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Analysis
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max time kernel
150s -
max time network
127s -
platform
windows10-2004_x64 -
resource
win10v2004-20240611-en -
resource tags
arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system -
submitted
26/06/2024, 20:46
Static task
static1
Behavioral task
behavioral1
Sample
1364c154f89e29d21b2777233cec8017_JaffaCakes118.dll
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
1364c154f89e29d21b2777233cec8017_JaffaCakes118.dll
Resource
win10v2004-20240611-en
General
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Target
1364c154f89e29d21b2777233cec8017_JaffaCakes118.dll
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Size
31KB
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MD5
1364c154f89e29d21b2777233cec8017
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SHA1
03de4db2a7f0b7fff31f2cfbde818b5bb59e8c1f
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SHA256
424b01b39ccd257fa8fdaf40ebba3b9cd499420738b7d16395d664779c6f2df5
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SHA512
edf98059d2d696e315bd144d1c8ac2fa76e44ca3b88cd781ff75dbd1ba546cd98dd047040c457137e01993e1ff12d24c7ec1aa07efcfb6c68ef994474ed16d6f
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SSDEEP
768:2Mg0WzDlSSbxaRiZeSoV90z3oIYneRR11qvWvL:pW9PbdZmV9o3keRR11GeL
Malware Config
Signatures
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Loads dropped DLL 1 IoCs
pid Process 3780 rundll32.exe -
Drops file in System32 directory 2 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\lua.wkl rundll32.exe File opened for modification C:\Windows\SysWOW64\lua.wkl rundll32.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs
pid Process 3780 rundll32.exe 3780 rundll32.exe 3780 rundll32.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\pdfshlex.dll rundll32.exe File opened for modification C:\Windows\pdfshlex.dll rundll32.exe -
Access Token Manipulation: Create Process with Token 1 TTPs 1 IoCs
pid Process 3780 rundll32.exe -
Modifies registry class 5 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7B3AC3FA-B695-41b6-BAA0-860EB5EB6FD6} rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7B3AC3FA-B695-41b6-BAA0-860EB5EB6FD6}\{F69EB73C-700A-42c9-8F9D-E8C4ABC27EF3} = "1364c154f89e29d21b2777233cec8017_JaffaCakes118.dll,1292668979,71617371,-352895392" rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InProcServer32 rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9} rundll32.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3780 rundll32.exe 3780 rundll32.exe 3780 rundll32.exe 3780 rundll32.exe 3780 rundll32.exe 3780 rundll32.exe 3780 rundll32.exe 3780 rundll32.exe 3780 rundll32.exe 3780 rundll32.exe 3780 rundll32.exe 3780 rundll32.exe 3780 rundll32.exe 3780 rundll32.exe 3780 rundll32.exe 3780 rundll32.exe 3780 rundll32.exe 3780 rundll32.exe 3780 rundll32.exe 3780 rundll32.exe 3780 rundll32.exe 3780 rundll32.exe 3780 rundll32.exe 3780 rundll32.exe 3780 rundll32.exe 3780 rundll32.exe 3780 rundll32.exe 3780 rundll32.exe 3780 rundll32.exe 3780 rundll32.exe 3780 rundll32.exe 3780 rundll32.exe 3780 rundll32.exe 3780 rundll32.exe 3780 rundll32.exe 3780 rundll32.exe 3780 rundll32.exe 3780 rundll32.exe 3780 rundll32.exe 3780 rundll32.exe 3780 rundll32.exe 3780 rundll32.exe 3780 rundll32.exe 3780 rundll32.exe 3780 rundll32.exe 3780 rundll32.exe 3780 rundll32.exe 3780 rundll32.exe 3780 rundll32.exe 3780 rundll32.exe 3780 rundll32.exe 3780 rundll32.exe 3780 rundll32.exe 3780 rundll32.exe 3780 rundll32.exe 3780 rundll32.exe 3780 rundll32.exe 3780 rundll32.exe 3780 rundll32.exe 3780 rundll32.exe 3780 rundll32.exe 3780 rundll32.exe 3780 rundll32.exe 3780 rundll32.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 232 wrote to memory of 4888 232 rundll32.exe 92 PID 232 wrote to memory of 4888 232 rundll32.exe 92 PID 232 wrote to memory of 4888 232 rundll32.exe 92 PID 4888 wrote to memory of 3780 4888 rundll32.exe 94 PID 4888 wrote to memory of 3780 4888 rundll32.exe 94 PID 4888 wrote to memory of 3780 4888 rundll32.exe 94
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\1364c154f89e29d21b2777233cec8017_JaffaCakes118.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:232 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\1364c154f89e29d21b2777233cec8017_JaffaCakes118.dll,#12⤵
- Drops file in System32 directory
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4888 -
C:\Windows\SysWOW64\rundll32.exerundll32 "C:\Windows\pdfshlex.dll",_RunAs@163⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Access Token Manipulation: Create Process with Token
- Suspicious behavior: EnumeratesProcesses
PID:3780
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=3864,i,5229431749694857451,16836185654682871752,262144 --variations-seed-version --mojo-platform-channel-handle=4264 /prefetch:81⤵PID:3784
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
31KB
MD51364c154f89e29d21b2777233cec8017
SHA103de4db2a7f0b7fff31f2cfbde818b5bb59e8c1f
SHA256424b01b39ccd257fa8fdaf40ebba3b9cd499420738b7d16395d664779c6f2df5
SHA512edf98059d2d696e315bd144d1c8ac2fa76e44ca3b88cd781ff75dbd1ba546cd98dd047040c457137e01993e1ff12d24c7ec1aa07efcfb6c68ef994474ed16d6f