Analysis
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max time kernel
114s -
max time network
119s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
03-09-2024 12:08
Static task
static1
Behavioral task
behavioral1
Sample
72293ccf33ff9da279c5460e9f7f7b20N.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
72293ccf33ff9da279c5460e9f7f7b20N.exe
Resource
win10v2004-20240802-en
General
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Target
72293ccf33ff9da279c5460e9f7f7b20N.exe
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Size
116KB
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MD5
72293ccf33ff9da279c5460e9f7f7b20
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SHA1
7130e75bd5c85da908f9219cd0d04346d572a1d0
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SHA256
c1f607f590390883c97ab34350edc9a3afe00fc3ef14ad8b3ce3d651e836b2fa
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SHA512
b6679e1aef0962db3884e739f699258eb60914b6acf33aef4a693dcb812cc5a3a1664aa0028e91fc6f7c77869d47860b7213066f59947f25502856bfa50f75c7
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SSDEEP
1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDLVr:P5eznsjsguGDFqGZ2rDL9
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 4804 netsh.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
72293ccf33ff9da279c5460e9f7f7b20N.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation 72293ccf33ff9da279c5460e9f7f7b20N.exe -
Executes dropped EXE 3 IoCs
Processes:
chargeable.exechargeable.exechargeable.exepid process 3940 chargeable.exe 696 chargeable.exe 2128 chargeable.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
72293ccf33ff9da279c5460e9f7f7b20N.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe" 72293ccf33ff9da279c5460e9f7f7b20N.exe Set value (str) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\72293ccf33ff9da279c5460e9f7f7b20N.exe" 72293ccf33ff9da279c5460e9f7f7b20N.exe -
Suspicious use of SetThreadContext 2 IoCs
Processes:
chargeable.exedescription pid process target process PID 3940 set thread context of 696 3940 chargeable.exe chargeable.exe PID 3940 set thread context of 2128 3940 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 -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 1708 2128 WerFault.exe chargeable.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:
72293ccf33ff9da279c5460e9f7f7b20N.exechargeable.exechargeable.exenetsh.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 72293ccf33ff9da279c5460e9f7f7b20N.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 696 chargeable.exe Token: 33 696 chargeable.exe Token: SeIncBasePriorityPrivilege 696 chargeable.exe Token: 33 696 chargeable.exe Token: SeIncBasePriorityPrivilege 696 chargeable.exe Token: 33 696 chargeable.exe Token: SeIncBasePriorityPrivilege 696 chargeable.exe Token: 33 696 chargeable.exe Token: SeIncBasePriorityPrivilege 696 chargeable.exe Token: 33 696 chargeable.exe Token: SeIncBasePriorityPrivilege 696 chargeable.exe Token: 33 696 chargeable.exe Token: SeIncBasePriorityPrivilege 696 chargeable.exe Token: 33 696 chargeable.exe Token: SeIncBasePriorityPrivilege 696 chargeable.exe Token: 33 696 chargeable.exe Token: SeIncBasePriorityPrivilege 696 chargeable.exe Token: 33 696 chargeable.exe Token: SeIncBasePriorityPrivilege 696 chargeable.exe Token: 33 696 chargeable.exe Token: SeIncBasePriorityPrivilege 696 chargeable.exe Token: 33 696 chargeable.exe Token: SeIncBasePriorityPrivilege 696 chargeable.exe Token: 33 696 chargeable.exe Token: SeIncBasePriorityPrivilege 696 chargeable.exe -
Suspicious use of WriteProcessMemory 22 IoCs
Processes:
72293ccf33ff9da279c5460e9f7f7b20N.exechargeable.exechargeable.exedescription pid process target process PID 864 wrote to memory of 3940 864 72293ccf33ff9da279c5460e9f7f7b20N.exe chargeable.exe PID 864 wrote to memory of 3940 864 72293ccf33ff9da279c5460e9f7f7b20N.exe chargeable.exe PID 864 wrote to memory of 3940 864 72293ccf33ff9da279c5460e9f7f7b20N.exe chargeable.exe PID 3940 wrote to memory of 2128 3940 chargeable.exe chargeable.exe PID 3940 wrote to memory of 2128 3940 chargeable.exe chargeable.exe PID 3940 wrote to memory of 2128 3940 chargeable.exe chargeable.exe PID 3940 wrote to memory of 696 3940 chargeable.exe chargeable.exe PID 3940 wrote to memory of 696 3940 chargeable.exe chargeable.exe PID 3940 wrote to memory of 696 3940 chargeable.exe chargeable.exe PID 3940 wrote to memory of 696 3940 chargeable.exe chargeable.exe PID 3940 wrote to memory of 696 3940 chargeable.exe chargeable.exe PID 3940 wrote to memory of 696 3940 chargeable.exe chargeable.exe PID 3940 wrote to memory of 696 3940 chargeable.exe chargeable.exe PID 3940 wrote to memory of 696 3940 chargeable.exe chargeable.exe PID 3940 wrote to memory of 2128 3940 chargeable.exe chargeable.exe PID 3940 wrote to memory of 2128 3940 chargeable.exe chargeable.exe PID 3940 wrote to memory of 2128 3940 chargeable.exe chargeable.exe PID 3940 wrote to memory of 2128 3940 chargeable.exe chargeable.exe PID 3940 wrote to memory of 2128 3940 chargeable.exe chargeable.exe PID 696 wrote to memory of 4804 696 chargeable.exe netsh.exe PID 696 wrote to memory of 4804 696 chargeable.exe netsh.exe PID 696 wrote to memory of 4804 696 chargeable.exe netsh.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\72293ccf33ff9da279c5460e9f7f7b20N.exe"C:\Users\Admin\AppData\Local\Temp\72293ccf33ff9da279c5460e9f7f7b20N.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:864 -
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:3940 -
C:\Users\Admin\AppData\Roaming\confuse\chargeable.exeC:\Users\Admin\AppData\Roaming\confuse\chargeable.exe3⤵
- Executes dropped EXE
PID:2128 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2128 -s 844⤵
- Program crash
PID:1708 -
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:696 -
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:4804
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2128 -ip 21281⤵PID:3112
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
MD5f847199c428ff9550926658427314c64
SHA1808ee1da7ecfd5ecb4e83286eb269780ab05dba0
SHA2564d7e30be4a97e544bc920a9d25f05409da2569c714c639fd8d9f25aaaad57891
SHA5126d60ae356dc90e9bcaf32d7321b986095862604d4fe05cbe218043ced891a2ddcd2442c3c4f6a097aa986042b2e3a7fc2b8fbda12791445d04dd04613231b894