Analysis
- max time kernel
135s - max time network
106s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system - submitted
04/06/2024, 00:19
Static task
static1
Behavioral task
behavioral1
Sample
931b12be80c60acd76de1b96d4a90799_JaffaCakes118.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
931b12be80c60acd76de1b96d4a90799_JaffaCakes118.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral3
Sample
$EXEDIR/install_flash_player_21_plugin.exe
Resource
win7-20240508-en
Behavioral task
behavioral4
Sample
$EXEDIR/install_flash_player_21_plugin.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/SetupPlugin.dll
Resource
win7-20240508-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/SetupPlugin.dll
Resource
win10v2004-20240508-en
General
- Target 931b12be80c60acd76de1b96d4a90799_JaffaCakes118.exe
- Size 19.2MB
- Sample240604-amlh3sed9z
- SHA256 06c2ba2931b74c1ad30af2f8315ccbf06ad5e25aa472f8dd3c27456b739e2f1f
- MD5 931b12be80c60acd76de1b96d4a90799
- SHA1 6df652fa5e0f8646adfa79f3a821d18bb49c6b09
- SHA512 6570c72a23f3c114b98a1ff701c80a87c5f519e903a6a642441a322d80aa2b1a3144a698aa1df38fe21f7dbd1358e033a7516a38a716d6bd8b5292169025b76b
- SSDEEP 393216:6nmHYd25WMvHR8pkGs9DO2aLgNodHzCKRog5meGQvP/sW1f3J5:6mHXJHLp9qhGodHzCKRoQ/Pkuf3j
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
-
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA install_flash_player_21_plugin.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA InstallFlashPlayer.exe - Sets file execution options in registry 2 TTPs 12 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\FlashPlayerUpdateService.exe install_flash_player_21_plugin.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\FlashUtil64_21_0_0_242_Plugin.exe InstallFlashPlayer.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\FlashUtil64_21_0_0_242_Plugin.exe\DisableExceptionChainValidation = "0" InstallFlashPlayer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\FlashPlayerPlugin_21_0_0_242.exe InstallFlashPlayer.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\FlashPlayerPlugin_21_0_0_242.exe\DisableExceptionChainValidation = "0" InstallFlashPlayer.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\FlashUtil32_21_0_0_242_Plugin.exe\DisableExceptionChainValidation = "0" install_flash_player_21_plugin.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\FlashPlayerPlugin_21_0_0_242.exe\DisableExceptionChainValidation = "0" install_flash_player_21_plugin.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\FlashUtil32_21_0_0_242_Plugin.exe install_flash_player_21_plugin.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\FlashPlayerApp.exe install_flash_player_21_plugin.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\FlashPlayerApp.exe\DisableExceptionChainValidation = "0" install_flash_player_21_plugin.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\FlashPlayerUpdateService.exe\DisableExceptionChainValidation = "0" install_flash_player_21_plugin.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\FlashPlayerPlugin_21_0_0_242.exe install_flash_player_21_plugin.exe - Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation install_flash_player_21_plugin.exe - Drops file in System32 directory 11 IoCs
