Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
22-12-2024 21:25
Static task
static1
Behavioral task
behavioral1
Sample
368cabdf1fc0e857feeacb1d64383965734622a5d9a21cecbb54682ea50114bd.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
368cabdf1fc0e857feeacb1d64383965734622a5d9a21cecbb54682ea50114bd.exe
Resource
win10v2004-20241007-en
General
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Target
368cabdf1fc0e857feeacb1d64383965734622a5d9a21cecbb54682ea50114bd.exe
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Size
119KB
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MD5
97f7e589999872e0847d256b24acc848
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SHA1
23463d7f8075dff1047f776f80c989f1f435df42
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SHA256
368cabdf1fc0e857feeacb1d64383965734622a5d9a21cecbb54682ea50114bd
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SHA512
fcb53a14a43cb9be8b8d8fd46faf6fed074c57106aef0c590efdc1edba5e20a84a63045eb8c612d1e440f7ca6a6fac7f4cd84010bba8ed4ce9a11384ba821185
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SSDEEP
1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDLVg+:P5eznsjsguGDFqGZ2rDLT
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 4352 netsh.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation 368cabdf1fc0e857feeacb1d64383965734622a5d9a21cecbb54682ea50114bd.exe -
Executes dropped EXE 2 IoCs
pid Process 4028 chargeable.exe 2376 chargeable.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe" 368cabdf1fc0e857feeacb1d64383965734622a5d9a21cecbb54682ea50114bd.exe Set value (str) \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\368cabdf1fc0e857feeacb1d64383965734622a5d9a21cecbb54682ea50114bd.exe" 368cabdf1fc0e857feeacb1d64383965734622a5d9a21cecbb54682ea50114bd.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4028 set thread context of 2376 4028 chargeable.exe 83 -
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 value enumerated \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key queried \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 chargeable.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language netsh.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 368cabdf1fc0e857feeacb1d64383965734622a5d9a21cecbb54682ea50114bd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language chargeable.exe -
Suspicious use of AdjustPrivilegeToken 33 IoCs
description pid Process Token: SeDebugPrivilege 2376 chargeable.exe Token: 33 2376 chargeable.exe Token: SeIncBasePriorityPrivilege 2376 chargeable.exe Token: 33 2376 chargeable.exe Token: SeIncBasePriorityPrivilege 2376 chargeable.exe Token: 33 2376 chargeable.exe Token: SeIncBasePriorityPrivilege 2376 chargeable.exe Token: 33 2376 chargeable.exe Token: SeIncBasePriorityPrivilege 2376 chargeable.exe Token: 33 2376 chargeable.exe Token: SeIncBasePriorityPrivilege 2376 chargeable.exe Token: 33 2376 chargeable.exe Token: SeIncBasePriorityPrivilege 2376 chargeable.exe Token: 33 2376 chargeable.exe Token: SeIncBasePriorityPrivilege 2376 chargeable.exe Token: 33 2376 chargeable.exe Token: SeIncBasePriorityPrivilege 2376 chargeable.exe Token: 33 2376 chargeable.exe Token: SeIncBasePriorityPrivilege 2376 chargeable.exe Token: 33 2376 chargeable.exe Token: SeIncBasePriorityPrivilege 2376 chargeable.exe Token: 33 2376 chargeable.exe Token: SeIncBasePriorityPrivilege 2376 chargeable.exe Token: 33 2376 chargeable.exe Token: SeIncBasePriorityPrivilege 2376 chargeable.exe Token: 33 2376 chargeable.exe Token: SeIncBasePriorityPrivilege 2376 chargeable.exe Token: 33 2376 chargeable.exe Token: SeIncBasePriorityPrivilege 2376 chargeable.exe Token: 33 2376 chargeable.exe Token: SeIncBasePriorityPrivilege 2376 chargeable.exe Token: 33 2376 chargeable.exe Token: SeIncBasePriorityPrivilege 2376 chargeable.exe -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 2204 wrote to memory of 4028 2204 368cabdf1fc0e857feeacb1d64383965734622a5d9a21cecbb54682ea50114bd.exe 82 PID 2204 wrote to memory of 4028 2204 368cabdf1fc0e857feeacb1d64383965734622a5d9a21cecbb54682ea50114bd.exe 82 PID 2204 wrote to memory of 4028 2204 368cabdf1fc0e857feeacb1d64383965734622a5d9a21cecbb54682ea50114bd.exe 82 PID 4028 wrote to memory of 2376 4028 chargeable.exe 83 PID 4028 wrote to memory of 2376 4028 chargeable.exe 83 PID 4028 wrote to memory of 2376 4028 chargeable.exe 83 PID 4028 wrote to memory of 2376 4028 chargeable.exe 83 PID 4028 wrote to memory of 2376 4028 chargeable.exe 83 PID 4028 wrote to memory of 2376 4028 chargeable.exe 83 PID 4028 wrote to memory of 2376 4028 chargeable.exe 83 PID 4028 wrote to memory of 2376 4028 chargeable.exe 83 PID 2376 wrote to memory of 4352 2376 chargeable.exe 89 PID 2376 wrote to memory of 4352 2376 chargeable.exe 89 PID 2376 wrote to memory of 4352 2376 chargeable.exe 89
Processes
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C:\Users\Admin\AppData\Local\Temp\368cabdf1fc0e857feeacb1d64383965734622a5d9a21cecbb54682ea50114bd.exe"C:\Users\Admin\AppData\Local\Temp\368cabdf1fc0e857feeacb1d64383965734622a5d9a21cecbb54682ea50114bd.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2204 -
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:4028 -
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:2376 -
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:4352
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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
400B
MD50a9b4592cd49c3c21f6767c2dabda92f
SHA1f534297527ae5ccc0ecb2221ddeb8e58daeb8b74
SHA256c7effe9cb81a70d738dee863991afefab040290d4c4b78b4202383bcb9f88fcd
SHA5126b878df474e5bbfb8e9e265f15a76560c2ef151dcebc6388c82d7f6f86ffaf83f5ade5a09f1842e493cb6c8fd63b0b88d088c728fd725f7139f965a5ee332307
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Filesize
119KB
MD54207d8b2b5687b34784e4c89c22ae18b
SHA1f2ace549a3229d8a85ae5a8672d1823c774a184e
SHA256defcd81566d82277c1e8e7da9af38e5ab89e3ddd19c59aa85544a1bc08290a5c
SHA51231c39301f2fe14f4f1eb40f09740dcbb5fbdd0f251b9b0971ea9aa0ecccaf9b2bc00ab288ed6e139b2d3f97dcec55ce16529ebcc2c0241ca5f97a3b5b522f4ee