Analysis
- max time kernel
25s - max time network
131s - platform
windows7_x64 - resource
win7-20241010-en - resource tags
- submitted
06/03/2025, 04:35
General
- Target CAPE ARIA Particulars.docx.bat.exe
- Size 1.1MB
- Sample250306-e7tgmsyshx
- SHA256 29d5ec780d5e5c02484ba41f291e35d29910e0ea2221c48f2ba19c9be746b8a7
Malware Config
Extracted
-
agenttesla
-
Protocol
ftp
-
Host
ftp://beirutrest.com
-
Port
21
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Username
-
Password
9yXQ39wz(uL+
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Agenttesla family
- 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 2 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 6 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of WriteProcessMemory 21 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\CAPE ARIA Particulars.docx.bat.exe"C:\Users\Admin\AppData\Local\Temp\CAPE ARIA Particulars.docx.bat.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- 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\CAPE ARIA Particulars.docx.bat.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\jfzjANfaEP.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\jfzjANfaEP" /XML "C:\Users\Admin\AppData\Local\Temp\tmp32F2.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
-
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C:\Users\Admin\AppData\Local\Temp\CAPE ARIA Particulars.docx.bat.exe"C:\Users\Admin\AppData\Local\Temp\CAPE ARIA Particulars.docx.bat.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
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
tmp32F2.tmp
d93f411851d7c929.customDestinations-ms
memory/2232-30-0x0000000000400000-0x0000000000440000-memory.dmp
memory/2232-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2232-21-0x0000000000400000-0x0000000000440000-memory.dmp
memory/2232-23-0x0000000000400000-0x0000000000440000-memory.dmp
memory/2232-25-0x0000000000400000-0x0000000000440000-memory.dmp
memory/2232-29-0x0000000000400000-0x0000000000440000-memory.dmp
memory/2232-28-0x0000000000400000-0x0000000000440000-memory.dmp
memory/2232-19-0x0000000000400000-0x0000000000440000-memory.dmp
memory/3016-6-0x00000000076C0000-0x0000000007746000-memory.dmp
memory/3016-1-0x0000000001340000-0x0000000001460000-memory.dmp
memory/3016-0-0x000000007437E000-0x000000007437F000-memory.dmp
memory/3016-2-0x0000000074370000-0x0000000074A5E000-memory.dmp
memory/3016-3-0x0000000000410000-0x0000000000420000-memory.dmp
memory/3016-5-0x0000000074370000-0x0000000074A5E000-memory.dmp
memory/3016-4-0x000000007437E000-0x000000007437F000-memory.dmp
memory/3016-31-0x0000000074370000-0x0000000074A5E000-memory.dmp