Analysis
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max time kernel
114s -
max time network
119s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
16-08-2024 21:01
Static task
static1
Behavioral task
behavioral1
Sample
a9bff11c50565b8f5c66a8658107b7e0N.exe
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
a9bff11c50565b8f5c66a8658107b7e0N.exe
Resource
win10v2004-20240802-en
General
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Target
a9bff11c50565b8f5c66a8658107b7e0N.exe
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Size
116KB
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MD5
a9bff11c50565b8f5c66a8658107b7e0
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SHA1
0efa44b16380d2188c1eb088446690a611369adb
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SHA256
78ee7164306ba1caf6123517470ac2422900b60a70dfbf16e170bff0018832ea
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SHA512
abffe88d5a751ba492e28035aa702b263db786d31b59ecb7404a97678dfc2aef8d6b07f959e015292755bf5f65f52bea50156124ede6b139b0db4ef33f1f4d29
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SSDEEP
1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMde1:P5eznsjsguGDFqGZ2rE
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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Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 4212 netsh.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
a9bff11c50565b8f5c66a8658107b7e0N.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\Control Panel\International\Geo\Nation a9bff11c50565b8f5c66a8658107b7e0N.exe -
Executes dropped EXE 2 IoCs
Processes:
chargeable.exechargeable.exepid process 3584 chargeable.exe 2684 chargeable.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
a9bff11c50565b8f5c66a8658107b7e0N.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe" a9bff11c50565b8f5c66a8658107b7e0N.exe Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\a9bff11c50565b8f5c66a8658107b7e0N.exe" a9bff11c50565b8f5c66a8658107b7e0N.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
chargeable.exedescription pid process target process PID 3584 set thread context of 2684 3584 chargeable.exe chargeable.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.
Processes:
netsh.exedescription 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.
Processes:
a9bff11c50565b8f5c66a8658107b7e0N.exechargeable.exechargeable.exenetsh.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language a9bff11c50565b8f5c66a8658107b7e0N.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
Processes:
chargeable.exedescription pid process Token: SeDebugPrivilege 2684 chargeable.exe Token: 33 2684 chargeable.exe Token: SeIncBasePriorityPrivilege 2684 chargeable.exe Token: 33 2684 chargeable.exe Token: SeIncBasePriorityPrivilege 2684 chargeable.exe Token: 33 2684 chargeable.exe Token: SeIncBasePriorityPrivilege 2684 chargeable.exe Token: 33 2684 chargeable.exe Token: SeIncBasePriorityPrivilege 2684 chargeable.exe Token: 33 2684 chargeable.exe Token: SeIncBasePriorityPrivilege 2684 chargeable.exe Token: 33 2684 chargeable.exe Token: SeIncBasePriorityPrivilege 2684 chargeable.exe Token: 33 2684 chargeable.exe Token: SeIncBasePriorityPrivilege 2684 chargeable.exe Token: 33 2684 chargeable.exe Token: SeIncBasePriorityPrivilege 2684 chargeable.exe Token: 33 2684 chargeable.exe Token: SeIncBasePriorityPrivilege 2684 chargeable.exe Token: 33 2684 chargeable.exe Token: SeIncBasePriorityPrivilege 2684 chargeable.exe Token: 33 2684 chargeable.exe Token: SeIncBasePriorityPrivilege 2684 chargeable.exe Token: 33 2684 chargeable.exe Token: SeIncBasePriorityPrivilege 2684 chargeable.exe -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
a9bff11c50565b8f5c66a8658107b7e0N.exechargeable.exechargeable.exedescription pid process target process PID 3016 wrote to memory of 3584 3016 a9bff11c50565b8f5c66a8658107b7e0N.exe chargeable.exe PID 3016 wrote to memory of 3584 3016 a9bff11c50565b8f5c66a8658107b7e0N.exe chargeable.exe PID 3016 wrote to memory of 3584 3016 a9bff11c50565b8f5c66a8658107b7e0N.exe chargeable.exe PID 3584 wrote to memory of 2684 3584 chargeable.exe chargeable.exe PID 3584 wrote to memory of 2684 3584 chargeable.exe chargeable.exe PID 3584 wrote to memory of 2684 3584 chargeable.exe chargeable.exe PID 3584 wrote to memory of 2684 3584 chargeable.exe chargeable.exe PID 3584 wrote to memory of 2684 3584 chargeable.exe chargeable.exe PID 3584 wrote to memory of 2684 3584 chargeable.exe chargeable.exe PID 3584 wrote to memory of 2684 3584 chargeable.exe chargeable.exe PID 3584 wrote to memory of 2684 3584 chargeable.exe chargeable.exe PID 2684 wrote to memory of 4212 2684 chargeable.exe netsh.exe PID 2684 wrote to memory of 4212 2684 chargeable.exe netsh.exe PID 2684 wrote to memory of 4212 2684 chargeable.exe netsh.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\a9bff11c50565b8f5c66a8658107b7e0N.exe"C:\Users\Admin\AppData\Local\Temp\a9bff11c50565b8f5c66a8658107b7e0N.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3016 -
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:3584 -
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:2684 -
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:4212
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
400B
MD5af005173cce1850423f0f999693487cb
SHA1950bf700178ab02d75b959cf92f1d493acba31ef
SHA25638615066450a66b2950aa946bf8eea01f16e1f0dfc7c0748609e195c317c2a7a
SHA512feb37c884eba52c5e74a3a9b1c604d42e6b25b98a1389ba9677361f756897d169824b9d7c214e150f6a1f07e7e63440baa07e6119aa08b919db0533a9fdb22bc
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Filesize
116KB
MD5f3e87ad11ad6b2854cb36d70c0d97d8c
SHA17b86c162fb0840209970df6d0993c327d9a02689
SHA256ad4f87281c537b712f94f3243e024cb597b2aa82757f7c6be42de21535b2bbde
SHA5121e12fa821b578777ca4386cfbbefa680ae621fbf6395da64f300a5b572ba7aa273aed77d3a8be656f2803ede3c56392b58eb3185f64bb2b0693a765e20050878