Analysis
- max time kernel
122s - max time network
123s - platform
windows7_x64 - resource
win7-20240221-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
-
agenttesla
-
Protocol
smtp
-
Host
mail.clslk.com
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Port
587
-
Username
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Password
NUZRATHinam1978
-
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.
- 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 21 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⤵
- 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\Roaming\tiucdfZoOi.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\tiucdfZoOi" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3B4C.tmp"2⤵
- Creates scheduled task(s)
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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⤵
-
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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
tmp3B4C.tmp
memory/2076-25-0x000000006E970000-0x000000006EF1B000-memory.dmp
memory/2076-23-0x00000000021E0000-0x0000000002220000-memory.dmp
memory/2076-34-0x000000006E970000-0x000000006EF1B000-memory.dmp
memory/2076-21-0x00000000021E0000-0x0000000002220000-memory.dmp
memory/2076-19-0x000000006E970000-0x000000006EF1B000-memory.dmp
memory/2444-28-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2444-32-0x0000000074620000-0x0000000074D0E000-memory.dmp
memory/2444-14-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2444-15-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2444-16-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2444-18-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2444-30-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2444-33-0x0000000004B10000-0x0000000004B50000-memory.dmp
memory/2444-36-0x0000000074620000-0x0000000074D0E000-memory.dmp
memory/2444-22-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2444-26-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2444-37-0x0000000004B10000-0x0000000004B50000-memory.dmp
memory/2944-6-0x00000000002F0000-0x0000000000372000-memory.dmp
memory/2944-31-0x0000000074620000-0x0000000074D0E000-memory.dmp
memory/2944-1-0x0000000074620000-0x0000000074D0E000-memory.dmp
memory/2944-5-0x0000000000760000-0x0000000000774000-memory.dmp
memory/2944-4-0x0000000000750000-0x000000000075E000-memory.dmp
memory/2944-3-0x00000000005F0000-0x0000000000608000-memory.dmp
memory/2944-2-0x0000000000E10000-0x0000000000E50000-memory.dmp
memory/2944-0-0x0000000001250000-0x000000000132E000-memory.dmp