Analysis
- max time kernel
148s - max time network
142s - platform
windows11-21h2_x64 - resource
win11-20240412-en - resource tags
- submitted
26/04/2024, 03:34
General
- Target e4bf167612708d2a5705762a4a92c1d438d2c749c96a8db74ca47ac912f87fb6.exe
- Size 1.8MB
- Sample240426-d41acahe51
- SHA256 e4bf167612708d2a5705762a4a92c1d438d2c749c96a8db74ca47ac912f87fb6
Malware Config
Extracted
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amadey
-
4.17
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http://193.233.132.167
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install_dir
4d0ab15804
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install_file
chrosha.exe
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strings_key
1a9519d7b465e1f4880fa09a6162d768
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url_paths
/enigma/index.php
Signatures
- Amadey
Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.
- Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs
- Blocklisted process makes network request 2 IoCs
- Downloads MZ/PE file
- Checks BIOS information in registry 2 TTPs 4 IoCs
BIOS information is often read in order to detect sandboxing environments.
- Executes dropped EXE 1 IoCs
- Identifies Wine through registry keys 2 TTPs 2 IoCs
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
- Loads dropped DLL 3 IoCs
- Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
- Reads local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
- Drops file in Windows directory 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious behavior: EnumeratesProcesses 16 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 12 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\e4bf167612708d2a5705762a4a92c1d438d2c749c96a8db74ca47ac912f87fb6.exe"C:\Users\Admin\AppData\Local\Temp\e4bf167612708d2a5705762a4a92c1d438d2c749c96a8db74ca47ac912f87fb6.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
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C:\Users\Admin\AppData\Local\Temp\4d0ab15804\chrosha.exeC:\Users\Admin\AppData\Local\Temp\4d0ab15804\chrosha.exe1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\c1ec479e5342a2\cred64.dll, Main2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\c1ec479e5342a2\cred64.dll, Main3⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\netsh.exenetsh wlan show profiles4⤵
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -Command Compress-Archive -Path 'C:\Users\Admin\AppData\Local\Temp\_Files_\' -DestinationPath 'C:\Users\Admin\AppData\Local\Temp\017659663955_Desktop.zip' -CompressionLevel Optimal4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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-
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C:\Windows\SysWOW64\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\c1ec479e5342a2\clip64.dll, Main2⤵
- Blocklisted process makes network request
- Loads dropped DLL
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
chrosha.exe
__PSScriptPolicyTest_zq4zt0tk.jqv.ps1
clip64.dll
cred64.dll
memory/236-7-0x0000000005190000-0x0000000005191000-memory.dmp
memory/236-8-0x00000000051A0000-0x00000000051A1000-memory.dmp
memory/236-0-0x0000000000950000-0x0000000000E04000-memory.dmp
memory/236-6-0x00000000051F0000-0x00000000051F1000-memory.dmp
memory/236-5-0x00000000051B0000-0x00000000051B1000-memory.dmp
memory/236-9-0x0000000005210000-0x0000000005211000-memory.dmp
memory/236-14-0x0000000000950000-0x0000000000E04000-memory.dmp
memory/236-3-0x00000000051C0000-0x00000000051C1000-memory.dmp
memory/236-4-0x00000000051D0000-0x00000000051D1000-memory.dmp
memory/236-2-0x0000000000950000-0x0000000000E04000-memory.dmp
memory/236-1-0x0000000077516000-0x0000000077518000-memory.dmp
memory/4308-27-0x0000000000280000-0x0000000000734000-memory.dmp
memory/4308-75-0x0000000000280000-0x0000000000734000-memory.dmp
memory/4308-22-0x0000000005390000-0x0000000005391000-memory.dmp
memory/4308-21-0x0000000005350000-0x0000000005351000-memory.dmp
memory/4308-19-0x0000000005360000-0x0000000005361000-memory.dmp
memory/4308-25-0x00000000053B0000-0x00000000053B1000-memory.dmp
memory/4308-26-0x00000000053A0000-0x00000000053A1000-memory.dmp
memory/4308-24-0x0000000005340000-0x0000000005341000-memory.dmp
memory/4308-20-0x0000000005370000-0x0000000005371000-memory.dmp
memory/4308-83-0x0000000000280000-0x0000000000734000-memory.dmp
memory/4308-18-0x0000000000280000-0x0000000000734000-memory.dmp
memory/4308-82-0x0000000000280000-0x0000000000734000-memory.dmp
memory/4308-81-0x0000000000280000-0x0000000000734000-memory.dmp
memory/4308-80-0x0000000000280000-0x0000000000734000-memory.dmp
memory/4308-52-0x0000000000280000-0x0000000000734000-memory.dmp
memory/4308-79-0x0000000000280000-0x0000000000734000-memory.dmp
memory/4308-78-0x0000000000280000-0x0000000000734000-memory.dmp
memory/4308-77-0x0000000000280000-0x0000000000734000-memory.dmp
memory/4308-61-0x0000000000280000-0x0000000000734000-memory.dmp
memory/4308-62-0x0000000000280000-0x0000000000734000-memory.dmp
memory/4308-17-0x0000000000280000-0x0000000000734000-memory.dmp
memory/4308-74-0x0000000000280000-0x0000000000734000-memory.dmp
memory/4308-23-0x0000000005330000-0x0000000005331000-memory.dmp
memory/4308-76-0x0000000000280000-0x0000000000734000-memory.dmp
memory/4988-60-0x00007FFE31340000-0x00007FFE31E02000-memory.dmp
memory/4988-54-0x000001B46E130000-0x000001B46E13A000-memory.dmp
memory/4988-53-0x000001B46E250000-0x000001B46E262000-memory.dmp
memory/4988-51-0x000001B46DE50000-0x000001B46DE60000-memory.dmp
memory/4988-50-0x000001B46DE50000-0x000001B46DE60000-memory.dmp
memory/4988-49-0x00007FFE31340000-0x00007FFE31E02000-memory.dmp
memory/4988-40-0x000001B46DE20000-0x000001B46DE42000-memory.dmp