Analysis
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max time kernel
113s -
max time network
116s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
10-09-2024 18:25
Static task
static1
Behavioral task
behavioral1
Sample
41b47975c4ff5e6765136d1d7eb4f920N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
41b47975c4ff5e6765136d1d7eb4f920N.exe
Resource
win10v2004-20240802-en
General
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Target
41b47975c4ff5e6765136d1d7eb4f920N.exe
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Size
109KB
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MD5
41b47975c4ff5e6765136d1d7eb4f920
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SHA1
c23bd9b148973fe186f64967b624afd20d9b436b
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SHA256
5ba1bda0c7717941dcd453bc2fd31dde89a70f9983e741bb33a475bbe679cc40
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SHA512
7aafac2dd8a3139525d10446978c9347ac1c15f572cd8dfe53ad1d300da6495515fd33eb28438eddb2d7745c24a558214a999c6bcbf837054c63bc4efc456a65
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SSDEEP
1536:orp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4xtKegoxmOBh73jj:w5eznsjsguGDFqGx8egoxmO3rf
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 2948 netsh.exe -
Executes dropped EXE 2 IoCs
Processes:
chargeable.exechargeable.exepid process 1148 chargeable.exe 2892 chargeable.exe -
Loads dropped DLL 2 IoCs
Processes:
41b47975c4ff5e6765136d1d7eb4f920N.exepid process 2960 41b47975c4ff5e6765136d1d7eb4f920N.exe 2960 41b47975c4ff5e6765136d1d7eb4f920N.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
41b47975c4ff5e6765136d1d7eb4f920N.exedescription 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" 41b47975c4ff5e6765136d1d7eb4f920N.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\\41b47975c4ff5e6765136d1d7eb4f920N.exe" 41b47975c4ff5e6765136d1d7eb4f920N.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
chargeable.exedescription pid process target process PID 1148 set thread context of 2892 1148 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:
41b47975c4ff5e6765136d1d7eb4f920N.exechargeable.exechargeable.exenetsh.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 41b47975c4ff5e6765136d1d7eb4f920N.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 2892 chargeable.exe Token: 33 2892 chargeable.exe Token: SeIncBasePriorityPrivilege 2892 chargeable.exe Token: 33 2892 chargeable.exe Token: SeIncBasePriorityPrivilege 2892 chargeable.exe Token: 33 2892 chargeable.exe Token: SeIncBasePriorityPrivilege 2892 chargeable.exe Token: 33 2892 chargeable.exe Token: SeIncBasePriorityPrivilege 2892 chargeable.exe Token: 33 2892 chargeable.exe Token: SeIncBasePriorityPrivilege 2892 chargeable.exe Token: 33 2892 chargeable.exe Token: SeIncBasePriorityPrivilege 2892 chargeable.exe Token: 33 2892 chargeable.exe Token: SeIncBasePriorityPrivilege 2892 chargeable.exe Token: 33 2892 chargeable.exe Token: SeIncBasePriorityPrivilege 2892 chargeable.exe Token: 33 2892 chargeable.exe Token: SeIncBasePriorityPrivilege 2892 chargeable.exe Token: 33 2892 chargeable.exe Token: SeIncBasePriorityPrivilege 2892 chargeable.exe Token: 33 2892 chargeable.exe Token: SeIncBasePriorityPrivilege 2892 chargeable.exe Token: 33 2892 chargeable.exe Token: SeIncBasePriorityPrivilege 2892 chargeable.exe -
Suspicious use of WriteProcessMemory 17 IoCs
Processes:
41b47975c4ff5e6765136d1d7eb4f920N.exechargeable.exechargeable.exedescription pid process target process PID 2960 wrote to memory of 1148 2960 41b47975c4ff5e6765136d1d7eb4f920N.exe chargeable.exe PID 2960 wrote to memory of 1148 2960 41b47975c4ff5e6765136d1d7eb4f920N.exe chargeable.exe PID 2960 wrote to memory of 1148 2960 41b47975c4ff5e6765136d1d7eb4f920N.exe chargeable.exe PID 2960 wrote to memory of 1148 2960 41b47975c4ff5e6765136d1d7eb4f920N.exe chargeable.exe PID 1148 wrote to memory of 2892 1148 chargeable.exe chargeable.exe PID 1148 wrote to memory of 2892 1148 chargeable.exe chargeable.exe PID 1148 wrote to memory of 2892 1148 chargeable.exe chargeable.exe PID 1148 wrote to memory of 2892 1148 chargeable.exe chargeable.exe PID 1148 wrote to memory of 2892 1148 chargeable.exe chargeable.exe PID 1148 wrote to memory of 2892 1148 chargeable.exe chargeable.exe PID 1148 wrote to memory of 2892 1148 chargeable.exe chargeable.exe PID 1148 wrote to memory of 2892 1148 chargeable.exe chargeable.exe PID 1148 wrote to memory of 2892 1148 chargeable.exe chargeable.exe PID 2892 wrote to memory of 2948 2892 chargeable.exe netsh.exe PID 2892 wrote to memory of 2948 2892 chargeable.exe netsh.exe PID 2892 wrote to memory of 2948 2892 chargeable.exe netsh.exe PID 2892 wrote to memory of 2948 2892 chargeable.exe netsh.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\41b47975c4ff5e6765136d1d7eb4f920N.exe"C:\Users\Admin\AppData\Local\Temp\41b47975c4ff5e6765136d1d7eb4f920N.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2960 -
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:1148 -
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:2892 -
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:2948
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
Loading Replay Monitor...
Downloads
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Filesize
109KB
MD5f9c96abd68251830f6757ecb2417072a
SHA1b46962940895ead58c6cc4695436081b06e95723
SHA256e3845aa0cb46db71a3323c6d65ec0b3a8deebbc26efe8a9a0900e88a3e594994
SHA512c654400c8f72d57cbe10ed2c0b2d6e1c189dacef1f18d3b0d1ebfceefc9914061e2e2fbb3f20a129334224ab35c3c849f2c12e78a2c56851fe54cefcbc571440