description ioc Process File created C:\Windows\SysWOW64\Macromed\Flash\FlashUtil32_21_0_0_242_Plugin.exe install_flash_player_21_plugin.exe File created C:\Windows\SysWOW64\Macromed\Flash\flashplayer.xpt install_flash_player_21_plugin.exe File created C:\Windows\SysWOW64\Macromed\Flash\FlashPlayerPlugin_21_0_0_242.exe install_flash_player_21_plugin.exe File created C:\Windows\SysWOW64\Macromed\Flash\FlashPlayerUpdateService.exe install_flash_player_21_plugin.exe File created C:\Windows\system32\Macromed\Flash\FlashUtil64_21_0_0_242_Plugin.exe InstallFlashPlayer.exe File created C:\Windows\system32\Macromed\Flash\plugin.vch InstallFlashPlayer.exe File opened for modification C:\Windows\system32\Macromed\Flash\FlashInstall.log InstallFlashPlayer.exe File created C:\Windows\SysWOW64\Macromed\Flash\NPSWF32_21_0_0_242.dll install_flash_player_21_plugin.exe File created C:\Windows\SysWOW64\Macromed\Flash\plugin.vch install_flash_player_21_plugin.exe File opened for modification C:\Windows\SysWOW64\Macromed\Flash\FlashInstall.log install_flash_player_21_plugin.exe File created C:\Windows\system32\Macromed\Flash\NPSWF64_21_0_0_242.dll InstallFlashPlayer.exe - Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Executes dropped EXE 3 IoCs
pid Process 1216 install_flash_player_21_plugin.exe 4736 InstallFlashPlayer.exe 2804 FlashPlayerUpdateService.exe - Loads dropped DLL 6 IoCs
pid Process 1216 install_flash_player_21_plugin.exe 1216 install_flash_player_21_plugin.exe 1216 install_flash_player_21_plugin.exe 4736 InstallFlashPlayer.exe 4736 InstallFlashPlayer.exe 4824 931b12be80c60acd76de1b96d4a90799_JaffaCakes118.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 1216 install_flash_player_21_plugin.exe 1216 install_flash_player_21_plugin.exe 4736 InstallFlashPlayer.exe 4736 InstallFlashPlayer.exe - Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 1216 install_flash_player_21_plugin.exe 4736 InstallFlashPlayer.exe 4736 InstallFlashPlayer.exe - Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 4824 wrote to memory of 1216 4824 931b12be80c60acd76de1b96d4a90799_JaffaCakes118.exe 86 PID 4824 wrote to memory of 1216 4824 931b12be80c60acd76de1b96d4a90799_JaffaCakes118.exe 86 PID 4824 wrote to memory of 1216 4824 931b12be80c60acd76de1b96d4a90799_JaffaCakes118.exe 86 PID 1216 wrote to memory of 4736 1216 install_flash_player_21_plugin.exe 93 PID 1216 wrote to memory of 4736 1216 install_flash_player_21_plugin.exe 93 PID 1216 wrote to memory of 2804 1216 install_flash_player_21_plugin.exe 97 PID 1216 wrote to memory of 2804 1216 install_flash_player_21_plugin.exe 97 PID 1216 wrote to memory of 2804 1216 install_flash_player_21_plugin.exe 97
Processes
-
C:\Users\Admin\AppData\Local\Temp\931b12be80c60acd76de1b96d4a90799_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\931b12be80c60acd76de1b96d4a90799_JaffaCakes118.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:4824 -
C:\Users\Admin\AppData\Local\Temp\install_flash_player_21_plugin.exeC:\Users\Admin\AppData\Local\Temp\install_flash_player_21_plugin.exe /install2⤵
- Checks whether UAC is enabled
- Sets file execution options in registry
- Checks computer location settings
- Drops file in System32 directory
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1216 -
C:\Users\Admin\AppData\Local\Temp\{14B7FAE5-54C1-4573-A6CB-C0CA45463C2B}\InstallFlashPlayer.exe"C:\Users\Admin\AppData\Local\Temp\{14B7FAE5-54C1-4573-A6CB-C0CA45463C2B}\InstallFlashPlayer.exe" -install -skipARPEntry -iv 1 -au 42949672953⤵
- Checks whether UAC is enabled
- Sets file execution options in registry
- Drops file in System32 directory
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:4736
-
-
C:\Windows\SysWOW64\Macromed\Flash\FlashPlayerUpdateService.exeC:\Windows\SysWOW64\Macromed\Flash\FlashPlayerUpdateService.exe -install3⤵
- Executes dropped EXE
PID:2804
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Temp\install_flash_player_21_plugin.exe
- Size 19.0MB
- SHA256 6b87a45ba965672d9cc4270668dff74e1307a3a8c207ba727c88fd92e76e6c0b
- MD5 e9fbb2a2c30af313c6ed70d77c2c674b
- SHA1 1dc0aff30de4577aa9870be61f16d6614ac22a8e
- SHA512 bfe25c8960670bcfc1ca7d0d162c8a38addd1a92f1869628c4252e60fa0977da50fbfab1a7b7594c729f189cfa00781e762d5a78f53e1eac659c3ba80997d745
