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Analysis
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max time kernel
140s -
max time network
111s -
platform
windows10-2004_x64 -
resource
win10v2004-20240709-en -
resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system -
submitted
12/07/2024, 04:55
Static task
static1
Behavioral task
behavioral1
Sample
3c0c23f38683dff14ce4a256267ee6ae_JaffaCakes118.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
3c0c23f38683dff14ce4a256267ee6ae_JaffaCakes118.exe
Resource
win10v2004-20240709-en
General
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Target
3c0c23f38683dff14ce4a256267ee6ae_JaffaCakes118.exe
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Size
107KB
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MD5
3c0c23f38683dff14ce4a256267ee6ae
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SHA1
9f53699ce44ce4f5caabbe2c1ef9ea04a3ec83a5
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SHA256
4b0db9bb3f19f618461dcc9a6d4ed6e10bea4ffb8fbf1a2a1e56c52b6877cbbd
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SHA512
81776c595b36a70cb03293cac32eb52ff221cc564fe2a00c46eb39c0f8558c8fd05a1620b329b47832c5710c8e34082ecfdd65f6a5ffbc40fc47c477174cd702
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SSDEEP
3072:Q3hjK35Q6XhhvUXVzLgOKUbkc4BV0wXaTbNjKQGklIvi:Q3hwvLUX1jKUbktL2bNjK1ku
Malware Config
Signatures
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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-1-5-21-701583114-2636601053-947405450-1000\Control Panel\International\Geo\Nation 3c0c23f38683dff14ce4a256267ee6ae_JaffaCakes118.exe -
Loads dropped DLL 2 IoCs
pid Process 2344 3c0c23f38683dff14ce4a256267ee6ae_JaffaCakes118.exe 2344 3c0c23f38683dff14ce4a256267ee6ae_JaffaCakes118.exe -
resource yara_rule behavioral2/files/0x000900000001e0ba-13.dat upx behavioral2/memory/2344-17-0x0000000002FC0000-0x0000000003074000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\lphc38jj0ele5 = "C:\\Windows\\system32\\lphc38jj0ele5.exe" 3c0c23f38683dff14ce4a256267ee6ae_JaffaCakes118.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Drops file in System32 directory 2 IoCs
description ioc Process File created C:\Windows\SysWOW64\phc38jj0ele5.bmp 3c0c23f38683dff14ce4a256267ee6ae_JaffaCakes118.exe File created C:\Windows\SysWOW64\blphc38jj0ele5.scr 3c0c23f38683dff14ce4a256267ee6ae_JaffaCakes118.exe -
Sets desktop wallpaper using registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-701583114-2636601053-947405450-1000\Control Panel\Desktop\Wallpaper = "C:\\Windows\\system32\\phc38jj0ele5.bmp" 3c0c23f38683dff14ce4a256267ee6ae_JaffaCakes118.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Checks SCSI registry key(s) 3 TTPs 5 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Device Parameters vssvc.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Device Parameters vssvc.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Device Parameters\Partmgr vssvc.exe Set value (data) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Device Parameters\Partmgr\PartitionTableCache = 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 vssvc.exe Set value (data) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Device Parameters\Partmgr\SnapshotDataCache = 534e41505041525401000000700000008ec7416a0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 vssvc.exe -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 3c0c23f38683dff14ce4a256267ee6ae_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier 3c0c23f38683dff14ce4a256267ee6ae_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 3c0c23f38683dff14ce4a256267ee6ae_JaffaCakes118.exe -
