Analysis
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max time kernel
140s -
max time network
136s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
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submitted
16-09-2024 02:55
General
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Target
invoice.pdf.exe
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Size
644KB
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MD5
d2bcb1d9ce1f1d32ef8af55e66c41998
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SHA1
271c46d3000bb61b8e4a62ac7b6649f4ff8c2b1b
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SHA256
718fc86c95456f531fb7ff1ab7d313376cb3db0ed2ef0469b175d1156659845a
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SHA512
f835cdbe8e35ec668e3636d7a28edfe49f3c2c08f1164867b5f407488588000f72ad6dfe6efd66213e13415e0c1a5461812d9119e6e0cafee671cf973cf58efd
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SSDEEP
12288:JEIe3NA3HiCcLSMJ6C29Ghjp27JKHkM76/2C16S3wUep1kx8a:JED3KSsPGlsoES6+CYStep1kX
Malware Config
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla payload 7 IoCs
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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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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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UPX packed file 5 IoCs
Detects executables packed with UPX/modified UPX open source packer.
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Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
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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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System Location Discovery: System Language Discovery 1 TTPs 2 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 4 IoCs
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Suspicious behavior: MapViewOfSection 1 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
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Suspicious use of WriteProcessMemory 3 IoCs
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outlook_office_path 1 IoCs
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outlook_win_path 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\invoice.pdf.exe"C:\Users\Admin\AppData\Local\Temp\invoice.pdf.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\invoice.pdf.exe"C:\Users\Admin\AppData\Local\Temp\invoice.pdf.exe"2⤵
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
668KB
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Filesize
64KB
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Filesize
4KB
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Filesize
4KB
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Filesize
488KB
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Filesize
216KB
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Filesize
216KB
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Filesize
488KB
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Filesize
488KB
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Filesize
488KB
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Filesize
488KB
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Filesize
488KB
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Filesize
488KB