Analysis
- max time kernel
72s - max time network
75s - platform
windows7_x64 - resource
win7-20230703-en - resource tags
- submitted
05/07/2023, 10:31
General
- Target acfcd52f757d0f4526e651d7823f1d0eb93a37843b44d56c5b2f7f4a9edfd0b9.exe
- Size 776KB
- Sample230705-mkc55sbe92
- SHA256 acfcd52f757d0f4526e651d7823f1d0eb93a37843b44d56c5b2f7f4a9edfd0b9
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
us2.smtp.mailhostbox.com
-
Port
587
-
Username
-
Password
!Gphfth8
-
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
- 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\acfcd52f757d0f4526e651d7823f1d0eb93a37843b44d56c5b2f7f4a9edfd0b9.exe"C:\Users\Admin\AppData\Local\Temp\acfcd52f757d0f4526e651d7823f1d0eb93a37843b44d56c5b2f7f4a9edfd0b9.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\acfcd52f757d0f4526e651d7823f1d0eb93a37843b44d56c5b2f7f4a9edfd0b9.exe"C:\Users\Admin\AppData\Local\Temp\acfcd52f757d0f4526e651d7823f1d0eb93a37843b44d56c5b2f7f4a9edfd0b9.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/2156-66-0x0000000000400000-0x0000000000430000-memory.dmp
memory/2156-68-0x0000000000400000-0x0000000000430000-memory.dmp
memory/2156-72-0x0000000004AB0000-0x0000000004AF0000-memory.dmp
memory/2156-71-0x0000000004AB0000-0x0000000004AF0000-memory.dmp
memory/2156-70-0x0000000000400000-0x0000000000430000-memory.dmp
memory/2156-63-0x0000000000400000-0x0000000000430000-memory.dmp
memory/2156-65-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2156-61-0x0000000000400000-0x0000000000430000-memory.dmp
memory/2156-62-0x0000000000400000-0x0000000000430000-memory.dmp
memory/2156-64-0x0000000000400000-0x0000000000430000-memory.dmp
memory/2412-55-0x0000000000FC0000-0x0000000001000000-memory.dmp
memory/2412-60-0x00000000049B0000-0x00000000049E4000-memory.dmp
memory/2412-54-0x0000000001020000-0x00000000010E8000-memory.dmp
memory/2412-59-0x00000000053E0000-0x000000000544A000-memory.dmp
memory/2412-58-0x0000000000280000-0x000000000028C000-memory.dmp
memory/2412-57-0x0000000000FC0000-0x0000000001000000-memory.dmp
memory/2412-56-0x00000000005D0000-0x00000000005E2000-memory.dmp