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Analysis
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max time kernel
1200s -
max time network
1155s -
platform
windows11-21h2_x64 -
resource
win11-20241007-en -
resource tags
arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system -
submitted
02/12/2024, 17:13
Behavioral task
behavioral1
Sample
celex.exe
Resource
win11-20241007-en
windows11-21h2-x64
10 signatures
1200 seconds
General
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Target
celex.exe
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Size
55KB
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MD5
059fd4cebd6fa3272a145fc6ef42f5f9
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SHA1
064b17bfc80151c060e2c2863390bcf7af90a467
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SHA256
5437080e89ca02f2de4f23eb66533155888bdbf257612326194f6de85a28b524
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SHA512
4c323cdcd21c10451f5345eeb40ac1b3ccafb80180d46bfc1e85bf40747d45481e649efafd9a01d79e8099cd1b65fba2138919ee9be282f94ecb4d0df2bcec79
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SSDEEP
1536:sEYADn8fLN2/SbJtDDcwsNMDpXExI3pmmm:+ADnccqbXDDcwsNMDpXExI3pm
Score
10/10
Malware Config
Signatures
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Njrat family
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Drops startup file 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\d5abb059f0ac6ccf0e49c90e494c030a.exe celex.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\d5abb059f0ac6ccf0e49c90e494c030a.exe celex.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4018527317-446799424-2810249686-1000\Software\Microsoft\Windows\CurrentVersion\Run\d5abb059f0ac6ccf0e49c90e494c030a = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\celex.exe\" .." celex.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\d5abb059f0ac6ccf0e49c90e494c030a = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\celex.exe\" .." celex.exe -
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 celex.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language attrib.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2460 celex.exe 2460 celex.exe 2460 celex.exe 2460 celex.exe 2460 celex.exe 2460 celex.exe 2460 celex.exe 2460 celex.exe 2460 celex.exe 2460 celex.exe 2460 celex.exe 2460 celex.exe 2460 celex.exe 2460 celex.exe 2460 celex.exe 2460 celex.exe 2460 celex.exe 2460 celex.exe 2460 celex.exe 2460 celex.exe 2460 celex.exe 2460 celex.exe 2460 celex.exe 2460 celex.exe 2460 celex.exe 2460 celex.exe 2460 celex.exe 2460 celex.exe 2460 celex.exe 2460 celex.exe 2460 celex.exe 2460 celex.exe 2460 celex.exe 2460 celex.exe 2460 celex.exe 2460 celex.exe 2460 celex.exe 2460 celex.exe 2460 celex.exe 2460 celex.exe 2460 celex.exe 2460 celex.exe 2460 celex.exe 2460 celex.exe 2460 celex.exe 2460 celex.exe 2460 celex.exe 2460 celex.exe 2460 celex.exe 2460 celex.exe 2460 celex.exe 2460 celex.exe 2460 celex.exe 2460 celex.exe 2460 celex.exe 2460 celex.exe 2460 celex.exe 2460 celex.exe 2460 celex.exe 2460 celex.exe 2460 celex.exe 2460 celex.exe 2460 celex.exe 2460 celex.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2460 celex.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 2460 celex.exe Token: 33 2460 celex.exe Token: SeIncBasePriorityPrivilege 2460 celex.exe Token: 33 2460 celex.exe Token: SeIncBasePriorityPrivilege 2460 celex.exe Token: 33 2460 celex.exe Token: SeIncBasePriorityPrivilege 2460 celex.exe Token: 33 2460 celex.exe Token: SeIncBasePriorityPrivilege 2460 celex.exe Token: 33 2460 celex.exe Token: SeIncBasePriorityPrivilege 2460 celex.exe Token: 33 2460 celex.exe Token: SeIncBasePriorityPrivilege 2460 celex.exe Token: 33 2460 celex.exe Token: SeIncBasePriorityPrivilege 2460 celex.exe Token: 33 2460 celex.exe Token: SeIncBasePriorityPrivilege 2460 celex.exe Token: 33 2460 celex.exe Token: SeIncBasePriorityPrivilege 2460 celex.exe Token: 33 2460 celex.exe Token: SeIncBasePriorityPrivilege 2460 celex.exe Token: 33 2460 celex.exe Token: SeIncBasePriorityPrivilege 2460 celex.exe Token: 33 2460 celex.exe Token: SeIncBasePriorityPrivilege 2460 celex.exe Token: 33 2460 celex.exe Token: SeIncBasePriorityPrivilege 2460 celex.exe Token: 33 2460 celex.exe Token: SeIncBasePriorityPrivilege 2460 celex.exe Token: 33 2460 celex.exe Token: SeIncBasePriorityPrivilege 2460 celex.exe Token: 33 2460 celex.exe Token: SeIncBasePriorityPrivilege 2460 celex.exe Token: 33 2460 celex.exe Token: SeIncBasePriorityPrivilege 2460 celex.exe Token: 33 2460 celex.exe Token: SeIncBasePriorityPrivilege 2460 celex.exe Token: 33 2460 celex.exe Token: SeIncBasePriorityPrivilege 2460 celex.exe Token: 33 2460 celex.exe Token: SeIncBasePriorityPrivilege 2460 celex.exe Token: 33 2460 celex.exe Token: SeIncBasePriorityPrivilege 2460 celex.exe Token: 33 2460 celex.exe Token: SeIncBasePriorityPrivilege 2460 celex.exe Token: 33 2460 celex.exe Token: SeIncBasePriorityPrivilege 2460 celex.exe Token: 33 2460 celex.exe Token: SeIncBasePriorityPrivilege 2460 celex.exe Token: 33 2460 celex.exe Token: SeIncBasePriorityPrivilege 2460 celex.exe Token: 33 2460 celex.exe Token: SeIncBasePriorityPrivilege 2460 celex.exe Token: 33 2460 celex.exe Token: SeIncBasePriorityPrivilege 2460 celex.exe Token: 33 2460 celex.exe Token: SeIncBasePriorityPrivilege 2460 celex.exe Token: 33 2460 celex.exe Token: SeIncBasePriorityPrivilege 2460 celex.exe Token: 33 2460 celex.exe Token: SeIncBasePriorityPrivilege 2460 celex.exe Token: 33 2460 celex.exe Token: SeIncBasePriorityPrivilege 2460 celex.exe Token: 33 2460 celex.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2460 wrote to memory of 2952 2460 celex.exe 77 PID 2460 wrote to memory of 2952 2460 celex.exe 77 PID 2460 wrote to memory of 2952 2460 celex.exe 77 -
Views/modifies file attributes 1 TTPs 1 IoCs
pid Process 2952 attrib.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\celex.exe"C:\Users\Admin\AppData\Local\Temp\celex.exe"1⤵
- Drops startup file
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2460 -
C:\Windows\SysWOW64\attrib.exeattrib +h "C:\Users\Admin\AppData\Local\Temp\celex.exe"2⤵
- System Location Discovery: System Language Discovery
- Views/modifies file attributes
PID:2952
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