Analysis
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max time kernel
114s -
max time network
118s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
20-08-2024 11:39
Static task
static1
Behavioral task
behavioral1
Sample
4200858d961c9ad4109c010a4d6d9ca0N.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
4200858d961c9ad4109c010a4d6d9ca0N.exe
Resource
win10v2004-20240802-en
General
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Target
4200858d961c9ad4109c010a4d6d9ca0N.exe
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Size
116KB
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MD5
4200858d961c9ad4109c010a4d6d9ca0
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SHA1
443a330e385075c62b9f304efadbf3726e1db5f5
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SHA256
77544fc1f622eebcb73f655d769b8896a043726370937f09d37939d00d4a4afe
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SHA512
8ba046431a379aa1bbef418392621c58347b51ea982dc9dabcdcbdc8979fdf4f96a9df1812c379ce0550c5ed928fdf1d9a9f7d3a7e28b81e8072b703ebcd09be
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SSDEEP
1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDpR:P5eznsjsguGDFqGZ2rD7
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 3196 netsh.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
4200858d961c9ad4109c010a4d6d9ca0N.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation 4200858d961c9ad4109c010a4d6d9ca0N.exe -
Executes dropped EXE 2 IoCs
Processes:
chargeable.exechargeable.exepid process 4440 chargeable.exe 2856 chargeable.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
4200858d961c9ad4109c010a4d6d9ca0N.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe" 4200858d961c9ad4109c010a4d6d9ca0N.exe Set value (str) \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\4200858d961c9ad4109c010a4d6d9ca0N.exe" 4200858d961c9ad4109c010a4d6d9ca0N.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
chargeable.exedescription pid process target process PID 4440 set thread context of 2856 4440 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:
chargeable.exenetsh.exe4200858d961c9ad4109c010a4d6d9ca0N.exechargeable.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language chargeable.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language netsh.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 4200858d961c9ad4109c010a4d6d9ca0N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language chargeable.exe -
Suspicious use of AdjustPrivilegeToken 25 IoCs
Processes:
chargeable.exedescription pid process Token: SeDebugPrivilege 2856 chargeable.exe Token: 33 2856 chargeable.exe Token: SeIncBasePriorityPrivilege 2856 chargeable.exe Token: 33 2856 chargeable.exe Token: SeIncBasePriorityPrivilege 2856 chargeable.exe Token: 33 2856 chargeable.exe Token: SeIncBasePriorityPrivilege 2856 chargeable.exe Token: 33 2856 chargeable.exe Token: SeIncBasePriorityPrivilege 2856 chargeable.exe Token: 33 2856 chargeable.exe Token: SeIncBasePriorityPrivilege 2856 chargeable.exe Token: 33 2856 chargeable.exe Token: SeIncBasePriorityPrivilege 2856 chargeable.exe Token: 33 2856 chargeable.exe Token: SeIncBasePriorityPrivilege 2856 chargeable.exe Token: 33 2856 chargeable.exe Token: SeIncBasePriorityPrivilege 2856 chargeable.exe Token: 33 2856 chargeable.exe Token: SeIncBasePriorityPrivilege 2856 chargeable.exe Token: 33 2856 chargeable.exe Token: SeIncBasePriorityPrivilege 2856 chargeable.exe Token: 33 2856 chargeable.exe Token: SeIncBasePriorityPrivilege 2856 chargeable.exe Token: 33 2856 chargeable.exe Token: SeIncBasePriorityPrivilege 2856 chargeable.exe -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
4200858d961c9ad4109c010a4d6d9ca0N.exechargeable.exechargeable.exedescription pid process target process PID 2232 wrote to memory of 4440 2232 4200858d961c9ad4109c010a4d6d9ca0N.exe chargeable.exe PID 2232 wrote to memory of 4440 2232 4200858d961c9ad4109c010a4d6d9ca0N.exe chargeable.exe PID 2232 wrote to memory of 4440 2232 4200858d961c9ad4109c010a4d6d9ca0N.exe chargeable.exe PID 4440 wrote to memory of 2856 4440 chargeable.exe chargeable.exe PID 4440 wrote to memory of 2856 4440 chargeable.exe chargeable.exe PID 4440 wrote to memory of 2856 4440 chargeable.exe chargeable.exe PID 4440 wrote to memory of 2856 4440 chargeable.exe chargeable.exe PID 4440 wrote to memory of 2856 4440 chargeable.exe chargeable.exe PID 4440 wrote to memory of 2856 4440 chargeable.exe chargeable.exe PID 4440 wrote to memory of 2856 4440 chargeable.exe chargeable.exe PID 4440 wrote to memory of 2856 4440 chargeable.exe chargeable.exe PID 2856 wrote to memory of 3196 2856 chargeable.exe netsh.exe PID 2856 wrote to memory of 3196 2856 chargeable.exe netsh.exe PID 2856 wrote to memory of 3196 2856 chargeable.exe netsh.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\4200858d961c9ad4109c010a4d6d9ca0N.exe"C:\Users\Admin\AppData\Local\Temp\4200858d961c9ad4109c010a4d6d9ca0N.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2232 -
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:4440 -
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:2856 -
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:3196
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
MD50a9b4592cd49c3c21f6767c2dabda92f
SHA1f534297527ae5ccc0ecb2221ddeb8e58daeb8b74
SHA256c7effe9cb81a70d738dee863991afefab040290d4c4b78b4202383bcb9f88fcd
SHA5126b878df474e5bbfb8e9e265f15a76560c2ef151dcebc6388c82d7f6f86ffaf83f5ade5a09f1842e493cb6c8fd63b0b88d088c728fd725f7139f965a5ee332307
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Filesize
116KB
MD5e15bc055603be08f3fb3e6acb0ff43bd
SHA12e35dc80b46a7b874e36851d276740a864fa1f28
SHA25685e9725c8b03f25d418217c6dad8e1ebaf2f692b0d69020670a428d17225f34f
SHA512f3214695e896355cdda1b2c2e56ef9886c5bf2f9467d78366ac970aff42f5d0cd155a27e49b0ef9075308d52e9155b716ca3f7f13c7c737370419be784db6fa8