Analysis
- max time kernel
120s - max time network
131s - platform
windows7_x64 - resource
win7-20231215-en - resource tags
- submitted
15/01/2024, 14:07
General
- Target Draft_Bill Ladden.exe
- Size 770KB
- Sample240115-rezjeahbhm
- SHA256 435a9413255eab9eb0aa6c6439dfabdecc47785eec10aaf9a59a0619cb564cff
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.topcats.com
-
Port
587
-
Username
-
Password
SpurS21?
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.topcats.com
-
Port
587
-
Username
-
Password
SpurS21?
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- 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 use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 7 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 17 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Draft_Bill Ladden.exe"C:\Users\Admin\AppData\Local\Temp\Draft_Bill Ladden.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\aFHQwIwElFu" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8EF7.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\aFHQwIwElFu.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Users\Admin\AppData\Local\Temp\Draft_Bill Ladden.exe"C:\Users\Admin\AppData\Local\Temp\Draft_Bill Ladden.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
tmp8EF7.tmp
memory/2584-28-0x0000000074D70000-0x000000007545E000-memory.dmp
memory/2584-22-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2584-39-0x0000000004950000-0x0000000004990000-memory.dmp
memory/2584-38-0x0000000074D70000-0x000000007545E000-memory.dmp
memory/2584-26-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2584-24-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2584-29-0x0000000004950000-0x0000000004990000-memory.dmp
memory/2584-16-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2584-14-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2584-12-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2584-18-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2584-20-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2752-33-0x000000006FDC0000-0x000000007036B000-memory.dmp
memory/2752-36-0x00000000024F0000-0x0000000002530000-memory.dmp
memory/2752-32-0x000000006FDC0000-0x000000007036B000-memory.dmp
memory/2752-37-0x000000006FDC0000-0x000000007036B000-memory.dmp
memory/2752-34-0x00000000024F0000-0x0000000002530000-memory.dmp
memory/2752-35-0x00000000024F0000-0x0000000002530000-memory.dmp
memory/2868-1-0x0000000074D70000-0x000000007545E000-memory.dmp
memory/2868-6-0x000000000D310000-0x000000000D38C000-memory.dmp
memory/2868-0-0x0000000000D60000-0x0000000000E26000-memory.dmp
memory/2868-2-0x0000000004800000-0x0000000004840000-memory.dmp
memory/2868-5-0x0000000000A70000-0x0000000000A7E000-memory.dmp
memory/2868-27-0x0000000074D70000-0x000000007545E000-memory.dmp
memory/2868-4-0x0000000000A60000-0x0000000000A6A000-memory.dmp
memory/2868-3-0x0000000000A10000-0x0000000000A30000-memory.dmp