Analysis
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max time kernel
150s -
max time network
152s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
21-06-2022 13:55
Behavioral task
behavioral1
Sample
Server.exe
Resource
win7-20220414-en
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
Server.exe
Resource
win10v2004-20220414-en
windows10-2004_x64
0 signatures
0 seconds
General
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Target
Server.exe
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Size
37KB
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MD5
f09a20fdffb51a09759ef49bad16573e
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SHA1
a435202e700dadf18f2055697f01e4c13287f724
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SHA256
107435bf08485e16d781f4bb0e012cc23a3b1573ea508212d9c0ae21d5e2537e
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SHA512
1c0f8480d6d9fd27eebf2ac8c60befe9fafadff466f9d17bfb268a3fcf652ffb89aacb0077e300be1562cd5046155745c499945c3da80c1b7f5e0bf88cc23ae8
Score
8/10
Malware Config
Signatures
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Modifies Windows Firewall 1 TTPs 1 IoCs
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Drops startup file 2 IoCs
Processes:
Server.exedescription ioc process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\8d2ae8f00af88e22d2e1fbf05a792210.exe Server.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\8d2ae8f00af88e22d2e1fbf05a792210.exe Server.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
Server.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows\CurrentVersion\Run\8d2ae8f00af88e22d2e1fbf05a792210 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Server.exe\" .." Server.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\8d2ae8f00af88e22d2e1fbf05a792210 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Server.exe\" .." Server.exe -
Suspicious use of AdjustPrivilegeToken 21 IoCs
Processes:
Server.exedescription pid process Token: SeDebugPrivilege 1696 Server.exe Token: 33 1696 Server.exe Token: SeIncBasePriorityPrivilege 1696 Server.exe Token: 33 1696 Server.exe Token: SeIncBasePriorityPrivilege 1696 Server.exe Token: 33 1696 Server.exe Token: SeIncBasePriorityPrivilege 1696 Server.exe Token: 33 1696 Server.exe Token: SeIncBasePriorityPrivilege 1696 Server.exe Token: 33 1696 Server.exe Token: SeIncBasePriorityPrivilege 1696 Server.exe Token: 33 1696 Server.exe Token: SeIncBasePriorityPrivilege 1696 Server.exe Token: 33 1696 Server.exe Token: SeIncBasePriorityPrivilege 1696 Server.exe Token: 33 1696 Server.exe Token: SeIncBasePriorityPrivilege 1696 Server.exe Token: 33 1696 Server.exe Token: SeIncBasePriorityPrivilege 1696 Server.exe Token: 33 1696 Server.exe Token: SeIncBasePriorityPrivilege 1696 Server.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
Server.exedescription pid process target process PID 1696 wrote to memory of 1544 1696 Server.exe netsh.exe PID 1696 wrote to memory of 1544 1696 Server.exe netsh.exe PID 1696 wrote to memory of 1544 1696 Server.exe netsh.exe PID 1696 wrote to memory of 1544 1696 Server.exe netsh.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Server.exe"C:\Users\Admin\AppData\Local\Temp\Server.exe"1⤵
- 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\Local\Temp\Server.exe" "Server.exe" ENABLE2⤵
- Modifies Windows Firewall
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/1544-56-0x0000000000000000-mapping.dmp
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memory/1696-54-0x0000000075371000-0x0000000075373000-memory.dmpFilesize
8KB
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memory/1696-55-0x0000000073E60000-0x000000007440B000-memory.dmpFilesize
5.7MB
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memory/1696-58-0x0000000073E60000-0x000000007440B000-memory.dmpFilesize
5.7MB