Analysis
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max time kernel
150s -
max time network
151s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
23-03-2023 01:18
Behavioral task
behavioral1
Sample
8f7070b244f6d3559a7e5d4bb8682ec5bca8aacd37104c827d1897c3f6cd0650.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
8f7070b244f6d3559a7e5d4bb8682ec5bca8aacd37104c827d1897c3f6cd0650.exe
Resource
win10v2004-20230220-en
General
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Target
8f7070b244f6d3559a7e5d4bb8682ec5bca8aacd37104c827d1897c3f6cd0650.exe
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Size
36KB
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MD5
575c1492c69a86293f944a8cc528ce78
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SHA1
656d2ea8cd84cf5a867c1ca0561bc9625710d3ac
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SHA256
8f7070b244f6d3559a7e5d4bb8682ec5bca8aacd37104c827d1897c3f6cd0650
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SHA512
8d8cd00a2f994c2442297a57f27218281a3e80a3d33730e554d73c7321321436149a580da696fa2991c6328782cc0c953935f9f96766c76bb2288ec654a53dc3
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SSDEEP
768:VOgJlLJfcPCojPysIorM+rMRa8NuH0qt:VOgJlLJUJjP2z+gRJNu0
Malware Config
Extracted
njrat
im523
cheat
2.tcp.eu.ngrok.io:17504
b05dabd0487f13e40a479ae7210235a7
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reg_key
b05dabd0487f13e40a479ae7210235a7
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splitter
|'|'|
Signatures
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Modifies Windows Firewall 1 TTPs 1 IoCs
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Drops startup file 2 IoCs
Processes:
GestLoader.exedescription ioc process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\b05dabd0487f13e40a479ae7210235a7.exe GestLoader.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\b05dabd0487f13e40a479ae7210235a7.exe GestLoader.exe -
Executes dropped EXE 1 IoCs
Processes:
GestLoader.exepid process 912 GestLoader.exe -
Loads dropped DLL 2 IoCs
Processes:
8f7070b244f6d3559a7e5d4bb8682ec5bca8aacd37104c827d1897c3f6cd0650.exepid process 1160 8f7070b244f6d3559a7e5d4bb8682ec5bca8aacd37104c827d1897c3f6cd0650.exe 1160 8f7070b244f6d3559a7e5d4bb8682ec5bca8aacd37104c827d1897c3f6cd0650.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
GestLoader.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Windows\CurrentVersion\Run\b05dabd0487f13e40a479ae7210235a7 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\GestLoader.exe\" .." GestLoader.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\b05dabd0487f13e40a479ae7210235a7 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\GestLoader.exe\" .." GestLoader.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs
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Drops autorun.inf file 1 TTPs 3 IoCs
Malware can abuse Windows Autorun to spread further via attached volumes.
Processes:
GestLoader.exedescription ioc process File created C:\autorun.inf GestLoader.exe File opened for modification C:\autorun.inf GestLoader.exe File created D:\autorun.inf GestLoader.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
GestLoader.exepid process 912 GestLoader.exe 912 GestLoader.exe 912 GestLoader.exe 912 GestLoader.exe 912 GestLoader.exe 912 GestLoader.exe 912 GestLoader.exe 912 GestLoader.exe 912 GestLoader.exe 912 GestLoader.exe 912 GestLoader.exe 912 GestLoader.exe 912 GestLoader.exe 912 GestLoader.exe 912 GestLoader.exe 912 GestLoader.exe 912 GestLoader.exe 912 GestLoader.exe 912 GestLoader.exe 912 GestLoader.exe 912 GestLoader.exe 912 GestLoader.exe 912 GestLoader.exe 912 GestLoader.exe 912 GestLoader.exe 912 GestLoader.exe 912 GestLoader.exe 912 GestLoader.exe 912 GestLoader.exe 912 GestLoader.exe 912 GestLoader.exe 912 GestLoader.exe 912 GestLoader.exe 912 GestLoader.exe 912 GestLoader.exe 912 GestLoader.exe 912 GestLoader.exe 912 GestLoader.exe 912 GestLoader.exe 912 GestLoader.exe 912 GestLoader.exe 912 GestLoader.exe 912 GestLoader.exe 912 GestLoader.exe 912 GestLoader.exe 912 GestLoader.exe 912 GestLoader.exe 912 GestLoader.exe 912 GestLoader.exe 912 GestLoader.exe 912 GestLoader.exe 912 GestLoader.exe 912 GestLoader.exe 912 GestLoader.exe 912 GestLoader.exe 912 GestLoader.exe 912 GestLoader.exe 912 GestLoader.exe 912 GestLoader.exe 912 GestLoader.exe 912 GestLoader.exe 912 GestLoader.exe 912 GestLoader.exe 912 GestLoader.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
GestLoader.exepid process 912 GestLoader.exe -
Suspicious use of AdjustPrivilegeToken 21 IoCs
