Analysis
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max time kernel
149s -
max time network
123s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
31-08-2024 19:08
Behavioral task
behavioral1
Sample
1f8682eae15d13bc358d5e7e20795887032f4b533d3b4210bded14448fb4ecc7.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
1f8682eae15d13bc358d5e7e20795887032f4b533d3b4210bded14448fb4ecc7.exe
Resource
win10v2004-20240802-en
General
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Target
1f8682eae15d13bc358d5e7e20795887032f4b533d3b4210bded14448fb4ecc7.exe
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Size
23KB
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MD5
96795f99f9dd2b59b042964004acde86
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SHA1
0838a91ceb2faf90c4dba6a5d3f68963662a3d0e
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SHA256
1f8682eae15d13bc358d5e7e20795887032f4b533d3b4210bded14448fb4ecc7
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SHA512
1bf62161a7c57b70725a8fa744d3eed4a00389b416116519f22de6f5f89c4b6c7e740612e8fba8574c0bf707eb90a6d3e835c6b87d7a9a61414c0d6d7bb881d2
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SSDEEP
384:y+IGwz6+T4IjWZFNwXU0eiNUBdvt6lgT+lLOhXxQmRvR6JZlbw8hqIusZzZME:/wTbC81NgRpcnum
Malware Config
Signatures
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Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4460 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-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation 1f8682eae15d13bc358d5e7e20795887032f4b533d3b4210bded14448fb4ecc7.exe -
Executes dropped EXE 1 IoCs
pid Process 3360 server.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ffeaa9a52c9123bb4dd974006293187b = "\"C:\\Users\\Admin\\AppData\\Roaming\\server.exe\" .." server.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ffeaa9a52c9123bb4dd974006293187b = "\"C:\\Users\\Admin\\AppData\\Roaming\\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 1f8682eae15d13bc358d5e7e20795887032f4b533d3b4210bded14448fb4ecc7.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 3360 server.exe Token: 33 3360 server.exe Token: SeIncBasePriorityPrivilege 3360 server.exe Token: 33 3360 server.exe Token: SeIncBasePriorityPrivilege 3360 server.exe Token: 33 3360 server.exe Token: SeIncBasePriorityPrivilege 3360 server.exe Token: 33 3360 server.exe Token: SeIncBasePriorityPrivilege 3360 server.exe Token: 33 3360 server.exe Token: SeIncBasePriorityPrivilege 3360 server.exe Token: 33 3360 server.exe Token: SeIncBasePriorityPrivilege 3360 server.exe Token: 33 3360 server.exe Token: SeIncBasePriorityPrivilege 3360 server.exe Token: 33 3360 server.exe Token: SeIncBasePriorityPrivilege 3360 server.exe Token: 33 3360 server.exe Token: SeIncBasePriorityPrivilege 3360 server.exe Token: 33 3360 server.exe Token: SeIncBasePriorityPrivilege 3360 server.exe Token: 33 3360 server.exe Token: SeIncBasePriorityPrivilege 3360 server.exe Token: 33 3360 server.exe Token: SeIncBasePriorityPrivilege 3360 server.exe Token: 33 3360 server.exe Token: SeIncBasePriorityPrivilege 3360 server.exe Token: 33 3360 server.exe Token: SeIncBasePriorityPrivilege 3360 server.exe Token: 33 3360 server.exe Token: SeIncBasePriorityPrivilege 3360 server.exe Token: 33 3360 server.exe Token: SeIncBasePriorityPrivilege 3360 server.exe Token: 33 3360 server.exe Token: SeIncBasePriorityPrivilege 3360 server.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1468 wrote to memory of 3360 1468 1f8682eae15d13bc358d5e7e20795887032f4b533d3b4210bded14448fb4ecc7.exe 90 PID 1468 wrote to memory of 3360 1468 1f8682eae15d13bc358d5e7e20795887032f4b533d3b4210bded14448fb4ecc7.exe 90 PID 1468 wrote to memory of 3360 1468 1f8682eae15d13bc358d5e7e20795887032f4b533d3b4210bded14448fb4ecc7.exe 90 PID 3360 wrote to memory of 4460 3360 server.exe 94 PID 3360 wrote to memory of 4460 3360 server.exe 94 PID 3360 wrote to memory of 4460 3360 server.exe 94
Processes
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C:\Users\Admin\AppData\Local\Temp\1f8682eae15d13bc358d5e7e20795887032f4b533d3b4210bded14448fb4ecc7.exe"C:\Users\Admin\AppData\Local\Temp\1f8682eae15d13bc358d5e7e20795887032f4b533d3b4210bded14448fb4ecc7.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1468 -
C:\Users\Admin\AppData\Roaming\server.exe"C:\Users\Admin\AppData\Roaming\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:3360 -
C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\server.exe" "server.exe" ENABLE3⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
PID:4460
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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
MD596795f99f9dd2b59b042964004acde86
SHA10838a91ceb2faf90c4dba6a5d3f68963662a3d0e
SHA2561f8682eae15d13bc358d5e7e20795887032f4b533d3b4210bded14448fb4ecc7
SHA5121bf62161a7c57b70725a8fa744d3eed4a00389b416116519f22de6f5f89c4b6c7e740612e8fba8574c0bf707eb90a6d3e835c6b87d7a9a61414c0d6d7bb881d2