Analysis
- max time kernel
122s - max time network
124s - platform
windows7_x64 - resource
win7-20240508-en - resource tags
- submitted
18/05/2024, 08:21
General
- Target 737d6ccf608a12eee75a0451b10b982db7406a3930b07039103e64802b3e9bbd.exe
- Size 852KB
- Sample240518-j82a4abe2x
- SHA256 737d6ccf608a12eee75a0451b10b982db7406a3930b07039103e64802b3e9bbd
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
smtp.yandex.com
-
Port
587
-
Username
-
Password
ifeanyi@12
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Command and Scripting Interpreter: PowerShell 1 TTPs 2 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 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
- 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 8 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 25 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\737d6ccf608a12eee75a0451b10b982db7406a3930b07039103e64802b3e9bbd.exe"C:\Users\Admin\AppData\Local\Temp\737d6ccf608a12eee75a0451b10b982db7406a3930b07039103e64802b3e9bbd.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- 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\737d6ccf608a12eee75a0451b10b982db7406a3930b07039103e64802b3e9bbd.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\CbRuDkAHPqI.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\CbRuDkAHPqI" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4B81.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\737d6ccf608a12eee75a0451b10b982db7406a3930b07039103e64802b3e9bbd.exe"C:\Users\Admin\AppData\Local\Temp\737d6ccf608a12eee75a0451b10b982db7406a3930b07039103e64802b3e9bbd.exe"2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\737d6ccf608a12eee75a0451b10b982db7406a3930b07039103e64802b3e9bbd.exe"C:\Users\Admin\AppData\Local\Temp\737d6ccf608a12eee75a0451b10b982db7406a3930b07039103e64802b3e9bbd.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
tmp4B81.tmp
d93f411851d7c929.customDestinations-ms
memory/1700-3-0x0000000004BA0000-0x0000000004C44000-memory.dmp
memory/1700-32-0x00000000747A0000-0x0000000074E8E000-memory.dmp
memory/1700-1-0x0000000001110000-0x00000000011EC000-memory.dmp
memory/1700-5-0x0000000000650000-0x0000000000660000-memory.dmp
memory/1700-6-0x0000000005380000-0x0000000005402000-memory.dmp
memory/1700-2-0x00000000747A0000-0x0000000074E8E000-memory.dmp
memory/1700-0-0x00000000747AE000-0x00000000747AF000-memory.dmp
memory/1700-4-0x0000000000570000-0x000000000058E000-memory.dmp
memory/2728-31-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2728-28-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2728-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2728-25-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2728-23-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2728-21-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2728-19-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2728-29-0x0000000000400000-0x0000000000442000-memory.dmp