Analysis
-
max time kernel
116s -
max time network
120s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-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
-
Target
41b47975c4ff5e6765136d1d7eb4f920N.exe
-
Size
109KB
-
MD5
41b47975c4ff5e6765136d1d7eb4f920
-
SHA1
c23bd9b148973fe186f64967b624afd20d9b436b
-
SHA256
5ba1bda0c7717941dcd453bc2fd31dde89a70f9983e741bb33a475bbe679cc40
-
SHA512
7aafac2dd8a3139525d10446978c9347ac1c15f572cd8dfe53ad1d300da6495515fd33eb28438eddb2d7745c24a558214a999c6bcbf837054c63bc4efc456a65
-
SSDEEP
1536:orp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4xtKegoxmOBh73jj:w5eznsjsguGDFqGx8egoxmO3rf
Malware Config
Extracted
njrat
0.7d
neuf
doddyfire.linkpc.net:10000
e1a87040f2026369a233f9ae76301b7b
-
reg_key
e1a87040f2026369a233f9ae76301b7b
-
splitter
|'|'|
Signatures
-
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 3868 netsh.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
41b47975c4ff5e6765136d1d7eb4f920N.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Control Panel\International\Geo\Nation 41b47975c4ff5e6765136d1d7eb4f920N.exe -
Executes dropped EXE 2 IoCs
Processes:
chargeable.exechargeable.exepid process 1012 chargeable.exe 4584 chargeable.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
41b47975c4ff5e6765136d1d7eb4f920N.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe" 41b47975c4ff5e6765136d1d7eb4f920N.exe Set value (str) \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\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 1012 set thread context of 4584 1012 chargeable.exe chargeable.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
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 4584 chargeable.exe Token: 33 4584 chargeable.exe Token: SeIncBasePriorityPrivilege 4584 chargeable.exe Token: 33 4584 chargeable.exe Token: SeIncBasePriorityPrivilege 4584 chargeable.exe Token: 33 4584 chargeable.exe Token: SeIncBasePriorityPrivilege 4584 chargeable.exe Token: 33 4584 chargeable.exe Token: SeIncBasePriorityPrivilege 4584 chargeable.exe Token: 33 4584 chargeable.exe Token: SeIncBasePriorityPrivilege 4584 chargeable.exe Token: 33 4584 chargeable.exe Token: SeIncBasePriorityPrivilege 4584 chargeable.exe Token: 33 4584 chargeable.exe Token: SeIncBasePriorityPrivilege 4584 chargeable.exe Token: 33 4584 chargeable.exe Token: SeIncBasePriorityPrivilege 4584 chargeable.exe Token: 33 4584 chargeable.exe Token: SeIncBasePriorityPrivilege 4584 chargeable.exe Token: 33 4584 chargeable.exe Token: SeIncBasePriorityPrivilege 4584 chargeable.exe Token: 33 4584 chargeable.exe Token: SeIncBasePriorityPrivilege 4584 chargeable.exe Token: 33 4584 chargeable.exe Token: SeIncBasePriorityPrivilege 4584 chargeable.exe -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
41b47975c4ff5e6765136d1d7eb4f920N.exechargeable.exechargeable.exedescription pid process target process PID 3584 wrote to memory of 1012 3584 41b47975c4ff5e6765136d1d7eb4f920N.exe chargeable.exe PID 3584 wrote to memory of 1012 3584 41b47975c4ff5e6765136d1d7eb4f920N.exe chargeable.exe PID 3584 wrote to memory of 1012 3584 41b47975c4ff5e6765136d1d7eb4f920N.exe chargeable.exe PID 1012 wrote to memory of 4584 1012 chargeable.exe chargeable.exe PID 1012 wrote to memory of 4584 1012 chargeable.exe chargeable.exe PID 1012 wrote to memory of 4584 1012 chargeable.exe chargeable.exe PID 1012 wrote to memory of 4584 1012 chargeable.exe chargeable.exe PID 1012 wrote to memory of 4584 1012 chargeable.exe chargeable.exe PID 1012 wrote to memory of 4584 1012 chargeable.exe chargeable.exe PID 1012 wrote to memory of 4584 1012 chargeable.exe chargeable.exe PID 1012 wrote to memory of 4584 1012 chargeable.exe chargeable.exe PID 4584 wrote to memory of 3868 4584 chargeable.exe netsh.exe PID 4584 wrote to memory of 3868 4584 chargeable.exe netsh.exe PID 4584 wrote to memory of 3868 4584 chargeable.exe netsh.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\41b47975c4ff5e6765136d1d7eb4f920N.exe"C:\Users\Admin\AppData\Local\Temp\41b47975c4ff5e6765136d1d7eb4f920N.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3584 -
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:1012 -
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:4584 -
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:3868
-
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4276,i,10065386245627775856,6567048529106473151,262144 --variations-seed-version --mojo-platform-channel-handle=1044 /prefetch:81⤵PID:5068
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
-
Filesize
400B
MD50a9b4592cd49c3c21f6767c2dabda92f
SHA1f534297527ae5ccc0ecb2221ddeb8e58daeb8b74
SHA256c7effe9cb81a70d738dee863991afefab040290d4c4b78b4202383bcb9f88fcd
SHA5126b878df474e5bbfb8e9e265f15a76560c2ef151dcebc6388c82d7f6f86ffaf83f5ade5a09f1842e493cb6c8fd63b0b88d088c728fd725f7139f965a5ee332307
-
Filesize
109KB
MD5c85b73d5d2f6bac6ab072fab6d01f421
SHA116c02615db9a657c1b60eabcdb14a93d2e59cfe5
SHA25616a497834a9b532fc635020e40a92c0e7c8c285bf6a989d3f86ccf499916021d
SHA51284bf1fc68e4d4175f9f557374e6ae749f01ca6973758da97d669a5d30ae1e0aaac9a1a0d2cbd02dc3ed0d9494ebde4349a4f6fe90531e111d8f4d7ce09e70cff