Analysis
- max time kernel
143s - max time network
118s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
05/08/2024, 01:57
General
- Target ea520d8e6ca1d44593f26ceea349d55709ebd61565f67368947d38e484f5846f.exe
- Size 175KB
- Sample240805-cdjdgatdrm
- SHA256 ea520d8e6ca1d44593f26ceea349d55709ebd61565f67368947d38e484f5846f
Malware Config
Extracted
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asyncrat
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Default
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127.0.0.1:6606
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127.0.0.1:7707
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127.0.0.1:8808
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https://api.telegram.org/bot6082381502:AAGYF_HaZVw7ziBPxYHyd8WNo0uQbAM7fiU/sendMessage?chat_id=5795480469
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AsyncMutex_6SI8OkPnk
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delay
3
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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
- Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Drops desktop.ini file(s) 8 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.
- Looks up geolocation information via web service
Uses a legitimate geolocation service to find the infected system's geolocation info.
- Browser Information Discovery 1 TTPs
Enumerate browser information.
- Event Triggered Execution: Netsh Helper DLL 1 TTPs 6 IoCs
Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.
- System Location Discovery: System Language Discovery 1 TTPs 8 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- System Network Configuration Discovery: Wi-Fi Discovery 1 TTPs 2 IoCs
Adversaries may search for information about Wi-Fi networks, such as network names and passwords, on compromised systems.
- Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
- Suspicious behavior: EnumeratesProcesses 23 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 21 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\ea520d8e6ca1d44593f26ceea349d55709ebd61565f67368947d38e484f5846f.exe"C:\Users\Admin\AppData\Local\Temp\ea520d8e6ca1d44593f26ceea349d55709ebd61565f67368947d38e484f5846f.exe"1⤵
- Drops desktop.ini file(s)
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"cmd.exe" /C chcp 65001 && netsh wlan show profile | findstr All2⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Wi-Fi Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\chcp.comchcp 650013⤵
- System Location Discovery: System Language Discovery
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C:\Windows\SysWOW64\netsh.exenetsh wlan show profile3⤵
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Wi-Fi Discovery
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C:\Windows\SysWOW64\findstr.exefindstr All3⤵
- System Location Discovery: System Language Discovery
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C:\Windows\SysWOW64\cmd.exe"cmd.exe" /C chcp 65001 && netsh wlan show networks mode=bssid2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\chcp.comchcp 650013⤵
- System Location Discovery: System Language Discovery
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C:\Windows\SysWOW64\netsh.exenetsh wlan show networks mode=bssid3⤵
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
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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
Bookmarks.txt
Process.txt
msgid.dat
memory/4764-146-0x0000000074B50000-0x0000000075300000-memory.dmp
memory/4764-3-0x00000000059E0000-0x0000000005A46000-memory.dmp
memory/4764-2-0x0000000074B50000-0x0000000075300000-memory.dmp
memory/4764-0-0x0000000074B5E000-0x0000000074B5F000-memory.dmp
memory/4764-147-0x0000000006520000-0x00000000065B2000-memory.dmp
memory/4764-148-0x0000000006B70000-0x0000000007114000-memory.dmp
memory/4764-152-0x0000000006720000-0x000000000672A000-memory.dmp
memory/4764-1-0x0000000000FB0000-0x0000000000FE2000-memory.dmp
memory/4764-158-0x0000000074B5E000-0x0000000074B5F000-memory.dmp
memory/4764-159-0x0000000074B50000-0x0000000075300000-memory.dmp
memory/4764-160-0x0000000074B50000-0x0000000075300000-memory.dmp