Analysis
- max time kernel
59s - max time network
118s - platform
windows7_x64 - resource
win7-20230621-en - resource tags
- submitted
28/06/2023, 09:15
General
- Target proforma invoice.exe
- Size 691KB
- Sample230628-k7v85agh39
- SHA256 a66814d509d2386f2dcff674de026b092a29bb4851710954496fe95fb2df8356
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.methobsindia.com
-
Port
587
-
Username
-
Password
blessing2023
-
Email to
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
- Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- 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\proforma invoice.exe"C:\Users\Admin\AppData\Local\Temp\proforma invoice.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\proforma invoice.exe"C:\Users\Admin\AppData\Local\Temp\proforma invoice.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
Cab39E8.tmp
memory/472-67-0x0000000000400000-0x0000000000430000-memory.dmp
memory/472-64-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/472-87-0x0000000000C70000-0x0000000000CB0000-memory.dmp
memory/472-70-0x0000000000C70000-0x0000000000CB0000-memory.dmp
memory/472-69-0x0000000000400000-0x0000000000430000-memory.dmp
memory/472-60-0x0000000000400000-0x0000000000430000-memory.dmp
memory/472-61-0x0000000000400000-0x0000000000430000-memory.dmp
memory/472-63-0x0000000000400000-0x0000000000430000-memory.dmp
memory/472-65-0x0000000000400000-0x0000000000430000-memory.dmp
memory/472-62-0x0000000000400000-0x0000000000430000-memory.dmp
memory/1620-56-0x0000000000390000-0x000000000039C000-memory.dmp
memory/1620-54-0x0000000000CB0000-0x0000000000D64000-memory.dmp
memory/1620-59-0x0000000004FC0000-0x000000000502A000-memory.dmp
memory/1620-58-0x0000000000400000-0x000000000040C000-memory.dmp
memory/1620-55-0x0000000004B50000-0x0000000004B90000-memory.dmp
memory/1620-57-0x0000000004B50000-0x0000000004B90000-memory.dmp