Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240611-en - resource tags
- submitted
13/06/2024, 03:41
General
- Target 5b8cb1dba963fcc498ffd6fdfd994c00_NeikiAnalytics.exe
- Size 1.9MB
- Sample240613-d89pksshrh
- SHA256 8118a53ab89152b5887cc1033233417edfab6d00f9a168bbc4c83127fe48d958
Malware Config
Extracted
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stealc
Extracted
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vidar
-
https://t.me/r8z0l
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https://steamcommunity.com/profiles/76561199698764354
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user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:128.0) Gecko/20100101 Firefox/128.0
Signatures
- Detect Vidar Stealer 16 IoCs
- Stealc
Stealc is an infostealer written in C++.
- Vidar
Vidar is an infostealer based on Arkei stealer.
- Downloads MZ/PE file
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 1 IoCs
- Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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 4 IoCs
- Suspicious use of WriteProcessMemory 14 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\5b8cb1dba963fcc498ffd6fdfd994c00_NeikiAnalytics.exe"C:\Users\Admin\AppData\Local\Temp\5b8cb1dba963fcc498ffd6fdfd994c00_NeikiAnalytics.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\kat3D67.tmpC:\Users\Admin\AppData\Local\Temp\kat3D67.tmp2⤵
- Checks computer location settings
- Executes dropped EXE
- 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:\Users\Admin\AppData\Local\Temp\kat3D67.tmp" & rd /s /q "C:\ProgramData\GDAECAECFCAA" & 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
kat3D67.tmp
memory/1888-9-0x0000000000400000-0x00000000005EE000-memory.dmp
memory/1888-1-0x00000000029C0000-0x0000000002B23000-memory.dmp
memory/1888-0-0x0000000002240000-0x0000000002241000-memory.dmp
memory/2692-33-0x0000000000400000-0x0000000000648000-memory.dmp
memory/2692-34-0x0000000000400000-0x0000000000648000-memory.dmp
memory/2692-4-0x0000000000400000-0x0000000000648000-memory.dmp
memory/2692-22-0x0000000000400000-0x0000000000648000-memory.dmp
memory/2692-23-0x0000000000400000-0x0000000000648000-memory.dmp
memory/2692-25-0x00000000284C0000-0x000000002871F000-memory.dmp
memory/2692-8-0x0000000000400000-0x0000000000648000-memory.dmp
memory/2692-10-0x0000000000400000-0x0000000000648000-memory.dmp
memory/2692-42-0x0000000000400000-0x0000000000648000-memory.dmp
memory/2692-43-0x0000000000400000-0x0000000000648000-memory.dmp
memory/2692-59-0x0000000000400000-0x0000000000648000-memory.dmp
memory/2692-60-0x0000000000400000-0x0000000000648000-memory.dmp
memory/2692-71-0x0000000000400000-0x0000000000648000-memory.dmp
memory/2692-72-0x0000000000400000-0x0000000000648000-memory.dmp
memory/2692-73-0x0000000000400000-0x0000000000648000-memory.dmp
memory/2692-74-0x0000000000400000-0x0000000000648000-memory.dmp