Analysis
- max time kernel
134s - max time network
144s - platform
windows10-2004_x64 - resource
win10v2004-20240426-en - resource tags
- submitted
21/05/2024, 23:41
General
- Target win1.exe
- Size 73KB
- Sample240521-3pgbcsdh7z
- SHA256 94fada921a79c422e6dbf75eeca7429690d75901b5ef982a44874971b38708a0
Malware Config
Extracted
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asyncrat
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Venom RAT + HVNC + Stealer + Grabber v6.0.2
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Default
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85.209.133.18:4545
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tdipywykihsjieff
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delay
1
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install
false
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install_folder
%AppData%
Signatures
- AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
- StormKitty
StormKitty is an open source info stealer written in C#.
- StormKitty payload 1 IoCs
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
- Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Looks up geolocation information via web service
Uses a legitimate geolocation service to find the infected system's geolocation info.
- Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
- Suspicious behavior: EnumeratesProcesses 24 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 14 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\win1.exe"C:\Users\Admin\AppData\Local\Temp\win1.exe"1⤵
- Accesses Microsoft Outlook profiles
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
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C:\Windows\SYSTEM32\cmd.exe"cmd.exe" /C chcp 65001 && netsh wlan show profile | findstr All2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\chcp.comchcp 650013⤵
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C:\Windows\system32\netsh.exenetsh wlan show profile3⤵
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C:\Windows\system32\findstr.exefindstr All3⤵
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C:\Windows\SYSTEM32\cmd.exe"cmd.exe" /C chcp 65001 && netsh wlan show networks mode=bssid2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\chcp.comchcp 650013⤵
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C:\Windows\system32\netsh.exenetsh wlan show networks mode=bssid3⤵
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
Process.txt
msgid.dat
tmp9FB2.tmp.dat
tmp9FB5.tmp.dat
memory/1952-10-0x00007FFB352F3000-0x00007FFB352F5000-memory.dmp
memory/1952-17-0x0000000000D30000-0x0000000000D4E000-memory.dmp
memory/1952-0-0x00007FFB352F3000-0x00007FFB352F5000-memory.dmp
memory/1952-11-0x00007FFB352F0000-0x00007FFB35DB1000-memory.dmp
memory/1952-12-0x00007FFB352F0000-0x00007FFB35DB1000-memory.dmp
memory/1952-13-0x00007FFB352F0000-0x00007FFB35DB1000-memory.dmp
memory/1952-14-0x00007FFB352F0000-0x00007FFB35DB1000-memory.dmp
memory/1952-15-0x0000000000D90000-0x0000000000E06000-memory.dmp
memory/1952-16-0x000000001C4F0000-0x000000001C612000-memory.dmp
memory/1952-9-0x00007FFB352F0000-0x00007FFB35DB1000-memory.dmp
memory/1952-56-0x0000000000C60000-0x0000000000C82000-memory.dmp
memory/1952-57-0x000000001CD10000-0x000000001CE44000-memory.dmp
memory/1952-58-0x0000000000C10000-0x0000000000C1A000-memory.dmp
memory/1952-8-0x00007FFB352F0000-0x00007FFB35DB1000-memory.dmp
memory/1952-4-0x00007FFB352F0000-0x00007FFB35DB1000-memory.dmp
memory/1952-3-0x00007FFB352F0000-0x00007FFB35DB1000-memory.dmp
memory/1952-168-0x0000000000C40000-0x0000000000C4C000-memory.dmp
memory/1952-170-0x000000001B5B0000-0x000000001B62A000-memory.dmp
memory/1952-213-0x000000001C710000-0x000000001C794000-memory.dmp
memory/1952-1-0x0000000000560000-0x0000000000578000-memory.dmp