Overview
overview
7Static
static
3Boufbowl Fan.exe
windows10-2004-x64
7Boufbowl Fan.exe
windows11-ltsc_2024-x64
7$PLUGINSDI...ec.dll
windows10-2004-x64
3$PLUGINSDI...ec.dll
windows11-ltsc_2024-x64
3Jouer.cmd
windows10-2004-x64
3Jouer.cmd
windows11-ltsc_2024-x64
3flashplayer.exe
windows10-2004-x64
3flashplayer.exe
windows11-ltsc_2024-x64
3Analysis
- max time kernel
148s - max time network
154s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
22/10/2026, 20:11
Static task
static1
Behavioral task
behavioral1
Sample
Boufbowl Fan.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
Boufbowl Fan.exe
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/nsExec.dll
Resource
win10v2004-20260911-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/nsExec.dll
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral5
Sample
Jouer.cmd
Resource
win10v2004-20260911-en
Behavioral task
behavioral6
Sample
Jouer.cmd
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral7
Sample
flashplayer.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral8
Sample
flashplayer.exe
Resource
win11ltsc2024-20260911-en
General
- Target Jouer.cmd
- Size 669B
- Sample261022-yyefxabd85
- SHA256 1e682c43526392047f262f39651a815b5a367facd6ac00809fc77428da9b5fd9
- MD5 7814d71a80b6fb9401b593a3acd65faf
- SHA1 0be25024a72db89d3e808f58290e535903f72332
- SHA512 494bc18c47c27700c88e02b1d04605f313a251dcfad34379de76f3d4d10bc86cfff8cdc202b415daa18963058d8a65e7aca8e592dfad10b6d3cfa6b6ce9a1dad
- TLSH T1A601701334402F8A4C76008CDE1F06427165867A576F6DEAE99202BF503D29E6DD9A33
- MD5 SHA1 SHA512 TLSH
Malware Config
Signatures
- Executes a command shell one-liner 1 TTPs 1 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
pid Process 3908 cmd.exe - 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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language flashplayer.exe - Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 flashplayer.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz flashplayer.exe - Modifies registry class 43 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\FlashPlayer.AudioForFlashPlayer\shell\open\command flashplayer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.swf flashplayer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.spl flashplayer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\FlashPlayer.FlashVideo\shell flashplayer.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\FlashPlayer.AudioForFlashPlayer\shell\open\command\ = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\flashplayer.exe\" %1" flashplayer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.f4a flashplayer.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.f4a\ = "FlashPlayer.AudioForFlashPlayer" flashplayer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\FlashPlayer.ProtectedMediaForFlashPlayer\shell\open flashplayer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash\shell flashplayer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash\DefaultIcon flashplayer.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\FlashPlayer.FlashVideo\shell\open\command\ = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\flashplayer.exe\" %1" flashplayer.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\FlashPlayer.VideoForFlashPlayer\shell\open\command\ = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\flashplayer.exe\" %1" flashplayer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash\shell\open\command flashplayer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\FlashPlayer.FlashVideo\shell\open\command flashplayer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\FlashPlayer.AudioForFlashPlayer\DefaultIcon flashplayer.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.swf\ = "ShockwaveFlash.ShockwaveFlash" flashplayer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\FlashPlayer.AudioForFlashPlayer flashplayer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\FlashPlayer.AudioForFlashPlayer\shell flashplayer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\FlashPlayer.AudioForFlashPlayer\shell\open flashplayer.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\FlashPlayer.AudioForFlashPlayer\DefaultIcon\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\flashplayer.exe,-205" flashplayer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\FlashPlayer.ProtectedMediaForFlashPlayer\shell\open\command flashplayer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\FlashPlayer.VideoForFlashPlayer\DefaultIcon flashplayer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\FlashPlayer.FlashVideo\shell\open flashplayer.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\FlashPlayer.FlashVideo\DefaultIcon\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\flashplayer.exe,-202" flashplayer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\FlashPlayer.VideoForFlashPlayer\shell\open\command flashplayer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\FlashPlayer.VideoForFlashPlayer\shell flashplayer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\FlashPlayer.VideoForFlashPlayer\shell\open flashplayer.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\FlashPlayer.ProtectedMediaForFlashPlayer\shell\open\command\ = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\flashplayer.exe\" %1" flashplayer.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash\shell\open\command\ = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\flashplayer.exe\" %1" flashplayer.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.spl\ = "ShockwaveFlash.ShockwaveFlash" flashplayer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\FlashPlayer.FlashVideo\DefaultIcon flashplayer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\FlashPlayer.VideoForFlashPlayer flashplayer.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\FlashPlayer.VideoForFlashPlayer\DefaultIcon\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\flashplayer.exe,-203" flashplayer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\FlashPlayer.ProtectedMediaForFlashPlayer\shell flashplayer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash flashplayer.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash\DefaultIcon\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\flashplayer.exe,-608" flashplayer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\FlashPlayer.FlashVideo flashplayer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\FlashPlayer.ProtectedMediaForFlashPlayer\DefaultIcon flashplayer.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\FlashPlayer.ProtectedMediaForFlashPlayer\DefaultIcon\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\flashplayer.exe,-204" flashplayer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.f4p flashplayer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash\shell\open flashplayer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\FlashPlayer.ProtectedMediaForFlashPlayer flashplayer.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.f4p\ = "FlashPlayer.ProtectedMediaForFlashPlayer" flashplayer.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 5468 flashplayer.exe 5468 flashplayer.exe - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 3908 wrote to memory of 1728 3908 cmd.exe 85 PID 3908 wrote to memory of 5468 3908 cmd.exe 86
Processes
-
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\Jouer.cmd"1⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:3908 -
C:\Windows\system32\chcp.comchcp 650012⤵PID:1728
-
-
C:\Users\Admin\AppData\Local\Temp\flashplayer.exe"C:\Users\Admin\AppData\Local\Temp\flashplayer.exe" "C:\Users\Admin\AppData\Local\Temp\bin\boufbowl-client-1.9.6.swf"2⤵
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:5468
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Roaming\Macromedia\Flash Player\#Security\FlashPlayerTrust\boufbowl-client.cfg
- Size 36B
- SHA256 ad9e97b9f2190ba89ce6f4cc70f1c7b4a45d2603dac2c2cd81d0b30dac2c456f
- MD5 1c2349d78149035ec324ef221af89a7f
- SHA1 7a5fe3bccf80995db71879d39cebbb30e4758417
- SHA512 aadc21c0a490f21d1fbc61c7bc1ec5b58671590e8377bbdf69f94d2b2157c4ef3dbdc84ce31cf82cc74e87ca5b8b44a40699248e118895c042c2a324dd9393c1
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Roaming\Macromedia\Flash Player\#SharedObjects\BRW49VBB\localhost\BoufbowlBackend_Local_Player_https___boufbowl-fan_fr_api_.sol
- Size 168B
- SHA256 8712f724c104bd27575f929e4dab3b40ae7028f0567530036ccd288d7f8ba0ec
- MD5 124608df1521cfd00ef2f175e8ddd2e0
- SHA1 877824e6b68c1edebae3dc7c877bc8c08f0fea87
- SHA512 95238dd4f9b766b47503acf94fccd647f43d5669474cfae8579e987a68cb6d140fb91d0c93952553eda67e43c12559f0ff3ad233467cdbac1a149021bd39d09d
- TLSH T179C080FEBD09006DD21D602D9DF11998513B4555193451847C72516F19C7DEFC08715C
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Roaming\Macromedia\Flash Player\#SharedObjects\BRW49VBB\localhost\BoufbowlClient.sol
- Size 79B
- SHA256 fe9edb5b5a6783865546a549c7e7fcdff652944d1aec380ad5a08b67c96f74a9
- MD5 9ea1ddf8eb20b2d3ee817d38127e51c4
- SHA1 eb4d8d1dd06800f1a83b49f24d75c752d96986de
- SHA512 1ee525368e7a14a49e4470d4d9088e2b32a612615a730b92c39bf33cfcc50c99fd189f567a9b776a2b565ace9f373c7dbcfd0f428ad92803b1b2952735ab9e44
- TLSH T1EBA024C051704C3CC300133DC17CF1C451D00CD04117301704107F3F30440030F15144
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Roaming\Macromedia\Flash Player\macromedia.com\support\flashplayer\sys\settings.sxx
- Size 420B
- SHA256 976fe2a66dac73a986e42e87a67d9d26cb0057dd3e81f4eea4db44e691a4cf2c
- MD5 71638ffe66a0ac02476e354ec5cdd94f
- SHA1 d0c607e7806ed9968191b5cb32796e4f643a42cb
- SHA512 da47cfecfe8b4142321986e1ca28a2183656b0dd21bea6b9d2ddf7dda853698c04b0d43d061e7a12a3002bc087777c131026a574ebd5a394a3fa8e196143c43f
- TLSH T158E02BD66020C561D5664E392540726D2631EF2E31863C02509961615E8BDF6491B795
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Roaming\Macromedia\Flash Player\macromedia.com\support\flashplayer\sys\settings.sxx
- Size 1KB
- SHA256 e8afa5626c928aa5eafc154fbcbc928c387365e36c3041423fb1437510dd202b
- MD5 30deb2ee56019fadeff73f9895a1a12d
- SHA1 6203b273842cf00f9a59ae7aa912544fce69e399
- SHA512 b96be2c80279fc9f99d39f0520a83dd5a9bd36a57915623a3a1407c50d9a02b7798c4429fc0420c9b4b0a22da5ba3666f5e70c17c42c73a4caae30af3521be92
- TLSH T19A11CCD35E30C695D357733E6896106C27B0EF3F1127A8A2A4D100394D6E8FF8A26EA5
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Roaming\Macromedia\Flash Player\macromedia.com\support\flashplayer\sys\settings.sxx
- Size 446B
- SHA256 8bb45f7c96bdf0941fd3dc149e96dabb558c03fa0573012d38c01da1ebe29ad2
- MD5 45229fe2b2d9a130b622c83ae008b3a0
- SHA1 dbce80a2efccd8c1efe935c307a63ba57beb40bd
- SHA512 655c479d6546c8de4f38ee15cd52e206cd24476eb0fc90149be3cb0aaa4144f0575a39cd46befe149e8faf48153e95101ffc89a833ee9982bafd1d3cfaa50795
- TLSH T1E3F0A3D27010C561C5674E3D3050727C2531FF2E31C63C0254D951621E8BEF55D17784
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Roaming\Macromedia\Flash Player\openssl\cache\RevocationCacheFile.dat
- Size 1024B
- SHA256 5f70bf18a086007016e948b04aed3b82103a36bea41755b6cddfaf10ace3c6ef
- MD5 0f343b0931126a20f133d67c2b018a3b
- SHA1 60cacbf3d72e1e7834203da608037b1bf83b40e8
- SHA512 8efb4f73c5655351c444eb109230c556d39e2c7624e9c11abc9e3fb4b9b9254218cc5085b454a9698d085cfa92198491f07a723be4574adc70617b73eb0b6461
- MD5 SHA1 SHA512