Analysis
- max time kernel
150s - max time network
116s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
18/09/2026, 00:26
Behavioral task
behavioral1
Sample
jaffacakes118__d5006a7f3cbb677c993710ade7c7cc85.dll
Resource
win10v2004-20260911-en
17 signatures
150 seconds
General
- Target jaffacakes118__d5006a7f3cbb677c993710ade7c7cc85.dll
- Size 297KB
- Sample260918-aq84jsfb35
- SHA256 eee968e0bfbff9e238b882790021f1c534f903af6d079c745996ce13ebb85aba
- MD5 d5006a7f3cbb677c993710ade7c7cc85
- SHA1 e3d1c948b348e73e35e372772b80ef3134dc37dd
- SHA512 56ddc71b321ce56c04ef0ca524671562fd4a11214cbd3dd0f3dd7fd12b04b39b9f84dd5ce1a74ab2a11db42227d99c8d7f03ba625906356da5abc8bdc43d2031
- SSDEEP 3072:FB9HLJbgS753vP1zuIub10EHpIo7NXtD41Y1POBgfshSU2dTnBA:JrJj75331zmD2o7N9D41Y1VUMlA
- TLSH T1825402588D482362CB9F147D74125FB2460D72149CE4B6A13FB8EBAECFEA0CAD556343
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detects Conficker worm 3 IoCs
resource yara_rule behavioral2/memory/5980-2-0x0000000002330000-0x0000000002351000-memory.dmp family_conficker behavioral2/memory/5980-6-0x0000000002330000-0x0000000002351000-memory.dmp family_conficker behavioral2/memory/5980-4-0x0000000002330000-0x0000000002351000-memory.dmp family_conficker - Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-2304238888-3968896904-642854331-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "0" rundll32.exe - Modifies visibility of hidden/system files in Explorer 2 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-2304238888-3968896904-642854331-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" rundll32.exe - Drops desktop.ini file(s) 3 IoCs
description ioc Process File opened for modification C:\Users\Admin\Pictures\desktop.ini explorer.exe File opened for modification C:\Users\Public\desktop.ini explorer.exe File opened for modification C:\Users\Public\Pictures\desktop.ini explorer.exe - Enumerates connected drives 3 TTPs 1 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\V: rundll32.exe -
resource yara_rule behavioral2/memory/5980-0-0x0000000010000000-0x000000001001A000-memory.dmp upx behavioral2/memory/5980-8-0x0000000010000000-0x000000001001A000-memory.dmp upx - 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 rundll32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language explorer.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2304238888-3968896904-642854331-1000\Software\Microsoft\Internet Explorer\Toolbar explorer.exe Set value (int) \REGISTRY\USER\S-1-5-21-2304238888-3968896904-642854331-1000\Software\Microsoft\Internet Explorer\Toolbar\Locked = "1" explorer.exe - Modifies registry class 43 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{3ADD1653-EB32-4cb0-BBD7-DFA0ABB5ACCA}\Instance\ explorer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1CF1260C-4DD0-4ebb-811F-33C572699FDE}\Instance\ Process not Found Key created \REGISTRY\USER\S-1-5-21-2304238888-3968896904-642854331-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell explorer.exe Key created \REGISTRY\USER\S-1-5-21-2304238888-3968896904-642854331-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\0 explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-2304238888-3968896904-642854331-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\0\0 = 78003100000000002c5dd0041100557365727300640009000400efbe8158a93a325d49032e000000880600000000010000000000000000003a000000000053ce090055007300650072007300000040007300680065006c006c00330032002e0064006c006c002c002d0032003100380031003300000014000000 explorer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1CF1260C-4DD0-4ebb-811F-33C572699FDE}\Instance\ explorer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{374DE290-123F-4565-9164-39C4925E467B}\Instance\ Process not Found Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{3ADD1653-EB32-4cb0-BBD7-DFA0ABB5ACCA}\Instance\ Process not Found Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\ Process not Found Key created \REGISTRY\USER\S-1-5-21-2304238888-3968896904-642854331-1000_Classes\Local Settings explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-2304238888-3968896904-642854331-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\0\0\0\0 = 56003100000000002c5dd10412004170704461746100400009000400efbe2c5dd0042c5d56052e0000007d000000000002000000000000000000000000000000dcae24014100700070004400610074006100000016000000 explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-2304238888-3968896904-642854331-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 0202 explorer.exe Key created \REGISTRY\USER\S-1-5-21-2304238888-3968896904-642854331-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\Shell explorer.exe Key created \REGISTRY\USER\S-1-5-21-2304238888-3968896904-642854331-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2 explorer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{A8CDFF1C-4878-43be-B5FD-F8091C1C60D0}\Instance\ Process not Found Set value (data) \REGISTRY\USER\S-1-5-21-2304238888-3968896904-642854331-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 02 explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-2304238888-3968896904-642854331-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\0\0\0 = 50003100000000002c5d0f0d100041646d696e003c0009000400efbe2c5dd004325d49032e00000072000000000002000000000000000000000000000000eab60f00410064006d0069006e00000014000000 explorer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\ explorer.exe Key created \REGISTRY\USER\S-1-5-21-2304238888-3968896904-642854331-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\WorkFolders Process not