Analysis
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max time kernel
147s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
28-08-2024 21:54
Static task
static1
Behavioral task
behavioral1
Sample
4ecf642efaacb2436c6c50d67b4c13b412223e03c288318b6dbd06f3f142cf59.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
4ecf642efaacb2436c6c50d67b4c13b412223e03c288318b6dbd06f3f142cf59.exe
Resource
win10v2004-20240802-en
General
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Target
4ecf642efaacb2436c6c50d67b4c13b412223e03c288318b6dbd06f3f142cf59.exe
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Size
112KB
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MD5
66dc5e2f50b0127d751a38e7ee662559
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SHA1
3df32baf65a27c3e2be0913bf695cc9fabcd21ae
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SHA256
4ecf642efaacb2436c6c50d67b4c13b412223e03c288318b6dbd06f3f142cf59
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SHA512
52ae840cd96a4e47f20567d0e3ab0bd747ba59b04f52c3c738bf87a0f48b83464eb9a449640de2ad680bd6f64c58a922d64e5a62de81945e262751a54d28fcd1
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SSDEEP
1536:orp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4xtKegoxmOBh73r:w5eznsjsguGDFqGx8egoxmO3rr
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 1304 netsh.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
4ecf642efaacb2436c6c50d67b4c13b412223e03c288318b6dbd06f3f142cf59.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation 4ecf642efaacb2436c6c50d67b4c13b412223e03c288318b6dbd06f3f142cf59.exe -
Executes dropped EXE 2 IoCs
Processes:
chargeable.exechargeable.exepid process 4936 chargeable.exe 3660 chargeable.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
4ecf642efaacb2436c6c50d67b4c13b412223e03c288318b6dbd06f3f142cf59.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe" 4ecf642efaacb2436c6c50d67b4c13b412223e03c288318b6dbd06f3f142cf59.exe Set value (str) \REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\4ecf642efaacb2436c6c50d67b4c13b412223e03c288318b6dbd06f3f142cf59.exe" 4ecf642efaacb2436c6c50d67b4c13b412223e03c288318b6dbd06f3f142cf59.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
chargeable.exedescription pid process target process PID 4936 set thread context of 3660 4936 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:
4ecf642efaacb2436c6c50d67b4c13b412223e03c288318b6dbd06f3f142cf59.exechargeable.exechargeable.exenetsh.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 4ecf642efaacb2436c6c50d67b4c13b412223e03c288318b6dbd06f3f142cf59.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 3660 chargeable.exe Token: 33 3660 chargeable.exe Token: SeIncBasePriorityPrivilege 3660 chargeable.exe Token: 33 3660 chargeable.exe Token: SeIncBasePriorityPrivilege 3660 chargeable.exe Token: 33 3660 chargeable.exe Token: SeIncBasePriorityPrivilege 3660 chargeable.exe Token: 33 3660 chargeable.exe Token: SeIncBasePriorityPrivilege 3660 chargeable.exe Token: 33 3660 chargeable.exe Token: SeIncBasePriorityPrivilege 3660 chargeable.exe Token: 33 3660 chargeable.exe Token: SeIncBasePriorityPrivilege 3660 chargeable.exe Token: 33 3660 chargeable.exe Token: SeIncBasePriorityPrivilege 3660 chargeable.exe Token: 33 3660 chargeable.exe Token: SeIncBasePriorityPrivilege 3660 chargeable.exe Token: 33 3660 chargeable.exe Token: SeIncBasePriorityPrivilege 3660 chargeable.exe Token: 33 3660 chargeable.exe Token: SeIncBasePriorityPrivilege 3660 chargeable.exe Token: 33 3660 chargeable.exe Token: SeIncBasePriorityPrivilege 3660 chargeable.exe Token: 33 3660 chargeable.exe Token: SeIncBasePriorityPrivilege 3660 chargeable.exe Token: 33 3660 chargeable.exe Token: SeIncBasePriorityPrivilege 3660 chargeable.exe Token: 33 3660 chargeable.exe Token: SeIncBasePriorityPrivilege 3660 chargeable.exe Token: 33 3660 chargeable.exe Token: SeIncBasePriorityPrivilege 3660 chargeable.exe Token: 33 3660 chargeable.exe Token: SeIncBasePriorityPrivilege 3660 chargeable.exe -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
4ecf642efaacb2436c6c50d67b4c13b412223e03c288318b6dbd06f3f142cf59.exechargeable.exechargeable.exedescription pid process target process PID 1672 wrote to memory of 4936 1672 4ecf642efaacb2436c6c50d67b4c13b412223e03c288318b6dbd06f3f142cf59.exe chargeable.exe PID 1672 wrote to memory of 4936 1672 4ecf642efaacb2436c6c50d67b4c13b412223e03c288318b6dbd06f3f142cf59.exe chargeable.exe PID 1672 wrote to memory of 4936 1672 4ecf642efaacb2436c6c50d67b4c13b412223e03c288318b6dbd06f3f142cf59.exe chargeable.exe PID 4936 wrote to memory of 3660 4936 chargeable.exe chargeable.exe PID 4936 wrote to memory of 3660 4936 chargeable.exe chargeable.exe PID 4936 wrote to memory of 3660 4936 chargeable.exe chargeable.exe PID 4936 wrote to memory of 3660 4936 chargeable.exe chargeable.exe PID 4936 wrote to memory of 3660 4936 chargeable.exe chargeable.exe PID 4936 wrote to memory of 3660 4936 chargeable.exe chargeable.exe PID 4936 wrote to memory of 3660 4936 chargeable.exe chargeable.exe PID 4936 wrote to memory of 3660 4936 chargeable.exe chargeable.exe PID 3660 wrote to memory of 1304 3660 chargeable.exe netsh.exe PID 3660 wrote to memory of 1304 3660 chargeable.exe netsh.exe PID 3660 wrote to memory of 1304 3660 chargeable.exe netsh.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\4ecf642efaacb2436c6c50d67b4c13b412223e03c288318b6dbd06f3f142cf59.exe"C:\Users\Admin\AppData\Local\Temp\4ecf642efaacb2436c6c50d67b4c13b412223e03c288318b6dbd06f3f142cf59.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1672 -
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:4936 -
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:3660 -
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:1304
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
112KB
MD582e61fa3333137de7cd58074f75cb9e2
SHA13b1d69cbd18790e86d6a7a9253e1fa5dd8d06cd1
SHA256f72a48973e8b7caeabdf97f4c232bab0850c913b3996d60c32211f9f8e414e24
SHA51262c94644e689b217ecc359256238787ed050134a5612552a2791be356e31136566d5dbd72439d4bf44777f63751b9967c64aeb98aa3193ad55bd890495d26c3f