Analysis
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max time kernel
130s -
max time network
52s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
20-06-2024 17:23
Behavioral task
behavioral1
Sample
083050628845a3d3e0bc0ac054860bf5_JaffaCakes118.dll
Resource
win7-20240220-en
windows7-x64
10 signatures
150 seconds
General
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Target
083050628845a3d3e0bc0ac054860bf5_JaffaCakes118.dll
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Size
155KB
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MD5
083050628845a3d3e0bc0ac054860bf5
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SHA1
3f027524cef4c61b28145301dfa77323f096e9e4
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SHA256
dd2decb14d79cdb254b100592880b68c53071d8570f5cadd5a97205c4da0982c
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SHA512
8e2f55254e53eafd176130b82f854c608949f2bfa7491f3fdab4f6b228c1e003885d8f85c84e2137fda42767fab606b757d2bcdb2e60b19f9de1074d425dbbec
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SSDEEP
3072:cjl3Sn1Si4muVMs3ASb4ys5JBx/pUpU5nXUORCyGaCv29KbXgftbw9EndJ6oS:y0n1SiTuTwSbYBx/26XUORCLaCOMbyRy
Malware Config
Signatures
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Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "0" rundll32.exe -
Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" rundll32.exe -
resource yara_rule behavioral2/memory/4480-0-0x0000000010000000-0x000000001001B000-memory.dmp upx behavioral2/memory/4480-11-0x0000000010000000-0x000000001001B000-memory.dmp upx -
Enumerates connected drives 3 TTPs 2 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 File opened (read-only) \??\U: rundll32.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Internet Explorer\Toolbar\ShellBrowser explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Internet Explorer\Toolbar\ShellBrowser\ITBar7Layout = 13000000000000000000000020000000100000000000000001000000010700005e01000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 explorer.exe Key created \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\Software\Microsoft\Internet Explorer\Toolbar explorer.exe Set value (int) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Internet Explorer\Toolbar\Locked = "1" explorer.exe -
Modifies registry class 32 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\MRUListEx = 00000000ffffffff explorer.exe Key created \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0 explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\MRUListEx = 00000000ffffffff explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\MRUListEx = ffffffff explorer.exe Key created \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\ Explorer.EXE Key created \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 explorer.exe Set value (str) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell\SniffedFolderType = "Generic" explorer.exe Key created \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0 = 5600310000000000a858c65312004170704461746100400009000400efbea858c653d458ef8a2e0000007ae10100000001000000000000000000000000000000d329c9004100700070004400610074006100000016000000 explorer.exe Key created \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\MRUListEx = 00000000ffffffff explorer.exe Key created \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0 explorer.exe Key created \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\ explorer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\ Explorer.EXE Key created \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0 = 5000310000000000a858715b100041646d696e003c0009000400efbea858c653d458ef8a2e0000006fe101000000010000000000000000000000000000001bf66900410064006d0069006e00000014000000 explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 02 explorer.exe Key created \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0 explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 = 14001f50e04fd020ea3a6910a2d808002b30309d0000 explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 00000000ffffffff explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 = 19002f433a5c000000000000000000000000000000000000000000 explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\MRUListEx = 00000000ffffffff explorer.exe Key created \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags explorer.exe Key created \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1 explorer.exe Key created \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0 = 7800310000000000a858c6531100557365727300640009000400efbe874f7748d458ef8a2e000000c70500000000010000000000000000003a0000000000b177d70055007300650072007300000040007300680065006c006c00330032002e0064006c006c002c002d0032003100380031003300000014000000 explorer.exe Set value (int) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\NodeSlot = "1" explorer.exe Key created \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\WorkFolders Explorer.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\ explorer.exe -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 712 explorer.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 4480 rundll32.exe 4480 rundll32.exe 4480 rundll32.exe 4480 rundll32.exe 4480 rundll32.exe 4480 rundll32.exe -
Suspicious use of AdjustPrivilegeToken 7 IoCs
description pid Process Token: SeDebugPrivilege 4480 rundll32.exe Token: SeShutdownPrivilege 3476 Explorer.EXE Token: SeCreatePagefilePrivilege 3476 Explorer.EXE Token: SeShutdownPrivilege 3476 Explorer.EXE Token: SeCreatePagefilePrivilege 3476 Explorer.EXE Token: SeShutdownPrivilege 3476 Explorer.EXE Token: SeCreatePagefilePrivilege 3476 Explorer.EXE -
Suspicious use of FindShellTrayWindow 7 IoCs
pid Process 3476 Explorer.EXE 3476 Explorer.EXE 3476 Explorer.EXE 3476 Explorer.EXE 3476 Explorer.EXE 3476 Explorer.EXE 3476 Explorer.EXE -
Suspicious use of SendNotifyMessage 3 IoCs
pid Process 3476 Explorer.EXE 3476 Explorer.EXE 3476 Explorer.EXE -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 712 explorer.exe 712 explorer.exe -
Suspicious use of UnmapMainImage 1 IoCs
pid Process 3476 Explorer.EXE -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 4872 wrote to memory of 4480 4872 rundll32.exe 81 PID 4872 wrote to memory of 4480 4872 rundll32.exe 81 PID 4872 wrote to memory of 4480 4872 rundll32.exe 81 PID 4480 wrote to memory of 3476 4480 rundll32.exe 56 PID 4480 wrote to memory of 3676 4480 rundll32.exe 85 PID 4480 wrote to memory of 3676 4480 rundll32.exe 85 PID 4480 wrote to memory of 3676 4480 rundll32.exe 85
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of UnmapMainImage
PID:3476 -
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\083050628845a3d3e0bc0ac054860bf5_JaffaCakes118.dll,#12⤵
- Suspicious use of WriteProcessMemory
PID:4872 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\083050628845a3d3e0bc0ac054860bf5_JaffaCakes118.dll,#13⤵
- Modifies visibility of file extensions in Explorer
- Modifies visiblity of hidden/system files in Explorer
- Enumerates connected drives
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4480 -
C:\Windows\SysWOW64\explorer.exeexplorer C:\Users\Admin\AppData4⤵PID:3676
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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 use of SetWindowsHookEx
PID:712
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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:3088