Analysis
- max time kernel
141s - max time network
144s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
08/09/2022, 18:43
General
- Target SecuriteInfo.com.Win32.PWSX-gen.26378.exe
- Size 1.2MB
- Sample220908-xcw86acddl
- SHA256 fb5699f9385bb3eb377d898e906910579fcea1165ec6c189d37a310da4e079d0
Malware Config
Extracted
-
Protocol
smtp
-
Host
smtp.yandex.com
-
Port
587
-
Username
-
Password
DreamChaser
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
smtp.yandex.com
-
Port
587
-
Username
-
Password
DreamChaser
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- 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 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.26378.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.26378.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.26378.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.26378.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/3564-132-0x00000000001D0000-0x0000000000302000-memory.dmp
memory/3564-133-0x0000000005270000-0x0000000005814000-memory.dmp
memory/3564-134-0x0000000004CC0000-0x0000000004D52000-memory.dmp
memory/3564-135-0x0000000004D60000-0x0000000004D6A000-memory.dmp
memory/3564-136-0x0000000008680000-0x000000000871C000-memory.dmp
memory/3564-137-0x0000000008720000-0x0000000008786000-memory.dmp
memory/4528-139-0x0000000000400000-0x000000000043A000-memory.dmp
memory/4528-140-0x00000000067F0000-0x0000000006840000-memory.dmp