Analysis
- max time kernel
65s - max time network
48s - platform
windows7_x64 - resource
win7-20220414-en - submitted
06/06/2022, 12:52
General
- Target blessed.exe
- Size 617KB
- Sample220606-p3284agcd3
- SHA256 683fcdb3fba783c37005aa82c2a83d694e21326d11c3c3ce2a4ee9815c23638b
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.speedlineug.com
-
Port
587
-
Username
-
Password
Speedline555
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Drops file in Drivers directory 1 IoCs
- 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 9 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\blessed.exe"C:\Users\Admin\AppData\Local\Temp\blessed.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\blessed.exe"{path}"2⤵
- Drops file in Drivers directory
- 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/1044-54-0x0000000000D00000-0x0000000000DA0000-memory.dmp
memory/1044-55-0x0000000075441000-0x0000000075443000-memory.dmp
memory/1044-56-0x00000000003C0000-0x00000000003CA000-memory.dmp
memory/1044-57-0x0000000005670000-0x00000000056F2000-memory.dmp
memory/1044-58-0x0000000000750000-0x000000000078A000-memory.dmp
memory/1304-59-0x0000000000400000-0x000000000043A000-memory.dmp
memory/1304-60-0x0000000000400000-0x000000000043A000-memory.dmp
memory/1304-62-0x0000000000400000-0x000000000043A000-memory.dmp
memory/1304-63-0x0000000000400000-0x000000000043A000-memory.dmp
memory/1304-64-0x0000000000400000-0x000000000043A000-memory.dmp
memory/1304-67-0x0000000000400000-0x000000000043A000-memory.dmp
memory/1304-69-0x0000000000400000-0x000000000043A000-memory.dmp