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Analysis
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max time kernel
150s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
03/01/2025, 10:14
Behavioral task
behavioral1
Sample
JaffaCakes118_6be9086d115dd1b8056987f2214e9230.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
JaffaCakes118_6be9086d115dd1b8056987f2214e9230.exe
Resource
win10v2004-20241007-en
General
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Target
JaffaCakes118_6be9086d115dd1b8056987f2214e9230.exe
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Size
23KB
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MD5
6be9086d115dd1b8056987f2214e9230
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SHA1
60810fca5ccaab8ed9dd384b0aec27fbfa18e7a3
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SHA256
681138b7b667d2449e2c2da65c905dc1630e3b8ff72a14db0a62587a0364b3c5
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SHA512
812d0d801595432b89823137e903ecb677efbd40fe4da3d1c21df12c969de4463ff2d847202715459bf2ca8295083dced18665272c08fc754f80421569f10737
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SSDEEP
384:ffQeCo2zmZbQHkJeCdUwBvQ61gjuQBnB9mRvR6JZlbw8hqIusZzZEW:fA5yBVd7RpcnuM
Malware Config
Extracted
njrat
0.7d
NIGGUH
iamsprey.ddns.net:1605
4d50ff0f3a4eb213da8fe301253af367
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reg_key
4d50ff0f3a4eb213da8fe301253af367
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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 2568 netsh.exe -
Drops startup file 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\4d50ff0f3a4eb213da8fe301253af367.exe dllhost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\4d50ff0f3a4eb213da8fe301253af367.exe dllhost.exe -
Executes dropped EXE 1 IoCs
pid Process 2140 dllhost.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\4d50ff0f3a4eb213da8fe301253af367 = "\"C:\\Windows\\dllhost.exe\" .." dllhost.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\4d50ff0f3a4eb213da8fe301253af367 = "\"C:\\Windows\\dllhost.exe\" .." dllhost.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File created C:\Windows\dllhost.exe JaffaCakes118_6be9086d115dd1b8056987f2214e9230.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 JaffaCakes118_6be9086d115dd1b8056987f2214e9230.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language dllhost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language netsh.exe -
Suspicious use of AdjustPrivilegeToken 35 IoCs
description pid Process Token: SeDebugPrivilege 2140 dllhost.exe Token: 33 2140 dllhost.exe Token: SeIncBasePriorityPrivilege 2140 dllhost.exe Token: 33 2140 dllhost.exe Token: SeIncBasePriorityPrivilege 2140 dllhost.exe Token: 33 2140 dllhost.exe Token: SeIncBasePriorityPrivilege 2140 dllhost.exe Token: 33 2140 dllhost.exe Token: SeIncBasePriorityPrivilege 2140 dllhost.exe Token: 33 2140 dllhost.exe Token: SeIncBasePriorityPrivilege 2140 dllhost.exe Token: 33 2140 dllhost.exe Token: SeIncBasePriorityPrivilege 2140 dllhost.exe Token: 33 2140 dllhost.exe Token: SeIncBasePriorityPrivilege 2140 dllhost.exe Token: 33 2140 dllhost.exe Token: SeIncBasePriorityPrivilege 2140 dllhost.exe Token: 33 2140 dllhost.exe Token: SeIncBasePriorityPrivilege 2140 dllhost.exe Token: 33 2140 dllhost.exe Token: SeIncBasePriorityPrivilege 2140 dllhost.exe Token: 33 2140 dllhost.exe Token: SeIncBasePriorityPrivilege 2140 dllhost.exe Token: 33 2140 dllhost.exe Token: SeIncBasePriorityPrivilege 2140 dllhost.exe Token: 33 2140 dllhost.exe Token: SeIncBasePriorityPrivilege 2140 dllhost.exe Token: 33 2140 dllhost.exe Token: SeIncBasePriorityPrivilege 2140 dllhost.exe Token: 33 2140 dllhost.exe Token: SeIncBasePriorityPrivilege 2140 dllhost.exe Token: 33 2140 dllhost.exe Token: SeIncBasePriorityPrivilege 2140 dllhost.exe Token: 33 2140 dllhost.exe Token: SeIncBasePriorityPrivilege 2140 dllhost.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1728 wrote to memory of 2140 1728 JaffaCakes118_6be9086d115dd1b8056987f2214e9230.exe 30 PID 1728 wrote to memory of 2140 1728 JaffaCakes118_6be9086d115dd1b8056987f2214e9230.exe 30 PID 1728 wrote to memory of 2140 1728 JaffaCakes118_6be9086d115dd1b8056987f2214e9230.exe 30 PID 1728 wrote to memory of 2140 1728 JaffaCakes118_6be9086d115dd1b8056987f2214e9230.exe 30 PID 2140 wrote to memory of 2568 2140 dllhost.exe 31 PID 2140 wrote to memory of 2568 2140 dllhost.exe 31 PID 2140 wrote to memory of 2568 2140 dllhost.exe 31 PID 2140 wrote to memory of 2568 2140 dllhost.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6be9086d115dd1b8056987f2214e9230.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6be9086d115dd1b8056987f2214e9230.exe"1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1728 -
C:\Windows\dllhost.exe"C:\Windows\dllhost.exe"2⤵
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2140 -
C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Windows\dllhost.exe" "dllhost.exe" ENABLE3⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
PID:2568
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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
1Defense Evasion
Impair Defenses
1Disable or Modify System Firewall
1Modify Registry
1Replay Monitor
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Downloads
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Filesize
23KB
MD56be9086d115dd1b8056987f2214e9230
SHA160810fca5ccaab8ed9dd384b0aec27fbfa18e7a3
SHA256681138b7b667d2449e2c2da65c905dc1630e3b8ff72a14db0a62587a0364b3c5
SHA512812d0d801595432b89823137e903ecb677efbd40fe4da3d1c21df12c969de4463ff2d847202715459bf2ca8295083dced18665272c08fc754f80421569f10737