Processes:
GestLoader.exedescription pid process Token: SeDebugPrivilege 912 GestLoader.exe Token: 33 912 GestLoader.exe Token: SeIncBasePriorityPrivilege 912 GestLoader.exe Token: 33 912 GestLoader.exe Token: SeIncBasePriorityPrivilege 912 GestLoader.exe Token: 33 912 GestLoader.exe Token: SeIncBasePriorityPrivilege 912 GestLoader.exe Token: 33 912 GestLoader.exe Token: SeIncBasePriorityPrivilege 912 GestLoader.exe Token: 33 912 GestLoader.exe Token: SeIncBasePriorityPrivilege 912 GestLoader.exe Token: 33 912 GestLoader.exe Token: SeIncBasePriorityPrivilege 912 GestLoader.exe Token: 33 912 GestLoader.exe Token: SeIncBasePriorityPrivilege 912 GestLoader.exe Token: 33 912 GestLoader.exe Token: SeIncBasePriorityPrivilege 912 GestLoader.exe Token: 33 912 GestLoader.exe Token: SeIncBasePriorityPrivilege 912 GestLoader.exe Token: 33 912 GestLoader.exe Token: SeIncBasePriorityPrivilege 912 GestLoader.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
8f7070b244f6d3559a7e5d4bb8682ec5bca8aacd37104c827d1897c3f6cd0650.exeGestLoader.exedescription pid process target process PID 1160 wrote to memory of 912 1160 8f7070b244f6d3559a7e5d4bb8682ec5bca8aacd37104c827d1897c3f6cd0650.exe GestLoader.exe PID 1160 wrote to memory of 912 1160 8f7070b244f6d3559a7e5d4bb8682ec5bca8aacd37104c827d1897c3f6cd0650.exe GestLoader.exe PID 1160 wrote to memory of 912 1160 8f7070b244f6d3559a7e5d4bb8682ec5bca8aacd37104c827d1897c3f6cd0650.exe GestLoader.exe PID 1160 wrote to memory of 912 1160 8f7070b244f6d3559a7e5d4bb8682ec5bca8aacd37104c827d1897c3f6cd0650.exe GestLoader.exe PID 912 wrote to memory of 1856 912 GestLoader.exe netsh.exe PID 912 wrote to memory of 1856 912 GestLoader.exe netsh.exe PID 912 wrote to memory of 1856 912 GestLoader.exe netsh.exe PID 912 wrote to memory of 1856 912 GestLoader.exe netsh.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\8f7070b244f6d3559a7e5d4bb8682ec5bca8aacd37104c827d1897c3f6cd0650.exe"C:\Users\Admin\AppData\Local\Temp\8f7070b244f6d3559a7e5d4bb8682ec5bca8aacd37104c827d1897c3f6cd0650.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\GestLoader.exe"C:\Users\Admin\AppData\Local\Temp\GestLoader.exe"2⤵
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- Drops autorun.inf file
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\GestLoader.exe" "GestLoader.exe" ENABLE3⤵
- Modifies Windows Firewall
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\GestLoader.exeFilesize
36KB
MD5575c1492c69a86293f944a8cc528ce78
SHA1656d2ea8cd84cf5a867c1ca0561bc9625710d3ac
SHA2568f7070b244f6d3559a7e5d4bb8682ec5bca8aacd37104c827d1897c3f6cd0650
SHA5128d8cd00a2f994c2442297a57f27218281a3e80a3d33730e554d73c7321321436149a580da696fa2991c6328782cc0c953935f9f96766c76bb2288ec654a53dc3
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C:\Users\Admin\AppData\Local\Temp\GestLoader.exeFilesize
36KB
MD5575c1492c69a86293f944a8cc528ce78
SHA1656d2ea8cd84cf5a867c1ca0561bc9625710d3ac
SHA2568f7070b244f6d3559a7e5d4bb8682ec5bca8aacd37104c827d1897c3f6cd0650
SHA5128d8cd00a2f994c2442297a57f27218281a3e80a3d33730e554d73c7321321436149a580da696fa2991c6328782cc0c953935f9f96766c76bb2288ec654a53dc3
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C:\Users\Admin\AppData\Local\Temp\GestLoader.exeFilesize
36KB
MD5575c1492c69a86293f944a8cc528ce78
SHA1656d2ea8cd84cf5a867c1ca0561bc9625710d3ac
SHA2568f7070b244f6d3559a7e5d4bb8682ec5bca8aacd37104c827d1897c3f6cd0650
SHA5128d8cd00a2f994c2442297a57f27218281a3e80a3d33730e554d73c7321321436149a580da696fa2991c6328782cc0c953935f9f96766c76bb2288ec654a53dc3
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\Users\Admin\AppData\Local\Temp\GestLoader.exeFilesize
36KB
MD5575c1492c69a86293f944a8cc528ce78
SHA1656d2ea8cd84cf5a867c1ca0561bc9625710d3ac
SHA2568f7070b244f6d3559a7e5d4bb8682ec5bca8aacd37104c827d1897c3f6cd0650
SHA5128d8cd00a2f994c2442297a57f27218281a3e80a3d33730e554d73c7321321436149a580da696fa2991c6328782cc0c953935f9f96766c76bb2288ec654a53dc3
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\Users\Admin\AppData\Local\Temp\GestLoader.exeFilesize
36KB
MD5575c1492c69a86293f944a8cc528ce78
SHA1656d2ea8cd84cf5a867c1ca0561bc9625710d3ac
SHA2568f7070b244f6d3559a7e5d4bb8682ec5bca8aacd37104c827d1897c3f6cd0650
SHA5128d8cd00a2f994c2442297a57f27218281a3e80a3d33730e554d73c7321321436149a580da696fa2991c6328782cc0c953935f9f96766c76bb2288ec654a53dc3
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memory/912-65-0x0000000000A60000-0x0000000000AA0000-memory.dmpFilesize
256KB
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memory/1160-54-0x0000000000130000-0x0000000000170000-memory.dmpFilesize
256KB