Analysis
- max time kernel
135s - max time network
138s - platform
windows10-2004_x64 - resource
win10v2004-en-20220113 - submitted
29/03/2022, 02:32
General
- Target Payment slip.exe
- Size 754KB
- Sample220329-c1bxxaade2
- SHA256 bbd568d64ddafd7cdcf62bb8ac92292680d8028f44461d84235db8f8e357b12c
Malware Config
Extracted
-
agenttesla
-
https://api.telegram.org/bot2134979594:AAFk4QkrlHlt2a-q-EhIoHZBbzxSH0QxiBI/sendDocument
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 1 IoCs
- 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 2 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Payment slip.exe"C:\Users\Admin\AppData\Local\Temp\Payment slip.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\Payment slip.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
Payment slip.exe.log
memory/1076-137-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1076-139-0x00000000060B0000-0x0000000006116000-memory.dmp
memory/1076-140-0x0000000006220000-0x0000000006270000-memory.dmp
memory/1160-130-0x0000000000C40000-0x0000000000D06000-memory.dmp
memory/1160-131-0x0000000005570000-0x000000000560C000-memory.dmp
memory/1160-132-0x0000000005C70000-0x0000000006214000-memory.dmp
memory/1160-133-0x0000000005610000-0x00000000056A2000-memory.dmp
memory/1160-134-0x00000000057E0000-0x00000000057EA000-memory.dmp
memory/1160-135-0x0000000005970000-0x00000000059C6000-memory.dmp