Analysis
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max time kernel
119s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-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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Deletes itself 1 IoCs
Processes:
cmd.exepid Process 2780 cmd.exe -
Executes dropped EXE 1 IoCs
Processes:
biudfw.exepid Process 3032 biudfw.exe -
Loads dropped DLL 1 IoCs
Processes:
3eb8178319573c09aae71dce86038f9c8812a68c3279e1b1ee7a7c36df816ef1.exepid Process 2104 3eb8178319573c09aae71dce86038f9c8812a68c3279e1b1ee7a7c36df816ef1.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 8 IoCs
Processes:
3eb8178319573c09aae71dce86038f9c8812a68c3279e1b1ee7a7c36df816ef1.exedescription pid Process procid_target PID 2104 wrote to memory of 3032 2104 3eb8178319573c09aae71dce86038f9c8812a68c3279e1b1ee7a7c36df816ef1.exe 31 PID 2104 wrote to memory of 3032 2104 3eb8178319573c09aae71dce86038f9c8812a68c3279e1b1ee7a7c36df816ef1.exe 31 PID 2104 wrote to memory of 3032 2104 3eb8178319573c09aae71dce86038f9c8812a68c3279e1b1ee7a7c36df816ef1.exe 31 PID 2104 wrote to memory of 3032 2104 3eb8178319573c09aae71dce86038f9c8812a68c3279e1b1ee7a7c36df816ef1.exe 31 PID 2104 wrote to memory of 2780 2104 3eb8178319573c09aae71dce86038f9c8812a68c3279e1b1ee7a7c36df816ef1.exe 32 PID 2104 wrote to memory of 2780 2104 3eb8178319573c09aae71dce86038f9c8812a68c3279e1b1ee7a7c36df816ef1.exe 32 PID 2104 wrote to memory of 2780 2104 3eb8178319573c09aae71dce86038f9c8812a68c3279e1b1ee7a7c36df816ef1.exe 32 PID 2104 wrote to memory of 2780 2104 3eb8178319573c09aae71dce86038f9c8812a68c3279e1b1ee7a7c36df816ef1.exe 32
Processes
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C:\Users\Admin\AppData\Local\Temp\3eb8178319573c09aae71dce86038f9c8812a68c3279e1b1ee7a7c36df816ef1.exe"C:\Users\Admin\AppData\Local\Temp\3eb8178319573c09aae71dce86038f9c8812a68c3279e1b1ee7a7c36df816ef1.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2104 -
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:3032
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C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\sanfdr.bat" "2⤵
- Deletes itself
- System Location Discovery: System Language Discovery
PID:2780
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
60KB
MD59367acb6236f2e7c3b27a06779853989
SHA110c9e2f6de8370c09301be4b77491f716c91b232
SHA256a78c3995d465615f4deb85ee5e2ca341b21a2e6a381cb50e35457ec64ab10a7d
SHA5129e3564245e379f7ddf49b07c518453dece2ae335eee74e32938640946ad0899dce49c10e79f270955f0eae2c67de6ff6217934861c2707ddcf12b88e551f9b6e
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Filesize
512B
MD555e10a9af74d3f3fa5ae3cb7ff5ad9d4
SHA1449221fd8d7196a54de2bd583625d8d1b64db56a
SHA256a945a44cfe50423c01f26a16445ed177a347052e791364a9cb7de6bcaa18f3c1
SHA5124af5ba74467b4c61302ea9571f19346c05f911843f2c6153fcd9a7340f9bc6e1f8867cdb72ec7ba0dc4930199aa5c302711ad5da9fd35241839418f6e70a515a
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Filesize
338B
MD5d2f3a3645bb1d4f53f618475eae39a6b
SHA18e106c3370722e1871171bf9aa4625ef8e7f526a
SHA256c8cff3a5a9bdad29f80f3ff06a9726aa4d2c673d3ebd0b50ed5d85ac1e3e02a1
SHA5122335ac7e25955d32378c882b6c671ee0ede2277fcd86a63a2578a231a5dc0b6aa47a1ac830d59fe0bd84013481be3135c6a6b6bd42e3750b49b56dd18c9f3f9f