Analysis
- max time kernel
194s - max time network
302s - platform
windows10-1703_x64 - resource
win10-20240404-en - resource tags
- submitted
13/06/2024, 23:23
General
- Target 75622e897c6433a03d50f2f2027f2d774a29c5c32cd1ee7a99df6a6cb1fc2a2e.exe
- Size 3.4MB
- Sample240613-3df68ayepn
- SHA256 75622e897c6433a03d50f2f2027f2d774a29c5c32cd1ee7a99df6a6cb1fc2a2e
Malware Config
Extracted
-
stealc
Extracted
-
vidar
-
https://t.me/memve4erin
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https://steamcommunity.com/profiles/76561199699680841
-
user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:129.0) Gecko/20100101 Firefox/129.0
Signatures
- Detect Vidar Stealer 5 IoCs
- Stealc
Stealc is an infostealer written in C++.
- Vidar
Vidar is an infostealer based on Arkei stealer.
- Downloads MZ/PE file
- Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
- Suspicious use of SetThreadContext 1 IoCs
- Checks processor information in registry 2 TTPs 1 IoCs
Processor information is often read in order to detect sandboxing environments.
- Delays execution with timeout.exe 1 IoCs
- Suspicious behavior: EnumeratesProcesses 6 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 18 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\75622e897c6433a03d50f2f2027f2d774a29c5c32cd1ee7a99df6a6cb1fc2a2e.exe"C:\Users\Admin\AppData\Local\Temp\75622e897c6433a03d50f2f2027f2d774a29c5c32cd1ee7a99df6a6cb1fc2a2e.exe"1⤵
- Suspicious use of SetThreadContext
- 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⤵
- 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\AAAEBAFBGIDH" & exit3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\timeout.exetimeout /t 104⤵
- Delays execution with timeout.exe
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
memory/316-68-0x0000000000400000-0x0000000000648000-memory.dmp
memory/316-106-0x0000000000400000-0x0000000000648000-memory.dmp
memory/316-77-0x0000000000400000-0x0000000000648000-memory.dmp
memory/316-71-0x0000000000400000-0x0000000000648000-memory.dmp
memory/316-66-0x0000000000400000-0x0000000000648000-memory.dmp
memory/1888-45-0x0000000004D80000-0x0000000004D95000-memory.dmp
memory/1888-37-0x0000000004D80000-0x0000000004D95000-memory.dmp
memory/1888-51-0x0000000004D80000-0x0000000004D95000-memory.dmp
memory/1888-63-0x0000000004D80000-0x0000000004D95000-memory.dmp
memory/1888-5-0x0000000004D80000-0x0000000004D9C000-memory.dmp
memory/1888-4-0x0000000004FD0000-0x00000000050F6000-memory.dmp
memory/1888-3-0x0000000073850000-0x0000000073F3E000-memory.dmp
memory/1888-70-0x0000000073850000-0x0000000073F3E000-memory.dmp
memory/1888-61-0x0000000004D80000-0x0000000004D95000-memory.dmp
memory/1888-59-0x0000000004D80000-0x0000000004D95000-memory.dmp
memory/1888-57-0x0000000004D80000-0x0000000004D95000-memory.dmp
memory/1888-55-0x0000000004D80000-0x0000000004D95000-memory.dmp
memory/1888-53-0x0000000004D80000-0x0000000004D95000-memory.dmp
memory/1888-49-0x0000000004D80000-0x0000000004D95000-memory.dmp
memory/1888-47-0x0000000004D80000-0x0000000004D95000-memory.dmp
memory/1888-0-0x000000007385E000-0x000000007385F000-memory.dmp
memory/1888-43-0x0000000004D80000-0x0000000004D95000-memory.dmp
memory/1888-41-0x0000000004D80000-0x0000000004D95000-memory.dmp
memory/1888-39-0x0000000004D80000-0x0000000004D95000-memory.dmp
memory/1888-13-0x0000000004D80000-0x0000000004D95000-memory.dmp
memory/1888-35-0x0000000004D80000-0x0000000004D95000-memory.dmp
memory/1888-33-0x0000000004D80000-0x0000000004D95000-memory.dmp
memory/1888-31-0x0000000004D80000-0x0000000004D95000-memory.dmp
memory/1888-29-0x0000000004D80000-0x0000000004D95000-memory.dmp
memory/1888-28-0x0000000004D80000-0x0000000004D95000-memory.dmp
memory/1888-25-0x0000000004D80000-0x0000000004D95000-memory.dmp
memory/1888-21-0x0000000004D80000-0x0000000004D95000-memory.dmp
memory/1888-19-0x0000000004D80000-0x0000000004D95000-memory.dmp
memory/1888-17-0x0000000004D80000-0x0000000004D95000-memory.dmp
memory/1888-65-0x0000000004D80000-0x0000000004D95000-memory.dmp
memory/1888-11-0x0000000004D80000-0x0000000004D95000-memory.dmp
memory/1888-9-0x0000000004D80000-0x0000000004D95000-memory.dmp
memory/1888-23-0x0000000004D80000-0x0000000004D95000-memory.dmp
memory/1888-7-0x0000000004D80000-0x0000000004D95000-memory.dmp
memory/1888-15-0x0000000004D80000-0x0000000004D95000-memory.dmp
memory/1888-6-0x0000000004D80000-0x0000000004D95000-memory.dmp
memory/1888-2-0x0000000004F30000-0x0000000004FCC000-memory.dmp
memory/1888-1-0x0000000000290000-0x00000000005FE000-memory.dmp