- SSDEEP 393216:/pGhrKnwYcEqtKfVAGx2U8yP9LQzXIDmmlsrtnOdZBj3TH/m4:/QhrGvcEqtuiABQjEmWBj3Tfm4
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\nss6776.tmp\SetupPlugin.dll
- Size 136KB
- SHA256 7f90c32afe9ccce50d99f845ee3639aa36ce85f7be69ba2777ffc3a466d93900
- MD5 5508dca735abb51f7eda223ed487e43f
- SHA1 2f2ac64e4900e8d5217124dd06ed790494e2dcd2
- SHA512 9b3d2d41c3e03ed5c7d16fdb95b7f2e229f1dd7330f9d93c6a415a06e2492346b5ac0e15a977fdfba94e58dc33c6dda8911ec76ed390d191ef3e36ceb0c48c30
- SSDEEP 1536:YnN4PBdeANfP1rP9zv7WB3QF8OaAALJ2MV2i42nFbjj5mFMLwawAt5a:YN4PmmhWdmHtqIik6LvwAt5a
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\{14B7FAE5-54C1-4573-A6CB-C0CA45463C2B}\InstallFlashPlayer.exe
- Size 9.6MB
- SHA256 d54e8b7ae9a58ab07ab314b6d76113722478d5a8d0b5510059fa59013d3e56e7
- MD5 6da9d49355b84e28406c366f5dbe2266
- SHA1 45f20fcd9d1b044d067a072eeda6714b668ea2ab
- SHA512 62b49d970865b14f5ed573b03a7038c9a741a64ae9fd3788486ca07f99a538fdcd7e783111375be80d01aeb5adfe8bbab5b58cc8957d5348ce94122af259f5a8
- SSDEEP 196608:SXdrxqfnQi2woHUyO6Q2YYKZhddTG+aYBilNrpIhjd1+bdZamRBeLQG:StNqfnTA0ykYShdhaYBilNehjXGZa7H
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\{8E816F90-B935-43DF-8B3C-EF340EA42029}\fpb.tmp
- Size 502KB
- SHA256 70aacf8652f630ed6d326a7ca67e2bc00150636edb88a2a30c991492b4ff226a
- MD5 b00370ee8c9929aa9903e5e7f1ab69b2
- SHA1 97cb0204faedebc58aa068bdfe12585175f3e63b
- SHA512 c35bc325f6ec0905e4778cd7c2cf29ce81b2336e2d2a861ede8bd9435fa1e5104796b057fa9f726e2b0de1efddca77de5f30b5ea244a02f2abdd6d5e46252858
- SSDEEP 6144:QOxOpYdG1+HhllKfiqnWYh21pSWyZTB/+KI9CuaOWyoImBm9c:RQpYdbHJIiqnFSE5ZTW979c
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\{A09D36AA-CBBB-4C79-8D38-3EFF12987A6C}\fpb.tmp
- Size 570KB
- SHA256 a77635bf5ad7a403464c416fe493c881b1ec9e9b7b64cf1f83008c1df2187a74
- MD5 7514453e41917d380687254135ddc45f
- SHA1 d12cb601080031b5eb72d90500fb414cd71502ae
- SHA512 7a10a626382f2a3d6181a9e9c7f7daee8f48d9bffb64d43d825f70da61b1da172c2a51f20e5b7ade8a1623d4d58da92abaab67adf3082b7257f51392600082c1
- SSDEEP 6144:1V54Bzm8clVRzD4RtSpDy8iLdBys7zPO8dDJZYX30XTBLXrwLVIs7C5+OWyoImBT:1VuMjlVRDESs7xvm8h4EXTdMBl
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\{A0E47CBA-CC75-40AE-B1F5-A85CADA58F4A}\fpb.tmp
- Size 1.1MB
- SHA256 7952447b0bcff6b31ac22093d297725a4389dd4f8268b296ea11ad19a71cd939
- MD5 7bdd7f9700b2c4d83a5ced516655b1db
- SHA1 fc14262aa008aa0a1e84324414c4dd2fb937c684
- SHA512 6e01552014577d3c60bdf2ab5335d34389c73d768c8a7d2be884fda4c5c398457fa8560284a548700465ea4ce39b10dd05472c1e06a9eccf9b6b8b8bda66f2f0
- SSDEEP 24576:/qB1TD76fG63yAlmm8hzIaWbSFVXPAR7UAnmK:/azS2T9pXARBmK
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\{D1102326-7012-48F5-980A-4D9B2CBB29FA}\fpb.tmp
- Size 866KB
- SHA256 6ebaa6267a8eea53767b9ed306d0989f63a3873f8212feda54edf47a8a0edfaa
- MD5 e42c1599eed5841c72343676a37e3c39
- SHA1 d1ca41ba444613bce88d82bee4b635ba53f9c0bc
- SHA512 d0d30d3ddab73e7259a2f88edd1e3cfd9d9ff94658ac834b195c1de316633cc1b0a1c47e0f71650a045e192e34177df88313b2d20f5c823ed255e917055b84dd
- SSDEEP 12288:T7rNGkEtxrD4AAAAAAAAAAAAAAAXAbAAAAAAAAAAAAAAAAAAAAAbAAAgAxAAAAAO:T3NxEtBB1tuXfR/gIS0
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\SysWOW64\Macromed\Flash\FlashPlayerUpdateService.exe
- Size 263KB
- SHA256 71b37a9ceae5ab1b069fb010bc547e14445461885b74fa879e63f9f2daf644a5
- MD5 6a050671f2c76fb48131f12786802807
- SHA1 3dc031ef00b20441aa254db34e3b14c305c6a864
- SHA512 7237a964c36d51ba86445f22ebf6314615ed8ebf036443cee98f6c2e50ce3fdfe5cedf2d96eb8f0a8bdf6117700511248cec3da10249bffe0d7a776e7ac2e721
- SSDEEP 6144:aFYr9RicEe70Tp/xyATTiLMt+lZLux+mM7rDUv:aFYJTcp/xyQi/l37rDG
- MD5 SHA1 SHA512 SSDEEP