Analysis
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max time kernel
94s -
max time network
97s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
16-09-2024 18:05
Behavioral task
behavioral1
Sample
VirusShare_cbefadc4a88e7ed311bea0c5494479a4.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
VirusShare_cbefadc4a88e7ed311bea0c5494479a4.exe
Resource
win10v2004-20240802-en
General
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Target
VirusShare_cbefadc4a88e7ed311bea0c5494479a4.exe
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Size
289KB
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MD5
cbefadc4a88e7ed311bea0c5494479a4
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SHA1
42fcd8b484b6441c7a486a1e84389c220d546864
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SHA256
e0b3a3c3a6204dee78982c98286c2260fe41f728f0c74c51cfab2e6f80196214
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SHA512
6df448ba20413df71b9e28f3c4ccd3d6c028b17dc0c19b4615a982c175487442fd2d267f8a45d6d3143c1de6cf3b33f8a4e8c6c3f1a9b4212ed59ea16edcac3f
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SSDEEP
3072:THzRhpyheRZXsbvWLa0I7V0b7VJ0mmpFBpW+vlJiKvDy6n7mlTu4W3Z3+okH+kiF:T9ZXg0I8gpFGqJiKbbmdu44n7p38blk
Malware Config
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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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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Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 VirusShare_cbefadc4a88e7ed311bea0c5494479a4.exe Key opened \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 VirusShare_cbefadc4a88e7ed311bea0c5494479a4.exe Key opened \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 VirusShare_cbefadc4a88e7ed311bea0c5494479a4.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MyApp = "C:\\Users\\Admin\\AppData\\Roaming\\MyApp\\MyApp.exe" VirusShare_cbefadc4a88e7ed311bea0c5494479a4.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 35 checkip.amazonaws.com -
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language VirusShare_cbefadc4a88e7ed311bea0c5494479a4.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 184 VirusShare_cbefadc4a88e7ed311bea0c5494479a4.exe 184 VirusShare_cbefadc4a88e7ed311bea0c5494479a4.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 184 VirusShare_cbefadc4a88e7ed311bea0c5494479a4.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 184 VirusShare_cbefadc4a88e7ed311bea0c5494479a4.exe -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 VirusShare_cbefadc4a88e7ed311bea0c5494479a4.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 VirusShare_cbefadc4a88e7ed311bea0c5494479a4.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\VirusShare_cbefadc4a88e7ed311bea0c5494479a4.exe"C:\Users\Admin\AppData\Local\Temp\VirusShare_cbefadc4a88e7ed311bea0c5494479a4.exe"1⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:184
Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1