Analysis
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max time kernel
150s -
max time network
140s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
24-06-2024 01:24
Behavioral task
behavioral1
Sample
cd35af0a0c71c382760409b7b2343c83857d89af55a0b365b72962f0f9c9a400.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
cd35af0a0c71c382760409b7b2343c83857d89af55a0b365b72962f0f9c9a400.exe
Resource
win10v2004-20240508-en
General
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Target
cd35af0a0c71c382760409b7b2343c83857d89af55a0b365b72962f0f9c9a400.exe
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Size
31KB
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MD5
7a94013c17dc892cea16fbae38646e43
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SHA1
8cf54c2ac961dd5c82cb3b07c3de317847aa94bb
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SHA256
cd35af0a0c71c382760409b7b2343c83857d89af55a0b365b72962f0f9c9a400
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SHA512
03df47db51270ca87172620e5475ce7a99e1fa1bd61e1956e4a0b28792d145b4e30d5b0d7b0737ea3ed331cecaecde78641b4828b1b9425153b1f9ac3de6f34a
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SSDEEP
768:jrpS7G1XB9Qzxry1vIPvQbxvKnQmIDUu0tinaj:Um6yxIQVk7j
Malware Config
Extracted
njrat
0.7d
windowsdefender
88.168.211.65:6522
9300538b8eb52046b545ea0eefc265d2
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reg_key
9300538b8eb52046b545ea0eefc265d2
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splitter
Y262SUCZ4UJJ
Signatures
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Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 2596 netsh.exe -
Drops startup file 2 IoCs
Processes:
chrome_protect.exedescription ioc process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\9300538b8eb52046b545ea0eefc265d2.exe chrome_protect.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\9300538b8eb52046b545ea0eefc265d2.exe chrome_protect.exe -
Executes dropped EXE 1 IoCs
Processes:
chrome_protect.exepid process 2636 chrome_protect.exe -
Loads dropped DLL 1 IoCs
Processes:
cd35af0a0c71c382760409b7b2343c83857d89af55a0b365b72962f0f9c9a400.exepid process 1652 cd35af0a0c71c382760409b7b2343c83857d89af55a0b365b72962f0f9c9a400.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
chrome_protect.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Windows\CurrentVersion\Run\9300538b8eb52046b545ea0eefc265d2 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\chrome_protect.exe\" .." chrome_protect.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\9300538b8eb52046b545ea0eefc265d2 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\chrome_protect.exe\" .." chrome_protect.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 -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
cd35af0a0c71c382760409b7b2343c83857d89af55a0b365b72962f0f9c9a400.exepid process 1652 cd35af0a0c71c382760409b7b2343c83857d89af55a0b365b72962f0f9c9a400.exe 1652 cd35af0a0c71c382760409b7b2343c83857d89af55a0b365b72962f0f9c9a400.exe 1652 cd35af0a0c71c382760409b7b2343c83857d89af55a0b365b72962f0f9c9a400.exe 1652 cd35af0a0c71c382760409b7b2343c83857d89af55a0b365b72962f0f9c9a400.exe 1652 cd35af0a0c71c382760409b7b2343c83857d89af55a0b365b72962f0f9c9a400.exe 1652 cd35af0a0c71c382760409b7b2343c83857d89af55a0b365b72962f0f9c9a400.exe 1652 cd35af0a0c71c382760409b7b2343c83857d89af55a0b365b72962f0f9c9a400.exe 1652 cd35af0a0c71c382760409b7b2343c83857d89af55a0b365b72962f0f9c9a400.exe 1652 cd35af0a0c71c382760409b7b2343c83857d89af55a0b365b72962f0f9c9a400.exe 1652 cd35af0a0c71c382760409b7b2343c83857d89af55a0b365b72962f0f9c9a400.exe 1652 cd35af0a0c71c382760409b7b2343c83857d89af55a0b365b72962f0f9c9a400.exe 1652 cd35af0a0c71c382760409b7b2343c83857d89af55a0b365b72962f0f9c9a400.exe 1652 cd35af0a0c71c382760409b7b2343c83857d89af55a0b365b72962f0f9c9a400.exe 1652 