Analysis
- max time kernel
150s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
26/03/2024, 21:01
General
- Target fdf0617383e4c49ca6d70d3d607b30acaf28adec92f18f7ab061192aba53a423.exe
- Size 1.8MB
- Sample240326-ztw1tscc39
- SHA256 fdf0617383e4c49ca6d70d3d607b30acaf28adec92f18f7ab061192aba53a423
Malware Config
Extracted
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amadey
-
4.17
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http://185.215.113.32
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install_dir
00c07260dc
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install_file
explorgu.exe
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strings_key
461809bd97c251ba0c0c8450c7055f1d
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url_paths
/yandex/index.php
Extracted
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redline
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LiveTraffic
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4.185.137.132:1632
Signatures
- Amadey
Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.
- Detect ZGRat V1 2 IoCs
- RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
- RedLine payload 2 IoCs
- ZGRat
ZGRat is remote access trojan written in C#.
- 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.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 2 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
- Suspicious use of SetThreadContext 1 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 17 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 23 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\fdf0617383e4c49ca6d70d3d607b30acaf28adec92f18f7ab061192aba53a423.exe"C:\Users\Admin\AppData\Local\Temp\fdf0617383e4c49ca6d70d3d607b30acaf28adec92f18f7ab061192aba53a423.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\00c07260dc\explorgu.exeC:\Users\Admin\AppData\Local\Temp\00c07260dc\explorgu.exe1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks computer location settings
- Executes dropped EXE
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\1000837001\goldprimeldlldf.exe"C:\Users\Admin\AppData\Local\Temp\1000837001\goldprimeldlldf.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"3⤵
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C:\Windows\SysWOW64\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\006700e5a2ab05\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\006700e5a2ab05\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\757987694264_Desktop.zip' -CompressionLevel Optimal4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\006700e5a2ab05\clip64.dll, Main2⤵
- Blocklisted process makes network request
- Loads dropped DLL
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
explorgu.exe
osminog.exe
goldprimeldlldf.exe
TeamFour.exe
757987694264_Desktop.zip
JoinRestart.docx
__PSScriptPolicyTest_nznr1qz5.4p1.ps1
clip64.dll
cred64.dll
memory/2520-118-0x0000025F89F60000-0x0000025F89F70000-memory.dmp
memory/2520-116-0x0000025F89F60000-0x0000025F89F70000-memory.dmp
memory/2520-115-0x00007FFE2ADF0000-0x00007FFE2B8B1000-memory.dmp
memory/2520-110-0x0000025F8A4C0000-0x0000025F8A4E2000-memory.dmp
memory/2520-117-0x0000025F89F60000-0x0000025F89F70000-memory.dmp
memory/2520-119-0x0000025FA2790000-0x0000025FA27A2000-memory.dmp
memory/2520-120-0x0000025F8A500000-0x0000025F8A50A000-memory.dmp
memory/2520-125-0x00007FFE2ADF0000-0x00007FFE2B8B1000-memory.dmp
memory/2588-68-0x00000000056D0000-0x0000000005762000-memory.dmp
memory/2588-86-0x0000000008740000-0x00000000087A6000-memory.dmp
memory/2588-104-0x0000000005810000-0x0000000005820000-memory.dmp
memory/2588-102-0x00000000739E0000-0x0000000074190000-memory.dmp
memory/2588-85-0x0000000006C80000-0x0000000006CCC000-memory.dmp
memory/2588-84-0x0000000006C30000-0x0000000006C6C000-memory.dmp
memory/2588-83-0x0000000006BD0000-0x0000000006BE2000-memory.dmp
memory/2588-82-0x0000000008570000-0x000000000867A000-memory.dmp
memory/2588-81-0x0000000006CF0000-0x0000000007308000-memory.dmp
memory/2588-80-0x0000000005790000-0x000000000579A000-memory.dmp
memory/2588-79-0x0000000005810000-0x0000000005820000-memory.dmp
memory/2588-69-0x00000000739E0000-0x0000000074190000-memory.dmp
memory/2588-66-0x0000000005BD0000-0x0000000006174000-memory.dmp
memory/2588-61-0x0000000000400000-0x0000000000450000-memory.dmp
memory/3236-16-0x00000000009A0000-0x0000000000E3F000-memory.dmp
memory/3236-1-0x0000000077DD4000-0x0000000077DD6000-memory.dmp
memory/3236-3-0x0000000005020000-0x0000000005021000-memory.dmp
memory/3236-4-0x0000000005030000-0x0000000005031000-memory.dmp
memory/3236-0-0x00000000009A0000-0x0000000000E3F000-memory.dmp
memory/3236-2-0x00000000009A0000-0x0000000000E3F000-memory.dmp
memory/3236-5-0x0000000005010000-0x0000000005011000-memory.dmp
memory/3236-6-0x0000000005060000-0x0000000005061000-memory.dmp
memory/3236-8-0x0000000005000000-0x0000000005001000-memory.dmp
memory/3236-7-0x0000000004FF0000-0x0000000004FF1000-memory.dmp
memory/3236-9-0x0000000005050000-0x0000000005051000-memory.dmp
memory/3236-10-0x0000000005080000-0x0000000005081000-memory.dmp
memory/3236-11-0x0000000005070000-0x0000000005071000-memory.dmp
memory/4616-23-0x00000000052F0000-0x00000000052F1000-memory.dmp
memory/4616-21-0x0000000005300000-0x0000000005301000-memory.dmp
memory/4616-20-0x0000000000790000-0x0000000000C2F000-memory.dmp
memory/4616-158-0x0000000000790000-0x0000000000C2F000-memory.dmp
memory/4616-101-0x0000000000790000-0x0000000000C2F000-memory.dmp
memory/4616-24-0x0000000005330000-0x0000000005331000-memory.dmp
memory/4616-25-0x00000000052D0000-0x00000000052D1000-memory.dmp
memory/4616-19-0x0000000000790000-0x0000000000C2F000-memory.dmp
memory/4616-22-0x0000000005310000-0x0000000005311000-memory.dmp
memory/4616-26-0x00000000052E0000-0x00000000052E1000-memory.dmp
memory/4616-27-0x0000000005350000-0x0000000005351000-memory.dmp
memory/4616-28-0x0000000005360000-0x0000000005361000-memory.dmp
memory/4616-62-0x0000000000790000-0x0000000000C2F000-memory.dmp
memory/4616-87-0x0000000000790000-0x0000000000C2F000-memory.dmp
memory/4616-157-0x0000000000790000-0x0000000000C2F000-memory.dmp
memory/4616-156-0x0000000000790000-0x0000000000C2F000-memory.dmp
memory/4616-78-0x0000000000790000-0x0000000000C2F000-memory.dmp
memory/4616-155-0x0000000000790000-0x0000000000C2F000-memory.dmp
memory/4616-154-0x0000000000790000-0x0000000000C2F000-memory.dmp
memory/4616-136-0x0000000000790000-0x0000000000C2F000-memory.dmp
memory/4688-67-0x00000000027C0000-0x00000000047C0000-memory.dmp
memory/4688-65-0x00000000739E0000-0x0000000074190000-memory.dmp
memory/4688-58-0x0000000004E10000-0x0000000004E20000-memory.dmp
memory/4688-57-0x00000000739E0000-0x0000000074190000-memory.dmp
memory/4688-56-0x00000000002E0000-0x000000000035A000-memory.dmp
memory/4688-100-0x00000000027C0000-0x00000000047C0000-memory.dmp