Analysis
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max time kernel
145s -
max time network
148s -
platform
windows7_x64 -
resource
win7-20240704-en -
resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system -
submitted
31-08-2024 21:12
Static task
static1
Behavioral task
behavioral1
Sample
bc39b35fe49d2d8ffbfdbeb9f99c138919b2dc8acbfa8ee089c959b1270f1239.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
bc39b35fe49d2d8ffbfdbeb9f99c138919b2dc8acbfa8ee089c959b1270f1239.exe
Resource
win10v2004-20240802-en
General
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Target
bc39b35fe49d2d8ffbfdbeb9f99c138919b2dc8acbfa8ee089c959b1270f1239.exe
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Size
100KB
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MD5
3d5d5001a558f06c8013f35d0708817c
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SHA1
41642aec0b7ea7010c71ed512e952de75745112b
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SHA256
bc39b35fe49d2d8ffbfdbeb9f99c138919b2dc8acbfa8ee089c959b1270f1239
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SHA512
a69346e463a6bee2ac84b6596d3faa74d3d527c53a52759d61c5a80bead05ae8a4fd49533807e54ffa518c09ca8937424ceb6604797225de35133ab3f2fd6724
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SSDEEP
1536:WAp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4eP:d5eznsjsguGDFqG
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 1760 netsh.exe -
Executes dropped EXE 2 IoCs
Processes:
chargeable.exechargeable.exepid process 2996 chargeable.exe 2844 chargeable.exe -
Loads dropped DLL 2 IoCs
Processes:
bc39b35fe49d2d8ffbfdbeb9f99c138919b2dc8acbfa8ee089c959b1270f1239.exepid process 2584 bc39b35fe49d2d8ffbfdbeb9f99c138919b2dc8acbfa8ee089c959b1270f1239.exe 2584 bc39b35fe49d2d8ffbfdbeb9f99c138919b2dc8acbfa8ee089c959b1270f1239.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
bc39b35fe49d2d8ffbfdbeb9f99c138919b2dc8acbfa8ee089c959b1270f1239.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3294248377-1418901787-4083263181-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\bc39b35fe49d2d8ffbfdbeb9f99c138919b2dc8acbfa8ee089c959b1270f1239.exe" bc39b35fe49d2d8ffbfdbeb9f99c138919b2dc8acbfa8ee089c959b1270f1239.exe Set value (str) \REGISTRY\USER\S-1-5-21-3294248377-1418901787-4083263181-1000\Software\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe" bc39b35fe49d2d8ffbfdbeb9f99c138919b2dc8acbfa8ee089c959b1270f1239.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
chargeable.exedescription pid process target process PID 2996 set thread context of 2844 2996 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:
bc39b35fe49d2d8ffbfdbeb9f99c138919b2dc8acbfa8ee089c959b1270f1239.exechargeable.exechargeable.exenetsh.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language bc39b35fe49d2d8ffbfdbeb9f99c138919b2dc8acbfa8ee089c959b1270f1239.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 33 IoCs
Processes:
chargeable.exedescription pid process Token: SeDebugPrivilege 2844 chargeable.exe Token: 33 2844 chargeable.exe Token: SeIncBasePriorityPrivilege 2844 chargeable.exe Token: 33 2844 chargeable.exe Token: SeIncBasePriorityPrivilege 2844 chargeable.exe Token: 33 2844 chargeable.exe Token: SeIncBasePriorityPrivilege 2844 chargeable.exe Token: 33 2844 chargeable.exe Token: SeIncBasePriorityPrivilege 2844 chargeable.exe Token: 33 2844 chargeable.exe Token: SeIncBasePriorityPrivilege 2844 chargeable.exe Token: 33 2844 chargeable.exe Token: SeIncBasePriorityPrivilege 2844 chargeable.exe Token: 33 2844 chargeable.exe Token: SeIncBasePriorityPrivilege 2844 chargeable.exe Token: 33 2844 chargeable.exe Token: SeIncBasePriorityPrivilege 2844 chargeable.exe Token: 33 2844 chargeable.exe Token: SeIncBasePriorityPrivilege 2844 chargeable.exe Token: 33 2844 chargeable.exe Token: SeIncBasePriorityPrivilege 2844 chargeable.exe Token: 33 2844 chargeable.exe Token: SeIncBasePriorityPrivilege 2844 chargeable.exe Token: 33 2844 chargeable.exe Token: SeIncBasePriorityPrivilege 2844 chargeable.exe Token: 33 2844 chargeable.exe Token: SeIncBasePriorityPrivilege 2844 chargeable.exe Token: 33 2844 chargeable.exe Token: SeIncBasePriorityPrivilege 2844 chargeable.exe Token: 33 2844 chargeable.exe Token: SeIncBasePriorityPrivilege 2844 chargeable.exe Token: 33 2844 chargeable.exe Token: SeIncBasePriorityPrivilege 2844 chargeable.exe -
Suspicious use of WriteProcessMemory 17 IoCs
Processes:
bc39b35fe49d2d8ffbfdbeb9f99c138919b2dc8acbfa8ee089c959b1270f1239.exechargeable.exechargeable.exedescription pid process target process PID 2584 wrote to memory of 2996 2584 bc39b35fe49d2d8ffbfdbeb9f99c138919b2dc8acbfa8ee089c959b1270f1239.exe chargeable.exe PID 2584 wrote to memory of 2996 2584 bc39b35fe49d2d8ffbfdbeb9f99c138919b2dc8acbfa8ee089c959b1270f1239.exe chargeable.exe PID 2584 wrote to memory of 2996 2584 bc39b35fe49d2d8ffbfdbeb9f99c138919b2dc8acbfa8ee089c959b1270f1239.exe chargeable.exe PID 2584 wrote to memory of 2996 2584 bc39b35fe49d2d8ffbfdbeb9f99c138919b2dc8acbfa8ee089c959b1270f1239.exe chargeable.exe PID 2996 wrote to memory of 2844 2996 chargeable.exe chargeable.exe PID 2996 wrote to memory of 2844 2996 chargeable.exe chargeable.exe PID 2996 wrote to memory of 2844 2996 chargeable.exe chargeable.exe PID 2996 wrote to memory of 2844 2996 chargeable.exe chargeable.exe PID 2996 wrote to memory of 2844 2996 chargeable.exe chargeable.exe PID 2996 wrote to memory of 2844 2996 chargeable.exe chargeable.exe PID 2996 wrote to memory of 2844 2996 chargeable.exe chargeable.exe PID 2996 wrote to memory of 2844 2996 chargeable.exe chargeable.exe PID 2996 wrote to memory of 2844 2996 chargeable.exe chargeable.exe PID 2844 wrote to memory of 1760 2844 chargeable.exe netsh.exe PID 2844 wrote to memory of 1760 2844 chargeable.exe netsh.exe PID 2844 wrote to memory of 1760 2844 chargeable.exe netsh.exe PID 2844 wrote to memory of 1760 2844 chargeable.exe netsh.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\bc39b35fe49d2d8ffbfdbeb9f99c138919b2dc8acbfa8ee089c959b1270f1239.exe"C:\Users\Admin\AppData\Local\Temp\bc39b35fe49d2d8ffbfdbeb9f99c138919b2dc8acbfa8ee089c959b1270f1239.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2584 -
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:2996 -
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:2844 -
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:1760
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
100KB
MD5dc84dac12a953f88b78f77fd85c0e5e6
SHA163421bf49639529a7cbe5caf5553b7ad862d367f
SHA256816a92e1714fdb612333afb1af496f68c70d3c31b47c559f83b5cbbd52c3714f
SHA51264c02cdd6071c92e02add0bfdba86ea43f5534cf521679692cdb11bfafaf208be6b747c89f0466283a9c1a3fdb04e6290e231c14b876d368c5293202170121f7