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Analysis
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max time kernel
897s -
max time network
901s -
platform
windows10-2004_x64 -
resource
win10v2004-20250207-fr -
resource tags
arch:x64arch:x86image:win10v2004-20250207-frlocale:fr-fros:windows10-2004-x64systemwindows -
submitted
08/02/2025, 11:40
Behavioral task
behavioral1
Sample
nkth.exe
Resource
win10ltsc2021-20250207-fr
Behavioral task
behavioral2
Sample
nkth.exe
Resource
win10v2004-20250207-fr
Behavioral task
behavioral3
Sample
nkth.exe
Resource
win10ltsc2021-20250207-fr
General
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Target
nkth.exe
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Size
55KB
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MD5
33644523cb6a6c01bbf2dd5c3a97aafc
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SHA1
7fd0d35a09a32693d30ffdb49ecd69c1229d2a20
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SHA256
e451ebc803766d533d92baf458485284fb64cc3e8d4491cf410ea7fb2d5ded45
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SHA512
43bddd6e1cd6acf040fec6d2b51afd86daa0f5f8ef7990b7dab2e9a42bdcdec5fede30d0510e6fdfd1cb08a4028e5057061f7c4e91a8b5a300ae1af9505cef2b
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SSDEEP
1536:5EOADn6cpNPmSpVcDGiwsNMDdXExI3pmsm:bADn6cPzLcDGiwsNMDdXExI3pm
Malware Config
Signatures
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Njrat family
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Downloads MZ/PE file 1 IoCs
flow pid Process 38 1592 Process not Found -
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 nkth.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language MicrosoftEdgeUpdate.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 1932 MicrosoftEdgeUpdate.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 4156 nkth.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 4156 nkth.exe Token: 33 4156 nkth.exe Token: SeIncBasePriorityPrivilege 4156 nkth.exe Token: 33 4156 nkth.exe Token: SeIncBasePriorityPrivilege 4156 nkth.exe Token: 33 4156 nkth.exe Token: SeIncBasePriorityPrivilege 4156 nkth.exe Token: 33 4156 nkth.exe Token: SeIncBasePriorityPrivilege 4156 nkth.exe Token: 33 4156 nkth.exe Token: SeIncBasePriorityPrivilege 4156 nkth.exe Token: 33 4156 nkth.exe Token: SeIncBasePriorityPrivilege 4156 nkth.exe Token: 33 4156 nkth.exe Token: SeIncBasePriorityPrivilege 4156 nkth.exe Token: 33 4156 nkth.exe Token: SeIncBasePriorityPrivilege 4156 nkth.exe Token: 33 4156 nkth.exe Token: SeIncBasePriorityPrivilege 4156 nkth.exe Token: 33 4156 nkth.exe Token: SeIncBasePriorityPrivilege 4156 nkth.exe Token: 33 4156 nkth.exe Token: SeIncBasePriorityPrivilege 4156 nkth.exe Token: 33 4156 nkth.exe Token: SeIncBasePriorityPrivilege 4156 nkth.exe Token: 33 4156 nkth.exe Token: SeIncBasePriorityPrivilege 4156 nkth.exe Token: 33 4156 nkth.exe Token: SeIncBasePriorityPrivilege 4156 nkth.exe Token: 33 4156 nkth.exe Token: SeIncBasePriorityPrivilege 4156 nkth.exe Token: 33 4156 nkth.exe Token: SeIncBasePriorityPrivilege 4156 nkth.exe Token: 33 4156 nkth.exe Token: SeIncBasePriorityPrivilege 4156 nkth.exe Token: 33 4156 nkth.exe Token: SeIncBasePriorityPrivilege 4156 nkth.exe Token: 33 4156 nkth.exe Token: SeIncBasePriorityPrivilege 4156 nkth.exe Token: 33 4156 nkth.exe Token: SeIncBasePriorityPrivilege 4156 nkth.exe Token: 33 4156 nkth.exe Token: SeIncBasePriorityPrivilege 4156 nkth.exe Token: 33 4156 nkth.exe Token: SeIncBasePriorityPrivilege 4156 nkth.exe Token: 33 4156 nkth.exe Token: SeIncBasePriorityPrivilege 4156 nkth.exe Token: 33 4156 nkth.exe Token: SeIncBasePriorityPrivilege 4156 nkth.exe Token: 33 4156 nkth.exe Token: SeIncBasePriorityPrivilege 4156 nkth.exe Token: 33 4156 nkth.exe Token: SeIncBasePriorityPrivilege 4156 nkth.exe Token: 33 4156 nkth.exe Token: SeIncBasePriorityPrivilege 4156 nkth.exe Token: 33 4156 nkth.exe Token: SeIncBasePriorityPrivilege 4156 nkth.exe Token: 33 4156 nkth.exe Token: SeIncBasePriorityPrivilege 4156 nkth.exe Token: 33 4156 nkth.exe Token: SeIncBasePriorityPrivilege 4156 nkth.exe Token: 33 4156 nkth.exe Token: SeIncBasePriorityPrivilege 4156 nkth.exe Token: 33 4156 nkth.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\nkth.exe"C:\Users\Admin\AppData\Local\Temp\nkth.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:4156
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C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSIwIiBpbnN0YWxsZGF0ZXRpbWU9IjE3Mzg5NDQ5MjgiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4MzQxNzQzMjM4OTAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1MDkwMDcwODQzIi8-PC9hcHA-PC9yZXF1ZXN0Pg1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:1932