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Analysis
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max time kernel
150s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
31/12/2024, 13:20
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_1e26425e2d9093444f439c7fc8ff6fa6.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
JaffaCakes118_1e26425e2d9093444f439c7fc8ff6fa6.exe
Resource
win10v2004-20241007-en
General
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Target
JaffaCakes118_1e26425e2d9093444f439c7fc8ff6fa6.exe
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Size
331KB
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MD5
1e26425e2d9093444f439c7fc8ff6fa6
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SHA1
1295e8b827b873bdcf1a00829ccfc5127baf17ac
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SHA256
177e5e6fffcf864132a249ed93317f82696cad1262b87d0d8d5c1325f9417a76
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SHA512
781deeadeb45641aa7c1c460cd85e230d78fbe5af412eb1fc61513a0b801304384418f27e4ba7452f7175d5ea737e219c0d1267a679ec42742d7874a28d26f2d
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SSDEEP
1536:A6MOnxTaogXfz3OJ9rUrTvQEv4o6Ja8KDtI:8ZfQEAo6w8GI
Malware Config
Extracted
njrat
0.7d
HacKed
127.0.0.1:5552
64f5a500033a0279ebf3a243f9f3365c
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reg_key
64f5a500033a0279ebf3a243f9f3365c
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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 2744 netsh.exe -
Executes dropped EXE 1 IoCs
pid Process 2756 server.exe -
Loads dropped DLL 1 IoCs
pid Process 2740 JaffaCakes118_1e26425e2d9093444f439c7fc8ff6fa6.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\64f5a500033a0279ebf3a243f9f3365c = "\"C:\\Users\\Admin\\AppData\\Roaming\\server.exe\" .." server.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\64f5a500033a0279ebf3a243f9f3365c = "\"C:\\Users\\Admin\\AppData\\Roaming\\server.exe\" .." server.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 netsh.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_1e26425e2d9093444f439c7fc8ff6fa6.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language server.exe -
Suspicious use of AdjustPrivilegeToken 33 IoCs
description pid Process Token: SeDebugPrivilege 2756 server.exe Token: 33 2756 server.exe Token: SeIncBasePriorityPrivilege 2756 server.exe Token: 33 2756 server.exe Token: SeIncBasePriorityPrivilege 2756 server.exe Token: 33 2756 server.exe Token: SeIncBasePriorityPrivilege 2756 server.exe Token: 33 2756 server.exe Token: SeIncBasePriorityPrivilege 2756 server.exe Token: 33 2756 server.exe Token: SeIncBasePriorityPrivilege 2756 server.exe Token: 33 2756 server.exe Token: SeIncBasePriorityPrivilege 2756 server.exe Token: 33 2756 server.exe Token: SeIncBasePriorityPrivilege 2756 server.exe Token: 33 2756 server.exe Token: SeIncBasePriorityPrivilege 2756 server.exe Token: 33 2756 server.exe Token: SeIncBasePriorityPrivilege 2756 server.exe Token: 33 2756 server.exe Token: SeIncBasePriorityPrivilege 2756 server.exe Token: 33 2756 server.exe Token: SeIncBasePriorityPrivilege 2756 server.exe Token: 33 2756 server.exe Token: SeIncBasePriorityPrivilege 2756 server.exe Token: 33 2756 server.exe Token: SeIncBasePriorityPrivilege 2756 server.exe Token: 33 2756 server.exe Token: SeIncBasePriorityPrivilege 2756 server.exe Token: 33 2756 server.exe Token: SeIncBasePriorityPrivilege 2756 server.exe Token: 33 2756 server.exe Token: SeIncBasePriorityPrivilege 2756 server.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2740 wrote to memory of 2756 2740 JaffaCakes118_1e26425e2d9093444f439c7fc8ff6fa6.exe 30 PID 2740 wrote to memory of 2756 2740 JaffaCakes118_1e26425e2d9093444f439c7fc8ff6fa6.exe 30 PID 2740 wrote to memory of 2756 2740 JaffaCakes118_1e26425e2d9093444f439c7fc8ff6fa6.exe 30 PID 2740 wrote to memory of 2756 2740 JaffaCakes118_1e26425e2d9093444f439c7fc8ff6fa6.exe 30 PID 2756 wrote to memory of 2744 2756 server.exe 31 PID 2756 wrote to memory of 2744 2756 server.exe 31 PID 2756 wrote to memory of 2744 2756 server.exe 31 PID 2756 wrote to memory of 2744 2756 server.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1e26425e2d9093444f439c7fc8ff6fa6.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1e26425e2d9093444f439c7fc8ff6fa6.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2740 -
C:\Users\Admin\AppData\Roaming\server.exe"C:\Users\Admin\AppData\Roaming\server.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2756 -
C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\server.exe" "server.exe" ENABLE3⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
PID:2744
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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
331KB
MD51e26425e2d9093444f439c7fc8ff6fa6
SHA11295e8b827b873bdcf1a00829ccfc5127baf17ac
SHA256177e5e6fffcf864132a249ed93317f82696cad1262b87d0d8d5c1325f9417a76
SHA512781deeadeb45641aa7c1c460cd85e230d78fbe5af412eb1fc61513a0b801304384418f27e4ba7452f7175d5ea737e219c0d1267a679ec42742d7874a28d26f2d