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Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
05/01/2025, 09:08
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_99b2f7822d52908284c83b114dc19ede.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
JaffaCakes118_99b2f7822d52908284c83b114dc19ede.exe
Resource
win10v2004-20241007-en
General
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Target
JaffaCakes118_99b2f7822d52908284c83b114dc19ede.exe
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Size
33KB
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MD5
99b2f7822d52908284c83b114dc19ede
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SHA1
9670074d06ceab739d9bd88b19dab68ac69ae637
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SHA256
29f4a7219a671bac2337402c9c5fd4cf1789ac818c321754b8824b486ffb717d
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SHA512
4fd010f336ffaacae1ea615ca62e3e285d3150981330f8b4ae3617478c3c886386d6544bdcced98851fd94231d1da8b40c584090246a9cc533ebcc2e641550c6
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SSDEEP
768:VvTUC66ha3MI3IOTTZs0y3MbKRSJebgCkjZtNM7U:tUC6v3G02M2gJYVkjpSU
Malware Config
Extracted
njrat
0.7d
Windows
hackedbyiris.ddns.net:19132
Windows Update
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reg_key
Windows Update
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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 4240 netsh.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-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation JaffaCakes118_99b2f7822d52908284c83b114dc19ede.exe -
Drops startup file 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows Update.exe svchost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows Update.exe svchost.exe -
Executes dropped EXE 1 IoCs
pid Process 3032 svchost.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Windows\\svchost.exe\" .." svchost.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Windows\\svchost.exe\" .." svchost.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File created C:\Windows\svchost.exe JaffaCakes118_99b2f7822d52908284c83b114dc19ede.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\Microsoft\NetSh netsh.exe Key queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh netsh.exe Key value enumerated \REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh netsh.exe -
Suspicious use of AdjustPrivilegeToken 35 IoCs
description pid Process Token: SeDebugPrivilege 3032 svchost.exe Token: 33 3032 svchost.exe Token: SeIncBasePriorityPrivilege 3032 svchost.exe Token: 33 3032 svchost.exe Token: SeIncBasePriorityPrivilege 3032 svchost.exe Token: 33 3032 svchost.exe Token: SeIncBasePriorityPrivilege 3032 svchost.exe Token: 33 3032 svchost.exe Token: SeIncBasePriorityPrivilege 3032 svchost.exe Token: 33 3032 svchost.exe Token: SeIncBasePriorityPrivilege 3032 svchost.exe Token: 33 3032 svchost.exe Token: SeIncBasePriorityPrivilege 3032 svchost.exe Token: 33 3032 svchost.exe Token: SeIncBasePriorityPrivilege 3032 svchost.exe Token: 33 3032 svchost.exe Token: SeIncBasePriorityPrivilege 3032 svchost.exe Token: 33 3032 svchost.exe Token: SeIncBasePriorityPrivilege 3032 svchost.exe Token: 33 3032 svchost.exe Token: SeIncBasePriorityPrivilege 3032 svchost.exe Token: 33 3032 svchost.exe Token: SeIncBasePriorityPrivilege 3032 svchost.exe Token: 33 3032 svchost.exe Token: SeIncBasePriorityPrivilege 3032 svchost.exe Token: 33 3032 svchost.exe Token: SeIncBasePriorityPrivilege 3032 svchost.exe Token: 33 3032 svchost.exe Token: SeIncBasePriorityPrivilege 3032 svchost.exe Token: 33 3032 svchost.exe Token: SeIncBasePriorityPrivilege 3032 svchost.exe Token: 33 3032 svchost.exe Token: SeIncBasePriorityPrivilege 3032 svchost.exe Token: 33 3032 svchost.exe Token: SeIncBasePriorityPrivilege 3032 svchost.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 212 wrote to memory of 3032 212 JaffaCakes118_99b2f7822d52908284c83b114dc19ede.exe 84 PID 212 wrote to memory of 3032 212 JaffaCakes118_99b2f7822d52908284c83b114dc19ede.exe 84 PID 3032 wrote to memory of 4240 3032 svchost.exe 95 PID 3032 wrote to memory of 4240 3032 svchost.exe 95
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_99b2f7822d52908284c83b114dc19ede.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_99b2f7822d52908284c83b114dc19ede.exe"1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:212 -
C:\Windows\svchost.exe"C:\Windows\svchost.exe"2⤵
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3032 -
C:\Windows\SYSTEM32\netsh.exenetsh firewall add allowedprogram "C:\Windows\svchost.exe" "svchost.exe" ENABLE3⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
PID:4240
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Replay Monitor
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Downloads
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Filesize
33KB
MD599b2f7822d52908284c83b114dc19ede
SHA19670074d06ceab739d9bd88b19dab68ac69ae637
SHA25629f4a7219a671bac2337402c9c5fd4cf1789ac818c321754b8824b486ffb717d
SHA5124fd010f336ffaacae1ea615ca62e3e285d3150981330f8b4ae3617478c3c886386d6544bdcced98851fd94231d1da8b40c584090246a9cc533ebcc2e641550c6