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Analysis
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max time kernel
148s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
05/01/2025, 02:11
Static task
static1
Behavioral task
behavioral1
Sample
1f8f39067871df0c4f5b3e7dfdf7bf3d70c319ccb78190d5c012f59be946c1e1.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
1f8f39067871df0c4f5b3e7dfdf7bf3d70c319ccb78190d5c012f59be946c1e1.exe
Resource
win10v2004-20241007-en
General
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Target
1f8f39067871df0c4f5b3e7dfdf7bf3d70c319ccb78190d5c012f59be946c1e1.exe
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Size
120KB
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MD5
03a957673a394475e15c113f43e0e99e
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SHA1
9da8fb150808ffb7583b509237c59c70ee37f81c
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SHA256
1f8f39067871df0c4f5b3e7dfdf7bf3d70c319ccb78190d5c012f59be946c1e1
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SHA512
e6926305fdd18b3e10b768ce749436c4f1c23a9a3aaea02cc33eb058fae1528bc6c57051d658a46996f8d6652abccba0611168be095aa8cd53560992dbd13b94
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SSDEEP
1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDLVgS:P5eznsjsguGDFqGZ2rDL3
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 4028 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-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation 1f8f39067871df0c4f5b3e7dfdf7bf3d70c319ccb78190d5c012f59be946c1e1.exe -
Executes dropped EXE 2 IoCs
pid Process 4148 chargeable.exe 4372 chargeable.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe" 1f8f39067871df0c4f5b3e7dfdf7bf3d70c319ccb78190d5c012f59be946c1e1.exe Set value (str) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1f8f39067871df0c4f5b3e7dfdf7bf3d70c319ccb78190d5c012f59be946c1e1.exe" 1f8f39067871df0c4f5b3e7dfdf7bf3d70c319ccb78190d5c012f59be946c1e1.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4148 set thread context of 4372 4148 chargeable.exe 91 -
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 1f8f39067871df0c4f5b3e7dfdf7bf3d70c319ccb78190d5c012f59be946c1e1.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language chargeable.exe -
Suspicious use of AdjustPrivilegeToken 33 IoCs
description pid Process Token: SeDebugPrivilege 4372 chargeable.exe Token: 33 4372 chargeable.exe Token: SeIncBasePriorityPrivilege 4372 chargeable.exe Token: 33 4372 chargeable.exe Token: SeIncBasePriorityPrivilege 4372 chargeable.exe Token: 33 4372 chargeable.exe Token: SeIncBasePriorityPrivilege 4372 chargeable.exe Token: 33 4372 chargeable.exe Token: SeIncBasePriorityPrivilege 4372 chargeable.exe Token: 33 4372 chargeable.exe Token: SeIncBasePriorityPrivilege 4372 chargeable.exe Token: 33 4372 chargeable.exe Token: SeIncBasePriorityPrivilege 4372 chargeable.exe Token: 33 4372 chargeable.exe Token: SeIncBasePriorityPrivilege 4372 chargeable.exe Token: 33 4372 chargeable.exe Token: SeIncBasePriorityPrivilege 4372 chargeable.exe Token: 33 4372 chargeable.exe Token: SeIncBasePriorityPrivilege 4372 chargeable.exe Token: 33 4372 chargeable.exe Token: SeIncBasePriorityPrivilege 4372 chargeable.exe Token: 33 4372 chargeable.exe Token: SeIncBasePriorityPrivilege 4372 chargeable.exe Token: 33 4372 chargeable.exe Token: SeIncBasePriorityPrivilege 4372 chargeable.exe Token: 33 4372 chargeable.exe Token: SeIncBasePriorityPrivilege 4372 chargeable.exe Token: 33 4372 chargeable.exe Token: SeIncBasePriorityPrivilege 4372 chargeable.exe Token: 33 4372 chargeable.exe Token: SeIncBasePriorityPrivilege 4372 chargeable.exe Token: 33 4372 chargeable.exe Token: SeIncBasePriorityPrivilege 4372 chargeable.exe -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 748 wrote to memory of 4148 748 1f8f39067871df0c4f5b3e7dfdf7bf3d70c319ccb78190d5c012f59be946c1e1.exe 84 PID 748 wrote to memory of 4148 748 1f8f39067871df0c4f5b3e7dfdf7bf3d70c319ccb78190d5c012f59be946c1e1.exe 84 PID 748 wrote to memory of 4148 748 1f8f39067871df0c4f5b3e7dfdf7bf3d70c319ccb78190d5c012f59be946c1e1.exe 84 PID 4148 wrote to memory of 4372 4148 chargeable.exe 91 PID 4148 wrote to memory of 4372 4148 chargeable.exe 91 PID 4148 wrote to memory of 4372 4148 chargeable.exe 91 PID 4148 wrote to memory of 4372 4148 chargeable.exe 91 PID 4148 wrote to memory of 4372 4148 chargeable.exe 91 PID 4148 wrote to memory of 4372 4148 chargeable.exe 91 PID 4148 wrote to memory of 4372 4148 chargeable.exe 91 PID 4148 wrote to memory of 4372 4148 chargeable.exe 91 PID 4372 wrote to memory of 4028 4372 chargeable.exe 98 PID 4372 wrote to memory of 4028 4372 chargeable.exe 98 PID 4372 wrote to memory of 4028 4372 chargeable.exe 98
Processes
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C:\Users\Admin\AppData\Local\Temp\1f8f39067871df0c4f5b3e7dfdf7bf3d70c319ccb78190d5c012f59be946c1e1.exe"C:\Users\Admin\AppData\Local\Temp\1f8f39067871df0c4f5b3e7dfdf7bf3d70c319ccb78190d5c012f59be946c1e1.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:748 -
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:4148 -
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:4372 -
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:4028
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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
120KB
MD5a83e100723b42a68425ce13c6cdca081
SHA18b08ed74f4b8d4c788c9aee5773cfd3b1ea9c0cf
SHA2561374b76f9d1061e5f146820b7bb4f142ec6fc3d91cd7a223fec918c0f09a5358
SHA512ffc4f026fde6e4111fd23f84120fdda1d3cac5bfd3ece614ac8e5defa4c923bcbe583008a0cee4d4de6e4a7c77c00053577a8f24a6af2a51e194ba8e7b92d688