Analysis
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max time kernel
151s -
max time network
46s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
03-10-2022 01:01
Behavioral task
behavioral1
Sample
85395f149f761f4e48f587914ba92228a560c6d58aba7992ed85bbf6f912191e.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
85395f149f761f4e48f587914ba92228a560c6d58aba7992ed85bbf6f912191e.exe
Resource
win10v2004-20220812-en
General
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Target
85395f149f761f4e48f587914ba92228a560c6d58aba7992ed85bbf6f912191e.exe
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Size
23KB
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MD5
6e1530fb60361275acac36bc5022fdd0
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SHA1
98f5a23e846dd22f2952ec1126506fe77b465501
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SHA256
85395f149f761f4e48f587914ba92228a560c6d58aba7992ed85bbf6f912191e
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SHA512
d5b1172946c11350c57a96d51f029371ce151a6643747eb7916dcbc9f2d21553cd530b6db6beb9c61e8a30ba68db6b04c00a5be4daca7f739883d1d707c3dc2c
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SSDEEP
384:xNpMKFYuEEhERvoBG16Xuy0MHNw6Tg1Y+75JTFmRvR6JZlbw8hqIusZzZwX:xNCW4V6+yDRpcnuF
Malware Config
Extracted
njrat
0.7d
HacKed
majdhacker9.ddns.net:1177
5722c1e40b696165d35fc7860f661829
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reg_key
5722c1e40b696165d35fc7860f661829
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splitter
|'|'|
Signatures
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Executes dropped EXE 1 IoCs
Processes:
server.exepid process 1612 server.exe -
Modifies Windows Firewall 1 TTPs 1 IoCs
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Drops startup file 2 IoCs
Processes:
server.exedescription ioc process File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\5722c1e40b696165d35fc7860f661829.exe server.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\5722c1e40b696165d35fc7860f661829.exe server.exe -
Loads dropped DLL 1 IoCs
Processes:
85395f149f761f4e48f587914ba92228a560c6d58aba7992ed85bbf6f912191e.exepid process 2000 85395f149f761f4e48f587914ba92228a560c6d58aba7992ed85bbf6f912191e.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
server.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\5722c1e40b696165d35fc7860f661829 = "\"C:\\Users\\Admin\\AppData\\Roaming\\server.exe\" .." server.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\5722c1e40b696165d35fc7860f661829 = "\"C:\\Users\\Admin\\AppData\\Roaming\\server.exe\" .." server.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious use of AdjustPrivilegeToken 19 IoCs
Processes:
server.exedescription pid process Token: SeDebugPrivilege 1612 server.exe Token: 33 1612 server.exe Token: SeIncBasePriorityPrivilege 1612 server.exe Token: 33 1612 server.exe Token: SeIncBasePriorityPrivilege 1612 server.exe Token: 33 1612 server.exe Token: SeIncBasePriorityPrivilege 1612 server.exe Token: 33 1612 server.exe Token: SeIncBasePriorityPrivilege 1612 server.exe Token: 33 1612 server.exe Token: SeIncBasePriorityPrivilege 1612 server.exe Token: 33 1612 server.exe Token: SeIncBasePriorityPrivilege 1612 server.exe Token: 33 1612 server.exe Token: SeIncBasePriorityPrivilege 1612 server.exe Token: 33 1612 server.exe Token: SeIncBasePriorityPrivilege 1612 server.exe Token: 33 1612 server.exe Token: SeIncBasePriorityPrivilege 1612 server.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
85395f149f761f4e48f587914ba92228a560c6d58aba7992ed85bbf6f912191e.exeserver.exedescription pid process target process PID 2000 wrote to memory of 1612 2000 85395f149f761f4e48f587914ba92228a560c6d58aba7992ed85bbf6f912191e.exe server.exe PID 2000 wrote to memory of 1612 2000 85395f149f761f4e48f587914ba92228a560c6d58aba7992ed85bbf6f912191e.exe server.exe PID 2000 wrote to memory of 1612 2000 85395f149f761f4e48f587914ba92228a560c6d58aba7992ed85bbf6f912191e.exe server.exe PID 2000 wrote to memory of 1612 2000 85395f149f761f4e48f587914ba92228a560c6d58aba7992ed85bbf6f912191e.exe server.exe PID 1612 wrote to memory of 1484 1612 server.exe netsh.exe PID 1612 wrote to memory of 1484 1612 server.exe netsh.exe PID 1612 wrote to memory of 1484 1612 server.exe netsh.exe PID 1612 wrote to memory of 1484 1612 server.exe netsh.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\85395f149f761f4e48f587914ba92228a560c6d58aba7992ed85bbf6f912191e.exe"C:\Users\Admin\AppData\Local\Temp\85395f149f761f4e48f587914ba92228a560c6d58aba7992ed85bbf6f912191e.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\server.exe"C:\Users\Admin\AppData\Roaming\server.exe"2⤵
- Executes dropped EXE
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\server.exe" "server.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\Roaming\server.exeFilesize
23KB
MD56e1530fb60361275acac36bc5022fdd0
SHA198f5a23e846dd22f2952ec1126506fe77b465501
SHA25685395f149f761f4e48f587914ba92228a560c6d58aba7992ed85bbf6f912191e
SHA512d5b1172946c11350c57a96d51f029371ce151a6643747eb7916dcbc9f2d21553cd530b6db6beb9c61e8a30ba68db6b04c00a5be4daca7f739883d1d707c3dc2c
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C:\Users\Admin\AppData\Roaming\server.exeFilesize
23KB
MD56e1530fb60361275acac36bc5022fdd0
SHA198f5a23e846dd22f2952ec1126506fe77b465501
SHA25685395f149f761f4e48f587914ba92228a560c6d58aba7992ed85bbf6f912191e
SHA512d5b1172946c11350c57a96d51f029371ce151a6643747eb7916dcbc9f2d21553cd530b6db6beb9c61e8a30ba68db6b04c00a5be4daca7f739883d1d707c3dc2c
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\Users\Admin\AppData\Roaming\server.exeFilesize
23KB
MD56e1530fb60361275acac36bc5022fdd0
SHA198f5a23e846dd22f2952ec1126506fe77b465501
SHA25685395f149f761f4e48f587914ba92228a560c6d58aba7992ed85bbf6f912191e
SHA512d5b1172946c11350c57a96d51f029371ce151a6643747eb7916dcbc9f2d21553cd530b6db6beb9c61e8a30ba68db6b04c00a5be4daca7f739883d1d707c3dc2c
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memory/1484-63-0x0000000000000000-mapping.dmp
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memory/1612-57-0x0000000000000000-mapping.dmp
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memory/1612-62-0x0000000074840000-0x0000000074DEB000-memory.dmpFilesize
5.7MB
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memory/1612-65-0x0000000074840000-0x0000000074DEB000-memory.dmpFilesize
5.7MB
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memory/2000-54-0x0000000075501000-0x0000000075503000-memory.dmpFilesize
8KB
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memory/2000-55-0x0000000074840000-0x0000000074DEB000-memory.dmpFilesize
5.7MB
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memory/2000-61-0x0000000074840000-0x0000000074DEB000-memory.dmpFilesize
5.7MB