Analysis
- max time kernel
140s - max time network
119s - platform
windows7_x64 - resource
win7-en-20210920 - submitted
07/10/2021, 15:21
General
- Target comprobante.pdf.bat.exe
- Size 1018KB
- Sample211007-srbhsacfa4
- SHA256 b5ca0ffeec2a4b6e9b5b4f2473991cf707fd2fded928c340309bcb1bc2ea7fe5
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.luisxtorres.com
-
Port
587
-
Username
-
Password
icui4cu2@@
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 5 IoCs
- 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.
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\comprobante.pdf.bat.exe"C:\Users\Admin\AppData\Local\Temp\comprobante.pdf.bat.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\comprobante.pdf.bat.exe"C:\Users\Admin\AppData\Local\Temp\comprobante.pdf.bat.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1036-63-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1036-59-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1036-60-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1036-61-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1036-62-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1036-65-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1036-67-0x0000000004E00000-0x0000000004E01000-memory.dmp
memory/1324-55-0x0000000075661000-0x0000000075663000-memory.dmp
memory/1324-56-0x0000000004EA0000-0x0000000004EA1000-memory.dmp
memory/1324-57-0x00000000004E0000-0x00000000004F1000-memory.dmp
memory/1324-58-0x00000000045E0000-0x0000000004638000-memory.dmp
memory/1324-53-0x0000000000CB0000-0x0000000000CB1000-memory.dmp