Analysis
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max time kernel
114s -
max time network
118s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
16-08-2024 19:29
Static task
static1
Behavioral task
behavioral1
Sample
eb2639a63a2f15de26bcd921fcb27140N.exe
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
eb2639a63a2f15de26bcd921fcb27140N.exe
Resource
win10v2004-20240802-en
General
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Target
eb2639a63a2f15de26bcd921fcb27140N.exe
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Size
118KB
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MD5
eb2639a63a2f15de26bcd921fcb27140
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SHA1
3472a08c4361729ced3df8a78a416bf6bb1f1a38
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SHA256
3b453aa11bb950c800159371c084919acfab0c68affad8a913330d16cf11125b
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SHA512
56cd625891b4f83e9463510cafb7cfe95ae1bbf41a546e60cf5b0ae17994e8dfcf34c2df0ba1e40f7cc8785636c19c1a277cc4aa382e01f4d88609d1479295b9
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SSDEEP
1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDLX:P5eznsjsguGDFqGZ2rDLX
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 532 netsh.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
eb2639a63a2f15de26bcd921fcb27140N.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation eb2639a63a2f15de26bcd921fcb27140N.exe -
Executes dropped EXE 2 IoCs
Processes:
chargeable.exechargeable.exepid process 1144 chargeable.exe 1400 chargeable.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
eb2639a63a2f15de26bcd921fcb27140N.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\eb2639a63a2f15de26bcd921fcb27140N.exe" eb2639a63a2f15de26bcd921fcb27140N.exe Set value (str) \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe" eb2639a63a2f15de26bcd921fcb27140N.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
chargeable.exedescription pid process target process PID 1144 set thread context of 1400 1144 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 queried \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key value enumerated \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key opened \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:
eb2639a63a2f15de26bcd921fcb27140N.exechargeable.exechargeable.exenetsh.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language eb2639a63a2f15de26bcd921fcb27140N.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 1400 chargeable.exe Token: 33 1400 chargeable.exe Token: SeIncBasePriorityPrivilege 1400 chargeable.exe Token: 33 1400 chargeable.exe Token: SeIncBasePriorityPrivilege 1400 chargeable.exe Token: 33 1400 chargeable.exe Token: SeIncBasePriorityPrivilege 1400 chargeable.exe Token: 33 1400 chargeable.exe Token: SeIncBasePriorityPrivilege 1400 chargeable.exe Token: 33 1400 chargeable.exe Token: SeIncBasePriorityPrivilege 1400 chargeable.exe Token: 33 1400 chargeable.exe Token: SeIncBasePriorityPrivilege 1400 chargeable.exe Token: 33 1400 chargeable.exe Token: SeIncBasePriorityPrivilege 1400 chargeable.exe Token: 33 1400 chargeable.exe Token: SeIncBasePriorityPrivilege 1400 chargeable.exe Token: 33 1400 chargeable.exe Token: SeIncBasePriorityPrivilege 1400 chargeable.exe Token: 33 1400 chargeable.exe Token: SeIncBasePriorityPrivilege 1400 chargeable.exe Token: 33 1400 chargeable.exe Token: SeIncBasePriorityPrivilege 1400 chargeable.exe Token: 33 1400 chargeable.exe Token: SeIncBasePriorityPrivilege 1400 chargeable.exe -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
eb2639a63a2f15de26bcd921fcb27140N.exechargeable.exechargeable.exedescription pid process target process PID 1216 wrote to memory of 1144 1216 eb2639a63a2f15de26bcd921fcb27140N.exe chargeable.exe PID 1216 wrote to memory of 1144 1216 eb2639a63a2f15de26bcd921fcb27140N.exe chargeable.exe PID 1216 wrote to memory of 1144 1216 eb2639a63a2f15de26bcd921fcb27140N.exe chargeable.exe PID 1144 wrote to memory of 1400 1144 chargeable.exe chargeable.exe PID 1144 wrote to memory of 1400 1144 chargeable.exe chargeable.exe PID 1144 wrote to memory of 1400 1144 chargeable.exe chargeable.exe PID 1144 wrote to memory of 1400 1144 chargeable.exe chargeable.exe PID 1144 wrote to memory of 1400 1144 chargeable.exe chargeable.exe PID 1144 wrote to memory of 1400 1144 chargeable.exe chargeable.exe PID 1144 wrote to memory of 1400 1144 chargeable.exe chargeable.exe PID 1144 wrote to memory of 1400 1144 chargeable.exe chargeable.exe PID 1400 wrote to memory of 532 1400 chargeable.exe netsh.exe PID 1400 wrote to memory of 532 1400 chargeable.exe netsh.exe PID 1400 wrote to memory of 532 1400 chargeable.exe netsh.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\eb2639a63a2f15de26bcd921fcb27140N.exe"C:\Users\Admin\AppData\Local\Temp\eb2639a63a2f15de26bcd921fcb27140N.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1216 -
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:1144 -
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:1400 -
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:532
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
118KB
MD5eb6e3302873b8ebe277101062c38f28f
SHA11748c0f4fa91ce8b0477b54e7140a3ce46e8e682
SHA256a5935654804c4905cee4860e6e414b726c374f3c7d5860ca4f6928302966096e
SHA5121f673064be4e2ec8eb49915cb835b1d377a795bd54c396e1762dd949c878304dbe519ef7997acb32427e254e33bcb63efe1de09b2d9df55b2d196d3761932529