Analysis
- max time kernel
124s - max time network
103s - platform
windows10_x64 - resource
win10v20201028 - submitted
07/04/2021, 05:05
General
- Target PO #367459.pdf.exe
- Size 709KB
- Sample210407-aarlzvrclx
- SHA256 5e58173d37084f62fe59bf6859dea01e244325b7ff0a4acaa7395a58a36efc9a
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
smtp.vivaldi.net
-
Port
587
-
Username
-
Password
858540506070
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 2 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.
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\PO #367459.pdf.exe"C:\Users\Admin\AppData\Local\Temp\PO #367459.pdf.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\PO #367459.pdf.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/644-7-0x0000000005810000-0x0000000005811000-memory.dmp
memory/644-12-0x000000000B790000-0x000000000B7F4000-memory.dmp
memory/644-6-0x0000000005760000-0x0000000005761000-memory.dmp
memory/644-2-0x0000000073FF0000-0x00000000746DE000-memory.dmp
memory/644-8-0x0000000005750000-0x0000000005751000-memory.dmp
memory/644-9-0x0000000005D30000-0x0000000005D35000-memory.dmp
memory/644-10-0x0000000007420000-0x0000000007421000-memory.dmp
memory/644-11-0x00000000090E0000-0x0000000009182000-memory.dmp
memory/644-5-0x0000000005D40000-0x0000000005D41000-memory.dmp
memory/644-3-0x0000000000E80000-0x0000000000E81000-memory.dmp
memory/1372-13-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1372-16-0x0000000073FF0000-0x00000000746DE000-memory.dmp
memory/1372-21-0x0000000005090000-0x0000000005091000-memory.dmp
memory/1372-22-0x0000000005640000-0x0000000005641000-memory.dmp
memory/1372-23-0x0000000005E20000-0x0000000005E21000-memory.dmp
memory/1372-26-0x0000000005091000-0x0000000005092000-memory.dmp