Analysis
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max time kernel
120s -
max time network
96s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
04-01-2025 23:51
Behavioral task
behavioral1
Sample
e3628c6c6461b4df628ab0d7c8977d109d5906aec469ec8d1dec8372c956862aN.exe
Resource
win7-20240903-en
windows7-x64
Behavioral task
behavioral2
Sample
e3628c6c6461b4df628ab0d7c8977d109d5906aec469ec8d1dec8372c956862aN.exe
Resource
win10v2004-20241007-en
windows10-2004-x64
General
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Target
e3628c6c6461b4df628ab0d7c8977d109d5906aec469ec8d1dec8372c956862aN.exe
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Size
93KB
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MD5
943ad62c5ce7252307522fba42ac0ad0
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SHA1
3ab8fe8d2b082f5009f8e735e6cef24f70c81414
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SHA256
e3628c6c6461b4df628ab0d7c8977d109d5906aec469ec8d1dec8372c956862a
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SHA512
d831ac60fd9a62122f7021da8b8c9d9f305cfe9a4a0c08b9b0c6ec930bc22a41ce632c3b58cf3238876fb5d2152ad2ec8a272a6e9fb9145adc410a0416100114
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SSDEEP
1536:xUIs5p8k2HGjTpL5HoTjEwzGi1dDkDEgS:xUgk2HGjtL5IYi1dK9
Malware Config
Signatures
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Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3588 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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation e3628c6c6461b4df628ab0d7c8977d109d5906aec469ec8d1dec8372c956862aN.exe -
Drops startup file 4 IoCs
description ioc Process File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\52b910a105f9b42a0c58d241595617ceWindows Update.exe server.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Microsoft Corporation.exe server.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Microsoft Corporation.exe server.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\52b910a105f9b42a0c58d241595617ceWindows Update.exe server.exe -
Executes dropped EXE 1 IoCs
pid Process 956 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 e3628c6c6461b4df628ab0d7c8977d109d5906aec469ec8d1dec8372c956862aN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language server.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language netsh.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 956 server.exe 956 server.exe 956 server.exe 956 server.exe 956 server.exe 956 server.exe 956 server.exe 956 server.exe 956 server.exe 956 server.exe 956 server.exe 956 server.exe 956 server.exe 956 server.exe 956 server.exe 956 server.exe 956 server.exe 956 server.exe 956 server.exe 956 server.exe 956 server.exe 956 server.exe 956 server.exe 956 server.exe 956 server.exe 956 server.exe 956 server.exe 956 server.exe 956 server.exe 956 server.exe 956 server.exe 956 server.exe 956 server.exe 956 server.exe 956 server.exe 956 server.exe 956 server.exe 956 server.exe 956 server.exe 956 server.exe 956 server.exe 956 server.exe 956 server.exe 956 server.exe 956 server.exe 956 server.exe 956 server.exe 956 server.exe 956 server.exe 956 server.exe 956 server.exe 956 server.exe 956 server.exe 956 server.exe 956 server.exe 956 server.exe 956 server.exe 956 server.exe 956 server.exe 956 server.exe 956 server.exe 956 server.exe 956 server.exe 956 server.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 956 server.exe -
Suspicious use of AdjustPrivilegeToken 29 IoCs
description pid Process Token: SeDebugPrivilege 956 server.exe Token: 33 956 server.exe Token: SeIncBasePriorityPrivilege 956 server.exe Token: 33 956 server.exe Token: SeIncBasePriorityPrivilege 956 server.exe Token: 33 956 server.exe Token: SeIncBasePriorityPrivilege 956 server.exe Token: 33 956 server.exe Token: SeIncBasePriorityPrivilege 956 server.exe Token: 33 956 server.exe Token: SeIncBasePriorityPrivilege 956 server.exe Token: 33 956 server.exe Token: SeIncBasePriorityPrivilege 956 server.exe Token: 33 956 server.exe Token: SeIncBasePriorityPrivilege 956 server.exe Token: 33 956 server.exe Token: SeIncBasePriorityPrivilege 956 server.exe Token: 33 956 server.exe Token: SeIncBasePriorityPrivilege 956 server.exe Token: 33 956 server.exe Token: SeIncBasePriorityPrivilege 956 server.exe Token: 33 956 server.exe Token: SeIncBasePriorityPrivilege 956 server.exe Token: 33 956 server.exe Token: SeIncBasePriorityPrivilege 956 server.exe Token: 33 956 server.exe Token: SeIncBasePriorityPrivilege 956 server.exe Token: 33 956 server.exe Token: SeIncBasePriorityPrivilege 956 server.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4824 wrote to memory of 956 4824 e3628c6c6461b4df628ab0d7c8977d109d5906aec469ec8d1dec8372c956862aN.exe 82 PID 4824 wrote to memory of 956 4824 e3628c6c6461b4df628ab0d7c8977d109d5906aec469ec8d1dec8372c956862aN.exe 82 PID 4824 wrote to memory of 956 4824 e3628c6c6461b4df628ab0d7c8977d109d5906aec469ec8d1dec8372c956862aN.exe 82 PID 956 wrote to memory of 3588 956 server.exe 83 PID 956 wrote to memory of 3588 956 server.exe 83 PID 956 wrote to memory of 3588 956 server.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\e3628c6c6461b4df628ab0d7c8977d109d5906aec469ec8d1dec8372c956862aN.exe"C:\Users\Admin\AppData\Local\Temp\e3628c6c6461b4df628ab0d7c8977d109d5906aec469ec8d1dec8372c956862aN.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4824 -
C:\Users\Admin\AppData\Local\Temp\server.exe"C:\Users\Admin\AppData\Local\Temp\server.exe"2⤵
- Drops startup file
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:956 -
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:3588
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Network
MITRE ATT&CK Enterprise v15
Persistence
Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Privilege Escalation
Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Replay Monitor
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Downloads
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Filesize
93KB
MD5943ad62c5ce7252307522fba42ac0ad0
SHA13ab8fe8d2b082f5009f8e735e6cef24f70c81414
SHA256e3628c6c6461b4df628ab0d7c8977d109d5906aec469ec8d1dec8372c956862a
SHA512d831ac60fd9a62122f7021da8b8c9d9f305cfe9a4a0c08b9b0c6ec930bc22a41ce632c3b58cf3238876fb5d2152ad2ec8a272a6e9fb9145adc410a0416100114
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Filesize
4B
MD5047dda8d29bbbf2b6e1c3f4212189eba
SHA1eb10217bbf887b1ad9b984cb7a559b177e2c762a
SHA256afd43463eba279dc102afa66f3ef7173885c540c02776217638de34e03486125
SHA51284c38a784fa77686de5be91738fffd0371ca667eff0e117c87e8e2d676ef29b7defe21c7bfa83f00ef967d73d3983fb038bd07b93fde963ec5ae10a2f569a822