Analysis
- max time kernel
121s - max time network
124s - platform
windows7_x64 - resource
win7-20240221-en - resource tags
- submitted
12/03/2024, 08:34
General
- Target SecuriteInfo.com.W32.MSIL_Kryptik.DWR.gen.Eldorado.23180.8848.exe
- Size 652KB
- Sample240312-kge48aef73
- SHA256 18697b61ff9ba0995e8458cd944a96d0e0d75b014e76f1978a51eddec563b405
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.karthikagro.in
-
Port
587
-
Username
-
Password
Yenks@0910
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- 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 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 6 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of WriteProcessMemory 21 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.MSIL_Kryptik.DWR.gen.Eldorado.23180.8848.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.MSIL_Kryptik.DWR.gen.Eldorado.23180.8848.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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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.DWR.gen.Eldorado.23180.8848.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\FNVUjxdWAbS.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\FNVUjxdWAbS" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8E0D.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.MSIL_Kryptik.DWR.gen.Eldorado.23180.8848.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.MSIL_Kryptik.DWR.gen.Eldorado.23180.8848.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
tmp8E0D.tmp
d93f411851d7c929.customDestinations-ms
memory/320-0-0x00000000008F0000-0x000000000099A000-memory.dmp
memory/320-1-0x00000000746A0000-0x0000000074D8E000-memory.dmp
memory/320-2-0x0000000004E60000-0x0000000004EA0000-memory.dmp
memory/320-3-0x0000000000560000-0x000000000057C000-memory.dmp
memory/320-4-0x0000000000600000-0x000000000060C000-memory.dmp
memory/320-5-0x0000000000610000-0x000000000061E000-memory.dmp
memory/320-6-0x0000000004EA0000-0x0000000004F24000-memory.dmp
memory/320-33-0x00000000746A0000-0x0000000074D8E000-memory.dmp
memory/2496-29-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2496-41-0x0000000004B20000-0x0000000004B60000-memory.dmp
memory/2496-25-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2496-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2496-21-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2496-31-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2496-19-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2496-34-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2496-46-0x00000000731E0000-0x00000000738CE000-memory.dmp
memory/2496-23-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2496-45-0x0000000004B20000-0x0000000004B60000-memory.dmp
memory/2496-42-0x00000000731E0000-0x00000000738CE000-memory.dmp
memory/2536-36-0x000000006E1A0000-0x000000006E74B000-memory.dmp
memory/2536-40-0x0000000002610000-0x0000000002650000-memory.dmp
memory/2536-43-0x000000006E1A0000-0x000000006E74B000-memory.dmp
memory/2640-39-0x0000000001D30000-0x0000000001D70000-memory.dmp
memory/2640-38-0x000000006E1A0000-0x000000006E74B000-memory.dmp
memory/2640-44-0x000000006E1A0000-0x000000006E74B000-memory.dmp
memory/2640-37-0x0000000001D30000-0x0000000001D70000-memory.dmp
memory/2640-35-0x000000006E1A0000-0x000000006E74B000-memory.dmp