Analysis
- max time kernel
149s - max time network
155s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
09/08/2024, 08:30
General
- Target file.exe
- Size 6.1MB
- Sample240809-kd6g1asdla
- SHA256 6ae1ebeb88e73be3fd5141deb9e85ed84203af1ef50cea7f2efc6be74816e52e
Malware Config
Extracted
-
vidar
-
https://steamcommunity.com/profiles/76561199751190313
-
https://t.me/pech0nk
-
user_agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36
Signatures
- Detect Vidar Stealer 5 IoCs
- Vidar
Vidar is an infostealer based on Arkei stealer.
- Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
- Downloads MZ/PE file
- Loads dropped DLL 2 IoCs
- Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
- Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
- Suspicious use of SetThreadContext 1 IoCs
- Browser Information Discovery 1 TTPs
Enumerate browser information.
- 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 16 IoCs
Processes
-
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
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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⤵
- Loads dropped DLL
- 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 & rd /s /q "C:\ProgramData\JECGIIIDAKJD" & 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
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
2Credentials In Files
2Replay Monitor
Loading Replay Monitor...
Downloads
mozglue.dll
nss3.dll
memory/1860-38-0x00000000051A0000-0x00000000051B5000-memory.dmp
memory/1860-48-0x00000000051A0000-0x00000000051B5000-memory.dmp
memory/1860-4-0x0000000005510000-0x0000000005642000-memory.dmp
memory/1860-5-0x00000000056E0000-0x000000000577C000-memory.dmp
memory/1860-6-0x00000000051A0000-0x00000000051BC000-memory.dmp
memory/1860-36-0x00000000051A0000-0x00000000051B5000-memory.dmp
memory/1860-66-0x00000000051A0000-0x00000000051B5000-memory.dmp
memory/1860-64-0x00000000051A0000-0x00000000051B5000-memory.dmp
memory/1860-63-0x00000000051A0000-0x00000000051B5000-memory.dmp
memory/1860-60-0x00000000051A0000-0x00000000051B5000-memory.dmp
memory/1860-59-0x00000000051A0000-0x00000000051B5000-memory.dmp
memory/1860-56-0x00000000051A0000-0x00000000051B5000-memory.dmp
memory/1860-54-0x00000000051A0000-0x00000000051B5000-memory.dmp
memory/1860-28-0x00000000051A0000-0x00000000051B5000-memory.dmp
memory/1860-50-0x00000000051A0000-0x00000000051B5000-memory.dmp
memory/1860-30-0x00000000051A0000-0x00000000051B5000-memory.dmp
memory/1860-46-0x00000000051A0000-0x00000000051B5000-memory.dmp
memory/1860-44-0x00000000051A0000-0x00000000051B5000-memory.dmp
memory/1860-42-0x00000000051A0000-0x00000000051B5000-memory.dmp
memory/1860-40-0x00000000051A0000-0x00000000051B5000-memory.dmp
memory/1860-0-0x000000007491E000-0x000000007491F000-memory.dmp
memory/1860-34-0x00000000051A0000-0x00000000051B5000-memory.dmp
memory/1860-2-0x0000000074910000-0x00000000750C0000-memory.dmp
memory/1860-32-0x00000000051A0000-0x00000000051B5000-memory.dmp
memory/1860-52-0x00000000051A0000-0x00000000051B5000-memory.dmp
memory/1860-27-0x00000000051A0000-0x00000000051B5000-memory.dmp
memory/1860-24-0x00000000051A0000-0x00000000051B5000-memory.dmp
memory/1860-22-0x00000000051A0000-0x00000000051B5000-memory.dmp
memory/1860-20-0x00000000051A0000-0x00000000051B5000-memory.dmp
memory/1860-18-0x00000000051A0000-0x00000000051B5000-memory.dmp
memory/1860-16-0x00000000051A0000-0x00000000051B5000-memory.dmp
memory/1860-14-0x00000000051A0000-0x00000000051B5000-memory.dmp
memory/1860-12-0x00000000051A0000-0x00000000051B5000-memory.dmp
memory/1860-10-0x00000000051A0000-0x00000000051B5000-memory.dmp
memory/1860-8-0x00000000051A0000-0x00000000051B5000-memory.dmp
memory/1860-7-0x00000000051A0000-0x00000000051B5000-memory.dmp
memory/1860-1-0x00000000001D0000-0x00000000007E4000-memory.dmp
memory/1860-3-0x0000000005390000-0x0000000005506000-memory.dmp
memory/1860-73-0x0000000074910000-0x00000000750C0000-memory.dmp
memory/1860-70-0x0000000074910000-0x00000000750C0000-memory.dmp
memory/4436-69-0x0000000000400000-0x0000000000643000-memory.dmp
memory/4436-78-0x0000000000400000-0x0000000000643000-memory.dmp
memory/4436-72-0x0000000000400000-0x0000000000643000-memory.dmp
memory/4436-67-0x0000000000400000-0x0000000000643000-memory.dmp
memory/4436-145-0x0000000000400000-0x0000000000643000-memory.dmp