Analysis
- max time kernel
122s - max time network
123s - platform
windows10_x64 - resource
win10 - submitted
21/09/2020, 14:34
General
- Target DOCUMENT.EXE
- Size 386KB
- Sample200921-5plp9k124a
- SHA256 08bc4182b069e340070eeba2bafd0d13839b48612ea37cd8460caf1e93a497f3
Malware Config
Extracted
-
agenttesla
-
https://api.telegram.org/bot1322106191:AAGoaj8IN2EVq04d4Li203CgTdZENcKYgV4/sendDocument
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 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.
- Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\DOCUMENT.EXE"C:\Users\Admin\AppData\Local\Temp\DOCUMENT.EXE"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/3908-0-0x00000000734A0000-0x0000000073B8E000-memory.dmp
memory/3908-1-0x0000000000980000-0x0000000000981000-memory.dmp
memory/3908-3-0x0000000007B60000-0x0000000007B61000-memory.dmp
memory/3908-4-0x0000000007700000-0x0000000007701000-memory.dmp
memory/3908-5-0x00000000076F0000-0x00000000076F1000-memory.dmp
memory/3908-6-0x00000000091A0000-0x00000000091C8000-memory.dmp
memory/3908-7-0x00000000092F0000-0x0000000009326000-memory.dmp
memory/3908-8-0x0000000005380000-0x0000000005381000-memory.dmp
memory/3908-11-0x00000000052E0000-0x00000000052E1000-memory.dmp
memory/3908-12-0x0000000005610000-0x0000000005611000-memory.dmp