Analysis
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max time kernel
120s -
max time network
138s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
12-09-2024 01:16
Static task
static1
Behavioral task
behavioral1
Sample
05d5d2f7e1270d38d47870c349d22a7e02c9682ba123b1b5e8ae1aa4e3554087.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
05d5d2f7e1270d38d47870c349d22a7e02c9682ba123b1b5e8ae1aa4e3554087.exe
Resource
win10v2004-20240802-en
General
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Target
05d5d2f7e1270d38d47870c349d22a7e02c9682ba123b1b5e8ae1aa4e3554087.exe
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Size
283KB
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MD5
e1001c8649ac77faeb446d8ff91f50d2
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SHA1
c2532c7b108ac61ca439cfd0a7992b26c89dc34b
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SHA256
05d5d2f7e1270d38d47870c349d22a7e02c9682ba123b1b5e8ae1aa4e3554087
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SHA512
a55bfa7eafca3306e51bd0e1100e46ea407f4451332fcce2772788a25e77d9b968a2ffc934cc05fc9117a1ab8ddade1f15e61cdd35341ee8d977721bb4fb178f
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SSDEEP
6144:ZORZ5iWXTuglvdAAOFwTE6ybVykLN0C+gpQzmjoqPI1o7JFVn/DbyH0EO:ZQZ5iWZxOeTiVMCxQSjohqtF1yUEO
Malware Config
Extracted
vidar
http://147.45.126.10:80
https://t.me/edm0d
https://steamcommunity.com/profiles/76561199768374681
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user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36 OPR/110.0.0.0
Signatures
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Detect Vidar Stealer 5 IoCs
resource yara_rule behavioral2/memory/3608-7-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/3608-8-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/3608-3-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/3608-13-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/3608-14-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 -
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-1-5-21-2392887640-1187051047-2909758433-1000\Control Panel\International\Geo\Nation RegAsm.exe -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1728 set thread context of 3608 1728 05d5d2f7e1270d38d47870c349d22a7e02c9682ba123b1b5e8ae1aa4e3554087.exe 87 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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 05d5d2f7e1270d38d47870c349d22a7e02c9682ba123b1b5e8ae1aa4e3554087.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegAsm.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language timeout.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 RegAsm.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString RegAsm.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 4004 timeout.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 3608 RegAsm.exe 3608 RegAsm.exe 3608 RegAsm.exe 3608 RegAsm.exe 3608 RegAsm.exe 3608 RegAsm.exe -
Suspicious use of WriteProcessMemory 25 IoCs
description pid Process procid_target PID 1728 wrote to memory of 3924 1728 05d5d2f7e1270d38d47870c349d22a7e02c9682ba123b1b5e8ae1aa4e3554087.exe 84 PID 1728 wrote to memory of 3924 1728 05d5d2f7e1270d38d47870c349d22a7e02c9682ba123b1b5e8ae1aa4e3554087.exe 84 PID 1728 wrote to memory of 3924 1728 05d5d2f7e1270d38d47870c349d22a7e02c9682ba123b1b5e8ae1aa4e3554087.exe 84 PID 1728 wrote to memory of 60 1728 05d5d2f7e1270d38d47870c349d22a7e02c9682ba123b1b5e8ae1aa4e3554087.exe 85 PID 1728 wrote to memory of 60 1728 05d5d2f7e1270d38d47870c349d22a7e02c9682ba123b1b5e8ae1aa4e3554087.exe 85 PID 1728 wrote to memory of 60 1728 05d5d2f7e1270d38d47870c349d22a7e02c9682ba123b1b5e8ae1aa4e3554087.exe 85 PID 1728 wrote to memory of 3596 1728 05d5d2f7e1270d38d47870c349d22a7e02c9682ba123b1b5e8ae1aa4e3554087.exe 86 PID 1728 wrote to memory of 3596 1728 05d5d2f7e1270d38d47870c349d22a7e02c9682ba123b1b5e8ae1aa4e3554087.exe 86 PID 1728 wrote to memory of 3596 1728 05d5d2f7e1270d38d47870c349d22a7e02c9682ba123b1b5e8ae1aa4e3554087.exe 86 PID 1728 wrote to memory of 3608 1728 05d5d2f7e1270d38d47870c349d22a7e02c9682ba123b1b5e8ae1aa4e3554087.exe 87 PID 1728 wrote to memory of 3608 1728 05d5d2f7e1270d38d47870c349d22a7e02c9682ba123b1b5e8ae1aa4e3554087.exe 87 PID 1728 wrote to memory of 3608 1728 05d5d2f7e1270d38d47870c349d22a7e02c9682ba123b1b5e8ae1aa4e3554087.exe 87 PID 1728 wrote to memory of 3608 1728 05d5d2f7e1270d38d47870c349d22a7e02c9682ba123b1b5e8ae1aa4e3554087.exe 87 PID 1728 wrote to memory of 3608 1728 05d5d2f7e1270d38d47870c349d22a7e02c9682ba123b1b5e8ae1aa4e3554087.exe 87 PID 1728 wrote to memory of 3608 1728 05d5d2f7e1270d38d47870c349d22a7e02c9682ba123b1b5e8ae1aa4e3554087.exe 87 PID 1728 wrote to memory of 3608 1728 05d5d2f7e1270d38d47870c349d22a7e02c9682ba123b1b5e8ae1aa4e3554087.exe 87 PID 1728 wrote to memory of 3608 1728 05d5d2f7e1270d38d47870c349d22a7e02c9682ba123b1b5e8ae1aa4e3554087.exe 87 PID 1728 wrote to memory of 3608 1728 05d5d2f7e1270d38d47870c349d22a7e02c9682ba123b1b5e8ae1aa4e3554087.exe 87 PID 1728 wrote to memory of 3608 1728 05d5d2f7e1270d38d47870c349d22a7e02c9682ba123b1b5e8ae1aa4e3554087.exe 87 PID 3608 wrote to memory of 2316 3608 RegAsm.exe 100 PID 3608 wrote to memory of 2316 3608 RegAsm.exe 100 PID 3608 wrote to memory of 2316 3608 RegAsm.exe 100 PID 2316 wrote to memory of 4004 2316 cmd.exe 102 PID 2316 wrote to memory of 4004 2316 cmd.exe 102 PID 2316 wrote to memory of 4004 2316 cmd.exe 102
Processes
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C:\Users\Admin\AppData\Local\Temp\05d5d2f7e1270d38d47870c349d22a7e02c9682ba123b1b5e8ae1aa4e3554087.exe"C:\Users\Admin\AppData\Local\Temp\05d5d2f7e1270d38d47870c349d22a7e02c9682ba123b1b5e8ae1aa4e3554087.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1728 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵PID:3924
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵PID:60
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵PID:3596
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3608 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe" & rd /s /q "C:\ProgramData\EBGCFBGCBFHJ" & exit3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2316 -
C:\Windows\SysWOW64\timeout.exetimeout /t 104⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
PID:4004
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