Analysis
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max time kernel
112s -
max time network
117s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
05-11-2024 17:13
Static task
static1
Behavioral task
behavioral1
Sample
7818d48041e19c88709113ec72fe00f3164285d90bd1f5a1de553e806229b216N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
7818d48041e19c88709113ec72fe00f3164285d90bd1f5a1de553e806229b216N.exe
Resource
win10v2004-20241007-en
General
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Target
7818d48041e19c88709113ec72fe00f3164285d90bd1f5a1de553e806229b216N.exe
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Size
113KB
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MD5
1a8383ed5aa8a0c43c1437044532b200
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SHA1
4091c04389e4a52711b699801aeccca10f95b41c
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SHA256
7818d48041e19c88709113ec72fe00f3164285d90bd1f5a1de553e806229b216
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SHA512
c7ea9d63486ab2c7f425853661e478fb3c3737ad2a2ba22351ab2f76ae1396e2b97ead5dfa541c40ca87c536e1df1a6f7fe9486e9a6c0f50e0af708d07d9ddd9
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SSDEEP
1536:orp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4xtKegoxmOBh73v7:w5eznsjsguGDFqGx8egoxmO3rv7
Malware Config
Extracted
njrat
0.7d
neuf
doddyfire.linkpc.net:10000
e1a87040f2026369a233f9ae76301b7b
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reg_key
e1a87040f2026369a233f9ae76301b7b
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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 2560 netsh.exe -
Executes dropped EXE 2 IoCs
pid Process 2176 chargeable.exe 2692 chargeable.exe -
Loads dropped DLL 2 IoCs
pid Process 2512 7818d48041e19c88709113ec72fe00f3164285d90bd1f5a1de553e806229b216N.exe 2512 7818d48041e19c88709113ec72fe00f3164285d90bd1f5a1de553e806229b216N.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe" 7818d48041e19c88709113ec72fe00f3164285d90bd1f5a1de553e806229b216N.exe Set value (str) \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\7818d48041e19c88709113ec72fe00f3164285d90bd1f5a1de553e806229b216N.exe" 7818d48041e19c88709113ec72fe00f3164285d90bd1f5a1de553e806229b216N.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2176 set thread context of 2692 2176 chargeable.exe 32 -
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 4 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 7818d48041e19c88709113ec72fe00f3164285d90bd1f5a1de553e806229b216N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language chargeable.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language chargeable.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language netsh.exe -
Suspicious use of AdjustPrivilegeToken 25 IoCs
description pid Process Token: SeDebugPrivilege 2692 chargeable.exe Token: 33 2692 chargeable.exe Token: SeIncBasePriorityPrivilege 2692 chargeable.exe Token: 33 2692 chargeable.exe Token: SeIncBasePriorityPrivilege 2692 chargeable.exe Token: 33 2692 chargeable.exe Token: SeIncBasePriorityPrivilege 2692 chargeable.exe Token: 33 2692 chargeable.exe Token: SeIncBasePriorityPrivilege 2692 chargeable.exe Token: 33 2692 chargeable.exe Token: SeIncBasePriorityPrivilege 2692 chargeable.exe Token: 33 2692 chargeable.exe Token: SeIncBasePriorityPrivilege 2692 chargeable.exe Token: 33 2692 chargeable.exe Token: SeIncBasePriorityPrivilege 2692 chargeable.exe Token: 33 2692 chargeable.exe Token: SeIncBasePriorityPrivilege 2692 chargeable.exe Token: 33 2692 chargeable.exe Token: SeIncBasePriorityPrivilege 2692 chargeable.exe Token: 33 2692 chargeable.exe Token: SeIncBasePriorityPrivilege 2692 chargeable.exe Token: 33 2692 chargeable.exe Token: SeIncBasePriorityPrivilege 2692 chargeable.exe Token: 33 2692 chargeable.exe Token: SeIncBasePriorityPrivilege 2692 chargeable.exe -
Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 2512 wrote to memory of 2176 2512 7818d48041e19c88709113ec72fe00f3164285d90bd1f5a1de553e806229b216N.exe 31 PID 2512 wrote to memory of 2176 2512 7818d48041e19c88709113ec72fe00f3164285d90bd1f5a1de553e806229b216N.exe 31 PID 2512 wrote to memory of 2176 2512 7818d48041e19c88709113ec72fe00f3164285d90bd1f5a1de553e806229b216N.exe 31 PID 2512 wrote to memory of 2176 2512 7818d48041e19c88709113ec72fe00f3164285d90bd1f5a1de553e806229b216N.exe 31 PID 2176 wrote to memory of 2692 2176 chargeable.exe 32 PID 2176 wrote to memory of 2692 2176 chargeable.exe 32 PID 2176 wrote to memory of 2692 2176 chargeable.exe 32 PID 2176 wrote to memory of 2692 2176 chargeable.exe 32 PID 2176 wrote to memory of 2692 2176 chargeable.exe 32 PID 2176 wrote to memory of 2692 2176 chargeable.exe 32 PID 2176 wrote to memory of 2692 2176 chargeable.exe 32 PID 2176 wrote to memory of 2692 2176 chargeable.exe 32 PID 2176 wrote to memory of 2692 2176 chargeable.exe 32 PID 2692 wrote to memory of 2560 2692 chargeable.exe 33 PID 2692 wrote to memory of 2560 2692 chargeable.exe 33 PID 2692 wrote to memory of 2560 2692 chargeable.exe 33 PID 2692 wrote to memory of 2560 2692 chargeable.exe 33
Processes
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C:\Users\Admin\AppData\Local\Temp\7818d48041e19c88709113ec72fe00f3164285d90bd1f5a1de553e806229b216N.exe"C:\Users\Admin\AppData\Local\Temp\7818d48041e19c88709113ec72fe00f3164285d90bd1f5a1de553e806229b216N.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2512 -
C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe"C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2176 -
C:\Users\Admin\AppData\Roaming\confuse\chargeable.exeC:\Users\Admin\AppData\Roaming\confuse\chargeable.exe3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2692 -
C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe" "chargeable.exe" ENABLE4⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
PID:2560
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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
113KB
MD5c70f46ef853ba8468b72cdccfb1ce3dd
SHA12d809b557c5111bc08c0e7ae2cee97e799255d48
SHA256a9a0ad12c1e7690f6660368a9e63d82fc64bbb134f1a86b5c5a6cec13bb75352
SHA5125f329b154be81f8f39ce099fdd5d3ab484bceb144411c26a9c28e6979cc290aa0586aaa60e9e22110bb926a61e83b42e0a54292c9c7f112282e237ccb7b9e696