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
22-11-2024 14:43
Static task
static1
Behavioral task
behavioral1
Sample
805564d0eaa880cd1cfa066dddf9d3ce193e213854633b3c4a1079623e5d6fca.exe
Resource
win7-20240903-en
General
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Target
805564d0eaa880cd1cfa066dddf9d3ce193e213854633b3c4a1079623e5d6fca.exe
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Size
60KB
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MD5
3a3a07e83d025f33d0b1503466548891
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SHA1
6de3a52fc07ffa87a3fc69100eb0038283979845
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SHA256
805564d0eaa880cd1cfa066dddf9d3ce193e213854633b3c4a1079623e5d6fca
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SHA512
8c638b69172391e216a9d5f41146f73d66f7feeb53fa2e5db6bca54fe52d026cd273611780905c7249de689e5eeb433a9429255453ab5465b5c2dff59577987f
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SSDEEP
768:n5mhew0GpSyMe6hwUkdwJzh+qciaQRENEzxZbARtR06g2wqp4YPeznellmqGwxPM:nK0GjMeQG3iaQREuVZ6ro29p4YxbKd93
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:
805564d0eaa880cd1cfa066dddf9d3ce193e213854633b3c4a1079623e5d6fca.exedescription ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation 805564d0eaa880cd1cfa066dddf9d3ce193e213854633b3c4a1079623e5d6fca.exe -
Executes dropped EXE 1 IoCs
Processes:
biudfw.exepid Process 2180 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:
805564d0eaa880cd1cfa066dddf9d3ce193e213854633b3c4a1079623e5d6fca.exebiudfw.execmd.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 805564d0eaa880cd1cfa066dddf9d3ce193e213854633b3c4a1079623e5d6fca.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:
805564d0eaa880cd1cfa066dddf9d3ce193e213854633b3c4a1079623e5d6fca.exedescription pid Process procid_target PID 4368 wrote to memory of 2180 4368 805564d0eaa880cd1cfa066dddf9d3ce193e213854633b3c4a1079623e5d6fca.exe 86 PID 4368 wrote to memory of 2180 4368 805564d0eaa880cd1cfa066dddf9d3ce193e213854633b3c4a1079623e5d6fca.exe 86 PID 4368 wrote to memory of 2180 4368 805564d0eaa880cd1cfa066dddf9d3ce193e213854633b3c4a1079623e5d6fca.exe 86 PID 4368 wrote to memory of 536 4368 805564d0eaa880cd1cfa066dddf9d3ce193e213854633b3c4a1079623e5d6fca.exe 87 PID 4368 wrote to memory of 536 4368 805564d0eaa880cd1cfa066dddf9d3ce193e213854633b3c4a1079623e5d6fca.exe 87 PID 4368 wrote to memory of 536 4368 805564d0eaa880cd1cfa066dddf9d3ce193e213854633b3c4a1079623e5d6fca.exe 87
Processes
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C:\Users\Admin\AppData\Local\Temp\805564d0eaa880cd1cfa066dddf9d3ce193e213854633b3c4a1079623e5d6fca.exe"C:\Users\Admin\AppData\Local\Temp\805564d0eaa880cd1cfa066dddf9d3ce193e213854633b3c4a1079623e5d6fca.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4368 -
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:2180
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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:536
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
60KB
MD598b145c17f173b621dca265ae5725771
SHA1f478c30a4d8a6e51f4a4d57698fe585fbae171b1
SHA256aa265ceb3931fede566c71e55ff87194b54a2b0842a45ed3766d5d21a9cc3231
SHA51239c9799dfa12ae10d7c4d164b58d5dc73eeaf342a5753d4afc39c0790fdedabb84984addd06cdd327930af459a834e66dc506fb7ef3f01216b5147651a3c41d2
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Filesize
512B
MD555e10a9af74d3f3fa5ae3cb7ff5ad9d4
SHA1449221fd8d7196a54de2bd583625d8d1b64db56a
SHA256a945a44cfe50423c01f26a16445ed177a347052e791364a9cb7de6bcaa18f3c1
SHA5124af5ba74467b4c61302ea9571f19346c05f911843f2c6153fcd9a7340f9bc6e1f8867cdb72ec7ba0dc4930199aa5c302711ad5da9fd35241839418f6e70a515a
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Filesize
338B
MD511cf11515797e1c45d18994521bb9b27
SHA19a86ef7e3cf4670aa64c425cffeb800cece526b1
SHA256b1e2de22b3825a4c1def5778e98c2c37eaea91a84ca2f3675c9fbb234f551d02
SHA5128aaa20e5814dbfa75559c444223df85305ed4fd374549569ce75702e23adfd192f16877bd592a9ca7149e4c614efffe79c4b60b3ef7bba3db97c220383d7619e