Analysis
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max time kernel
119s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
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submitted
12-09-2024 06:12
General
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Target
WOOYANG VENUS PARTICULARS.docx.scr.exe
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Size
699KB
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MD5
ace395f2b26c4c2cacdac246367c2060
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SHA1
28a7e06e9c884a6bd19e2a72a707deddc926c8f7
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SHA256
c75134c43e97b75bca4ced11b721253c5774cb0a78184acdc5c55580aa07df85
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SHA512
38ca34874df309e5ccc849614b3800a0f487920ee3c2b6c076eb7b5717807eb510257ad07a321b455280ed12ecaa8d7ce47e847a8989d79a07d6b7aab24ce5be
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SSDEEP
12288:HwPjab8rnxCwK1BWng4WYEAH9Dd3Qc9cLWM9WiR6i6Qc7JYdViwt5XH:HwjabiCwwQng4tE2t2Kf+/OJ4iw5
Malware Config
Extracted
agenttesla
Protocol: ftp- Host:
ftp://beirutrest.com - Port:
21 - Username:
[email protected] - Password:
9yXQ39wz(uL+
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 1 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 data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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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 2 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 3 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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Suspicious behavior: EnumeratesProcesses 3 IoCs
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Suspicious use of AdjustPrivilegeToken 2 IoCs
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Suspicious use of WriteProcessMemory 13 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\WOOYANG VENUS PARTICULARS.docx.scr.exe"C:\Users\Admin\AppData\Local\Temp\WOOYANG VENUS PARTICULARS.docx.scr.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\WOOYANG VENUS PARTICULARS.docx.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:\Users\Admin\AppData\Local\Temp\WOOYANG VENUS PARTICULARS.docx.scr.exe"C:\Users\Admin\AppData\Local\Temp\WOOYANG VENUS PARTICULARS.docx.scr.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Enterprise v15
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
4Credentials In Files
3Credentials in Registry
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
4KB
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Filesize
720KB
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Filesize
6.9MB
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Filesize
64KB
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Filesize
4KB
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Filesize
6.9MB
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Filesize
520KB
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Filesize
6.9MB
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Filesize
256KB
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Filesize
4KB
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Filesize
256KB
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Filesize
256KB
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Filesize
256KB
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Filesize
6.9MB
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Filesize
256KB
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Filesize
256KB
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Filesize
256KB
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Filesize
6.9MB
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Filesize
6.9MB