Modifies Control Panel 8 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-701583114-2636601053-947405450-1000\Control Panel\Desktop\WallpaperStyle = "0" 3c0c23f38683dff14ce4a256267ee6ae_JaffaCakes118.exe Set value (str) \REGISTRY\USER\S-1-5-21-701583114-2636601053-947405450-1000\Control Panel\Desktop\TileWallpaper = "0" 3c0c23f38683dff14ce4a256267ee6ae_JaffaCakes118.exe Set value (str) \REGISTRY\USER\S-1-5-21-701583114-2636601053-947405450-1000\Control Panel\Desktop\OriginalWallpaper = "C:\\Windows\\system32\\phc38jj0ele5.bmp" 3c0c23f38683dff14ce4a256267ee6ae_JaffaCakes118.exe Set value (str) \REGISTRY\USER\S-1-5-21-701583114-2636601053-947405450-1000\Control Panel\Desktop\ConvertedWallpaper = "C:\\Windows\\system32\\phc38jj0ele5.bmp" 3c0c23f38683dff14ce4a256267ee6ae_JaffaCakes118.exe Set value (str) \REGISTRY\USER\S-1-5-21-701583114-2636601053-947405450-1000\Control Panel\Desktop\SCRNSAVE.EXE = "C:\\Windows\\system32\\blphc38jj0ele5.scr" 3c0c23f38683dff14ce4a256267ee6ae_JaffaCakes118.exe Set value (str) \REGISTRY\USER\S-1-5-21-701583114-2636601053-947405450-1000\Control Panel\Desktop\ScreenSaveActive = "1" 3c0c23f38683dff14ce4a256267ee6ae_JaffaCakes118.exe Set value (str) \REGISTRY\USER\S-1-5-21-701583114-2636601053-947405450-1000\Control Panel\Desktop\ScreenSaveTimeOut = "600" 3c0c23f38683dff14ce4a256267ee6ae_JaffaCakes118.exe Set value (str) \REGISTRY\USER\S-1-5-21-701583114-2636601053-947405450-1000\Control Panel\Colors\Background = "0 0 255" 3c0c23f38683dff14ce4a256267ee6ae_JaffaCakes118.exe -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-701583114-2636601053-947405450-1000_Classes\Local Settings 3c0c23f38683dff14ce4a256267ee6ae_JaffaCakes118.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2344 3c0c23f38683dff14ce4a256267ee6ae_JaffaCakes118.exe 2344 3c0c23f38683dff14ce4a256267ee6ae_JaffaCakes118.exe -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 2344 3c0c23f38683dff14ce4a256267ee6ae_JaffaCakes118.exe -
Suspicious use of AdjustPrivilegeToken 11 IoCs
description pid Process Token: SeBackupPrivilege 5108 vssvc.exe Token: SeRestorePrivilege 5108 vssvc.exe Token: SeAuditPrivilege 5108 vssvc.exe Token: SeBackupPrivilege 532 srtasks.exe Token: SeRestorePrivilege 532 srtasks.exe Token: SeSecurityPrivilege 532 srtasks.exe Token: SeTakeOwnershipPrivilege 532 srtasks.exe Token: SeBackupPrivilege 532 srtasks.exe Token: SeRestorePrivilege 532 srtasks.exe Token: SeSecurityPrivilege 532 srtasks.exe Token: SeTakeOwnershipPrivilege 532 srtasks.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2344 wrote to memory of 2928 2344 3c0c23f38683dff14ce4a256267ee6ae_JaffaCakes118.exe 85 PID 2344 wrote to memory of 2928 2344 3c0c23f38683dff14ce4a256267ee6ae_JaffaCakes118.exe 85 PID 2344 wrote to memory of 2928 2344 3c0c23f38683dff14ce4a256267ee6ae_JaffaCakes118.exe 85 -
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
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C:\Users\Admin\AppData\Local\Temp\3c0c23f38683dff14ce4a256267ee6ae_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\3c0c23f38683dff14ce4a256267ee6ae_JaffaCakes118.exe"1⤵
- Checks computer location settings
- Loads dropped DLL
- Adds Run key to start application
- Drops file in System32 directory
- Sets desktop wallpaper using registry
- Checks processor information in registry
- Modifies Control Panel
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:2344 -
C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\.ttBF77.tmp.vbs"2⤵PID:2928
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Checks SCSI registry key(s)
- Suspicious use of AdjustPrivilegeToken
PID:5108
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C:\Windows\system32\srtasks.exeC:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:21⤵
- Suspicious use of AdjustPrivilegeToken
PID:532
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C:\Windows\system32\srtasks.exeC:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:31⤵PID:1588
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1002B
MD59df700c8f6fd43fac0a89aef04214bbd
SHA16ec8bc6d4041ccf19757757c0da6592469f71c57
SHA2569ab6f2c3cc3965cd05f81d859bdfac3b25a5e70178f61ea677d31987c4e142fd
SHA5128bbcd322f3998c0f7d81884737ca313c1353ac7e3899f168fc8d44eafbe064193353b8b16f92113288ff2102c47623b542861440c414b8acf36d75c4ad645d4d
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Filesize
59KB
MD5538f9ead95eba12134d95b4fe7082331
SHA1527c50b92b5cededdd5b7e3edda71cb13d108dac
SHA256a416bab39037854c14540edaaf80cff7b5f2e9db31eee235527574e8dedd54e6
SHA5124631ff7cf868348585ee0e26591b95be3ee8b232c7980f5013f4464f285b0fbdef41794c44cb8653d6fb6dc815c0c0a9f4af780bfeb9b23d2f4c3bdc62bf4581