cd35af0a0c71c382760409b7b2343c83857d89af55a0b365b72962f0f9c9a400.exe 1652 cd35af0a0c71c382760409b7b2343c83857d89af55a0b365b72962f0f9c9a400.exe 1652 cd35af0a0c71c382760409b7b2343c83857d89af55a0b365b72962f0f9c9a400.exe 1652 cd35af0a0c71c382760409b7b2343c83857d89af55a0b365b72962f0f9c9a400.exe 1652 cd35af0a0c71c382760409b7b2343c83857d89af55a0b365b72962f0f9c9a400.exe 1652 cd35af0a0c71c382760409b7b2343c83857d89af55a0b365b72962f0f9c9a400.exe 1652 cd35af0a0c71c382760409b7b2343c83857d89af55a0b365b72962f0f9c9a400.exe 1652 cd35af0a0c71c382760409b7b2343c83857d89af55a0b365b72962f0f9c9a400.exe 1652 cd35af0a0c71c382760409b7b2343c83857d89af55a0b365b72962f0f9c9a400.exe 1652 cd35af0a0c71c382760409b7b2343c83857d89af55a0b365b72962f0f9c9a400.exe 1652 cd35af0a0c71c382760409b7b2343c83857d89af55a0b365b72962f0f9c9a400.exe 1652 cd35af0a0c71c382760409b7b2343c83857d89af55a0b365b72962f0f9c9a400.exe 1652 cd35af0a0c71c382760409b7b2343c83857d89af55a0b365b72962f0f9c9a400.exe 1652 cd35af0a0c71c382760409b7b2343c83857d89af55a0b365b72962f0f9c9a400.exe 1652 cd35af0a0c71c382760409b7b2343c83857d89af55a0b365b72962f0f9c9a400.exe 1652 cd35af0a0c71c382760409b7b2343c83857d89af55a0b365b72962f0f9c9a400.exe 1652 cd35af0a0c71c382760409b7b2343c83857d89af55a0b365b72962f0f9c9a400.exe 1652 cd35af0a0c71c382760409b7b2343c83857d89af55a0b365b72962f0f9c9a400.exe 1652 cd35af0a0c71c382760409b7b2343c83857d89af55a0b365b72962f0f9c9a400.exe 1652 cd35af0a0c71c382760409b7b2343c83857d89af55a0b365b72962f0f9c9a400.exe 1652 cd35af0a0c71c382760409b7b2343c83857d89af55a0b365b72962f0f9c9a400.exe 1652 cd35af0a0c71c382760409b7b2343c83857d89af55a0b365b72962f0f9c9a400.exe 1652 cd35af0a0c71c382760409b7b2343c83857d89af55a0b365b72962f0f9c9a400.exe 1652 cd35af0a0c71c382760409b7b2343c83857d89af55a0b365b72962f0f9c9a400.exe 1652 cd35af0a0c71c382760409b7b2343c83857d89af55a0b365b72962f0f9c9a400.exe 1652 cd35af0a0c71c382760409b7b2343c83857d89af55a0b365b72962f0f9c9a400.exe 1652 cd35af0a0c71c382760409b7b2343c83857d89af55a0b365b72962f0f9c9a400.exe 1652 cd35af0a0c71c382760409b7b2343c83857d89af55a0b365b72962f0f9c9a400.exe 1652 cd35af0a0c71c382760409b7b2343c83857d89af55a0b365b72962f0f9c9a400.exe 1652 cd35af0a0c71c382760409b7b2343c83857d89af55a0b365b72962f0f9c9a400.exe 1652 cd35af0a0c71c382760409b7b2343c83857d89af55a0b365b72962f0f9c9a400.exe 1652 cd35af0a0c71c382760409b7b2343c83857d89af55a0b365b72962f0f9c9a400.exe 1652 cd35af0a0c71c382760409b7b2343c83857d89af55a0b365b72962f0f9c9a400.exe 1652 cd35af0a0c71c382760409b7b2343c83857d89af55a0b365b72962f0f9c9a400.exe 1652 cd35af0a0c71c382760409b7b2343c83857d89af55a0b365b72962f0f9c9a400.exe 1652 cd35af0a0c71c382760409b7b2343c83857d89af55a0b365b72962f0f9c9a400.exe 1652 cd35af0a0c71c382760409b7b2343c83857d89af55a0b365b72962f0f9c9a400.exe 1652 cd35af0a0c71c382760409b7b2343c83857d89af55a0b365b72962f0f9c9a400.exe 1652 cd35af0a0c71c382760409b7b2343c83857d89af55a0b365b72962f0f9c9a400.exe 1652 cd35af0a0c71c382760409b7b2343c83857d89af55a0b365b72962f0f9c9a400.exe 1652 cd35af0a0c71c382760409b7b2343c83857d89af55a0b365b72962f0f9c9a400.exe 1652 cd35af0a0c71c382760409b7b2343c83857d89af55a0b365b72962f0f9c9a400.exe 1652 cd35af0a0c71c382760409b7b2343c83857d89af55a0b365b72962f0f9c9a400.exe 1652 cd35af0a0c71c382760409b7b2343c83857d89af55a0b365b72962f0f9c9a400.exe 1652 cd35af0a0c71c382760409b7b2343c83857d89af55a0b365b72962f0f9c9a400.exe 1652 cd35af0a0c71c382760409b7b2343c83857d89af55a0b365b72962f0f9c9a400.exe 1652 cd35af0a0c71c382760409b7b2343c83857d89af55a0b365b72962f0f9c9a400.exe 1652 cd35af0a0c71c382760409b7b2343c83857d89af55a0b365b72962f0f9c9a400.exe 1652 cd35af0a0c71c382760409b7b2343c83857d89af55a0b365b72962f0f9c9a400.exe 1652 cd35af0a0c71c382760409b7b2343c83857d89af55a0b365b72962f0f9c9a400.exe 1652 cd35af0a0c71c382760409b7b2343c83857d89af55a0b365b72962f0f9c9a400.exe -
Suspicious use of AdjustPrivilegeToken 36 IoCs
Processes:
