe
            "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe" --type=gpu-process --string-annotations --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Local\launcher.retrac.site\EBWebView" --webview-exe-name=retrac.exe --webview-exe-version=2.1.2 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --gpu-preferences=UAAAAAAAAADgAAAEAAAAAAAAAAAAAAAAAABgAAEAAAAAAAAAAAAAAAAAAAACAAAAAAAAAAAAAAAAAAAAAAAAABAAAAAAAAAAEAAAAAAAAAAIAAAAAAAAAAgAAAAAAAAA --always-read-main-dll --field-trial-handle=1720,i,9443514971662493930,12266915059252757411,262144 --enable-features=RemoveRedirectionBitmap --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version --mojo-platform-channel-handle=1716 /prefetch:2
            4⤵
              PID:4760
            • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe
              "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --string-annotations --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Local\launcher.retrac.site\EBWebView" --webview-exe-name=retrac.exe --webview-exe-version=2.1.2 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --always-read-main-dll --field-trial-handle=2028,i,9443514971662493930,12266915059252757411,262144 --enable-features=RemoveRedirectionBitmap --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version --mojo-platform-channel-handle=2040 /prefetch:3
              4⤵
                PID:1312
              • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe
                "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=service --string-annotations --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Local\launcher.retrac.site\EBWebView" --webview-exe-name=retrac.exe --webview-exe-version=2.1.2 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --always-read-main-dll --field-trial-handle=2344,i,9443514971662493930,12266915059252757411,262144 --enable-features=RemoveRedirectionBitmap --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version --mojo-platform-channel-handle=2376 /prefetch:8
                4⤵
                  PID:4536
                • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe
                  "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe" --type=renderer --string-annotations --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Local\launcher.retrac.site\EBWebView" --webview-exe-name=retrac.exe --webview-exe-version=2.1.2 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --autoplay-policy=no-user-gesture-required --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=5 --js-flags="--harmony-weak-refs-with-cleanup-some --expose-gc --ms-user-locale=" --always-read-main-dll --field-trial-handle=3628,i,9443514971662493930,12266915059252757411,262144 --enable-features=RemoveRedirectionBitmap --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version --mojo-platform-channel-handle=3636 /prefetch:1
                  4⤵
                    PID:4976
            • C:\Windows\system32\msiexec.exe
              C:\Windows\system32\msiexec.exe /V
              1⤵
              • Enumerates connected drives
              • Drops file in Program Files directory
              • Drops file in Windows directory
              • Modifies data under HKEY_USERS
              • Modifies registry class
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of WriteProcessMemory
              PID:4624
              • C:\Windows\syswow64\MsiExec.exe
                C:\Windows\syswow64\MsiExec.exe -Embedding 1451DE71343B16ADA9321F1AC6FB109E C
                2⤵
                • Loads dropped DLL
                • System Location Discovery: System Language Discovery
                PID:3888
              • C:\Windows\system32\srtasks.exe
                C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
                2⤵
                  PID:4680
              • C:\Windows\system32\vssvc.exe
                C:\Windows\system32\vssvc.exe
                1⤵
                • Checks SCSI registry key(s)
                PID:3528

              Network

                    MITRE ATT&CK Enterprise v16

                    Replay Monitor

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                    Downloads

                    e58461d.rbs

                    • Path C:\Config.Msi\e58461d.rbs
                    • Size 10KB
                    • SHA256 56e02952fb0fd0e15e7caa140a26bcae8787b603aa504fa216a1c7ffe7477bb3
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    retrac.exe

                    • Path C:\Program Files\Retrac\retrac.exe
                    • Size 24.5MB
                    • SHA256 ddf1b33de46505ddfd0d06a09c9eaf57a5451cf9f6764390bb993c675eba8c9e
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    Retrac.lnk

                    • Path C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Retrac\Retrac.lnk
                    • Size 1KB
                    • SHA256 6e4b7a4c4ed35ddcc6958b018e342ab801762d3f1be67c05833f60d1aafae6d7
                    • MD5 SHA1 SHA512 TLSH

                    Retrac.lnk~RFe58482f.TMP

                    • Path C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Retrac\Retrac.lnk~RFe58482f.TMP
                    • Size 1KB
                    • SHA256 c4e4b247b429d6a863f0e65a33ee7a9cceb937c951c74ae72ae27ee90c40e6dd
                    • MD5 SHA1 SHA512 TLSH

                    MSID59.tmp

                    • Path C:\Users\Admin\AppData\Local\Temp\MSID59.tmp
                    • Size 132KB
                    • SHA256 7f47d98ab25cfea9b3a2e898c3376cc9ba1cd893b4948b0c27caa530fd0e34cc
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    settings.dat

