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Analysis
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max time kernel
149s -
max time network
142s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system -
submitted
12/09/2024, 22:33
Static task
static1
Behavioral task
behavioral1
Sample
50aa36f5127822980c319dca7322160aed25ebed0fdfeb536ffd677bc823691f.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
50aa36f5127822980c319dca7322160aed25ebed0fdfeb536ffd677bc823691f.exe
Resource
win10v2004-20240802-en
General
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Target
50aa36f5127822980c319dca7322160aed25ebed0fdfeb536ffd677bc823691f.exe
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Size
110KB
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MD5
abb0c749c613d62fc1a1a2ca696409ef
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SHA1
54a6d6e056d459018c3b850fafe72765c52dc5f8
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SHA256
50aa36f5127822980c319dca7322160aed25ebed0fdfeb536ffd677bc823691f
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SHA512
847bbd1f85d6dbcd59d790af2aa5542e461dc2e1c654d6ef8a52b513e80be9c2cf82b8d49c1eecb6967e8101d9ff9821977893b200d84fe22f35b32190f9c6d1
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SSDEEP
3072:e02Hz+fdxuHJr2SLp2FoYYT+jAAm6/A0Me:/nup5LDrT+0h6
Malware Config
Extracted
njrat
0.7d
HacKed 2025
chipo.publicvm.com:1177
61bdc0e17a9f9215df162e0317b9e135
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reg_key
61bdc0e17a9f9215df162e0317b9e135
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splitter
|'|'|
Signatures
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Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2796 netsh.exe -
Drops startup file 2 IoCs
description ioc Process File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\61bdc0e17a9f9215df162e0317b9e135.exe chrome.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\61bdc0e17a9f9215df162e0317b9e135.exe chrome.exe -
Executes dropped EXE 1 IoCs
pid Process 2804 chrome.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\61bdc0e17a9f9215df162e0317b9e135 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\chrome.exe\" .." chrome.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\61bdc0e17a9f9215df162e0317b9e135 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\chrome.exe\" .." chrome.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.
description ioc Process Key opened \REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh netsh.exe Key queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh netsh.exe Key value enumerated \REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh netsh.exe -
Suspicious use of AdjustPrivilegeToken 35 IoCs
description pid Process Token: SeDebugPrivilege 2804 chrome.exe Token: 33 2804 chrome.exe Token: SeIncBasePriorityPrivilege 2804 chrome.exe Token: 33 2804 chrome.exe Token: SeIncBasePriorityPrivilege 2804 chrome.exe Token: 33 2804 chrome.exe Token: SeIncBasePriorityPrivilege 2804 chrome.exe Token: 33 2804 chrome.exe Token: SeIncBasePriorityPrivilege 2804 chrome.exe Token: 33 2804 chrome.exe Token: SeIncBasePriorityPrivilege 2804 chrome.exe Token: 33 2804 chrome.exe Token: SeIncBasePriorityPrivilege 2804 chrome.exe Token: 33 2804 chrome.exe Token: SeIncBasePriorityPrivilege 2804 chrome.exe Token: 33 2804 chrome.exe Token: SeIncBasePriorityPrivilege 2804 chrome.exe Token: 33 2804 chrome.exe Token: SeIncBasePriorityPrivilege 2804 chrome.exe Token: 33 2804 chrome.exe Token: SeIncBasePriorityPrivilege 2804 chrome.exe Token: 33 2804 chrome.exe Token: SeIncBasePriorityPrivilege 2804 chrome.exe Token: 33 2804 chrome.exe Token: SeIncBasePriorityPrivilege 2804 chrome.exe Token: 33 2804 chrome.exe Token: SeIncBasePriorityPrivilege 2804 chrome.exe Token: 33 2804 chrome.exe Token: SeIncBasePriorityPrivilege 2804 chrome.exe Token: 33 2804 chrome.exe Token: SeIncBasePriorityPrivilege 2804 chrome.exe Token: 33 2804 chrome.exe Token: SeIncBasePriorityPrivilege 2804 chrome.exe Token: 33 2804 chrome.exe Token: SeIncBasePriorityPrivilege 2804 chrome.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2240 wrote to memory of 2804 2240 50aa36f5127822980c319dca7322160aed25ebed0fdfeb536ffd677bc823691f.exe 30 PID 2240 wrote to memory of 2804 2240 50aa36f5127822980c319dca7322160aed25ebed0fdfeb536ffd677bc823691f.exe 30 PID 2240 wrote to memory of 2804 2240 50aa36f5127822980c319dca7322160aed25ebed0fdfeb536ffd677bc823691f.exe 30 PID 2804 wrote to memory of 2796 2804 chrome.exe 31 PID 2804 wrote to memory of 2796 2804 chrome.exe 31 PID 2804 wrote to memory of 2796 2804 chrome.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\50aa36f5127822980c319dca7322160aed25ebed0fdfeb536ffd677bc823691f.exe"C:\Users\Admin\AppData\Local\Temp\50aa36f5127822980c319dca7322160aed25ebed0fdfeb536ffd677bc823691f.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2240 -
C:\Users\Admin\AppData\Local\Temp\chrome.exe"C:\Users\Admin\AppData\Local\Temp\chrome.exe"2⤵
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2804 -
C:\Windows\system32\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\chrome.exe" "chrome.exe" ENABLE3⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
PID:2796
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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
110KB
MD5abb0c749c613d62fc1a1a2ca696409ef
SHA154a6d6e056d459018c3b850fafe72765c52dc5f8
SHA25650aa36f5127822980c319dca7322160aed25ebed0fdfeb536ffd677bc823691f
SHA512847bbd1f85d6dbcd59d790af2aa5542e461dc2e1c654d6ef8a52b513e80be9c2cf82b8d49c1eecb6967e8101d9ff9821977893b200d84fe22f35b32190f9c6d1