Analysis
- max time kernel
117s - max time network
118s - platform
windows7_x64 - resource
win7-20231129-en - resource tags
- submitted
04/07/2024, 04:26
General
- Target SecuriteInfo.com.W32.MSIL_Kryptik.KTU.gen.Eldorado.1680.5378.exe
- Size 959KB
- Sample240704-e2hsyswfnd
- SHA256 17877d2c03215f22bfb6cb7cd3a2b8d3cba1c17bf2f33f44163da90c67f56697
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.groupmt.vn
-
Port
587
-
Username
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Password
4j37SF2n8e
-
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.
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 6 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\SecuriteInfo.com.W32.MSIL_Kryptik.KTU.gen.Eldorado.1680.5378.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.MSIL_Kryptik.KTU.gen.Eldorado.1680.5378.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\SecuriteInfo.com.W32.MSIL_Kryptik.KTU.gen.Eldorado.1680.5378.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\NQoqVabRjxRXqg.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\NQoqVabRjxRXqg" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2FC7.tmp"2⤵
- Scheduled Task/Job: Scheduled Task
-
-
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.MSIL_Kryptik.KTU.gen.Eldorado.1680.5378.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.MSIL_Kryptik.KTU.gen.Eldorado.1680.5378.exe"2⤵
-
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C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.MSIL_Kryptik.KTU.gen.Eldorado.1680.5378.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.MSIL_Kryptik.KTU.gen.Eldorado.1680.5378.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
tmp2FC7.tmp
d93f411851d7c929.customDestinations-ms
memory/2372-4-0x0000000000530000-0x0000000000538000-memory.dmp
memory/2372-31-0x0000000074C20000-0x000000007530E000-memory.dmp
memory/2372-0-0x0000000074C2E000-0x0000000074C2F000-memory.dmp
memory/2372-5-0x00000000005B0000-0x00000000005BC000-memory.dmp
memory/2372-6-0x0000000004730000-0x00000000047B4000-memory.dmp
memory/2372-2-0x0000000074C20000-0x000000007530E000-memory.dmp
memory/2372-1-0x0000000000E90000-0x0000000000F82000-memory.dmp
memory/2372-3-0x0000000000580000-0x000000000059A000-memory.dmp
memory/2808-19-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2808-28-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2808-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2808-30-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2808-29-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2808-25-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2808-23-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2808-21-0x0000000000400000-0x0000000000442000-memory.dmp