Analysis
- max time kernel
149s - max time network
144s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
09/10/2026, 19:53
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
jaffacakes118_Trojan-Dropper.Win32.Small.dkt.exe
Resource
win10v2004-20260911-en
14 signatures
150 seconds
Behavioral task
behavioral2
Sample
jaffacakes118_Trojan-Dropper.Win32.Small.dkt.exe
Resource
win11ltsc2024-20260911-en
15 signatures
150 seconds
General
- Target jaffacakes118_Trojan-Dropper.Win32.Small.dkt.exe
- Size 19KB
- Sample261009-ymfjtsvs8n
- SHA256 315d5c481fde8f0c0886f90f42443268f69ba18831fca26bf0cd3a4df35bdc20
- MD5 b1b4bb88f62bced4ef15386f9dd82587
- SHA1 ba08dd7317a7f9370430e2d293b64e4592a0d879
- SHA512 aeb80a1d9e654828c2c14b8ad4d8b1e993f695c19c56184a92d288ab8846f55b2cf89f915e4b8d4f9d6a98875f0203cf87913b9cc8f01814dc1a8bfdb7c58683
- SSDEEP 384:u4Y8T8anvGdikoEPiEOst1dEB9ztmmEhBHeHU4r13R4gM2Q4KFOF:uq8anjkoEPiEOsTGtmmEhheFysQ4MW
- TLSH T1A092BFAAD4D3E5F3E9E591B410CBD7FC4736900ACCC14C3AD7169968242E6E327A3E24
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Modifies WinLogon for persistence 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe rundll32.exe calc.ifo beforemain" jaffacakes118_Trojan-Dropper.Win32.Small.dkt.exe - Deletes itself 1 TTPs 1 IoCs
pid Process 6120 svchost.exe - Loads dropped DLL 2 IoCs
pid Process 4108 jaffacakes118_Trojan-Dropper.Win32.Small.dkt.exe 6120 svchost.exe - Drops file in System32 directory 1 IoCs
description ioc Process File created C:\Windows\SysWOW64\calc.ifo jaffacakes118_Trojan-Dropper.Win32.Small.dkt.exe - 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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language jaffacakes118_Trojan-Dropper.Win32.Small.dkt.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.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 WINWORD.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz WINWORD.EXE - Enumerates system info in registry 2 TTPs 3 IoCs
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU WINWORD.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS WINWORD.EXE -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-4057491610-3392471755-192832105-1000\Software\Microsoft\Internet Explorer\Toolbar explorer.exe Set value (int) \REGISTRY\USER\S-1-5-21-4057491610-3392471755-192832105-1000\Software\Microsoft\Internet Explorer\Toolbar\Locked = "1" explorer.exe - Modifies registry class 26 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-4057491610-3392471755-192832105-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-4057491610-3392471755-192832105-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 02 explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-4057491610-3392471755-192832105-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 0100000000000000ffffffff explorer.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\idid\idid = "398514660" svchost.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{A8CDFF1C-4878-43be-B5FD-F8091C1C60D0}\Instance\ explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-4057491610-3392471755-192832105-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 00000000ffffffff explorer.exe Key created \REGISTRY\USER\S-1-5-21-4057491610-3392471755-192832105-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1 explorer.exe Key created \REGISTRY\USER\S-1-5-21-4057491610-3392471755-192832105-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags explorer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{374DE290-123F-4565-9164-39C4925E467B}\Instance\ explorer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{A0953C92-50DC-43bf-BE83-3742FED03C9C}\Instance\ explorer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\idid svchost.exe Set value (int) \REGISTRY\USER\S-1-5-21-4057491610-3392471755-192832105-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\NodeSlot = "2" explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-4057491610-3392471755-192832105-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\MRUListEx = ffffffff explorer.exe