Analysis
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max time kernel
149s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
23-10-2024 03:00
Behavioral task
behavioral1
Sample
e351d3690cf0fb32b3535ff1ccb284893f95cc309a23859a7cbe0436856ea7f2N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
e351d3690cf0fb32b3535ff1ccb284893f95cc309a23859a7cbe0436856ea7f2N.exe
Resource
win10v2004-20241007-en
General
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Target
e351d3690cf0fb32b3535ff1ccb284893f95cc309a23859a7cbe0436856ea7f2N.exe
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Size
23KB
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MD5
f68c20330fdee2070e69d93398bb7ad0
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SHA1
487d39ca68ab8cb04fffd96b4418a7d091834592
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SHA256
e351d3690cf0fb32b3535ff1ccb284893f95cc309a23859a7cbe0436856ea7f2
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SHA512
081cc86e1970e14bc70217d1bc02a18536551d0df703dc0e8fa5fda226d70b9a9fdab2ea07e4a21cac3edd971914e15f85249cd3c789d36aa9842d0c7ab01602
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SSDEEP
384:IoWtkEwn65rgjAsGipk55D16xgXakhbZD0mRvR6JZlbw8hqIusZzZIp:37O89p2rRpcnuD
Malware Config
Signatures
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Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 728 netsh.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation e351d3690cf0fb32b3535ff1ccb284893f95cc309a23859a7cbe0436856ea7f2N.exe -
Executes dropped EXE 1 IoCs
pid Process 2428 server.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\7657c14284185fbd3fb108b43c7467ba = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .." server.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\7657c14284185fbd3fb108b43c7467ba = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .." server.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\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 -
System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language e351d3690cf0fb32b3535ff1ccb284893f95cc309a23859a7cbe0436856ea7f2N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language server.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language netsh.exe -
Suspicious use of AdjustPrivilegeToken 35 IoCs
description pid Process Token: SeDebugPrivilege 2428 server.exe Token: 33 2428 server.exe Token: SeIncBasePriorityPrivilege 2428 server.exe Token: 33 2428 server.exe Token: SeIncBasePriorityPrivilege 2428 server.exe Token: 33 2428 server.exe Token: SeIncBasePriorityPrivilege 2428 server.exe Token: 33 2428 server.exe Token: SeIncBasePriorityPrivilege 2428 server.exe Token: 33 2428 server.exe Token: SeIncBasePriorityPrivilege 2428 server.exe Token: 33 2428 server.exe Token: SeIncBasePriorityPrivilege 2428 server.exe Token: 33 2428 server.exe Token: SeIncBasePriorityPrivilege 2428 server.exe Token: 33 2428 server.exe Token: SeIncBasePriorityPrivilege 2428 server.exe Token: 33 2428 server.exe Token: SeIncBasePriorityPrivilege 2428 server.exe Token: 33 2428 server.exe Token: SeIncBasePriorityPrivilege 2428 server.exe Token: 33 2428 server.exe Token: SeIncBasePriorityPrivilege 2428 server.exe Token: 33 2428 server.exe Token: SeIncBasePriorityPrivilege 2428 server.exe Token: 33 2428 server.exe Token: SeIncBasePriorityPrivilege 2428 server.exe Token: 33 2428 server.exe Token: SeIncBasePriorityPrivilege 2428 server.exe Token: 33 2428 server.exe Token: SeIncBasePriorityPrivilege 2428 server.exe Token: 33 2428 server.exe Token: SeIncBasePriorityPrivilege 2428 server.exe Token: 33 2428 server.exe Token: SeIncBasePriorityPrivilege 2428 server.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4700 wrote to memory of 2428 4700 e351d3690cf0fb32b3535ff1ccb284893f95cc309a23859a7cbe0436856ea7f2N.exe 93 PID 4700 wrote to memory of 2428 4700 e351d3690cf0fb32b3535ff1ccb284893f95cc309a23859a7cbe0436856ea7f2N.exe 93 PID 4700 wrote to memory of 2428 4700 e351d3690cf0fb32b3535ff1ccb284893f95cc309a23859a7cbe0436856ea7f2N.exe 93 PID 2428 wrote to memory of 728 2428 server.exe 100 PID 2428 wrote to memory of 728 2428 server.exe 100 PID 2428 wrote to memory of 728 2428 server.exe 100
Processes
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C:\Users\Admin\AppData\Local\Temp\e351d3690cf0fb32b3535ff1ccb284893f95cc309a23859a7cbe0436856ea7f2N.exe"C:\Users\Admin\AppData\Local\Temp\e351d3690cf0fb32b3535ff1ccb284893f95cc309a23859a7cbe0436856ea7f2N.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4700 -
C:\Users\Admin\AppData\Local\Temp\server.exe"C:\Users\Admin\AppData\Local\Temp\server.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2428 -
C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE3⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
PID:728
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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
1Defense Evasion
Impair Defenses
1Disable or Modify System Firewall
1Modify Registry
1Replay Monitor
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Downloads
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Filesize
23KB
MD5f68c20330fdee2070e69d93398bb7ad0
SHA1487d39ca68ab8cb04fffd96b4418a7d091834592
SHA256e351d3690cf0fb32b3535ff1ccb284893f95cc309a23859a7cbe0436856ea7f2
SHA512081cc86e1970e14bc70217d1bc02a18536551d0df703dc0e8fa5fda226d70b9a9fdab2ea07e4a21cac3edd971914e15f85249cd3c789d36aa9842d0c7ab01602