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Analysis
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max time kernel
146s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system -
submitted
04/05/2024, 13:32
Static task
static1
Behavioral task
behavioral1
Sample
12f386e0f6f2e6f2853aadf5dd2c1632_JaffaCakes118.dll
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
12f386e0f6f2e6f2853aadf5dd2c1632_JaffaCakes118.dll
Resource
win10v2004-20240419-en
General
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Target
12f386e0f6f2e6f2853aadf5dd2c1632_JaffaCakes118.dll
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Size
168KB
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MD5
12f386e0f6f2e6f2853aadf5dd2c1632
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SHA1
424260d6c2d45c6e4f7606c780c4720cf819d995
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SHA256
ff12283d19079ad8a26b2e9258b1f0cd6d302eb468ad40cd62d7dcccbf73ca43
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SHA512
763a155a0aaa3c37584bcabdf49c7a2a8856cac6e528dd9bdd175a166262a1bf0e82287e242421d6551a3369c7c0cfb483e7a0e473d970318eb933c1adf45b16
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SSDEEP
3072:rDITELmxyaRCzZMyJwlbGNkEvMLXFcuK5K5jgBvSXGyElpD:rDCxyNZMGuaNQKBc5gaxElpD
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-1-5-21-2860750803-256193626-1801997576-1000\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-1-5-21-2860750803-256193626-1801997576-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" rundll32.exe -
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-2860750803-256193626-1801997576-1000\SOFTWARE\Microsoft\Internet Explorer\Toolbar\Locked = "1" explorer.exe Key created \REGISTRY\USER\S-1-5-21-2860750803-256193626-1801997576-1000\SOFTWARE\Microsoft\Internet Explorer\Toolbar\ShellBrowser explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-2860750803-256193626-1801997576-1000\SOFTWARE\Microsoft\Internet Explorer\Toolbar\ShellBrowser\ITBar7Layout = 13000000000000000000000020000000100000000000000001000000010700005e01000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 explorer.exe Key created \REGISTRY\USER\S-1-5-21-2860750803-256193626-1801997576-1000\Software\Microsoft\Internet Explorer\Toolbar explorer.exe -
Modifies registry class 32 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2860750803-256193626-1801997576-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1 explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-2860750803-256193626-1801997576-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots explorer.exe Key created \REGISTRY\USER\S-1-5-21-2860750803-256193626-1801997576-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0 explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-2860750803-256193626-1801997576-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff explorer.exe Key created \REGISTRY\USER\S-1-5-21-2860750803-256193626-1801997576-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-2860750803-256193626-1801997576-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 = 14001f50e04fd020ea3a6910a2d808002b30309d0000 explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-2860750803-256193626-1801997576-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\MRUListEx = 00000000ffffffff explorer.exe Key created \REGISTRY\USER\S-1-5-21-2860750803-256193626-1801997576-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU explorer.exe Key created \REGISTRY\USER\S-1-5-21-2860750803-256193626-1801997576-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 explorer.exe Key created \REGISTRY\USER\S-1-5-21-2860750803-256193626-1801997576-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0 explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-2860750803-256193626-1801997576-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 02 explorer.exe Key created \REGISTRY\USER\S-1-5-21-2860750803-256193626-1801997576-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\ Explorer.EXE Key created \REGISTRY\USER\S-1-5-21-2860750803-256193626-1801997576-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell explorer.exe Key created \REGISTRY\USER\S-1-5-21-2860750803-256193626-1801997576-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0 explorer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\ explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-2860750803-256193626-1801997576-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\MRUListEx = 00000000ffffffff explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-2860750803-256193626-1801997576-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0 = 560031000000000093583b3812004170704461746100400009000400efbe93583b38935893382e0000007ae10100000001000000000000000000000000000000ca0b06004100700070004400610074006100000016000000 explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-2860750803-256193626-1801997576-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\MRUListEx = 00000000ffffffff explorer.exe Set value (int) \REGISTRY\USER\S-1-5-21-2860750803-256193626-1801997576-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\NodeSlot = "1" explorer.exe Key created \REGISTRY\USER\S-1-5-21-2860750803-256193626-1801997576-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags explorer.exe Set value (str) \REGISTRY\USER\S-1-5-21-2860750803-256193626-1801997576-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell\SniffedFolderType = "Generic" explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-2860750803-256193626-1801997576-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 00000000ffffffff explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-2860750803-256193626-1801997576-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0 = 780031000000000093583b381100557365727300640009000400efbe874f7748a4580d6c2e000000c70500000000010000000000000000003a0000000000d059140055007300650072007300000040007300680065006c006c00330032002e0064006c006c002c002d0032003100380031003300000014000000 explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-2860750803-256193626-1801997576-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\MRUListEx = 00000000ffffffff explorer.exe Key created \REGISTRY\USER\S-1-5-21-2860750803-256193626-1801997576-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-2860750803-256193626-1801997576-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 = 19002f433a5c000000000000000000000000000000000000000000 explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-2860750803-256193626-1801997576-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0 = 50003100000000009358f33c100041646d696e003c0009000400efbe93583b38a4580d6c2e0000006fe10100000001000000000000000000000000000000b7e51701410064006d0069006e00000014000000 explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-2860750803-256193626-1801997576-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\MRUListEx = ffffffff explorer.exe Key created \REGISTRY\USER\S-1-5-21-2860750803-256193626-1801997576-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\WorkFolders Explorer.EXE Key created \REGISTRY\USER\S-1-5-21-2860750803-256193626-1801997576-1000_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-1-5-21-2860750803-256193626-1801997576-1000_Classes\Local Settings explorer.exe -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 2484 explorer.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 2676 rundll32.exe 2676 rundll32.exe 2676 rundll32.exe 2676 rundll32.exe 2676 rundll32.exe 2676 rundll32.exe -
Suspicious use of AdjustPrivilegeToken 23 IoCs
description pid Process Token: SeDebugPrivilege 2676 rundll32.exe Token: SeShutdownPrivilege 3496 Explorer.EXE Token: SeCreatePagefilePrivilege 3496 Explorer.EXE Token: SeShutdownPrivilege 3496 Explorer.EXE Token: SeCreatePagefilePrivilege 3496 Explorer.EXE Token: SeShutdownPrivilege 3496 Explorer.EXE Token: SeCreatePagefilePrivilege 3496 Explorer.EXE Token: SeShutdownPrivilege 3496 Explorer.EXE Token: SeCreatePagefilePrivilege 3496 Explorer.EXE Token: SeShutdownPrivilege 3496 Explorer.EXE Token: SeCreatePagefilePrivilege 3496 Explorer.EXE Token: SeShutdownPrivilege 3496 Explorer.EXE Token: SeCreatePagefilePrivilege 3496 Explorer.EXE Token: SeShutdownPrivilege 3496 Explorer.EXE Token: SeCreatePagefilePrivilege 3496 Explorer.EXE Token: SeShutdownPrivilege 3496 Explorer.EXE Token: SeCreatePagefilePrivilege 3496 Explorer.EXE Token: SeShutdownPrivilege 3496 Explorer.EXE Token: SeCreatePagefilePrivilege 3496 Explorer.EXE Token: SeShutdownPrivilege 3496 Explorer.EXE Token: SeCreatePagefilePrivilege 3496 Explorer.EXE Token: SeShutdownPrivilege 3496 Explorer.EXE Token: SeCreatePagefilePrivilege 3496 Explorer.EXE -
Suspicious use of FindShellTrayWindow 4 IoCs
pid Process 3496 Explorer.EXE 3496 Explorer.EXE 3496 Explorer.EXE 3496 Explorer.EXE -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2484 explorer.exe 2484 explorer.exe -
Suspicious use of UnmapMainImage 1 IoCs
pid Process 3496 Explorer.EXE -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 3948 wrote to memory of 2676 3948 rundll32.exe 84 PID 3948 wrote to memory of 2676 3948 rundll32.exe 84 PID 3948 wrote to memory of 2676 3948 rundll32.exe 84 PID 2676 wrote to memory of 3496 2676 rundll32.exe 56 PID 2676 wrote to memory of 4752 2676 rundll32.exe 87 PID 2676 wrote to memory of 4752 2676 rundll32.exe 87 PID 2676 wrote to memory of 4752 2676 rundll32.exe 87
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 UnmapMainImage
PID:3496 -
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\12f386e0f6f2e6f2853aadf5dd2c1632_JaffaCakes118.dll,#12⤵
- Suspicious use of WriteProcessMemory
PID:3948 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\12f386e0f6f2e6f2853aadf5dd2c1632_JaffaCakes118.dll,#13⤵
- Modifies visibility of file extensions in Explorer
- Modifies visiblity of hidden/system files in Explorer
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2676 -
C:\Windows\SysWOW64\explorer.exeexplorer C:\Users\Admin\AppData4⤵PID:4752
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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:2484
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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:4848