Analysis
- max time kernel
150s - max time network
139s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
19/09/2022, 12:52
General
- Target SecuriteInfo.com.Win32.PWSX-gen.22789.exe
- Size 788KB
- Sample220919-p33vmaddej
- SHA256 430a9487d85e5998d134ca3a890e0c6ff86101264d1fc4ae869953fac0755c3e
Malware Config
Extracted
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blustealer
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https://api.telegram.org/bot5415235188:AAGqakDD6FZcw5LLX6hH5qVayV-1OGURlEo/sendMessage?chat_id=1372472614
Signatures
- BluStealer
A Modular information stealer written in Visual Basic.
- StormKitty
StormKitty is an open source info stealer written in C#.
- StormKitty payload 1 IoCs
- Accesses Microsoft Outlook profiles 1 TTPs 3 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 2 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
- Suspicious behavior: EnumeratesProcesses 8 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 22 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.22789.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.22789.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.22789.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.22789.exe"2⤵
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C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.22789.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.22789.exe"2⤵
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C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.22789.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.22789.exe"2⤵
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C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.22789.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.22789.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe3⤵
- Accesses Microsoft Outlook profiles
- Checks processor information in registry
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1028-150-0x0000000000820000-0x000000000083A000-memory.dmp
memory/3044-136-0x0000000008A30000-0x0000000008ACC000-memory.dmp
memory/3044-137-0x0000000008BD0000-0x0000000008C36000-memory.dmp
memory/3044-132-0x0000000000450000-0x000000000051A000-memory.dmp
memory/3044-135-0x0000000004EC0000-0x0000000004ECA000-memory.dmp
memory/3044-134-0x0000000004F60000-0x0000000004FF2000-memory.dmp
memory/3044-133-0x0000000005510000-0x0000000005AB4000-memory.dmp
memory/4284-142-0x0000000000400000-0x0000000000424000-memory.dmp
memory/4284-144-0x0000000000400000-0x0000000000424000-memory.dmp
memory/4284-147-0x0000000000400000-0x0000000000424000-memory.dmp
memory/4284-148-0x0000000000400000-0x0000000000424000-memory.dmp