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Analysis
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max time kernel
150s -
max time network
144s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
02/12/2024, 17:25
Behavioral task
behavioral1
Sample
celex.exe
Resource
win7-20240903-en
windows7-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
celex.exe
Resource
win10v2004-20241007-en
windows10-2004-x64
9 signatures
150 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-1-5-21-3227495264-2217614367-4027411560-1000\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 4028 celex.exe 4028 celex.exe 4028 celex.exe 4028 celex.exe 4028 celex.exe 4028 celex.exe 4028 celex.exe 4028 celex.exe 4028 celex.exe 4028 celex.exe 4028 celex.exe 4028 celex.exe 4028 celex.exe 4028 celex.exe 4028 celex.exe 4028 celex.exe 4028 celex.exe 4028 celex.exe 4028 celex.exe 4028 celex.exe 4028 celex.exe 4028 celex.exe 4028 celex.exe 4028 celex.exe 4028 celex.exe 4028 celex.exe 4028 celex.exe 4028 celex.exe 4028 celex.exe 4028 celex.exe 4028 celex.exe 4028 celex.exe 4028 celex.exe 4028 celex.exe 4028 celex.exe 4028 celex.exe 4028 celex.exe 4028 celex.exe 4028 celex.exe 4028 celex.exe 4028 celex.exe 4028 celex.exe 4028 celex.exe 4028 celex.exe 4028 celex.exe 4028 celex.exe 4028 celex.exe 4028 celex.exe 4028 celex.exe 4028 celex.exe 4028 celex.exe 4028 celex.exe 4028 celex.exe 4028 celex.exe 4028 celex.exe 4028 celex.exe 4028 celex.exe 4028 celex.exe 4028 celex.exe 4028 celex.exe 4028 celex.exe 4028 celex.exe 4028 celex.exe 4028 celex.exe -
Suspicious use of AdjustPrivilegeToken 37 IoCs
description pid Process Token: SeDebugPrivilege 4028 celex.exe Token: 33 4028 celex.exe Token: SeIncBasePriorityPrivilege 4028 celex.exe Token: 33 4028 celex.exe Token: SeIncBasePriorityPrivilege 4028 celex.exe Token: 33 4028 celex.exe Token: SeIncBasePriorityPrivilege 4028 celex.exe Token: 33 4028 celex.exe Token: SeIncBasePriorityPrivilege 4028 celex.exe Token: 33 4028 celex.exe Token: SeIncBasePriorityPrivilege 4028 celex.exe Token: 33 4028 celex.exe Token: SeIncBasePriorityPrivilege 4028 celex.exe Token: 33 4028 celex.exe Token: SeIncBasePriorityPrivilege 4028 celex.exe Token: 33 4028 celex.exe Token: SeIncBasePriorityPrivilege 4028 celex.exe Token: 33 4028 celex.exe Token: SeIncBasePriorityPrivilege 4028 celex.exe Token: 33 4028 celex.exe Token: SeIncBasePriorityPrivilege 4028 celex.exe Token: 33 4028 celex.exe Token: SeIncBasePriorityPrivilege 4028 celex.exe Token: 33 4028 celex.exe Token: SeIncBasePriorityPrivilege 4028 celex.exe Token: 33 4028 celex.exe Token: SeIncBasePriorityPrivilege 4028 celex.exe Token: 33 4028 celex.exe Token: SeIncBasePriorityPrivilege 4028 celex.exe Token: 33 4028 celex.exe Token: SeIncBasePriorityPrivilege 4028 celex.exe Token: 33 4028 celex.exe Token: SeIncBasePriorityPrivilege 4028 celex.exe Token: 33 4028 celex.exe Token: SeIncBasePriorityPrivilege 4028 celex.exe Token: 33 4028 celex.exe Token: SeIncBasePriorityPrivilege 4028 celex.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4028 wrote to memory of 4768 4028 celex.exe 82 PID 4028 wrote to memory of 4768 4028 celex.exe 82 PID 4028 wrote to memory of 4768 4028 celex.exe 82 -
Views/modifies file attributes 1 TTPs 1 IoCs
pid Process 4768 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 use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4028 -
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:4768
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