Analysis
- max time kernel
150s - max time network
110s - platform
windows10_x64 - resource
win10v20201028 - submitted
05/11/2020, 19:07
General
- Target BBVA-Giro-00129283009.exe
- Size 597KB
- Sample201105-e3pfdj88es
- SHA256 2ee7df5c51dfb513822dcac9c5cdc1bac93aab89c632ad7defef8dea9f93fb4f
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.chefoowork.com
-
Port
587
-
Username
-
Password
Y7VNF*Q[OKK,
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\BBVA-Giro-00129283009.exe"C:\Users\Admin\AppData\Local\Temp\BBVA-Giro-00129283009.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\BBVA-Giro-00129283009.exe"C:\Users\Admin\AppData\Local\Temp\BBVA-Giro-00129283009.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/3824-11-0x0000000000400000-0x000000000043C000-memory.dmp
memory/3824-20-0x0000000006140000-0x0000000006141000-memory.dmp
memory/3824-19-0x00000000060B0000-0x00000000060B1000-memory.dmp
memory/3824-14-0x0000000073920000-0x000000007400E000-memory.dmp
memory/3984-5-0x0000000004F20000-0x0000000004F21000-memory.dmp
memory/3984-8-0x0000000004E10000-0x0000000004E1B000-memory.dmp
memory/3984-9-0x0000000005C50000-0x0000000005CBA000-memory.dmp
memory/3984-10-0x0000000005CD0000-0x0000000005D09000-memory.dmp
memory/3984-7-0x00000000050F0000-0x00000000050F1000-memory.dmp
memory/3984-6-0x0000000004DF0000-0x0000000004DF1000-memory.dmp
memory/3984-0-0x0000000073920000-0x000000007400E000-memory.dmp
memory/3984-4-0x0000000005420000-0x0000000005421000-memory.dmp
memory/3984-3-0x0000000004E80000-0x0000000004E81000-memory.dmp
memory/3984-1-0x0000000000400000-0x0000000000401000-memory.dmp