Analysis
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max time kernel
133s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
28-10-2024 14:06
Static task
static1
Behavioral task
behavioral1
Sample
79fb56d15ce4fa67610f8424d98745c2_JaffaCakes118.exe
Resource
win7-20240903-en
General
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Target
79fb56d15ce4fa67610f8424d98745c2_JaffaCakes118.exe
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Size
59KB
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MD5
79fb56d15ce4fa67610f8424d98745c2
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SHA1
d2cb609ef6f88e4dc83c7b055f7ed3b647ffd9ca
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SHA256
fbb9b527a4dd30ff8fb8a7767b7ed7bb28fc843ba940f20a221a033101dd37a5
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SHA512
8be683bdda697cacc90955bb1c592c4da22bd38220e6eba6661fe792d06c6ff4316bb02386f6a6c4910d47da295e7666020b3aa95f32c85b1240f75d894f24fa
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SSDEEP
768:n5mhew0GpSyMe6hwUkdwJzh+qciaQRENEzxZbARtR06g2wqp4YPeznellmqGwxPM:nK0GjMeQG3iaQREuVZ6ro29p4YxbKdf
Malware Config
Extracted
urelas
218.54.47.76
218.54.47.77
218.54.47.74
Signatures
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Urelas family
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
79fb56d15ce4fa67610f8424d98745c2_JaffaCakes118.exedescription ioc Process Key value queried \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation 79fb56d15ce4fa67610f8424d98745c2_JaffaCakes118.exe -
Executes dropped EXE 1 IoCs
Processes:
biudfw.exepid Process 4852 biudfw.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
79fb56d15ce4fa67610f8424d98745c2_JaffaCakes118.exebiudfw.execmd.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 79fb56d15ce4fa67610f8424d98745c2_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language biudfw.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
79fb56d15ce4fa67610f8424d98745c2_JaffaCakes118.exedescription pid Process procid_target PID 1232 wrote to memory of 4852 1232 79fb56d15ce4fa67610f8424d98745c2_JaffaCakes118.exe 87 PID 1232 wrote to memory of 4852 1232 79fb56d15ce4fa67610f8424d98745c2_JaffaCakes118.exe 87 PID 1232 wrote to memory of 4852 1232 79fb56d15ce4fa67610f8424d98745c2_JaffaCakes118.exe 87 PID 1232 wrote to memory of 4652 1232 79fb56d15ce4fa67610f8424d98745c2_JaffaCakes118.exe 88 PID 1232 wrote to memory of 4652 1232 79fb56d15ce4fa67610f8424d98745c2_JaffaCakes118.exe 88 PID 1232 wrote to memory of 4652 1232 79fb56d15ce4fa67610f8424d98745c2_JaffaCakes118.exe 88
Processes
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C:\Users\Admin\AppData\Local\Temp\79fb56d15ce4fa67610f8424d98745c2_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\79fb56d15ce4fa67610f8424d98745c2_JaffaCakes118.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1232 -
C:\Users\Admin\AppData\Local\Temp\biudfw.exe"C:\Users\Admin\AppData\Local\Temp\biudfw.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4852
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\sanfdr.bat" "2⤵
- System Location Discovery: System Language Discovery
PID:4652
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
59KB
MD5e6662a18f55a046b0eab409b764da8b0
SHA17758264a7a9ee98bb0d7a92fd854a0f881df4e1a
SHA256503d5e37fa37d069be063062ee632d16cef1fd11c1002d7795e9211cba6d048b
SHA5129a81d6dccfd8c18521cb68a2f2ca3d21725808538a39879cb3bee1b12bff5cefe1a2066694016af68365ac39932a0ba7cf9810768eafcbe540ee40f61a10ae85
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Filesize
512B
MD555e10a9af74d3f3fa5ae3cb7ff5ad9d4
SHA1449221fd8d7196a54de2bd583625d8d1b64db56a
SHA256a945a44cfe50423c01f26a16445ed177a347052e791364a9cb7de6bcaa18f3c1
SHA5124af5ba74467b4c61302ea9571f19346c05f911843f2c6153fcd9a7340f9bc6e1f8867cdb72ec7ba0dc4930199aa5c302711ad5da9fd35241839418f6e70a515a
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Filesize
302B
MD54d1f05dd0cd00588d93e11c5047dca84
SHA1bbf62156e29522c5fca4eebcb0a8b8720b822bbc
SHA25691ad3ef0e4d25dd254339e3b8faf01168d875410623cee737d2f52ab1809a43e
SHA5125820ef65ddc9e32df111d227cb972f72531233fe3b6d6a3b3794b1576b59ecd24156d1ed407096b304bd140b98be3ab899c6f17e46130e28df2232440e05e703