Analysis
- max time kernel
138s - max time network
140s - platform
windows7_x64 - resource
win7-en - submitted
06/09/2021, 05:16
General
- Target INVOICE PACKINGLIST600286 600357.exe
- Size 959KB
- Sample210906-fx5ycsabd7
- SHA256 2b7b76eada5efd718343761b04df3d0910bf58a382535060d0e078736d1cedca
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.prinutrition.com
-
Port
587
-
Username
-
Password
forrest
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 3 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.
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\INVOICE PACKINGLIST600286 600357.exe"C:\Users\Admin\AppData\Local\Temp\INVOICE PACKINGLIST600286 600357.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\INVOICE PACKINGLIST600286 600357.exe"{path}"2⤵
- Drops file in Drivers directory
- 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/396-59-0x0000000000400000-0x000000000043C000-memory.dmp
memory/396-61-0x0000000000400000-0x000000000043C000-memory.dmp
memory/396-63-0x00000000046E0000-0x00000000046E1000-memory.dmp
memory/396-64-0x00000000046E1000-0x00000000046E2000-memory.dmp
memory/1080-53-0x0000000001150000-0x0000000001151000-memory.dmp
memory/1080-55-0x0000000004C70000-0x0000000004C71000-memory.dmp
memory/1080-56-0x0000000000270000-0x000000000027E000-memory.dmp
memory/1080-57-0x0000000007EF0000-0x0000000007F82000-memory.dmp
memory/1080-58-0x0000000000470000-0x00000000004BB000-memory.dmp