Analysis
- max time kernel
118s - max time network
119s - platform
windows7_x64 - resource
win7-20240611-en - resource tags
- submitted
20/06/2024, 01:04
General
- Target 1bd8c28a74a99cc6eb115161fca392e4dc6b424bf3ff6814f688e470209b0825.exe
- Size 960KB
- Sample240620-bfcs2azfmd
- SHA256 1bd8c28a74a99cc6eb115161fca392e4dc6b424bf3ff6814f688e470209b0825
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.groupmt.vn
-
Port
587
-
Username
-
Password
4j37SF2n8e
-
Email to
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.
- 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\1bd8c28a74a99cc6eb115161fca392e4dc6b424bf3ff6814f688e470209b0825.exe"C:\Users\Admin\AppData\Local\Temp\1bd8c28a74a99cc6eb115161fca392e4dc6b424bf3ff6814f688e470209b0825.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\1bd8c28a74a99cc6eb115161fca392e4dc6b424bf3ff6814f688e470209b0825.exe"C:\Users\Admin\AppData\Local\Temp\1bd8c28a74a99cc6eb115161fca392e4dc6b424bf3ff6814f688e470209b0825.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
memory/2204-10-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2204-22-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2204-26-0x00000000742B0000-0x000000007499E000-memory.dmp
memory/2204-25-0x00000000742B0000-0x000000007499E000-memory.dmp
memory/2204-23-0x00000000742B0000-0x000000007499E000-memory.dmp
memory/2204-9-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2204-14-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2204-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2204-12-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2204-18-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2204-20-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2300-5-0x00000000008D0000-0x00000000008DC000-memory.dmp
memory/2300-1-0x0000000000FB0000-0x00000000010A6000-memory.dmp
memory/2300-7-0x0000000005640000-0x00000000056C2000-memory.dmp
memory/2300-6-0x0000000005120000-0x00000000051B2000-memory.dmp
memory/2300-0-0x00000000742BE000-0x00000000742BF000-memory.dmp
memory/2300-24-0x00000000742B0000-0x000000007499E000-memory.dmp
memory/2300-4-0x0000000000630000-0x0000000000638000-memory.dmp
memory/2300-3-0x00000000003E0000-0x00000000003F2000-memory.dmp
memory/2300-2-0x00000000742B0000-0x000000007499E000-memory.dmp