Key created \REGISTRY\USER\S-1-5-21-4057491610-3392471755-192832105-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\Shell explorer.exe Key created \REGISTRY\USER\S-1-5-21-4057491610-3392471755-192832105-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2 explorer.exe Set value (str) \REGISTRY\USER\S-1-5-21-4057491610-3392471755-192832105-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\Shell\SniffedFolderType = "Documents" explorer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{3ADD1653-EB32-4cb0-BBD7-DFA0ABB5ACCA}\Instance\ explorer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{B4BFCC3A-DB2C-424C-B029-7FE99A87C641}\Instance\ explorer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{A8CDFF1C-4878-43be-B5FD-F8091C1C60D0}\Instance\ explorer.exe Key created \REGISTRY\USER\S-1-5-21-4057491610-3392471755-192832105-1000_Classes\Local Settings explorer.exe Key created \REGISTRY\USER\S-1-5-21-4057491610-3392471755-192832105-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-4057491610-3392471755-192832105-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1 = 3a001f481cffcda87848be43b5fdf8091c1c60d0260001002600efbe11000000eacd2c1b4e42dd01c7c3c7725742dd0158d9b4785742dd0114000000 explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-4057491610-3392471755-192832105-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 0202 explorer.exe Key created \REGISTRY\USER\S-1-5-21-4057491610-3392471755-192832105-1000_Classes\NotificationData explorer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1CF1260C-4DD0-4ebb-811F-33C572699FDE}\Instance\ explorer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\ explorer.exe - Suspicious behavior: AddClipboardFormatListener 3 IoCs
pid Process 4320 WINWORD.EXE 4320 WINWORD.EXE 4284 explorer.exe - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 4284 explorer.exe - Suspicious behavior: MapViewOfSection 1 TTPs 1 IoCs
pid Process 4108 jaffacakes118_Trojan-Dropper.Win32.Small.dkt.exe - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4284 explorer.exe - Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 4320 WINWORD.EXE 4320 WINWORD.EXE 4320 WINWORD.EXE 4320 WINWORD.EXE 4284 explorer.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 4108 wrote to memory of 6120 4108 jaffacakes118_Trojan-Dropper.Win32.Small.dkt.exe 92
Processes
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C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-Dropper.Win32.Small.dkt.exe"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-Dropper.Win32.Small.dkt.exe"1⤵
- Modifies WinLogon for persistence
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:4108 -
C:\Windows\SysWOW64\svchost.exesvchost.exe2⤵
- Deletes itself
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Modifies registry class
PID:6120
-
-
C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /Automation -Embedding1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:4320
-
C:\Windows\explorer.exeexplorer.exe rundll32.exe calc.ifo beforemain1⤵
- Modifies registry class
PID:5716
-
C:\Windows\explorer.exeC:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding1⤵
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:4284
-
C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵PID:5008
Network
MITRE ATT&CK Enterprise v16
Privilege Escalation
Boot or Logon Autostart Execution
1Winlogon Helper DLL
1Process Injection
1Defense Evasion
Indicator Removal
1File Deletion
1Modify Registry
2Process Injection
1Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\B51.tmp
- Size 22KB
- SHA256 9ebc5fb6e112364e83ff370324008895bbe25779a4761b0dabf2b8176c9f1b65
- MD5 36c7d1bf00fc0de197ad0d22c3940492
- SHA1 5afd99078ee85152875434dbeafd7c21e9334648
- SHA512 7bea7a0636b9272d4269304f4c7e81cb5f14a28368cbd8cb3dba169c55430c9873d59e52c83166a84086f073d2fdbee2837b059b47cd264cd0e5e9de37a853f2
- SSDEEP 384:Xr2L5SzsDau76Ntk1rUxLIzQSZthULYzCn6R/RFkGJTi9kTi9:XaLIzsDN7Utk5OLXs8Yr5HpJTmkTm
- TLSH T1F7A2C32EFD1B44B2CD160B7403CFF53F031D6522D6518C31D750CA8ABA62A32B8EAB55
- MD5 SHA1 SHA512 SSDEEP TLSH