Analysis
- max time kernel
93s - max time network
137s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
09/08/2024, 08:30
General
- Target file.exe
- Size 4.8MB
- Sample240809-kd6srssdlb
- SHA256 c1b3b50c6ab0ed4e6e453cd5762585cd10876007f4a2de76fb26f498350c92d7
Malware Config
Extracted
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vidar
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https://steamcommunity.com/profiles/76561199747278259
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https://t.me/armad2a
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user_agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 YaBrowser/24.6.0.1 Safari/537.36
Signatures
- Detect Vidar Stealer 6 IoCs
- Vidar
Vidar is an infostealer based on Arkei stealer.
- Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
- Suspicious use of SetThreadContext 1 IoCs
- 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.
- Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
- Delays execution with timeout.exe 1 IoCs
- Suspicious behavior: EnumeratesProcesses 8 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 19 IoCs
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 behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"2⤵
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"2⤵
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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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\MSBuild.exe" & rd /s /q "C:\ProgramData\HDGIEBGHDAEB" & exit3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\timeout.exetimeout /t 104⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
memory/4940-66-0x0000000000400000-0x0000000000643000-memory.dmp
memory/4940-91-0x0000000000400000-0x0000000000643000-memory.dmp
memory/4940-89-0x0000000000400000-0x0000000000643000-memory.dmp
memory/4940-88-0x0000000000400000-0x0000000000643000-memory.dmp
memory/4940-71-0x0000000000400000-0x0000000000643000-memory.dmp
memory/4940-68-0x0000000000400000-0x0000000000643000-memory.dmp
memory/4992-35-0x0000000005C70000-0x0000000005C85000-memory.dmp
memory/4992-29-0x0000000005C70000-0x0000000005C85000-memory.dmp
memory/4992-63-0x0000000005C70000-0x0000000005C85000-memory.dmp
memory/4992-62-0x0000000005C70000-0x0000000005C85000-memory.dmp
memory/4992-59-0x0000000005C70000-0x0000000005C85000-memory.dmp
memory/4992-58-0x0000000005C70000-0x0000000005C85000-memory.dmp
memory/4992-55-0x0000000005C70000-0x0000000005C85000-memory.dmp
memory/4992-53-0x0000000005C70000-0x0000000005C85000-memory.dmp
memory/4992-51-0x0000000005C70000-0x0000000005C85000-memory.dmp
memory/4992-50-0x0000000005C70000-0x0000000005C85000-memory.dmp
memory/4992-47-0x0000000005C70000-0x0000000005C85000-memory.dmp
memory/4992-45-0x0000000005C70000-0x0000000005C85000-memory.dmp
memory/4992-44-0x0000000005C70000-0x0000000005C85000-memory.dmp
memory/4992-41-0x0000000005C70000-0x0000000005C85000-memory.dmp
memory/4992-39-0x0000000005C70000-0x0000000005C85000-memory.dmp
memory/4992-38-0x0000000005C70000-0x0000000005C85000-memory.dmp
memory/4992-0-0x0000000074C5E000-0x0000000074C5F000-memory.dmp
memory/4992-33-0x0000000005C70000-0x0000000005C85000-memory.dmp
memory/4992-31-0x0000000005C70000-0x0000000005C85000-memory.dmp
memory/4992-65-0x0000000005C70000-0x0000000005C85000-memory.dmp
memory/4992-27-0x0000000005C70000-0x0000000005C85000-memory.dmp
memory/4992-25-0x0000000005C70000-0x0000000005C85000-memory.dmp
memory/4992-23-0x0000000005C70000-0x0000000005C85000-memory.dmp
memory/4992-21-0x0000000005C70000-0x0000000005C85000-memory.dmp
memory/4992-19-0x0000000005C70000-0x0000000005C85000-memory.dmp
memory/4992-17-0x0000000005C70000-0x0000000005C85000-memory.dmp
memory/4992-13-0x0000000005C70000-0x0000000005C85000-memory.dmp
memory/4992-11-0x0000000005C70000-0x0000000005C85000-memory.dmp
memory/4992-9-0x0000000005C70000-0x0000000005C85000-memory.dmp
memory/4992-7-0x0000000005C70000-0x0000000005C85000-memory.dmp
memory/4992-6-0x0000000005C70000-0x0000000005C85000-memory.dmp
memory/4992-15-0x0000000005C70000-0x0000000005C85000-memory.dmp
memory/4992-69-0x0000000074C50000-0x0000000075400000-memory.dmp
memory/4992-5-0x0000000005C70000-0x0000000005C8C000-memory.dmp
memory/4992-4-0x0000000005DB0000-0x0000000005EF0000-memory.dmp
memory/4992-72-0x0000000074C50000-0x0000000075400000-memory.dmp
memory/4992-3-0x0000000074C50000-0x0000000075400000-memory.dmp
memory/4992-2-0x0000000005D10000-0x0000000005DAC000-memory.dmp
memory/4992-1-0x0000000000EF0000-0x00000000013C4000-memory.dmp