Analysis
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max time kernel
92s -
max time network
93s -
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 20:26
Static task
static1
Behavioral task
behavioral1
Sample
d9374c75d33b6b44e45a576fa01a39bc26cf3aaf71ae39781cab1f437a41f103.exe
Resource
win7-20240903-en
General
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Target
d9374c75d33b6b44e45a576fa01a39bc26cf3aaf71ae39781cab1f437a41f103.exe
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Size
60KB
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MD5
3d1d7d767216e01ece5829add86d3f8e
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SHA1
d77516e5a07292e8657b1fe400e798e860828b5c
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SHA256
d9374c75d33b6b44e45a576fa01a39bc26cf3aaf71ae39781cab1f437a41f103
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SHA512
e0cd8a1a19963ff70001e450d99f8bfff3f3477a5a032ad9b33e3e0c71d62a0d6248e21d32c396c102a2cc99981d2588a2059df3a6973db05c02d15c6ab2fe6f
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SSDEEP
768:n5mhew0GpSyMe6hwUkdwJzh+qciaQRENEzxZbARtR06g2wqp4YPeznellmqGwxPh:nK0GjMeQG3iaQREuVZ6ro29p4YxbKd98
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:
d9374c75d33b6b44e45a576fa01a39bc26cf3aaf71ae39781cab1f437a41f103.exedescription ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation d9374c75d33b6b44e45a576fa01a39bc26cf3aaf71ae39781cab1f437a41f103.exe -
Executes dropped EXE 1 IoCs
Processes:
biudfw.exepid Process 5052 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:
d9374c75d33b6b44e45a576fa01a39bc26cf3aaf71ae39781cab1f437a41f103.exebiudfw.execmd.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language d9374c75d33b6b44e45a576fa01a39bc26cf3aaf71ae39781cab1f437a41f103.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:
d9374c75d33b6b44e45a576fa01a39bc26cf3aaf71ae39781cab1f437a41f103.exedescription pid Process procid_target PID 804 wrote to memory of 5052 804 d9374c75d33b6b44e45a576fa01a39bc26cf3aaf71ae39781cab1f437a41f103.exe 83 PID 804 wrote to memory of 5052 804 d9374c75d33b6b44e45a576fa01a39bc26cf3aaf71ae39781cab1f437a41f103.exe 83 PID 804 wrote to memory of 5052 804 d9374c75d33b6b44e45a576fa01a39bc26cf3aaf71ae39781cab1f437a41f103.exe 83 PID 804 wrote to memory of 3324 804 d9374c75d33b6b44e45a576fa01a39bc26cf3aaf71ae39781cab1f437a41f103.exe 84 PID 804 wrote to memory of 3324 804 d9374c75d33b6b44e45a576fa01a39bc26cf3aaf71ae39781cab1f437a41f103.exe 84 PID 804 wrote to memory of 3324 804 d9374c75d33b6b44e45a576fa01a39bc26cf3aaf71ae39781cab1f437a41f103.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\d9374c75d33b6b44e45a576fa01a39bc26cf3aaf71ae39781cab1f437a41f103.exe"C:\Users\Admin\AppData\Local\Temp\d9374c75d33b6b44e45a576fa01a39bc26cf3aaf71ae39781cab1f437a41f103.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:804 -
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:5052
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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:3324
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
60KB
MD5708ef6db455590f2e08fed418e351d54
SHA14ad48ea36fe244f85f364757fe7c202a312e1d92
SHA256e3fc56eda001f3a796f7ba2973b1b4871d35944207a5b921175a01da3f809c8c
SHA512713fa27ce6c28f9077fdd312acf4d9a4942b2f03870936d24c456995e0e0433a4f74a465d71ba54f14baf4fd6b233f5e0b0c92cd96992f6b7afe4a8d8adc800c
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Filesize
512B
MD555e10a9af74d3f3fa5ae3cb7ff5ad9d4
SHA1449221fd8d7196a54de2bd583625d8d1b64db56a
SHA256a945a44cfe50423c01f26a16445ed177a347052e791364a9cb7de6bcaa18f3c1
SHA5124af5ba74467b4c61302ea9571f19346c05f911843f2c6153fcd9a7340f9bc6e1f8867cdb72ec7ba0dc4930199aa5c302711ad5da9fd35241839418f6e70a515a
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Filesize
338B
MD5e88d29ba583b3d32d722405eb6c9ece7
SHA1358e6860b1b668dc0b9c6cb1b6bfdb7b9ee8f761
SHA256391eef5d6db9d58b35d7c843ea32befbf496c2d97179e09a90611e8c2f536ac1
SHA5127b355c2e9b81f481285596ff49132aa653cd80337387e756247e79c8b194f7d8a5b5bd54f4a16c23c6cfef4527cc305a6adeb64771a5fc3a95b54fcbaf4008b0