Analysis
- max time kernel
93s - max time network
113s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
13/10/2024, 01:29
General
- Target 8d6ee227c57e825bc978db47c7587d46e7df06e3656d493486ee26b1426c98a6.exe
- Size 2.6MB
- Sample241013-bwkhtascqe
- SHA256 8d6ee227c57e825bc978db47c7587d46e7df06e3656d493486ee26b1426c98a6
Malware Config
Extracted
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meduza
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79.137.202.152
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anti_dbg
true
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anti_vm
true
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build_name
Legenda
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extensions
.txt;.doc;.docx;.pdf;.xls;.xlsx;.log;.db;.sqlite
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grabber_max_size
1.048576e+06
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port
15666
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self_destruct
true
Signatures
- Meduza
Meduza is a crypto wallet and info stealer written in C++.
- Meduza Stealer payload 5 IoCs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 1 IoCs
- Loads dropped DLL 1 IoCs
- Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook profiles 1 TTPs 5 IoCs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 1 IoCs
- Browser Information Discovery 1 TTPs
Enumerate browser information.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
- NTFS ADS 1 IoCs
- Runs ping.exe 1 TTPs 1 IoCs
- Suspicious behavior: EnumeratesProcesses 6 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 19 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\8d6ee227c57e825bc978db47c7587d46e7df06e3656d493486ee26b1426c98a6.exe"C:\Users\Admin\AppData\Local\Temp\8d6ee227c57e825bc978db47c7587d46e7df06e3656d493486ee26b1426c98a6.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- NTFS ADS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\8d6ee227c57e825bc978db47c7587d46e7df06e3656d493486ee26b1426c98a6.exe"C:\Users\Admin\AppData\Local\Temp\8d6ee227c57e825bc978db47c7587d46e7df06e3656d493486ee26b1426c98a6.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C ping 1.1.1.1 -n 1 -w 3000 > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\8d6ee227c57e825bc978db47c7587d46e7df06e3656d493486ee26b1426c98a6.exe"3⤵
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\PING.EXEping 1.1.1.1 -n 1 -w 30004⤵
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
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Network
MITRE ATT&CK Enterprise v15
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
Loading Replay Monitor...
Downloads
8d6ee227c57e825bc978db47c7587d46e7df06e3656d493486ee26b1426c98a6.exe
8d6ee227c57e825bc978db47c7587d46e7df06e3656d493486ee26b1426c98a6.exe:a.dll
memory/1756-6-0x0000000140000000-0x000000014013B000-memory.dmp
memory/1756-9-0x0000000140000000-0x000000014013B000-memory.dmp
memory/1756-8-0x0000000140000000-0x000000014013B000-memory.dmp
memory/1756-10-0x0000000140000000-0x000000014013B000-memory.dmp
memory/1756-18-0x0000000140000000-0x000000014013B000-memory.dmp
memory/2004-0-0x00007FF6564C0000-0x00007FF656766000-memory.dmp
memory/2004-11-0x00007FF6564C0000-0x00007FF656766000-memory.dmp