Analysis
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max time kernel
93s -
max time network
94s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
23-11-2024 14:37
Static task
static1
Behavioral task
behavioral1
Sample
3eb8178319573c09aae71dce86038f9c8812a68c3279e1b1ee7a7c36df816ef1.exe
Resource
win7-20240903-en
General
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Target
3eb8178319573c09aae71dce86038f9c8812a68c3279e1b1ee7a7c36df816ef1.exe
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Size
60KB
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MD5
14066660fe9e064688af3d0a47fe23cc
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SHA1
437a2459722a4d5b894be0104d536f50ea3de021
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SHA256
3eb8178319573c09aae71dce86038f9c8812a68c3279e1b1ee7a7c36df816ef1
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SHA512
915bc3d120a555ba060025a673e73d5b1597629cf591cc9b359f514fac0b646ee4334fb7f2c6548b7411d5aeb83ba503e2bb98ffb629ff727a4345e614e1fb40
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SSDEEP
768:n5mhew0GpSyMe6hwUkdwJzh+qciaQRENEzxZbARtR06g2wqp4YPeznellmqGwxPW:nK0GjMeQG3iaQREuVZ6ro29p4YxbKdaS
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:
3eb8178319573c09aae71dce86038f9c8812a68c3279e1b1ee7a7c36df816ef1.exedescription ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation 3eb8178319573c09aae71dce86038f9c8812a68c3279e1b1ee7a7c36df816ef1.exe -
Executes dropped EXE 1 IoCs
Processes:
biudfw.exepid Process 4364 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:
3eb8178319573c09aae71dce86038f9c8812a68c3279e1b1ee7a7c36df816ef1.exebiudfw.execmd.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 3eb8178319573c09aae71dce86038f9c8812a68c3279e1b1ee7a7c36df816ef1.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:
3eb8178319573c09aae71dce86038f9c8812a68c3279e1b1ee7a7c36df816ef1.exedescription pid Process procid_target PID 1260 wrote to memory of 4364 1260 3eb8178319573c09aae71dce86038f9c8812a68c3279e1b1ee7a7c36df816ef1.exe 82 PID 1260 wrote to memory of 4364 1260 3eb8178319573c09aae71dce86038f9c8812a68c3279e1b1ee7a7c36df816ef1.exe 82 PID 1260 wrote to memory of 4364 1260 3eb8178319573c09aae71dce86038f9c8812a68c3279e1b1ee7a7c36df816ef1.exe 82 PID 1260 wrote to memory of 3212 1260 3eb8178319573c09aae71dce86038f9c8812a68c3279e1b1ee7a7c36df816ef1.exe 85 PID 1260 wrote to memory of 3212 1260 3eb8178319573c09aae71dce86038f9c8812a68c3279e1b1ee7a7c36df816ef1.exe 85 PID 1260 wrote to memory of 3212 1260 3eb8178319573c09aae71dce86038f9c8812a68c3279e1b1ee7a7c36df816ef1.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\3eb8178319573c09aae71dce86038f9c8812a68c3279e1b1ee7a7c36df816ef1.exe"C:\Users\Admin\AppData\Local\Temp\3eb8178319573c09aae71dce86038f9c8812a68c3279e1b1ee7a7c36df816ef1.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1260 -
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:4364
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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:3212
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
60KB
MD5251c3712d089abb922fd3f3bffa45f2a
SHA142719ed60029c1a38998d28bf775b6bcc3a0bf23
SHA256075deb120ec7df3ab2102ff1361af579ed68bda7d5e6326223daf9b682d68096
SHA512069b8ada8bc61ab8f5f432649b548586d7d4e3c4322fcf6a8c115038af6787cf697a5b5eb0b5da6ecb9e19a6f57034b40651f0445ef0d2a7cf3f6bde257fc5dd
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Filesize
512B
MD555e10a9af74d3f3fa5ae3cb7ff5ad9d4
SHA1449221fd8d7196a54de2bd583625d8d1b64db56a
SHA256a945a44cfe50423c01f26a16445ed177a347052e791364a9cb7de6bcaa18f3c1
SHA5124af5ba74467b4c61302ea9571f19346c05f911843f2c6153fcd9a7340f9bc6e1f8867cdb72ec7ba0dc4930199aa5c302711ad5da9fd35241839418f6e70a515a
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Filesize
338B
MD5d2f3a3645bb1d4f53f618475eae39a6b
SHA18e106c3370722e1871171bf9aa4625ef8e7f526a
SHA256c8cff3a5a9bdad29f80f3ff06a9726aa4d2c673d3ebd0b50ed5d85ac1e3e02a1
SHA5122335ac7e25955d32378c882b6c671ee0ede2277fcd86a63a2578a231a5dc0b6aa47a1ac830d59fe0bd84013481be3135c6a6b6bd42e3750b49b56dd18c9f3f9f