cd35af0a0c71c382760409b7b2343c83857d89af55a0b365b72962f0f9c9a400.exechrome_protect.exedescription pid process Token: SeDebugPrivilege 1652 cd35af0a0c71c382760409b7b2343c83857d89af55a0b365b72962f0f9c9a400.exe Token: SeDebugPrivilege 2636 chrome_protect.exe Token: 33 2636 chrome_protect.exe Token: SeIncBasePriorityPrivilege 2636 chrome_protect.exe Token: 33 2636 chrome_protect.exe Token: SeIncBasePriorityPrivilege 2636 chrome_protect.exe Token: 33 2636 chrome_protect.exe Token: SeIncBasePriorityPrivilege 2636 chrome_protect.exe Token: 33 2636 chrome_protect.exe Token: SeIncBasePriorityPrivilege 2636 chrome_protect.exe Token: 33 2636 chrome_protect.exe Token: SeIncBasePriorityPrivilege 2636 chrome_protect.exe Token: 33 2636 chrome_protect.exe Token: SeIncBasePriorityPrivilege 2636 chrome_protect.exe Token: 33 2636 chrome_protect.exe Token: SeIncBasePriorityPrivilege 2636 chrome_protect.exe Token: 33 2636 chrome_protect.exe Token: SeIncBasePriorityPrivilege 2636 chrome_protect.exe Token: 33 2636 chrome_protect.exe Token: SeIncBasePriorityPrivilege 2636 chrome_protect.exe Token: 33 2636 chrome_protect.exe Token: SeIncBasePriorityPrivilege 2636 chrome_protect.exe Token: 33 2636 chrome_protect.exe Token: SeIncBasePriorityPrivilege 2636 chrome_protect.exe Token: 33 2636 chrome_protect.exe Token: SeIncBasePriorityPrivilege 2636 chrome_protect.exe Token: 33 2636 chrome_protect.exe Token: SeIncBasePriorityPrivilege 2636 chrome_protect.exe Token: 33 2636 chrome_protect.exe Token: SeIncBasePriorityPrivilege 2636 chrome_protect.exe Token: 33 2636 chrome_protect.exe Token: SeIncBasePriorityPrivilege 2636 chrome_protect.exe Token: 33 2636 chrome_protect.exe Token: SeIncBasePriorityPrivilege 2636 chrome_protect.exe Token: 33 2636 chrome_protect.exe Token: SeIncBasePriorityPrivilege 2636 chrome_protect.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
cd35af0a0c71c382760409b7b2343c83857d89af55a0b365b72962f0f9c9a400.exechrome_protect.exedescription pid process target process PID 1652 wrote to memory of 2636 1652 cd35af0a0c71c382760409b7b2343c83857d89af55a0b365b72962f0f9c9a400.exe chrome_protect.exe PID 1652 wrote to memory of 2636 1652 cd35af0a0c71c382760409b7b2343c83857d89af55a0b365b72962f0f9c9a400.exe chrome_protect.exe PID 1652 wrote to memory of 2636 1652 cd35af0a0c71c382760409b7b2343c83857d89af55a0b365b72962f0f9c9a400.exe chrome_protect.exe PID 1652 wrote to memory of 2636 1652 cd35af0a0c71c382760409b7b2343c83857d89af55a0b365b72962f0f9c9a400.exe chrome_protect.exe PID 2636 wrote to memory of 2596 2636 chrome_protect.exe netsh.exe PID 2636 wrote to memory of 2596 2636 chrome_protect.exe netsh.exe PID 2636 wrote to memory of 2596 2636 chrome_protect.exe netsh.exe PID 2636 wrote to memory of 2596 2636 chrome_protect.exe netsh.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\cd35af0a0c71c382760409b7b2343c83857d89af55a0b365b72962f0f9c9a400.exe"C:\Users\Admin\AppData\Local\Temp\cd35af0a0c71c382760409b7b2343c83857d89af55a0b365b72962f0f9c9a400.exe"1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1652 -
C:\Users\Admin\AppData\Local\Temp\chrome_protect.exe"C:\Users\Admin\AppData\Local\Temp\chrome_protect.exe"2⤵
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2636 -
C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\chrome_protect.exe" "chrome_protect.exe" ENABLE3⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
PID:2596
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
1Replay Monitor
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Downloads
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Filesize
31KB
MD57a94013c17dc892cea16fbae38646e43
SHA18cf54c2ac961dd5c82cb3b07c3de317847aa94bb
SHA256cd35af0a0c71c382760409b7b2343c83857d89af55a0b365b72962f0f9c9a400
SHA51203df47db51270ca87172620e5475ce7a99e1fa1bd61e1956e4a0b28792d145b4e30d5b0d7b0737ea3ed331cecaecde78641b4828b1b9425153b1f9ac3de6f34a