Analysis
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max time kernel
119s -
max time network
116s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
02-09-2024 22:57
Behavioral task
behavioral1
Sample
22c414717d5b78de8a7b68c26c1bf2e0N.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
22c414717d5b78de8a7b68c26c1bf2e0N.exe
Resource
win10v2004-20240802-en
General
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Target
22c414717d5b78de8a7b68c26c1bf2e0N.exe
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Size
23KB
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MD5
22c414717d5b78de8a7b68c26c1bf2e0
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SHA1
9c652c7104da124b13eb0f4911950150af0ba80e
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SHA256
efc73f5afdfe6773572c4c4fa2e2ac2936af2296b54726e3aa140f1f54b3e612
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SHA512
2171efd410fde033180b980fc50edcdf01405e1b76f8a6f2b8f3974367af3e9571937a4bb86d9d311d356441e5def8c5c419959c67e05328cf65a065ac0cc7bb
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SSDEEP
384:/oWtkEwn65rgjAsGipk55D16xgXakhbZD0mRvR6JZlbw8hqIusZzZIH:Y7O89p2rRpcnuJ
Malware Config
Signatures
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Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4188 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-1-5-21-4182098368-2521458979-3782681353-1000\Control Panel\International\Geo\Nation 22c414717d5b78de8a7b68c26c1bf2e0N.exe -
Executes dropped EXE 1 IoCs
pid Process 3040 server.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\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 22c414717d5b78de8a7b68c26c1bf2e0N.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 27 IoCs
description pid Process Token: SeDebugPrivilege 3040 server.exe Token: 33 3040 server.exe Token: SeIncBasePriorityPrivilege 3040 server.exe Token: 33 3040 server.exe Token: SeIncBasePriorityPrivilege 3040 server.exe Token: 33 3040 server.exe Token: SeIncBasePriorityPrivilege 3040 server.exe Token: 33 3040 server.exe Token: SeIncBasePriorityPrivilege 3040 server.exe Token: 33 3040 server.exe Token: SeIncBasePriorityPrivilege 3040 server.exe Token: 33 3040 server.exe Token: SeIncBasePriorityPrivilege 3040 server.exe Token: 33 3040 server.exe Token: SeIncBasePriorityPrivilege 3040 server.exe Token: 33 3040 server.exe Token: SeIncBasePriorityPrivilege 3040 server.exe Token: 33 3040 server.exe Token: SeIncBasePriorityPrivilege 3040 server.exe Token: 33 3040 server.exe Token: SeIncBasePriorityPrivilege 3040 server.exe Token: 33 3040 server.exe Token: SeIncBasePriorityPrivilege 3040 server.exe Token: 33 3040 server.exe Token: SeIncBasePriorityPrivilege 3040 server.exe Token: 33 3040 server.exe Token: SeIncBasePriorityPrivilege 3040 server.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1524 wrote to memory of 3040 1524 22c414717d5b78de8a7b68c26c1bf2e0N.exe 94 PID 1524 wrote to memory of 3040 1524 22c414717d5b78de8a7b68c26c1bf2e0N.exe 94 PID 1524 wrote to memory of 3040 1524 22c414717d5b78de8a7b68c26c1bf2e0N.exe 94 PID 3040 wrote to memory of 4188 3040 server.exe 97 PID 3040 wrote to memory of 4188 3040 server.exe 97 PID 3040 wrote to memory of 4188 3040 server.exe 97
Processes
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C:\Users\Admin\AppData\Local\Temp\22c414717d5b78de8a7b68c26c1bf2e0N.exe"C:\Users\Admin\AppData\Local\Temp\22c414717d5b78de8a7b68c26c1bf2e0N.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1524 -
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:3040 -
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:4188
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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
MD522c414717d5b78de8a7b68c26c1bf2e0
SHA19c652c7104da124b13eb0f4911950150af0ba80e
SHA256efc73f5afdfe6773572c4c4fa2e2ac2936af2296b54726e3aa140f1f54b3e612
SHA5122171efd410fde033180b980fc50edcdf01405e1b76f8a6f2b8f3974367af3e9571937a4bb86d9d311d356441e5def8c5c419959c67e05328cf65a065ac0cc7bb