Analysis
- max time kernel
135s - max time network
104s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system - submitted
18/08/2024, 12:44
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
File.exe
Resource
win7-20240704-en
6 signatures
150 seconds
General
- Target File.exe
- Size 6.2MB
- Sample240818-pygftsteld
- SHA256 e56209567fa12794362b0c68d5f4a14bce9895ec878aa1bfa5cbb73cc93d41d4
- MD5 7062ea74c54013ebf96549cdf599951d
- SHA1 545699b9ceda9f6a14c41b2d8344ced8e30e0b4f
- SHA512 05e87411bed103f2f89c8ef41d6faf2295f8682ad43f3e091697ef65541b9bebd969b810842ff8646b4a75e8fd837887b3dcac28df45f0de59bad4c8dc7ee4b6
- SSDEEP 196608:36cmOe56MPwP275wEPFLhbljK9ZZ2+ihH/9:qX5lwPi51l4Z2+eHV
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- Modifies firewall policy service 3 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\FirewallRules\C:\ = "1" File.exe - Drops file in System32 directory 4 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\GroupPolicy\gpt.ini File.exe File created C:\Windows\System32\GroupPolicy\Machine\Registry.pol File.exe File opened for modification C:\Windows\System32\GroupPolicy\GPT.INI File.exe File opened for modification C:\Windows\System32\GroupPolicy File.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4348 set thread context of 4608 4348 File.exe 87 - Program crash 2 IoCs
pid pid_target Process procid_target 2280 4608 WerFault.exe 87 4260 4608 WerFault.exe 87 - System Location Discovery: System Language Discovery 1 TTPs 2 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 File.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language File.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4348 File.exe - Suspicious use of WriteProcessMemory 10 IoCs
description pid Process procid_target PID 4348 wrote to memory of 4608 4348 File.exe 87 PID 4348 wrote to memory of 4608 4348 File.exe 87 PID 4348 wrote to memory of 4608 4348 File.exe 87 PID 4348 wrote to memory of 4608 4348 File.exe 87 PID 4348 wrote to memory of 4608 4348 File.exe 87 PID 4348 wrote to memory of 4608 4348 File.exe 87 PID 4348 wrote to memory of 4608 4348 File.exe 87 PID 4348 wrote to memory of 4608 4348 File.exe 87 PID 4348 wrote to memory of 4608 4348 File.exe 87 PID 4348 wrote to memory of 4608 4348 File.exe 87
Processes
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C:\Users\Admin\AppData\Local\Temp\File.exe"C:\Users\Admin\AppData\Local\Temp\File.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4348 -
C:\Users\Admin\AppData\Local\Temp\File.exe"C:\Users\Admin\AppData\Local\Temp\File.exe"2⤵
- Modifies firewall policy service
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
PID:4608 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4608 -s 7723⤵
- Program crash
PID:2280
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4608 -s 8883⤵
- Program crash
PID:4260
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc1⤵PID:3948
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum1⤵PID:2708
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4608 -ip 46081⤵PID:4960
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 4608 -ip 46081⤵PID:4576