Analysis
- max time kernel
118s - max time network
118s - platform
windows7_x64 - resource
win7-20240419-en - resource tags
- submitted
04/06/2024, 01:02
General
- Target 1191d3f484d35c7e4d42ac7bcdd2227930f848383873d914e8010bfe637e0122.exe
- Size 681KB
- Sample240604-bd3lnsff5x
- SHA256 1191d3f484d35c7e4d42ac7bcdd2227930f848383873d914e8010bfe637e0122
Malware Config
Extracted
-
agenttesla
-
Protocol
ftp
-
Host
ftp://cash4cars.nz
-
Port
21
-
Username
-
Password
-[([pqM~nGA4
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Detect packed .NET executables. Mostly AgentTeslaV4. 5 IoCs
- Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 5 IoCs
- Detects executables packed with SmartAssembly 1 IoCs
- Detects executables referencing Windows vault credential objects. Observed in infostealers 5 IoCs
- Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 5 IoCs
- Detects executables referencing many email and collaboration clients. Observed in information stealers 5 IoCs
- Detects executables referencing many file transfer clients. Observed in information stealers 5 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 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- 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\1191d3f484d35c7e4d42ac7bcdd2227930f848383873d914e8010bfe637e0122.exe"C:\Users\Admin\AppData\Local\Temp\1191d3f484d35c7e4d42ac7bcdd2227930f848383873d914e8010bfe637e0122.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\1191d3f484d35c7e4d42ac7bcdd2227930f848383873d914e8010bfe637e0122.exe"C:\Users\Admin\AppData\Local\Temp\1191d3f484d35c7e4d42ac7bcdd2227930f848383873d914e8010bfe637e0122.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
memory/1792-11-0x0000000000400000-0x0000000000440000-memory.dmp
memory/1792-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/1792-25-0x0000000074590000-0x0000000074C7E000-memory.dmp
memory/1792-19-0x0000000000400000-0x0000000000440000-memory.dmp
memory/1792-24-0x0000000074590000-0x0000000074C7E000-memory.dmp
memory/1792-22-0x0000000074590000-0x0000000074C7E000-memory.dmp
memory/1792-9-0x0000000000400000-0x0000000000440000-memory.dmp
memory/1792-7-0x0000000000400000-0x0000000000440000-memory.dmp
memory/1792-21-0x0000000000400000-0x0000000000440000-memory.dmp
memory/1792-17-0x0000000000400000-0x0000000000440000-memory.dmp
memory/1792-13-0x0000000000400000-0x0000000000440000-memory.dmp
memory/2068-3-0x00000000009F0000-0x0000000000A0E000-memory.dmp
memory/2068-0-0x000000007459E000-0x000000007459F000-memory.dmp
memory/2068-1-0x0000000000C50000-0x0000000000D00000-memory.dmp
memory/2068-6-0x0000000005D10000-0x0000000005D92000-memory.dmp
memory/2068-5-0x0000000000C20000-0x0000000000C36000-memory.dmp
memory/2068-23-0x0000000074590000-0x0000000074C7E000-memory.dmp
memory/2068-4-0x0000000000B20000-0x0000000000B30000-memory.dmp
memory/2068-2-0x0000000074590000-0x0000000074C7E000-memory.dmp