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Analysis
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max time kernel
130s -
max time network
138s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
01/10/2024, 12:20
Behavioral task
behavioral1
Sample
05cb6f4bd732cdfa184071d26e8284e3_JaffaCakes118.dll
Resource
win7-20240708-en
General
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Target
05cb6f4bd732cdfa184071d26e8284e3_JaffaCakes118.dll
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Size
175KB
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MD5
05cb6f4bd732cdfa184071d26e8284e3
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SHA1
7e4207509dea333231ddd011cff0f40e7ba825f9
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SHA256
cb3c8311c807213b79f79022259beefa8b35037246c02003e5a9638002d6bbfc
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SHA512
a225eda7cf547e776e25b49b69f7484c1adb248ba419df983dc30ca08b9da35499d73f413d8a7a1d9871d343a7c2261f5caa0e9c1aa8ed05dd55af2a6c0a26db
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SSDEEP
3072:0/TwQI9CDr3bX6L+upR8ijC3IAGXv7Fw6J68ZIn/u+zXVULA140wyXkvrUlVN2/+:iTRr3bKL+uEi23IVRw6k8Gnlzlwz+Xae
Malware Config
Signatures
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resource yara_rule behavioral2/memory/3108-0-0x0000000000400000-0x0000000000441000-memory.dmp upx -
Program crash 1 IoCs
pid pid_target Process procid_target 5728 3108 WerFault.exe 89 -
System Location Discovery: System Language Discovery 1 TTPs 1 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 -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 5560 wrote to memory of 3108 5560 rundll32.exe 89 PID 5560 wrote to memory of 3108 5560 rundll32.exe 89 PID 5560 wrote to memory of 3108 5560 rundll32.exe 89
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\05cb6f4bd732cdfa184071d26e8284e3_JaffaCakes118.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:5560 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\05cb6f4bd732cdfa184071d26e8284e3_JaffaCakes118.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:3108 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3108 -s 5883⤵
- Program crash
PID:5728
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3108 -ip 31081⤵PID:5636
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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=3820,i,2904906934812054273,11716976550456127484,262144 --variations-seed-version --mojo-platform-channel-handle=1424 /prefetch:81⤵PID:3592