Analysis
- max time kernel
122s - max time network
126s - platform
windows7_x64 - resource
win7-20240903-en - resource tags
- submitted
10/01/2025, 14:08
General
- Target e37912d2a69722ef19ff3567bae3a77b9bdfc2cbb52617b618ede211fa5bb0bc.exe
- Size 809KB
- Sample250110-rfkrmswmcw
- SHA256 e37912d2a69722ef19ff3567bae3a77b9bdfc2cbb52617b618ede211fa5bb0bc
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.apexrnun.com
-
Port
587
-
Username
-
Password
%qroUozO;(C2Rlyb
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Agenttesla family
- Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
- 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 3 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).
- System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 3 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 13 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\e37912d2a69722ef19ff3567bae3a77b9bdfc2cbb52617b618ede211fa5bb0bc.exe"C:\Users\Admin\AppData\Local\Temp\e37912d2a69722ef19ff3567bae3a77b9bdfc2cbb52617b618ede211fa5bb0bc.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\e37912d2a69722ef19ff3567bae3a77b9bdfc2cbb52617b618ede211fa5bb0bc.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Users\Admin\AppData\Local\Temp\e37912d2a69722ef19ff3567bae3a77b9bdfc2cbb52617b618ede211fa5bb0bc.exe"C:\Users\Admin\AppData\Local\Temp\e37912d2a69722ef19ff3567bae3a77b9bdfc2cbb52617b618ede211fa5bb0bc.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v15
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
4Credentials In Files
3Credentials in Registry
1Replay Monitor
Loading Replay Monitor...
Downloads
memory/1856-0-0x000000007489E000-0x000000007489F000-memory.dmp
memory/1856-1-0x0000000001090000-0x0000000001160000-memory.dmp
memory/1856-2-0x0000000074890000-0x0000000074F7E000-memory.dmp
memory/1856-3-0x0000000000410000-0x0000000000428000-memory.dmp
memory/1856-4-0x000000007489E000-0x000000007489F000-memory.dmp
memory/1856-5-0x0000000074890000-0x0000000074F7E000-memory.dmp
memory/1856-6-0x0000000004F70000-0x0000000004FF4000-memory.dmp
memory/1856-22-0x0000000074890000-0x0000000074F7E000-memory.dmp
memory/2996-20-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2996-18-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2996-16-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2996-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2996-12-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2996-11-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2996-9-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2996-7-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2996-23-0x0000000074890000-0x0000000074F7E000-memory.dmp
memory/2996-21-0x0000000074890000-0x0000000074F7E000-memory.dmp
memory/2996-26-0x0000000074890000-0x0000000074F7E000-memory.dmp