Analysis

  • user interaction
    yes
  • max time kernel
    477s
  • max time network
    554s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    23/08/2026, 23:22

General

  • Target
    StemLab-Setup-0.9.9.exe
  • Size 1674.9MB
  • Sample260823-3czbeabe39
  • SHA256 7801eb0cc3c9d59a1382be563ac79eaffae3aa98b1a8baea9897dbd7d36c35f4
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Inno Setup is an open-source installation builder for Windows applications. 3 IoCs

    Inno Setup installer

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

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

  • Checks processor information in registry 2 TTPs 4 IoCs

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

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\StemLab-Setup-0.9.9.exe
    "C:\Users\Admin\AppData\Local\Temp\StemLab-Setup-0.9.9.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5020
    • C:\Users\Admin\AppData\Local\Temp\is-EMW76XJ3GX.tmp\StemLab-Setup-0.9.9.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-EMW76XJ3GX.tmp\StemLab-Setup-0.9.9.tmp" /SL5="$502CA,1753665555,957440,C:\Users\Admin\AppData\Local\Temp\StemLab-Setup-0.9.9.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3632
      • C:\Users\Admin\AppData\Local\Programs\StemLab\StemLab.exe
        "C:\Users\Admin\AppData\Local\Programs\StemLab\StemLab.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:1872
  • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe
    "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca
    1⤵
    • Enumerates system info in registry
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:2792
  • C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --message-loop-type-ui --force-high-res-timeticks=disabled --metrics-shmem-handle=5588,i,5745994486316145103,18096483013800577271,524288 --field-trial-handle=1960,i,13088069629290216405,12336415750006792294,262144 --variations-seed-version=20260513-170108.306000-production --mojo-platform-channel-handle=5512 /prefetch:14
    1⤵
      PID:3312
    • C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --message-loop-type-ui --force-high-res-timeticks=disabled --metrics-shmem-handle=5536,i,357797957735367581,3994694088769057107,524288 --field-trial-handle=1960,i,13088069629290216405,12336415750006792294,262144 --variations-seed-version=20260513-170108.306000-production --mojo-platform-channel-handle=5888 /prefetch:14
      1⤵
        PID:2844
      • C:\Program Files\Google\Chrome\Application\chrome.exe
        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --message-loop-type-ui --force-high-res-timeticks=disabled --metrics-shmem-handle=5528,i,13435522703222226247,15265210074158685369,524288 --field-trial-handle=1960,i,13088069629290216405,12336415750006792294,262144 --variations-seed-version=20260513-170108.306000-production --mojo-platform-channel-handle=5928 /prefetch:14
        1⤵
          PID:4428
        • C:\Windows\system32\taskmgr.exe
          "C:\Windows\system32\taskmgr.exe" /0
          1⤵
          • Checks SCSI registry key(s)
          • Checks processor information in registry
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: GetForegroundWindowSpam
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SendNotifyMessage
          PID:4104
        • C:\Windows\System32\rundll32.exe
          C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
          1⤵
            PID:700
          • C:\Windows\system32\perfmon.exe
            "C:\Windows\system32\perfmon.exe" /res
            1⤵
            • Checks processor information in registry
            • Suspicious behavior: GetForegroundWindowSpam
            • Suspicious use of AdjustPrivilegeToken
            PID:4852

          Network

                MITRE ATT&CK Enterprise v16

                Replay Monitor

                Loading Replay Monitor...

                Downloads

                thPJQYNU66.jpg

                • Path C:\Users\Admin\AppData\Local\Packages\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\AC\INetCache\RHAWU5XH\thPJQYNU66.jpg
                • Size 626B
                • SHA256 706d1812a041125ca3fbb6adc976181494f57d189df778eddb2aa4a0bb56d3db
                • MD5 SHA1 SHA512 TLSH

                www.bing[1].xml

                • Path C:\Users\Admin\AppData\Local\Packages\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\AC\Microsoft\Internet Explorer\DOMStore\IMEQ2EM9\www.bing[1].xml
                • Size 73KB
                • SHA256 0f18cfc75b87ede3021796992da744effc83033ff622247778ae953eb695e25f
                • MD5 SHA1 SHA512 SSDEEP TLSH

