Analysis
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max time kernel
140s -
max time network
143s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
11/09/2024, 04:35
Static task
static1
Behavioral task
behavioral1
Sample
f9134d3715376f5e6dd3dfafe5edc03c99a169e9acb5e6dc6977606f8d085fbc.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
f9134d3715376f5e6dd3dfafe5edc03c99a169e9acb5e6dc6977606f8d085fbc.exe
Resource
win10v2004-20240802-en
General
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Target
f9134d3715376f5e6dd3dfafe5edc03c99a169e9acb5e6dc6977606f8d085fbc.exe
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Size
26KB
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MD5
79c8840990c145eeb801dfb0f1581bf5
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SHA1
1929ba53979662d20a655aa4a99c14eb9c872f3b
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SHA256
f9134d3715376f5e6dd3dfafe5edc03c99a169e9acb5e6dc6977606f8d085fbc
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SHA512
a2f3dacf21dc7a9f5bc341db5d705ff77a703b38c3e74468ff1201198ad78151097cc0cdff0048a09afac8abc7d593c685b686291b6a30d47e1826b197b30404
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SSDEEP
384:F3EqGY2HXgrS40Lol5ZLzH4VhvshYpATUgch1A9NB/erxUkcf:F3EqG5H8PuoljH4vEhkgs1lxUf
Malware Config
Signatures
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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-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation f9134d3715376f5e6dd3dfafe5edc03c99a169e9acb5e6dc6977606f8d085fbc.exe -
Executes dropped EXE 1 IoCs
pid Process 2588 winupdate.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 2 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 f9134d3715376f5e6dd3dfafe5edc03c99a169e9acb5e6dc6977606f8d085fbc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winupdate.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2636 wrote to memory of 2588 2636 f9134d3715376f5e6dd3dfafe5edc03c99a169e9acb5e6dc6977606f8d085fbc.exe 84 PID 2636 wrote to memory of 2588 2636 f9134d3715376f5e6dd3dfafe5edc03c99a169e9acb5e6dc6977606f8d085fbc.exe 84 PID 2636 wrote to memory of 2588 2636 f9134d3715376f5e6dd3dfafe5edc03c99a169e9acb5e6dc6977606f8d085fbc.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\f9134d3715376f5e6dd3dfafe5edc03c99a169e9acb5e6dc6977606f8d085fbc.exe"C:\Users\Admin\AppData\Local\Temp\f9134d3715376f5e6dd3dfafe5edc03c99a169e9acb5e6dc6977606f8d085fbc.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2636 -
C:\Users\Admin\AppData\Local\Temp\winupdate.exe"C:\Users\Admin\AppData\Local\Temp\winupdate.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2588
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
26KB
MD522737e2e0c3296556e7ce523a2f79f56
SHA17a05d1825671519c9e818fd1833bfcc37ca72abe
SHA2562dcda41a8cd048c196047101a2d33579a6b72c3c6b3a0d710f4cb47a1f587960
SHA512a5035bfbd31f61a32134a3bfeadc884fab3f91ee99fe89815770f7cbbbd5df2bddb1efee9feb8eb33d7247f0c9d772d9290080ee49a4440c30488b9f817cf737