Analysis
- max time kernel
135s - max time network
120s - platform
windows10_x64 - resource
win10v20201028 - submitted
22/01/2021, 14:35
General
- Target L9oOm9x3I7YZFcA.exe
- Size 1.1MB
- Sample210122-s7ccbv7jp6
- SHA256 b7f4f41e2140b9416ccfd8d0c89523bf774b9577302b107f8b143c5bdd3f6534
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.cefortem.cat
-
Port
587
-
Username
-
Password
Vft284Rpyn
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 8 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\L9oOm9x3I7YZFcA.exe"C:\Users\Admin\AppData\Local\Temp\L9oOm9x3I7YZFcA.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\L9oOm9x3I7YZFcA.exe"{path}"2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\L9oOm9x3I7YZFcA.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/496-13-0x0000000000400000-0x000000000043C000-memory.dmp
memory/496-23-0x0000000006120000-0x0000000006121000-memory.dmp
memory/496-22-0x0000000005640000-0x0000000005641000-memory.dmp
memory/496-21-0x0000000005660000-0x0000000005661000-memory.dmp
memory/496-16-0x0000000073430000-0x0000000073B1E000-memory.dmp
memory/4696-7-0x0000000005170000-0x0000000005171000-memory.dmp
memory/4696-11-0x0000000005280000-0x0000000005313000-memory.dmp
memory/4696-12-0x00000000053D0000-0x00000000053D1000-memory.dmp
memory/4696-10-0x000000000AB90000-0x000000000AB9E000-memory.dmp
memory/4696-9-0x0000000005060000-0x0000000005061000-memory.dmp
memory/4696-8-0x00000000050A0000-0x00000000050A1000-memory.dmp
memory/4696-2-0x0000000073430000-0x0000000073B1E000-memory.dmp
memory/4696-6-0x000000000AEF0000-0x000000000AEF1000-memory.dmp
memory/4696-5-0x0000000007600000-0x00000000076EE000-memory.dmp
memory/4696-3-0x00000000006F0000-0x00000000006F1000-memory.dmp