                www.bing[1].xml

                • Path C:\Users\Admin\AppData\Local\Packages\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\AC\Microsoft\Internet Explorer\DOMStore\IMEQ2EM9\www.bing[1].xml
                • Size 44KB
                • SHA256 79d383f3fbc6499378d72611d400c22c8d8ba79e4bd1aa4dbfba2b288fe1b46e
                • MD5 SHA1 SHA512 SSDEEP TLSH

                www.bing[1].xml

                • Path C:\Users\Admin\AppData\Local\Packages\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\AC\Microsoft\Internet Explorer\DOMStore\IMEQ2EM9\www.bing[1].xml
                • Size 88KB
                • SHA256 7e3177889eabe917b5d73f8486ded98ae562dbc80e27acc6c173233f503cf359
                • MD5 SHA1 SHA512 SSDEEP TLSH

                www.bing[1].xml

                • Path C:\Users\Admin\AppData\Local\Packages\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\AC\Microsoft\Internet Explorer\DOMStore\IMEQ2EM9\www.bing[1].xml
                • Size 14KB
                • SHA256 6afd59b709e12dd67a415782ce7e0966666bfcfdc0459c41e2c34a988b528349
                • MD5 SHA1 SHA512 SSDEEP TLSH

                StemLab.exe

                • Path C:\Users\Admin\AppData\Local\Programs\StemLab\StemLab.exe
                • Size 8.1MB
                • SHA256 ffa9c6d4677f4ac49010b40643da2c56d38a843d548c00a4c7ac309973d4b006
                • MD5 SHA1 SHA512 SSDEEP TLSH

                is-0KN5N1QM7H.tmp

                • Path C:\Users\Admin\AppData\Local\StemLab\Engine\Lib\site-packages\beartype-0.22.9.dist-info\is-0KN5N1QM7H.tmp
                • Size 4B
                • SHA256 ceebae7b8927a3227e5303cf5e0f1f7b34bb542ad7250ac03fbcde36ec2f1508
                • MD5 SHA1 SHA512

                is-N4Z4P50GTN.tmp

                • Path C:\Users\Admin\AppData\Local\StemLab\Engine\Lib\site-packages\fsspec-2026.7.0.dist-info\is-N4Z4P50GTN.tmp
                • Size 87B
                • SHA256 942926c567d0b1273d09f20295879abd37507845f6b683eab9f87d808df91100
                • MD5 SHA1 SHA512 TLSH

                is-5E5DVU8LG0.tmp

                • Path C:\Users\Admin\AppData\Local\StemLab\Engine\Lib\site-packages\julius-0.2.8.dist-info\is-5E5DVU8LG0.tmp
                • Size 87B
                • SHA256 aad0b0a12256807936d52d4a6f88a1773236ae527564a688bab4e3fe780e8724
                • MD5 SHA1 SHA512 TLSH

                is-IZOWW1Y32A.tmp

                • Path C:\Users\Admin\AppData\Local\StemLab\Engine\Lib\site-packages\packaging-26.3.dist-info\is-IZOWW1Y32A.tmp
                • Size 82B
                • SHA256 1b68144734c4b66791f27add5d425f3620775585718a03d0f9b110ba3a4d88db
                • MD5 SHA1 SHA512 TLSH

                is-MDNFXFYM67.tmp

                • Path C:\Users\Admin\AppData\Local\StemLab\Engine\Lib\site-packages\packaging-26.3.dist-info\licenses\is-MDNFXFYM67.tmp
                • Size 9KB
                • SHA256 0d542e0c8804e39aa7f37eb00da5a762149dc682d7829451287e11b938e94594
                • MD5 SHA1 SHA512 SSDEEP TLSH

                is-8LLUSGCCMS.tmp

                • Path C:\Users\Admin\AppData\Local\StemLab\Engine\Lib\site-packages\pkg_resources\tests\data\my-test-package_unpacked-egg\my_test_package-1.0-py3.7.egg\EGG-INFO\is-8LLUSGCCMS.tmp
                • Size 1B
                • SHA256 01ba4719c80b6fe911b091a7c05124b64eeece964e09c058ef8f9805daca546b
                • MD5 SHA1 SHA512

