Analysis
- max time kernel
195s - max time network
218s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
- submitted
27/11/2022, 14:02
General
- Target 8fc39c05dda205918f508befdb98572cb4a164b56b2a3b692a1cbe00ed254b42.exe
- Size 452KB
- Sample221127-rb57sace78
- SHA256 8fc39c05dda205918f508befdb98572cb4a164b56b2a3b692a1cbe00ed254b42
Malware Config
Signatures
- HawkEye
HawkEye is a malware kit that has seen continuous development since at least 2013.
- NirSoft MailPassView 9 IoCs
Password recovery tool for various email clients
- NirSoft WebBrowserPassView 9 IoCs
Password recovery tool for various web browsers
- Nirsoft 14 IoCs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Uses the VBS compiler for execution 1 TTPs
- Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
- Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 3 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 29 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\8fc39c05dda205918f508befdb98572cb4a164b56b2a3b692a1cbe00ed254b42.exe"C:\Users\Admin\AppData\Local\Temp\8fc39c05dda205918f508befdb98572cb4a164b56b2a3b692a1cbe00ed254b42.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Update\Windows" /XML "C:\Users\Admin\AppData\Local\Temp\678929427.xml"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\8fc39c05dda205918f508befdb98572cb4a164b56b2a3b692a1cbe00ed254b42.exe"C:\Users\Admin\AppData\Local\Temp\8fc39c05dda205918f508befdb98572cb4a164b56b2a3b692a1cbe00ed254b42.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeC:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holdermail.txt"3⤵
- Accesses Microsoft Outlook accounts
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeC:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holderwb.txt"3⤵
- Suspicious behavior: EnumeratesProcesses
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
8fc39c05dda205918f508befdb98572cb4a164b56b2a3b692a1cbe00ed254b42.exe.log
678929427.xml
holderwb.txt
memory/312-154-0x0000000000400000-0x0000000000458000-memory.dmp
memory/312-159-0x0000000000400000-0x0000000000458000-memory.dmp
memory/312-157-0x0000000000400000-0x0000000000458000-memory.dmp
memory/312-156-0x0000000000400000-0x0000000000458000-memory.dmp
memory/1184-152-0x0000000000400000-0x000000000041B000-memory.dmp
memory/1184-148-0x0000000000400000-0x000000000041B000-memory.dmp
memory/1184-150-0x0000000000400000-0x000000000041B000-memory.dmp
memory/1184-151-0x0000000000400000-0x000000000041B000-memory.dmp
memory/1688-144-0x0000000074FF0000-0x00000000755A1000-memory.dmp
memory/1688-135-0x0000000074FF0000-0x00000000755A1000-memory.dmp
memory/1688-134-0x0000000074FF0000-0x00000000755A1000-memory.dmp
memory/4244-139-0x0000000000400000-0x0000000000484000-memory.dmp
memory/4244-146-0x0000000074FF0000-0x00000000755A1000-memory.dmp
memory/4244-145-0x0000000074FF0000-0x00000000755A1000-memory.dmp
memory/4244-141-0x0000000000400000-0x0000000000484000-memory.dmp
memory/4244-140-0x0000000000400000-0x0000000000484000-memory.dmp