Analysis
- max time kernel
149s - max time network
54s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
20/06/2024, 01:03
General
- Target 0f332fd82cac206ac5ad266b95ec432b85b285317709ea00ee5f31648a1fc512.exe
- Size 720KB
- Sample240620-belpjsvblm
- SHA256 0f332fd82cac206ac5ad266b95ec432b85b285317709ea00ee5f31648a1fc512
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
smtp.brianberrills-ie.com
-
Port
587
-
Username
-
Password
k)(yecz3
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs
- Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs
- Detects executables packed with SmartAssembly 1 IoCs
- Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs
- Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 1 IoCs
- Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs
- Detects executables referencing many file transfer clients. Observed in information stealers 1 IoCs
- Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
- 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 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\0f332fd82cac206ac5ad266b95ec432b85b285317709ea00ee5f31648a1fc512.exe"C:\Users\Admin\AppData\Local\Temp\0f332fd82cac206ac5ad266b95ec432b85b285317709ea00ee5f31648a1fc512.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
memory/1416-0-0x00007FF816413000-0x00007FF816415000-memory.dmp
memory/1416-1-0x0000000000AE0000-0x0000000000B98000-memory.dmp
memory/1416-2-0x000000001CC50000-0x000000001D178000-memory.dmp
memory/1416-3-0x00007FF816410000-0x00007FF816ED1000-memory.dmp
memory/1416-4-0x000000001CC20000-0x000000001CC44000-memory.dmp
memory/1416-5-0x000000001D880000-0x000000001D896000-memory.dmp
memory/1416-6-0x00000000036D0000-0x00000000036E4000-memory.dmp
memory/1416-7-0x000000001F1B0000-0x000000001F230000-memory.dmp
memory/1416-8-0x000000001FA30000-0x000000001FA70000-memory.dmp
memory/1416-9-0x00007FF816413000-0x00007FF816415000-memory.dmp
memory/1416-10-0x00007FF816410000-0x00007FF816ED1000-memory.dmp
memory/1416-11-0x0000000022E70000-0x0000000022EC0000-memory.dmp