                is-MANYDBED3R.tmp

                • Path C:\Users\Admin\AppData\Local\StemLab\Engine\Lib\site-packages\sphn-0.2.1.dist-info\licenses\is-MANYDBED3R.tmp
                • Size 11KB
                • SHA256 1eb85fc97224598dad1852b5d6483bbcf0aa8608790dcc657a5a2a761ae9c8c6
                • MD5 SHA1 SHA512 SSDEEP TLSH

                is-AL9K92L5WK.tmp

                • Path C:\Users\Admin\AppData\Local\StemLab\Engine\Lib\site-packages\torch\_functorch\_activation_checkpointing\is-AL9K92L5WK.tmp
                • Size 211B
                • SHA256 2503152d1a0508aa3adbd290ff5beee22d74466930c3c1163326670cb1065da8
                • MD5 SHA1 SHA512 TLSH

                is-736P9FRGW2.tmp

                • Path C:\Users\Admin\AppData\Local\StemLab\Engine\Lib\site-packages\torch\ao\nn\qat\is-736P9FRGW2.tmp
                • Size 38B
                • SHA256 b04fb4aaf5e74d8e629432aec768d9ba4371ce4791f86da6941a79b2cd9be329
                • MD5 SHA1 SHA512

                is-7V0Q18DYEG.tmp

                • Path C:\Users\Admin\AppData\Local\StemLab\Engine\Lib\site-packages\torch\include\ATen\ops\is-7V0Q18DYEG.tmp
                • Size 701B
                • SHA256 617ece9df35bfec1f4b2139e84ae4889c52c980faaa907203ec579977995c667
                • MD5 SHA1 SHA512 TLSH

                is-AMTSDDSO1W.tmp

                • Path C:\Users\Admin\AppData\Local\StemLab\Engine\Lib\site-packages\tqdm-4.70.0.dist-info\is-AMTSDDSO1W.tmp
                • Size 91B
                • SHA256 2b6eb4118ce7cd7b09601406aa623c553c4476265836f0d9c16f5c061f7efcc0
                • MD5 SHA1 SHA512 TLSH

                is-0INKAZJ0XT.tmp

                • Path C:\Users\Admin\AppData\Local\StemLab\Engine\Scripts\is-0INKAZJ0XT.tmp
                • Size 105KB
                • SHA256 3f300c8e0c2ca0a83456eebeaebf310f0a31a3fe5e0dd25fdbb754d5177e2c4f
                • MD5 SHA1 SHA512 SSDEEP TLSH

                StemLab-Setup-0.9.9.tmp

                • Path C:\Users\Admin\AppData\Local\Temp\is-EMW76XJ3GX.tmp\StemLab-Setup-0.9.9.tmp
                • Size 5.0MB
                • SHA256 d0ecb1daa8c480bc1fc8b6eb2fa535e10ae69ed2d7f6aa3c6a1c1fdbb7f0fcb5
                • MD5 SHA1 SHA512 SSDEEP TLSH

