Analysis
- max time kernel
140s - max time network
141s - platform
windows7_x64 - resource
win7-en - submitted
07/09/2021, 10:36
General
- Target SCAN3000098653022131.07092021.exe
- Size 855KB
- Sample210907-mm9bcsffcm
- SHA256 eeb62d009f6218f682660a9b3e30a9af0d493102aff9d697b24212d83fdddf46
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.moseg.com.mx
-
Port
587
-
Username
-
Password
Enero2019@
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 3 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 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\SCAN3000098653022131.07092021.exe"C:\Users\Admin\AppData\Local\Temp\SCAN3000098653022131.07092021.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\SCAN3000098653022131.07092021.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/268-59-0x0000000000400000-0x000000000043C000-memory.dmp
memory/268-61-0x0000000000400000-0x000000000043C000-memory.dmp
memory/268-63-0x00000000048F0000-0x00000000048F1000-memory.dmp
memory/268-64-0x00000000048F1000-0x00000000048F2000-memory.dmp
memory/1664-52-0x0000000000CD0000-0x0000000000CD1000-memory.dmp
memory/1664-54-0x00000000004E0000-0x0000000000562000-memory.dmp
memory/1664-55-0x00000000049F0000-0x00000000049F1000-memory.dmp
memory/1664-56-0x00000000001E0000-0x00000000001EE000-memory.dmp
memory/1664-57-0x0000000004E30000-0x0000000004EC1000-memory.dmp
memory/1664-58-0x0000000000C10000-0x0000000000C5D000-memory.dmp