Analysis
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max time kernel
147s -
max time network
140s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
28/11/2024, 00:55
Behavioral task
behavioral1
Sample
f8b23a264f58e9001e087af2bf48eed5938db31b5b1b20d973575cfa6a121355.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
f8b23a264f58e9001e087af2bf48eed5938db31b5b1b20d973575cfa6a121355.exe
Resource
win10v2004-20241007-en
General
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Target
f8b23a264f58e9001e087af2bf48eed5938db31b5b1b20d973575cfa6a121355.exe
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Size
23KB
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MD5
2697c90051b724a80526c5b8b47e5df4
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SHA1
749d44fe2640504f15e9bf7b697f1017c8c2637d
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SHA256
f8b23a264f58e9001e087af2bf48eed5938db31b5b1b20d973575cfa6a121355
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SHA512
d0c8d76699f2f88d76eeaf211e59a780969b7692b513495a34013af8380d3fe0616caf03c6e47b8e7721d2f0a369c1dd20860b755b7d607783a99080c5f5315b
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SSDEEP
384:V8aSyS9gB3Y1KIay2X8cLZI6XgxsGJVPpmRvR6JZlbw8hqIusZzZDU:G589tXvRpcnuj
Malware Config
Extracted
njrat
0.7d
mohib
mohibkal.publicvm.com:1978
c14a42d030a82215ba6bc24288fc11a4
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reg_key
c14a42d030a82215ba6bc24288fc11a4
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splitter
|'|'|
Signatures
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Njrat family
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Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2696 netsh.exe -
Executes dropped EXE 1 IoCs
pid Process 2072 svchost.exe -
Loads dropped DLL 1 IoCs
pid Process 2504 f8b23a264f58e9001e087af2bf48eed5938db31b5b1b20d973575cfa6a121355.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs
Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.
description ioc Process Key opened \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh netsh.exe Key queried \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh netsh.exe Key value enumerated \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh netsh.exe -
System Location Discovery: System Language Discovery 1 TTPs 3 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 svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language netsh.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language f8b23a264f58e9001e087af2bf48eed5938db31b5b1b20d973575cfa6a121355.exe -
Suspicious use of AdjustPrivilegeToken 35 IoCs
description pid Process Token: SeDebugPrivilege 2072 svchost.exe Token: 33 2072 svchost.exe Token: SeIncBasePriorityPrivilege 2072 svchost.exe Token: 33 2072 svchost.exe Token: SeIncBasePriorityPrivilege 2072 svchost.exe Token: 33 2072 svchost.exe Token: SeIncBasePriorityPrivilege 2072 svchost.exe Token: 33 2072 svchost.exe Token: SeIncBasePriorityPrivilege 2072 svchost.exe Token: 33 2072 svchost.exe Token: SeIncBasePriorityPrivilege 2072 svchost.exe Token: 33 2072 svchost.exe Token: SeIncBasePriorityPrivilege 2072 svchost.exe Token: 33 2072 svchost.exe Token: SeIncBasePriorityPrivilege 2072 svchost.exe Token: 33 2072 svchost.exe Token: SeIncBasePriorityPrivilege 2072 svchost.exe Token: 33 2072 svchost.exe Token: SeIncBasePriorityPrivilege 2072 svchost.exe Token: 33 2072 svchost.exe Token: SeIncBasePriorityPrivilege 2072 svchost.exe Token: 33 2072 svchost.exe Token: SeIncBasePriorityPrivilege 2072 svchost.exe Token: 33 2072 svchost.exe Token: SeIncBasePriorityPrivilege 2072 svchost.exe Token: 33 2072 svchost.exe Token: SeIncBasePriorityPrivilege 2072 svchost.exe Token: 33 2072 svchost.exe Token: SeIncBasePriorityPrivilege 2072 svchost.exe Token: 33 2072 svchost.exe Token: SeIncBasePriorityPrivilege 2072 svchost.exe Token: 33 2072 svchost.exe Token: SeIncBasePriorityPrivilege 2072 svchost.exe Token: 33 2072 svchost.exe Token: SeIncBasePriorityPrivilege 2072 svchost.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2504 wrote to memory of 2072 2504 f8b23a264f58e9001e087af2bf48eed5938db31b5b1b20d973575cfa6a121355.exe 30 PID 2504 wrote to memory of 2072 2504 f8b23a264f58e9001e087af2bf48eed5938db31b5b1b20d973575cfa6a121355.exe 30 PID 2504 wrote to memory of 2072 2504 f8b23a264f58e9001e087af2bf48eed5938db31b5b1b20d973575cfa6a121355.exe 30 PID 2504 wrote to memory of 2072 2504 f8b23a264f58e9001e087af2bf48eed5938db31b5b1b20d973575cfa6a121355.exe 30 PID 2072 wrote to memory of 2696 2072 svchost.exe 32 PID 2072 wrote to memory of 2696 2072 svchost.exe 32 PID 2072 wrote to memory of 2696 2072 svchost.exe 32 PID 2072 wrote to memory of 2696 2072 svchost.exe 32
Processes
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C:\Users\Admin\AppData\Local\Temp\f8b23a264f58e9001e087af2bf48eed5938db31b5b1b20d973575cfa6a121355.exe"C:\Users\Admin\AppData\Local\Temp\f8b23a264f58e9001e087af2bf48eed5938db31b5b1b20d973575cfa6a121355.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2504 -
C:\Users\Admin\AppData\Roaming\svchost.exe"C:\Users\Admin\AppData\Roaming\svchost.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2072 -
C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\svchost.exe" "svchost.exe" ENABLE3⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
PID:2696
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Network
MITRE ATT&CK Enterprise v15
Persistence
Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Privilege Escalation
Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Replay Monitor
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Downloads
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Filesize
23KB
MD52697c90051b724a80526c5b8b47e5df4
SHA1749d44fe2640504f15e9bf7b697f1017c8c2637d
SHA256f8b23a264f58e9001e087af2bf48eed5938db31b5b1b20d973575cfa6a121355
SHA512d0c8d76699f2f88d76eeaf211e59a780969b7692b513495a34013af8380d3fe0616caf03c6e47b8e7721d2f0a369c1dd20860b755b7d607783a99080c5f5315b