                memory/2792-41669-0x000002B678D50000-0x000002B678D70000-memory.dmp

                memory/2792-40058-0x000002B67C8F0000-0x000002B67C9F0000-memory.dmp

                memory/2792-41462-0x000002B67D160000-0x000002B67D260000-memory.dmp

                memory/2792-41735-0x000002B678D50000-0x000002B678D70000-memory.dmp

                memory/2792-40871-0x000002B677C00000-0x000002B677C20000-memory.dmp

                memory/2792-40870-0x000002B678180000-0x000002B6781A0000-memory.dmp

                memory/2792-185-0x000002B678A80000-0x000002B678AA0000-memory.dmp

                memory/2792-40845-0x000002B564620000-0x000002B564720000-memory.dmp

                memory/2792-40839-0x000002B67F800000-0x000002B67F900000-memory.dmp

                memory/2792-40627-0x000002B67CBB0000-0x000002B67CBD0000-memory.dmp

                memory/2792-157-0x000002B67A1D0000-0x000002B67A2D0000-memory.dmp

                memory/2792-41463-0x000002B678F00000-0x000002B679000000-memory.dmp

                memory/2792-40054-0x000002B6799D0000-0x000002B679AD0000-memory.dmp

                memory/2792-40055-0x000002B67D160000-0x000002B67D260000-memory.dmp

                memory/2792-40051-0x000002B6799D0000-0x000002B679AD0000-memory.dmp

                memory/2792-40052-0x000002B67D160000-0x000002B67D260000-memory.dmp

                memory/2792-68-0x000002B5658E0000-0x000002B565900000-memory.dmp

                memory/2792-39854-0x000002B680360000-0x000002B680460000-memory.dmp

                memory/2792-66-0x000002B677CE0000-0x000002B677D00000-memory.dmp

                memory/2792-31-0x000002B565900000-0x000002B565A00000-memory.dmp

                memory/2792-15-0x000002B5647D0000-0x000002B5648D0000-memory.dmp

                memory/3632-35286-0x0000000000EB0000-0x00000000013D1000-memory.dmp

                memory/3632-30494-0x0000000000EB0000-0x00000000013D1000-memory.dmp

                memory/3632-39551-0x0000000000EB0000-0x00000000013D1000-memory.dmp

                memory/3632-39562-0x0000000000EB0000-0x00000000013D1000-memory.dmp

                memory/3632-5-0x0000000003260000-0x0000000003261000-memory.dmp

                memory/3632-251-0x0000000003260000-0x0000000003261000-memory.dmp

                memory/3632-250-0x0000000000EB0000-0x00000000013D1000-memory.dmp

                memory/3632-1294-0x0000000000EB0000-0x00000000013D1000-memory.dmp

                memory/3632-6924-0x0000000000EB0000-0x00000000013D1000-memory.dmp

                memory/3632-11690-0x0000000000EB0000-0x00000000013D1000-memory.dmp

                memory/3632-17544-0x0000000000EB0000-0x00000000013D1000-memory.dmp

                memory/3632-24682-0x0000000000EB0000-0x00000000013D1000-memory.dmp

                memory/3632-39557-0x0000000000EB0000-0x00000000013D1000-memory.dmp

                memory/3632-35198-0x0000000000EB0000-0x00000000013D1000-memory.dmp

                memory/3632-35200-0x0000000000EB0000-0x00000000013D1000-memory.dmp

                memory/3632-35288-0x0000000000EB0000-0x00000000013D1000-memory.dmp

                memory/3632-35208-0x0000000000EB0000-0x00000000013D1000-memory.dmp

                memory/3632-35284-0x0000000000EB0000-0x00000000013D1000-memory.dmp

                memory/3632-35242-0x0000000000EB0000-0x00000000013D1000-memory.dmp

                memory/3632-35236-0x0000000000EB0000-0x00000000013D1000-memory.dmp

                memory/3632-35224-0x0000000000EB0000-0x00000000013D1000-memory.dmp

                memory/3632-35214-0x0000000000EB0000-0x00000000013D1000-memory.dmp

                memory/4104-39576-0x000001F470350000-0x000001F470351000-memory.dmp

                memory/4104-39570-0x000001F470350000-0x000001F470351000-memory.dmp

                memory/4104-39571-0x000001F470350000-0x000001F470351000-memory.dmp

                memory/4104-39573-0x000001F470350000-0x000001F470351000-memory.dmp

                memory/4104-39574-0x000001F470350000-0x000001F470351000-memory.dmp

                memory/4104-39575-0x000001F470350000-0x000001F470351000-memory.dmp

                memory/4104-39572-0x000001F470350000-0x000001F470351000-memory.dmp

                memory/4104-39566-0x000001F470350000-0x000001F470351000-memory.dmp

                memory/4104-39565-0x000001F470350000-0x000001F470351000-memory.dmp

                memory/4104-39564-0x000001F470350000-0x000001F470351000-memory.dmp

                memory/5020-0-0x0000000000850000-0x0000000000948000-memory.dmp

                memory/5020-249-0x0000000000850000-0x0000000000948000-memory.dmp

                memory/5020-39563-0x0000000000850000-0x0000000000948000-memory.dmp