Analysis
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max time kernel
117s -
max time network
120s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
07-12-2024 06:37
Static task
static1
Behavioral task
behavioral1
Sample
b1d263d591940c834ef1db52e6927c26c6666a5ec57bb73d083244438195c886N.exe
Resource
win7-20240903-en
General
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Target
b1d263d591940c834ef1db52e6927c26c6666a5ec57bb73d083244438195c886N.exe
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Size
524KB
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MD5
e19a457d27cf5a4fc46c013f5f35ae40
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SHA1
1683c3ac27076dabcd41fcc69d4ee9c00c5b5ef2
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SHA256
b1d263d591940c834ef1db52e6927c26c6666a5ec57bb73d083244438195c886
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SHA512
b6ddbd1b1e9bb3c430593da4da3fc77c553bf2b8f8e188a88f11389f2192268f1ed9007a95d81095a29be7d68e0f9081de13f1e17fa13f2edb5307ec466c3448
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SSDEEP
12288:irOj+Ri3AgFdNfsuqW8BDSkiqD7hWw+OwZkR:UQ3AgFsuqBXDPh
Malware Config
Extracted
njrat
v4.0
HacKed
103.186.117.182:7788
Windows
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reg_key
Windows
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splitter
|-F-|
Signatures
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Njrat family
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Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 668 powershell.exe 4876 powershell.exe -
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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation b1d263d591940c834ef1db52e6927c26c6666a5ec57bb73d083244438195c886N.exe -
Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.lnk b1d263d591940c834ef1db52e6927c26c6666a5ec57bb73d083244438195c886N.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1120 set thread context of 3204 1120 b1d263d591940c834ef1db52e6927c26c6666a5ec57bb73d083244438195c886N.exe 102 -
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 5 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 b1d263d591940c834ef1db52e6927c26c6666a5ec57bb73d083244438195c886N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b1d263d591940c834ef1db52e6927c26c6666a5ec57bb73d083244438195c886N.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4404 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 1120 b1d263d591940c834ef1db52e6927c26c6666a5ec57bb73d083244438195c886N.exe 1120 b1d263d591940c834ef1db52e6927c26c6666a5ec57bb73d083244438195c886N.exe 668 powershell.exe 4876 powershell.exe 1120 b1d263d591940c834ef1db52e6927c26c6666a5ec57bb73d083244438195c886N.exe 1120 b1d263d591940c834ef1db52e6927c26c6666a5ec57bb73d083244438195c886N.exe 668 powershell.exe 4876 powershell.exe -
Suspicious use of AdjustPrivilegeToken 24 IoCs
description pid Process Token: SeDebugPrivilege 1120 b1d263d591940c834ef1db52e6927c26c6666a5ec57bb73d083244438195c886N.exe Token: SeDebugPrivilege 668 powershell.exe Token: SeDebugPrivilege 4876 powershell.exe Token: SeDebugPrivilege 3204 b1d263d591940c834ef1db52e6927c26c6666a5ec57bb73d083244438195c886N.exe Token: 33 3204 b1d263d591940c834ef1db52e6927c26c6666a5ec57bb73d083244438195c886N.exe Token: SeIncBasePriorityPrivilege 3204 b1d263d591940c834ef1db52e6927c26c6666a5ec57bb73d083244438195c886N.exe Token: 33 3204 b1d263d591940c834ef1db52e6927c26c6666a5ec57bb73d083244438195c886N.exe Token: SeIncBasePriorityPrivilege 3204 b1d263d591940c834ef1db52e6927c26c6666a5ec57bb73d083244438195c886N.exe Token: 33 3204 b1d263d591940c834ef1db52e6927c26c6666a5ec57bb73d083244438195c886N.exe Token: SeIncBasePriorityPrivilege 3204 b1d263d591940c834ef1db52e6927c26c6666a5ec57bb73d083244438195c886N.exe Token: 33 3204 b1d263d591940c834ef1db52e6927c26c6666a5ec57bb73d083244438195c886N.exe Token: SeIncBasePriorityPrivilege 3204 b1d263d591940c834ef1db52e6927c26c6666a5ec57bb73d083244438195c886N.exe Token: 33 3204 b1d263d591940c834ef1db52e6927c26c6666a5ec57bb73d083244438195c886N.exe Token: SeIncBasePriorityPrivilege 3204 b1d263d591940c834ef1db52e6927c26c6666a5ec57bb73d083244438195c886N.exe Token: 33 3204 b1d263d591940c834ef1db52e6927c26c6666a5ec57bb73d083244438195c886N.exe Token: SeIncBasePriorityPrivilege 3204 b1d263d591940c834ef1db52e6927c26c6666a5ec57bb73d083244438195c886N.exe Token: 33 3204 b1d263d591940c834ef1db52e6927c26c6666a5ec57bb73d083244438195c886N.exe Token: SeIncBasePriorityPrivilege 3204 b1d263d591940c834ef1db52e6927c26c6666a5ec57bb73d083244438195c886N.exe Token: 33 3204 b1d263d591940c834ef1db52e6927c26c6666a5ec57bb73d083244438195c886N.exe Token: SeIncBasePriorityPrivilege 3204 b1d263d591940c834ef1db52e6927c26c6666a5ec57bb73d083244438195c886N.exe Token: 33 3204 b1d263d591940c834ef1db52e6927c26c6666a5ec57bb73d083244438195c886N.exe Token: SeIncBasePriorityPrivilege 3204 b1d263d591940c834ef1db52e6927c26c6666a5ec57bb73d083244438195c886N.exe Token: 33 3204 b1d263d591940c834ef1db52e6927c26c6666a5ec57bb73d083244438195c886N.exe Token: SeIncBasePriorityPrivilege 3204 b1d263d591940c834ef1db52e6927c26c6666a5ec57bb73d083244438195c886N.exe -
Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 1120 wrote to memory of 668 1120 b1d263d591940c834ef1db52e6927c26c6666a5ec57bb73d083244438195c886N.exe 96 PID 1120 wrote to memory of 668 1120 b1d263d591940c834ef1db52e6927c26c6666a5ec57bb73d083244438195c886N.exe 96 PID 1120 wrote to memory of 668 1120 b1d263d591940c834ef1db52e6927c26c6666a5ec57bb73d083244438195c886N.exe 96 PID 1120 wrote to memory of 4876 1120 b1d263d591940c834ef1db52e6927c26c6666a5ec57bb73d083244438195c886N.exe 98 PID 1120 wrote to memory of 4876 1120 b1d263d591940c834ef1db52e6927c26c6666a5ec57bb73d083244438195c886N.exe 98 PID 1120 wrote to memory of 4876 1120 b1d263d591940c834ef1db52e6927c26c6666a5ec57bb73d083244438195c886N.exe 98 PID 1120 wrote to memory of 4404 1120 b1d263d591940c834ef1db52e6927c26c6666a5ec57bb73d083244438195c886N.exe 100 PID 1120 wrote to memory of 4404 1120 b1d263d591940c834ef1db52e6927c26c6666a5ec57bb73d083244438195c886N.exe 100 PID 1120 wrote to memory of 4404 1120 b1d263d591940c834ef1db52e6927c26c6666a5ec57bb73d083244438195c886N.exe 100 PID 1120 wrote to memory of 3204 1120 b1d263d591940c834ef1db52e6927c26c6666a5ec57bb73d083244438195c886N.exe 102 PID 1120 wrote to memory of 3204 1120 b1d263d591940c834ef1db52e6927c26c6666a5ec57bb73d083244438195c886N.exe 102 PID 1120 wrote to memory of 3204 1120 b1d263d591940c834ef1db52e6927c26c6666a5ec57bb73d083244438195c886N.exe 102 PID 1120 wrote to memory of 3204 1120 b1d263d591940c834ef1db52e6927c26c6666a5ec57bb73d083244438195c886N.exe 102 PID 1120 wrote to memory of 3204 1120 b1d263d591940c834ef1db52e6927c26c6666a5ec57bb73d083244438195c886N.exe 102 PID 1120 wrote to memory of 3204 1120 b1d263d591940c834ef1db52e6927c26c6666a5ec57bb73d083244438195c886N.exe 102 PID 1120 wrote to memory of 3204 1120 b1d263d591940c834ef1db52e6927c26c6666a5ec57bb73d083244438195c886N.exe 102 PID 1120 wrote to memory of 3204 1120 b1d263d591940c834ef1db52e6927c26c6666a5ec57bb73d083244438195c886N.exe 102
Processes
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C:\Users\Admin\AppData\Local\Temp\b1d263d591940c834ef1db52e6927c26c6666a5ec57bb73d083244438195c886N.exe"C:\Users\Admin\AppData\Local\Temp\b1d263d591940c834ef1db52e6927c26c6666a5ec57bb73d083244438195c886N.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1120 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\b1d263d591940c834ef1db52e6927c26c6666a5ec57bb73d083244438195c886N.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:668
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\GhImdAUxyGDCFQ.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4876
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\GhImdAUxyGDCFQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp24E8.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:4404
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C:\Users\Admin\AppData\Local\Temp\b1d263d591940c834ef1db52e6927c26c6666a5ec57bb73d083244438195c886N.exe"C:\Users\Admin\AppData\Local\Temp\b1d263d591940c834ef1db52e6927c26c6666a5ec57bb73d083244438195c886N.exe"2⤵
- Drops startup file
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:3204
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2KB
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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Filesize
18KB
MD52ed9f41b347c61bc8fa5828266493d9d
SHA1962185338618fc852edec7a94a467a879462408f
SHA256e7dfadf7f558a7b8735f3dbe02199a392e85329a6919ce51b9b06ca16c41ba82
SHA512d6807480f2892071003adfb8e06b0b6e25288f9a3d92097f0c27d426471f3af847b97edc72be0c2ff6985e77243c250e09fd6980ec43e0f61f303ad23bc5d530
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD581547a0ae60a1e410a013d5d5db0d211
SHA1ef3d50bbb9ca8b33ec356e2b04d9cf9c2abb5e3e
SHA25630816725c87263743528286693f03382a335000decd7cb9abc3916dbd7f9e9b8
SHA512e8505d217f19170fa494c88a003bde493a9fba6939577ab3350ab7edafca1f1919cd4a6062f8d86ad29fc60bca622ca8a58e3380b14a83de087bce2c7802278f