Analysis
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max time kernel
140s -
max time network
134s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
10/08/2024, 15:30
Behavioral task
behavioral1
Sample
869d914b7e6014c33ff231f5e4d0851a_JaffaCakes118.exe
Resource
win7-20240705-en
General
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Target
869d914b7e6014c33ff231f5e4d0851a_JaffaCakes118.exe
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Size
29KB
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MD5
869d914b7e6014c33ff231f5e4d0851a
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SHA1
e1884eeaa56bc38cf64d30176e2401ff85bdd142
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SHA256
bc80ff0da91370e644cf2c1f71f46ee4bd0c9176e35e31c5f0a94b2692edfe5b
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SHA512
09253cf92f21037bc39ea8b4e10474a6fad8045c26f6b2e42ea456616576a8f7b3918dae3b048688b85f388ecd29f1158382cbc689a347359fecc53d0738d923
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SSDEEP
384:RvzJ1Zh34AXyIPWVV5TCNQbS7BGr0/tZh/eRyVnEUxZNbftuVHZEG8evsLof:RvN1Zh33XyIPSVZjeLZYIiKzGGG8e0cf
Malware Config
Signatures
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Control Panel\International\Geo\Nation 869d914b7e6014c33ff231f5e4d0851a_JaffaCakes118.exe -
resource yara_rule behavioral2/memory/3452-0-0x0000000000400000-0x000000000040E000-memory.dmp upx behavioral2/memory/5040-1-0x0000000000400000-0x000000000040E000-memory.dmp upx behavioral2/memory/3452-2-0x0000000000400000-0x000000000040E000-memory.dmp upx behavioral2/memory/5040-3-0x0000000000400000-0x000000000040E000-memory.dmp upx behavioral2/memory/5040-6-0x0000000000400000-0x000000000040E000-memory.dmp upx -
Drops file in System32 directory 2 IoCs
description ioc Process File created C:\Windows\SysWOW64\kuhCd765.exe 869d914b7e6014c33ff231f5e4d0851a_JaffaCakes118.exe File opened for modification C:\Windows\SysWOW64\kuhCd765.exe 869d914b7e6014c33ff231f5e4d0851a_JaffaCakes118.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
pid pid_target Process procid_target 5408 5040 WerFault.exe 94 -
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 869d914b7e6014c33ff231f5e4d0851a_JaffaCakes118.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3452 wrote to memory of 5040 3452 869d914b7e6014c33ff231f5e4d0851a_JaffaCakes118.exe 94 PID 3452 wrote to memory of 5040 3452 869d914b7e6014c33ff231f5e4d0851a_JaffaCakes118.exe 94 PID 3452 wrote to memory of 5040 3452 869d914b7e6014c33ff231f5e4d0851a_JaffaCakes118.exe 94
Processes
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C:\Users\Admin\AppData\Local\Temp\869d914b7e6014c33ff231f5e4d0851a_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\869d914b7e6014c33ff231f5e4d0851a_JaffaCakes118.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3452 -
C:\Users\Admin\AppData\Local\Temp\869d914b7e6014c33ff231f5e4d0851a_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\869d914b7e6014c33ff231f5e4d0851a_JaffaCakes118.exe" y2⤵
- Drops file in System32 directory
PID:5040 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5040 -s 4043⤵
- Program crash
PID:5408
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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=4380,i,2904906934812054273,11716976550456127484,262144 --variations-seed-version --mojo-platform-channel-handle=4128 /prefetch:81⤵PID:3276
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5040 -ip 50401⤵PID:5336