Analysis
- max time kernel
148s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20240412-en - resource tags
- submitted
18/04/2024, 04:24
General
- Target SecuriteInfo.com.PWSX-gen.32561.14552.exe
- Size 876KB
- Sample240418-e1d4daah55
- SHA256 30e181e98cb75e4324746fd2d27fcc9987a51dfd0182b45eab54781df26c1d33
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.clslk.com
-
Port
587
-
Username
-
Password
NUZRATHinam1978
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.clslk.com
-
Port
587
-
Username
-
Password
NUZRATHinam1978
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- 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.
- Adds Run key to start application 2 TTPs 1 IoCs
- 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 WriteProcessMemory 14 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.PWSX-gen.32561.14552.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.PWSX-gen.32561.14552.exe"1⤵
- Checks computer location settings
- 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\Roaming\tiucdfZoOi.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\tiucdfZoOi" /XML "C:\Users\Admin\AppData\Local\Temp\tmp929B.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.PWSX-gen.32561.14552.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.PWSX-gen.32561.14552.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Replay Monitor
Loading Replay Monitor...
Downloads
__PSScriptPolicyTest_te4jliy0.fpr.ps1
tmp929B.tmp
memory/1828-56-0x0000000006960000-0x00000000069B0000-memory.dmp
memory/1828-25-0x0000000005A50000-0x0000000005AB6000-memory.dmp
memory/1828-71-0x00000000059D0000-0x00000000059E0000-memory.dmp
memory/1828-70-0x0000000074D80000-0x0000000075530000-memory.dmp
memory/1828-19-0x0000000000400000-0x0000000000442000-memory.dmp
memory/1828-24-0x0000000074D80000-0x0000000075530000-memory.dmp
memory/1828-26-0x00000000059D0000-0x00000000059E0000-memory.dmp
memory/3232-20-0x0000000002450000-0x0000000002460000-memory.dmp
memory/3232-60-0x0000000007050000-0x000000000705A000-memory.dmp
memory/3232-69-0x0000000074D80000-0x0000000075530000-memory.dmp
memory/3232-15-0x0000000002390000-0x00000000023C6000-memory.dmp
memory/3232-17-0x0000000074D80000-0x0000000075530000-memory.dmp
memory/3232-18-0x0000000002450000-0x0000000002460000-memory.dmp
memory/3232-39-0x0000000005CD0000-0x0000000005CEE000-memory.dmp
memory/3232-21-0x0000000004E40000-0x0000000005468000-memory.dmp
memory/3232-38-0x0000000005810000-0x0000000005B64000-memory.dmp
memory/3232-66-0x0000000007300000-0x0000000007308000-memory.dmp
memory/3232-65-0x0000000007320000-0x000000000733A000-memory.dmp
memory/3232-64-0x0000000007220000-0x0000000007234000-memory.dmp
memory/3232-63-0x0000000007210000-0x000000000721E000-memory.dmp
memory/3232-27-0x0000000004D20000-0x0000000004D42000-memory.dmp
memory/3232-28-0x0000000004DC0000-0x0000000004E26000-memory.dmp
memory/3232-62-0x00000000071E0000-0x00000000071F1000-memory.dmp
memory/3232-61-0x0000000007260000-0x00000000072F6000-memory.dmp
memory/3232-59-0x0000000006FE0000-0x0000000006FFA000-memory.dmp
memory/3232-40-0x0000000005D00000-0x0000000005D4C000-memory.dmp
memory/3232-42-0x0000000002450000-0x0000000002460000-memory.dmp
memory/3232-45-0x0000000070A00000-0x0000000070A4C000-memory.dmp
memory/3232-44-0x0000000006E70000-0x0000000006EA2000-memory.dmp
memory/3232-43-0x000000007F350000-0x000000007F360000-memory.dmp
memory/3232-55-0x0000000006280000-0x000000000629E000-memory.dmp
memory/3232-58-0x0000000007620000-0x0000000007C9A000-memory.dmp
memory/3232-57-0x0000000006EB0000-0x0000000006F53000-memory.dmp
memory/4488-0-0x0000000074D80000-0x0000000075530000-memory.dmp
memory/4488-6-0x0000000005650000-0x00000000056EC000-memory.dmp
memory/4488-10-0x0000000009070000-0x00000000090F2000-memory.dmp
memory/4488-1-0x0000000000910000-0x00000000009EE000-memory.dmp
memory/4488-3-0x00000000053B0000-0x0000000005442000-memory.dmp
memory/4488-7-0x0000000006680000-0x0000000006698000-memory.dmp
memory/4488-8-0x0000000005A50000-0x0000000005A5E000-memory.dmp
memory/4488-9-0x00000000066A0000-0x00000000066B4000-memory.dmp
memory/4488-23-0x0000000074D80000-0x0000000075530000-memory.dmp
memory/4488-2-0x0000000005A60000-0x0000000006004000-memory.dmp
memory/4488-5-0x0000000005470000-0x000000000547A000-memory.dmp
memory/4488-4-0x00000000055A0000-0x00000000055B0000-memory.dmp