Analysis
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max time kernel
139s -
max time network
140s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
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submitted
12-09-2024 12:56
General
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Target
documento de envio para fatura nº 52-FK-24.pdf.scr.exe
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Size
660KB
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MD5
2f259ff8ae0f320abb13417929e10500
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SHA1
ec02c62d9850589093716dbfb645be6e9aa35b5f
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SHA256
f207f360f60925ba6e949a315ac35e01ef7190993146fdad3aa1d27b2c9bb776
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SHA512
ee4e5a1a9a08cf6aeab8eefe64b0051292614ac07e856d987c99ef1d4836ad6c0a31386b45b319aa56775e0d9e1d25928cf9cadce43c380af8e9e402e9c6bb99
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SSDEEP
12288:7Df8n+GNns0+nZJgcC4eOcth7ZqUlmmN0KHiZ/75S+pO6wtPXHuhkR:Q+ib+Tgvh7UuRCZDNpQ+8
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.alitextile.com - Port:
587 - Username:
[email protected] - Password:
Myname@321 - Email To:
[email protected]
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
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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.
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Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
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Suspicious use of SetThreadContext 1 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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.
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Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 6 IoCs
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Suspicious use of AdjustPrivilegeToken 4 IoCs
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Suspicious use of SetWindowsHookEx 1 IoCs
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Suspicious use of WriteProcessMemory 25 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\documento de envio para fatura nº 52-FK-24.pdf.scr.exe"C:\Users\Admin\AppData\Local\Temp\documento de envio para fatura nº 52-FK-24.pdf.scr.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\documento de envio para fatura nº 52-FK-24.pdf.scr.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\PWdnQUQIF.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\PWdnQUQIF" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDC0D.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
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C:\Users\Admin\AppData\Local\Temp\documento de envio para fatura nº 52-FK-24.pdf.scr.exe"C:\Users\Admin\AppData\Local\Temp\documento de envio para fatura nº 52-FK-24.pdf.scr.exe"2⤵
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C:\Users\Admin\AppData\Local\Temp\documento de envio para fatura nº 52-FK-24.pdf.scr.exe"C:\Users\Admin\AppData\Local\Temp\documento de envio para fatura nº 52-FK-24.pdf.scr.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
3Credentials In Files
2Credentials in Registry
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD5f5e1cae71f9138f080f5af682f3bbc02
SHA1a7ed05aefecdfe5017009930b6fa2743b694d048
SHA25674f6a8f3cf61a478bccfaa7139dfbef020899b83173299c47898dbc92d132314
SHA5126023ff04c78fde4e6f0c1089b86d7ff899a9731efce9180c8bd795aa1795f53592b211524b940735a9fa4d751aeb4a4944f295a0156eb8f0d18c463d71ea695f
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Filesize
7KB
MD52be6c86001790a2f7177478087daf52f
SHA1d88637bbc412c2117fac9fb05076d526381d3e68
SHA25606708476eee673e0a7019b099c026acca2caf535f7ac1d11af167bc371fbe6d6
SHA512d15e4c1deebe0914784d095fee090653aa8decb42ca0295befcf4fb08776a939c0decf877ea78355467cc39d624ea2e2e92a94a42707174f154e0e094532f8c1
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Filesize
4KB
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Filesize
264KB
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Filesize
264KB
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Filesize
264KB
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Filesize
264KB
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Filesize
264KB
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Filesize
264KB
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Filesize
264KB
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Filesize
528KB
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Filesize
672KB
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Filesize
4KB
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Filesize
6.9MB
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Filesize
64KB
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Filesize
6.9MB
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Filesize
4KB
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Filesize
6.9MB