Analysis
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max time kernel
149s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
16-10-2024 08:23
Behavioral task
behavioral1
Sample
7f6be59e682bff9cccbcd92b8bbb9881c562461a616ef2d7e57a35dbc58a75cfN.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
7f6be59e682bff9cccbcd92b8bbb9881c562461a616ef2d7e57a35dbc58a75cfN.exe
Resource
win10v2004-20241007-en
General
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Target
7f6be59e682bff9cccbcd92b8bbb9881c562461a616ef2d7e57a35dbc58a75cfN.exe
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Size
23KB
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MD5
fc01a29bee55bf58758945cddf56dad0
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SHA1
54fd66e7eb8b0b1733dec3f9d32b770974bd4f33
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SHA256
7f6be59e682bff9cccbcd92b8bbb9881c562461a616ef2d7e57a35dbc58a75cf
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SHA512
608d6e12804491e8bd9b3d14ca91cef413c537571327c1d5dbab89a81661b2ca2ed5a3da0aaf2d425dae899f3bbf1b022b6446659f3698c225fb0afff5641de9
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SSDEEP
384:KGwz6+T4IjWZFNwXU0eiNUBdvt6lgT+lLOhXxQmRvR6JZlbw8hqIusZzZu6+:uTbC81NgRpcnu1F
Malware Config
Signatures
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Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4088 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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation 7f6be59e682bff9cccbcd92b8bbb9881c562461a616ef2d7e57a35dbc58a75cfN.exe -
Executes dropped EXE 1 IoCs
pid Process 4276 server.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\7e84dfb228de4058cabee7d368d90962 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .." server.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\7e84dfb228de4058cabee7d368d90962 = "\"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 7f6be59e682bff9cccbcd92b8bbb9881c562461a616ef2d7e57a35dbc58a75cfN.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 4276 server.exe Token: 33 4276 server.exe Token: SeIncBasePriorityPrivilege 4276 server.exe Token: 33 4276 server.exe Token: SeIncBasePriorityPrivilege 4276 server.exe Token: 33 4276 server.exe Token: SeIncBasePriorityPrivilege 4276 server.exe Token: 33 4276 server.exe Token: SeIncBasePriorityPrivilege 4276 server.exe Token: 33 4276 server.exe Token: SeIncBasePriorityPrivilege 4276 server.exe Token: 33 4276 server.exe Token: SeIncBasePriorityPrivilege 4276 server.exe Token: 33 4276 server.exe Token: SeIncBasePriorityPrivilege 4276 server.exe Token: 33 4276 server.exe Token: SeIncBasePriorityPrivilege 4276 server.exe Token: 33 4276 server.exe Token: SeIncBasePriorityPrivilege 4276 server.exe Token: 33 4276 server.exe Token: SeIncBasePriorityPrivilege 4276 server.exe Token: 33 4276 server.exe Token: SeIncBasePriorityPrivilege 4276 server.exe Token: 33 4276 server.exe Token: SeIncBasePriorityPrivilege 4276 server.exe Token: 33 4276 server.exe Token: SeIncBasePriorityPrivilege 4276 server.exe Token: 33 4276 server.exe Token: SeIncBasePriorityPrivilege 4276 server.exe Token: 33 4276 server.exe Token: SeIncBasePriorityPrivilege 4276 server.exe Token: 33 4276 server.exe Token: SeIncBasePriorityPrivilege 4276 server.exe Token: 33 4276 server.exe Token: SeIncBasePriorityPrivilege 4276 server.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2292 wrote to memory of 4276 2292 7f6be59e682bff9cccbcd92b8bbb9881c562461a616ef2d7e57a35dbc58a75cfN.exe 94 PID 2292 wrote to memory of 4276 2292 7f6be59e682bff9cccbcd92b8bbb9881c562461a616ef2d7e57a35dbc58a75cfN.exe 94 PID 2292 wrote to memory of 4276 2292 7f6be59e682bff9cccbcd92b8bbb9881c562461a616ef2d7e57a35dbc58a75cfN.exe 94 PID 4276 wrote to memory of 4088 4276 server.exe 99 PID 4276 wrote to memory of 4088 4276 server.exe 99 PID 4276 wrote to memory of 4088 4276 server.exe 99
Processes
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C:\Users\Admin\AppData\Local\Temp\7f6be59e682bff9cccbcd92b8bbb9881c562461a616ef2d7e57a35dbc58a75cfN.exe"C:\Users\Admin\AppData\Local\Temp\7f6be59e682bff9cccbcd92b8bbb9881c562461a616ef2d7e57a35dbc58a75cfN.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2292 -
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:4276 -
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:4088
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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
MD5fc01a29bee55bf58758945cddf56dad0
SHA154fd66e7eb8b0b1733dec3f9d32b770974bd4f33
SHA2567f6be59e682bff9cccbcd92b8bbb9881c562461a616ef2d7e57a35dbc58a75cf
SHA512608d6e12804491e8bd9b3d14ca91cef413c537571327c1d5dbab89a81661b2ca2ed5a3da0aaf2d425dae899f3bbf1b022b6446659f3698c225fb0afff5641de9