                    • Path C:\Users\Admin\AppData\Local\launcher.retrac.site\EBWebView\Crashpad\settings.dat
                    • Size 280B
                    • SHA256 308e180aadafc90fd02a6735dc43804f47bb88f941b27a4ad13eb6c61f6facbf
                    • MD5 SHA1 SHA512 TLSH

                    settings.dat

                    • Path C:\Users\Admin\AppData\Local\launcher.retrac.site\EBWebView\Crashpad\settings.dat
                    • Size 280B
                    • SHA256 f7faec34df4b2b4fb93fd3e59a70e2ad8d959e5e7a2fe81c7affe716134be899
                    • MD5 SHA1 SHA512

                    throttle_store.dat

                    • Path C:\Users\Admin\AppData\Local\launcher.retrac.site\EBWebView\Crashpad\throttle_store.dat
                    • Size 20B
                    • SHA256 41c91a9c93d76295746a149dce7ebb3b9ee2cb551d84365fff108e59a61cc304
                    • MD5 SHA1 SHA512

                    data_1

                    • Path C:\Users\Admin\AppData\Local\launcher.retrac.site\EBWebView\Default\DawnGraphiteCache\data_1
                    • Size 264KB
                    • SHA256 902f30c1fb0597d0734bc34b979ec5d131f8f39a4b71b338083821216ec8d61b
                    • MD5 SHA1 SHA512 SSDEEP

                    data_0

                    • Path C:\Users\Admin\AppData\Local\launcher.retrac.site\EBWebView\Default\DawnWebGPUCache\data_0
                    • Size 8KB
                    • SHA256 d6a5fe39cd672781b256e0e3102f7022635f1d4bb7cfcc90a80fffe4d0f3877e
                    • MD5 SHA1 SHA512 SSDEEP

                    data_2

                    • Path C:\Users\Admin\AppData\Local\launcher.retrac.site\EBWebView\Default\DawnWebGPUCache\data_2
                    • Size 8KB
                    • SHA256 ec1702806f4cc7c42a82fc2b38e89835fde7c64bb32060e0823c9077ca92efb7
                    • MD5 SHA1 SHA512 SSDEEP

                    data_3

                    • Path C:\Users\Admin\AppData\Local\launcher.retrac.site\EBWebView\Default\DawnWebGPUCache\data_3
                    • Size 8KB
                    • SHA256 e09f42c398d688dce168570291f1f92d079987deda3099a34adb9e8c0522b30c
                    • MD5 SHA1 SHA512 SSDEEP

                    MANIFEST-000001

                    • Path C:\Users\Admin\AppData\Local\launcher.retrac.site\EBWebView\Default\Extension Rules\MANIFEST-000001
                    • Size 41B
                    • SHA256 f9d31b278e215eb0d0e9cd709edfa037e828f36214ab7906f612160fead4b2b4
                    • MD5 SHA1 SHA512

                    SCT Auditing Pending Reports

                    • Path C:\Users\Admin\AppData\Local\launcher.retrac.site\EBWebView\Default\Network\SCT Auditing Pending Reports
                    • Size 2B
                    • SHA256 4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945
                    • MD5 SHA1 SHA512

                    CURRENT

                    • Path C:\Users\Admin\AppData\Local\launcher.retrac.site\EBWebView\Default\Site Characteristics Database\CURRENT
                    • Size 16B
                    • SHA256 0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443
                    • MD5 SHA1 SHA512

                    Local State

                    • Path C:\Users\Admin\AppData\Local\launcher.retrac.site\EBWebView\Local State
                    • Size 2KB
                    • SHA256 5941c87b0783c7bfe134233d15ef8e8a2927fec13b536ef1c03d97bed3eeeebe
                    • MD5 SHA1 SHA512 TLSH

                    Local State

                    • Path C:\Users\Admin\AppData\Local\launcher.retrac.site\EBWebView\Local State
                    • Size 3KB
                    • SHA256 4c243ddd0347d73c68ddaa8a62268262c0b3d9f38b19b346686774b916b4dee0
                    • MD5 SHA1 SHA512 TLSH

                    Local State

                    • Path C:\Users\Admin\AppData\Local\launcher.retrac.site\EBWebView\Local State
                    • Size 1KB
                    • SHA256 f8221d6b428b3ab83416052f1615cf117812689cb5435ef5ba40524760a27ba7
                    • MD5 SHA1 SHA512 TLSH

                    Local State~RFe585e86.TMP

                    • Path C:\Users\Admin\AppData\Local\launcher.retrac.site\EBWebView\Local State~RFe585e86.TMP
                    • Size 1KB
                    • SHA256 e0ff7371afa39f3ebc4939321376f4be9b10a7e410b6aa4c7a2a5eca5c36036e
                    • MD5 SHA1 SHA512 TLSH

                    e58461c.msi

                    • Path C:\Windows\Installer\e58461c.msi
                    • Size 13.9MB
                    • SHA256 8a01ae81a248625f271d5fc7c30bc279478b15ecb94bc8b79d9816ef48f4e04c
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    metadata-2

                    • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
                    • Size 24.1MB
                    • SHA256 2c3d889ab2584143827edb42e8474fd326751a28aa3420bbc9932707aabbd249
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    {ea483e24-8f42-44f5-895f-4174cc9b507d}_OnDiskSnapshotProp

                    • Path \??\Volume{0dfc9b49-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{ea483e24-8f42-44f5-895f-4174cc9b507d}_OnDiskSnapshotProp
                    • Size 6KB
                    • SHA256 5e02a71ecb91501930c58f21045534785d7b893d812165ff05e6b4bc7fce3f4e
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    memory/4536-112-0x00007FFADB330000-0x00007FFADB331000-memory.dmp

                    memory/4536-113-0x00007FFADA400000-0x00007FFADA401000-memory.dmp

                    memory/4760-69-0x00007FFADA6C0000-0x00007FFADA6C1000-memory.dmp

                    memory/4976-173-0x00007FFADA6C0000-0x00007FFADA6C1000-memory.dmp