Analysis
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max time kernel
52s -
max time network
56s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
06-10-2024 19:38
Behavioral task
behavioral1
Sample
35de7fceb13baa1d78b2480c70715c3643a6b20d8d40debee3bb57a208e2797e.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
35de7fceb13baa1d78b2480c70715c3643a6b20d8d40debee3bb57a208e2797e.exe
Resource
win10v2004-20240802-en
General
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Target
35de7fceb13baa1d78b2480c70715c3643a6b20d8d40debee3bb57a208e2797e.exe
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Size
50KB
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MD5
48b54653b2dc586063e746379de09f8a
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SHA1
99f14a1ecbe248af25b2a0f710614a1948469978
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SHA256
35de7fceb13baa1d78b2480c70715c3643a6b20d8d40debee3bb57a208e2797e
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SHA512
39df43ccd72d0ca11e312e6e3ef973ae56f9938d1163ac4e6839e411d4617d7f0887270a85710f9b62887f475b0497eeacc8eeef2d522f26c445fed1d1ceef3b
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SSDEEP
768:ifQUIH5hyt4IBNXT6EOad1yPMXZwpJbb2zxxO5oaqHhisfvaMQmIDUu0tiTejWSh:OQRHg3hOoXkKZisfQVkbjWr
Malware Config
Signatures
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Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3784 netsh.exe -
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation 35de7fceb13baa1d78b2480c70715c3643a6b20d8d40debee3bb57a208e2797e.exe Key value queried \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation CLIENT.EXE -
Executes dropped EXE 2 IoCs
pid Process 3668 CLIENT.EXE 4708 WindowsServices.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 4 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 WindowsServices.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language netsh.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 35de7fceb13baa1d78b2480c70715c3643a6b20d8d40debee3bb57a208e2797e.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language CLIENT.EXE -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ 35de7fceb13baa1d78b2480c70715c3643a6b20d8d40debee3bb57a208e2797e.exe -
Suspicious use of AdjustPrivilegeToken 11 IoCs
description pid Process Token: SeDebugPrivilege 4708 WindowsServices.exe Token: 33 4708 WindowsServices.exe Token: SeIncBasePriorityPrivilege 4708 WindowsServices.exe Token: 33 4708 WindowsServices.exe Token: SeIncBasePriorityPrivilege 4708 WindowsServices.exe Token: 33 4708 WindowsServices.exe Token: SeIncBasePriorityPrivilege 4708 WindowsServices.exe Token: 33 4708 WindowsServices.exe Token: SeIncBasePriorityPrivilege 4708 WindowsServices.exe Token: 33 4708 WindowsServices.exe Token: SeIncBasePriorityPrivilege 4708 WindowsServices.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 2900 wrote to memory of 3668 2900 35de7fceb13baa1d78b2480c70715c3643a6b20d8d40debee3bb57a208e2797e.exe 82 PID 2900 wrote to memory of 3668 2900 35de7fceb13baa1d78b2480c70715c3643a6b20d8d40debee3bb57a208e2797e.exe 82 PID 2900 wrote to memory of 3668 2900 35de7fceb13baa1d78b2480c70715c3643a6b20d8d40debee3bb57a208e2797e.exe 82 PID 3668 wrote to memory of 4708 3668 CLIENT.EXE 83 PID 3668 wrote to memory of 4708 3668 CLIENT.EXE 83 PID 3668 wrote to memory of 4708 3668 CLIENT.EXE 83 PID 4708 wrote to memory of 3784 4708 WindowsServices.exe 84 PID 4708 wrote to memory of 3784 4708 WindowsServices.exe 84 PID 4708 wrote to memory of 3784 4708 WindowsServices.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\35de7fceb13baa1d78b2480c70715c3643a6b20d8d40debee3bb57a208e2797e.exe"C:\Users\Admin\AppData\Local\Temp\35de7fceb13baa1d78b2480c70715c3643a6b20d8d40debee3bb57a208e2797e.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2900 -
C:\Users\Admin\AppData\Roaming\CLIENT.EXE"C:\Users\Admin\AppData\Roaming\CLIENT.EXE"2⤵
- Checks computer location settings
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3668 -
C:\Users\Admin\AppData\Local\Temp\WindowsServices.exe"C:\Users\Admin\AppData\Local\Temp\WindowsServices.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4708 -
C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\WindowsServices.exe" "WindowsServices.exe" ENABLE4⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
PID:3784
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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
31KB
MD573ddd19456abb03bacf089d9bc17bf17
SHA103e128f72e884e1ff40748326e295562bad6592f
SHA2564b5f724c675dedae912f8e4ae74589a5daea1d6b720901674322e9e537d4366a
SHA51234e1debdfdbfa6c4c7a81f0c6788bcff4d2b4e00391d1063eb8705391b0bc720103ea9e2a90e30d1bd2747c661e3fcb49ec1e66cfe12cee6064fe301db34101f
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Filesize
1KB
MD5eccbaff7fcf2c63605625d3a98f78cae
SHA165db59676d3916a8f6c5298b1ca4c97642a8563d
SHA2567ebbbbb985df5f8a1b9e123b095b2a97068ad266b943ca206f1ae34e06533be4
SHA5124fb5b2a0974dbb9f20f69dd381a84bb7aeae79c65c70c64a76050350f2ae2e309d9ba597238a4e200b470472e5e4cf98c7827796abe0f0ca755f254e060c56b9