Found Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{B4BFCC3A-DB2C-424C-B029-7FE99A87C641}\Instance\ Process not Found Set value (data) \REGISTRY\USER\S-1-5-21-2304238888-3968896904-642854331-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 00000000ffffffff explorer.exe Set value (str) \REGISTRY\USER\S-1-5-21-2304238888-3968896904-642854331-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\Shell\SniffedFolderType = "Generic" explorer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{A0953C92-50DC-43bf-BE83-3742FED03C9C}\Instance\ explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-2304238888-3968896904-642854331-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\0 = 19002f433a5c000000000000000000000000000000000000000000 explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-2304238888-3968896904-642854331-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\0\MRUListEx = 00000000ffffffff explorer.exe Set value (int) \REGISTRY\USER\S-1-5-21-2304238888-3968896904-642854331-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\0\0\0\0\NodeSlot = "2" explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-2304238888-3968896904-642854331-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\0\0\0\MRUListEx = 00000000ffffffff explorer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{A0953C92-50DC-43bf-BE83-3742FED03C9C}\Instance\ Process not Found Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{A8CDFF1C-4878-43be-B5FD-F8091C1C60D0}\Instance\ explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-2304238888-3968896904-642854331-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1 = 14001f50e04fd020ea3a6910a2d808002b30309d0000 explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-2304238888-3968896904-642854331-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\MRUListEx = 00000000ffffffff explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-2304238888-3968896904-642854331-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\0\0\0\0\MRUListEx = ffffffff explorer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{B4BFCC3A-DB2C-424C-B029-7FE99A87C641}\Instance\ explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-2304238888-3968896904-642854331-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 0100000000000000ffffffff explorer.exe Key created \REGISTRY\USER\S-1-5-21-2304238888-3968896904-642854331-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\0\0 explorer.exe Key created \REGISTRY\USER\S-1-5-21-2304238888-3968896904-642854331-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\0\0\0 explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-2304238888-3968896904-642854331-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\0\0\MRUListEx = 00000000ffffffff explorer.exe Key created \REGISTRY\USER\S-1-5-21-2304238888-3968896904-642854331-1000_Classes\NotificationData explorer.exe Key created \REGISTRY\USER\S-1-5-21-2304238888-3968896904-642854331-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU explorer.exe Key created \REGISTRY\USER\S-1-5-21-2304238888-3968896904-642854331-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1 explorer.exe Key created \REGISTRY\USER\S-1-5-21-2304238888-3968896904-642854331-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\0\0\0\0 explorer.exe Key created \REGISTRY\USER\S-1-5-21-2304238888-3968896904-642854331-1000_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 - Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 4548 explorer.exe - Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 5980 rundll32.exe 5980 rundll32.exe 5980 rundll32.exe 5980 rundll32.exe 5980 rundll32.exe 5980 rundll32.exe - Suspicious behavior: GetForegroundWindowSpam 2 IoCs
pid Process 4256 Process not Found 4548 explorer.exe - Suspicious use of AdjustPrivilegeToken 9 IoCs
description pid Process Token: SeDebugPrivilege 5980 rundll32.exe Token: SeShutdownPrivilege 4256 Process not Found Token: SeCreatePagefilePrivilege 4256 Process not Found Token: SeShutdownPrivilege 4256 Process not Found Token: SeCreatePagefilePrivilege 4256 Process not Found Token: SeShutdownPrivilege 4256 Process not Found Token: SeCreatePagefilePrivilege 4256 Process not Found Token: SeShutdownPrivilege 4256 Process not Found Token: SeCreatePagefilePrivilege 4256 Process not Found - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4548 explorer.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4548 explorer.exe - Suspicious use of UnmapMainImage 1 IoCs
pid Process 4256 Process not Found - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 4152 wrote to memory of 5980 4152 rundll32.exe 88 PID 5980 wrote to memory of 3456 5980 rundll32.exe 89
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\jaffacakes118__d5006a7f3cbb677c993710ade7c7cc85.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4152 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\jaffacakes118__d5006a7f3cbb677c993710ade7c7cc85.dll,#12⤵
- Modifies visibility of file extensions in Explorer
- Modifies visibility of hidden/system files in Explorer
- Enumerates connected drives
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5980 -
C:\Windows\SysWOW64\explorer.exeexplorer C:\Users\Admin\AppData3⤵
- System Location Discovery: System Language Discovery
PID:3456
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C:\Windows\explorer.exeC:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding1⤵
- Drops desktop.ini file(s)
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:4548
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C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵PID:5964