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
149s - max time network
159s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-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 1644 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\ShockwaveFlash.ShockwaveFlash\shell\open\command flashplayer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash flashplayer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\FlashPlayer.FlashVideo flashplayer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\FlashPlayer.VideoForFlashPlayer\shell\open\command 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\FlashPlayer.AudioForFlashPlayer 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\FlashPlayer.ProtectedMediaForFlashPlayer\DefaultIcon\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\flashplayer.exe,-204" flashplayer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash\shell\open 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 Key created \REGISTRY\MACHINE\SOFTWARE\Classes\FlashPlayer.AudioForFlashPlayer\shell flashplayer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\FlashPlayer.AudioForFlashPlayer\shell\open flashplayer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.f4a flashplayer.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.f4a\ = "FlashPlayer.AudioForFlashPlayer" 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\.swf\ = "ShockwaveFlash.ShockwaveFlash" flashplayer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\FlashPlayer.FlashVideo\DefaultIcon flashplayer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\FlashPlayer.VideoForFlashPlayer\DefaultIcon 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\DefaultIcon flashplayer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash\DefaultIcon flashplayer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\FlashPlayer.FlashVideo\shell\open flashplayer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\FlashPlayer.VideoForFlashPlayer flashplayer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\FlashPlayer.VideoForFlashPlayer\shell\open flashplayer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\FlashPlayer.AudioForFlashPlayer\shell\open\command 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 flashplayer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.spl flashplayer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\FlashPlayer.VideoForFlashPlayer\shell flashplayer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\FlashPlayer.ProtectedMediaForFlashPlayer\shell\open\command flashplayer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\FlashPlayer.ProtectedMediaForFlashPlayer 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\FlashPlayer.FlashVideo\shell\open\command flashplayer.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\FlashPlayer.FlashVideo\DefaultIcon\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\flashplayer.exe,-202" flashplayer.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.f4p\ = "FlashPlayer.ProtectedMediaForFlashPlayer" flashplayer.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.spl\ = "ShockwaveFlash.ShockwaveFlash" 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\.f4p 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\.swf flashplayer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\FlashPlayer.AudioForFlashPlayer\DefaultIcon flashplayer.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 3796 flashplayer.exe 3796 flashplayer.exe - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 1644 wrote to memory of 4068 1644 cmd.exe 90 PID 1644 wrote to memory of 3796 1644 cmd.exe 91
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:1644 -
C:\Windows\system32\chcp.comchcp 650012⤵PID:4068
-
-
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:3796
-
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\5JKX3DNK\localhost\BoufbowlBackend_Local_Player_https___boufbowl-fan_fr_api_.sol
- Size 168B
- SHA256 e90009b7d207f9cc65cad2708e1b3b2cccb08e86705f8e1e3b39f04dd703b9e8
- MD5 7e6b5edb0a29cc5d8767de8cbb04429c
- SHA1 520265cd59fe4e432320a8ccee919f40e6a8d283
- SHA512 556922411608333005719d00ee8f1260a6458854718a6c2f011e6a1e33279fc5413d2a51c033b97d5ea7e6ae6e6fabdc97625169e3c3f7b075ac201061adcf40
- TLSH T123C080D77D151015C35E64255FF21D98A43B840D551050442576706719877DE808359C
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Roaming\Macromedia\Flash Player\#SharedObjects\5JKX3DNK\localhost\BoufbowlClient.sol
- Size 80B
- SHA256 88206a335c5b5a271749d6f65374902492b4a1f6796551167ba3194694b463d5
- MD5 8bda6740cd815c5fd857c6dfe9f83d4a
- SHA1 3d270321d0545d1e2e8f7263c8318d5c1af8ccbb
- SHA512 8f4acf2bf6ca9c0712d0f34257e9ae2378c0d5e13d6dbd98eba6fcbadb4dd60bf418828164249ff5e0025033145019ce293b1815971d20b87d6cbfbef88f2211
- TLSH T19FA012E01520C635C1411A36C3D6B40021D0A4604C5B10452104170E285100296052E1
- 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 b9d12764696338181d6f7f88026060cc15021b4f4bea9e8cc1eb01c4a7781a4c
- MD5 986ca99e0c4ea46eb3c0f75e83cc66ce
- SHA1 b58d8da4fcb99f1a57fa903f9aeb6e41883ab474
- SHA512 5104f3a044650901dc248d5920c6e268500d1e33a8929c94768822803b02cf69af6571b7d2bb38cd9ab8aaa552d5e54462f362956a41a693c2477867c18a5ff1
- TLSH T15F11FCD31E30C695C327733E6896106C27B0DF3F2227A892A4D100394D6E8FF8626EA1
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Roaming\Macromedia\Flash Player\macromedia.com\support\flashplayer\sys\settings.sxx
- Size 446B
- SHA256 628c1f121392a2c93a32b02b1b5cab36e786d4aba2c9d1d0bc4ed5ba55e4a8c7
- MD5 3b00a50a95ae474e40a012b9f816c22c
- SHA1 cbc71ff629395b7cd46918e02347333006e614b2
- SHA512 ac42d3d83721cde7bc48b95580ff49734077ba2175131c6f33b527a053f0bb4585a694ffb86d3120fc52bd2125a73aa96663990a8039b25c33c9df0543e5dafb
- TLSH T1F5F0A3C67020C5A1D5774E3D3040727C2931FF2E31867C0254D951610E8BDF54917785
- 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