Analysis
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max time kernel
95s -
max time network
100s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
20-12-2024 06:43
Static task
static1
Behavioral task
behavioral1
Sample
d6cda4a344b3b05b54926ca4d734cbd79a90770ee2257ef01cc89b5ce3e2dd59N.exe
Resource
win7-20241010-en
General
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Target
d6cda4a344b3b05b54926ca4d734cbd79a90770ee2257ef01cc89b5ce3e2dd59N.exe
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Size
56KB
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MD5
61edf4a8acd4536587bc60b13b2afd80
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SHA1
316c0a10fdb80bb6234ba32ad85c504a7a54b88b
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SHA256
d6cda4a344b3b05b54926ca4d734cbd79a90770ee2257ef01cc89b5ce3e2dd59
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SHA512
ced359864710ccfd7fce202c59d2a3b6021650453ef61bd6951dbd0416957deecd104bd1da9e6fbbdb22e2dc4c41e6ce834e29815d85ac5ba12c428208f0701e
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SSDEEP
768:egjKOwfkQsxi4CUWsFZzdXCHuWFpuQlBVQayBAFp1pAK4gpuK1cnPdFmfbpA9ANt:bKOjssTdFMsAX1pA6G0qm1Y8jgFz4f
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.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation d6cda4a344b3b05b54926ca4d734cbd79a90770ee2257ef01cc89b5ce3e2dd59N.exe -
Executes dropped EXE 1 IoCs
pid Process 3692 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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language d6cda4a344b3b05b54926ca4d734cbd79a90770ee2257ef01cc89b5ce3e2dd59N.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
description pid Process procid_target PID 4116 wrote to memory of 3692 4116 d6cda4a344b3b05b54926ca4d734cbd79a90770ee2257ef01cc89b5ce3e2dd59N.exe 83 PID 4116 wrote to memory of 3692 4116 d6cda4a344b3b05b54926ca4d734cbd79a90770ee2257ef01cc89b5ce3e2dd59N.exe 83 PID 4116 wrote to memory of 3692 4116 d6cda4a344b3b05b54926ca4d734cbd79a90770ee2257ef01cc89b5ce3e2dd59N.exe 83 PID 4116 wrote to memory of 3220 4116 d6cda4a344b3b05b54926ca4d734cbd79a90770ee2257ef01cc89b5ce3e2dd59N.exe 84 PID 4116 wrote to memory of 3220 4116 d6cda4a344b3b05b54926ca4d734cbd79a90770ee2257ef01cc89b5ce3e2dd59N.exe 84 PID 4116 wrote to memory of 3220 4116 d6cda4a344b3b05b54926ca4d734cbd79a90770ee2257ef01cc89b5ce3e2dd59N.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\d6cda4a344b3b05b54926ca4d734cbd79a90770ee2257ef01cc89b5ce3e2dd59N.exe"C:\Users\Admin\AppData\Local\Temp\d6cda4a344b3b05b54926ca4d734cbd79a90770ee2257ef01cc89b5ce3e2dd59N.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4116 -
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:3692
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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:3220
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
56KB
MD5c80b94ee7fb039a5db3fb6e6a206c392
SHA126b6798e435c9bd22824b3057455b4c22025695c
SHA256bf4d981759461e10d345913160e0c976128b8d608676e9b462b1fcd1563e586d
SHA51258afe8a77b266632a6517f05b85871d61c60e9341c5422e5201ae1f070a5723df2fe40ba79b564ab3ea21faad013e245675f8008d49ac302edf859028fc39fc0
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Filesize
512B
MD51e75a7e32613b9d0b73f13b66c2c2f58
SHA1035e2d6ab4ac34190f0e684681098188409e978c
SHA2569f8aa6da5d4cd4a6f17fc229bb965d1f2525d6bc7f70ffba6a13c7e3bbd2a1f3
SHA512e8ba9e9796b506655b9432ed7036383a3eab746a948a18df6e9598e59e6830a834e30bad7455bc22d4ae19a63f051d2aaa57b435594e881130559aac385bd8cf
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Filesize
340B
MD594134e617065036a9284037cf825ee54
SHA18c91befc063c7e7d0ea99a34254fe00cf42c85fd
SHA256c2bf93173e57a82a3bb9715dade1f8c30ef3cb950fc73d48d51bca830d3cfc7a
SHA512ee7f858441923e4ee034f083665e572a7dcc10720d31dc78b18516ea6f80d95b584174c0a4b6f68b2529705c09b9b48a8fe78cb50b862de6d3174c6732a68725