Analysis
- max time kernel
122s - max time network
123s - platform
windows7_x64 - resource
win7-20240903-en - resource tags
- submitted
14/10/2024, 14:26
General
- Target New Purchase Order_2225678392ON.bat.exe
- Size 860KB
- Sample241014-rrt5fstdrm
- SHA256 94f98b239d0b82e134302c53455418fdcc7ed9ff19b9d8e9b079a7961c03068a
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.zqamcx.com
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Port
587
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Username
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Password
Anambraeast@
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Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- 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.
- Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
- Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 5 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- 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 4 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 21 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\New Purchase Order_2225678392ON.bat.exe"C:\Users\Admin\AppData\Local\Temp\New Purchase Order_2225678392ON.bat.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- 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\New Purchase Order_2225678392ON.bat.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- 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\RGEBfoKEzBVAO.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\RGEBfoKEzBVAO" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1EF6.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
-
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C:\Users\Admin\AppData\Local\Temp\New Purchase Order_2225678392ON.bat.exe"C:\Users\Admin\AppData\Local\Temp\New Purchase Order_2225678392ON.bat.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
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Network
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
4Credentials In Files
3Credentials in Registry
1Replay Monitor
Loading Replay Monitor...
Downloads
tmp1EF6.tmp
W01FIRT4PEMYMZD3BHUW.temp
memory/2516-4-0x0000000073F8E000-0x0000000073F8F000-memory.dmp
memory/2516-32-0x0000000073F80000-0x000000007466E000-memory.dmp
memory/2516-0-0x0000000073F8E000-0x0000000073F8F000-memory.dmp
memory/2516-5-0x0000000073F80000-0x000000007466E000-memory.dmp
memory/2516-6-0x0000000005060000-0x00000000050E4000-memory.dmp
memory/2516-2-0x0000000073F80000-0x000000007466E000-memory.dmp
memory/2516-1-0x00000000002A0000-0x000000000037A000-memory.dmp
memory/2516-3-0x00000000004F0000-0x0000000000502000-memory.dmp
memory/2600-21-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2600-31-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2600-29-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2600-28-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2600-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2600-25-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2600-23-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2600-19-0x0000000000400000-0x0000000000442000-memory.dmp