Analysis
- max time kernel
92s - max time network
122s - platform
windows10-2004_x64 - resource
win10v2004-20240426-en - resource tags
- submitted
27/05/2024, 17:19
General
- Target Sy3CL61n0uDC55M.exe
- Size 781KB
- Sample240527-vvtvmsbd4s
- SHA256 f95c4cfa4575ecce08ce137d4fa5ede9fd4356814c770120dfea81d1e3ed157f
Malware Config
Extracted
-
Protocol
smtp
-
Host
zqamcx.com
-
Port
587
-
Username
-
Password
Methodman991
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
zqamcx.com
-
Port
587
-
Username
-
Password
Methodman991
-
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.
- 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.
- 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 9 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 17 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Sy3CL61n0uDC55M.exe"C:\Users\Admin\AppData\Local\Temp\Sy3CL61n0uDC55M.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\Local\Temp\Sy3CL61n0uDC55M.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\dJlGycWPOpq.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\dJlGycWPOpq" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7177.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\Sy3CL61n0uDC55M.exe"C:\Users\Admin\AppData\Local\Temp\Sy3CL61n0uDC55M.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
powershell.exe.log
StartupProfileData-NonInteractive
__PSScriptPolicyTest_tce5nkm2.k1k.ps1
tmp7177.tmp
memory/1348-4-0x0000000004E30000-0x0000000004E3A000-memory.dmp
memory/1348-5-0x0000000074530000-0x0000000074CE0000-memory.dmp
memory/1348-6-0x0000000005290000-0x00000000052A6000-memory.dmp
memory/1348-7-0x00000000052C0000-0x00000000052CC000-memory.dmp
memory/1348-8-0x00000000052D0000-0x00000000052E0000-memory.dmp
memory/1348-9-0x0000000006140000-0x00000000061C4000-memory.dmp
memory/1348-10-0x0000000008770000-0x000000000880C000-memory.dmp
memory/1348-3-0x0000000004D80000-0x0000000004E12000-memory.dmp
memory/1348-2-0x0000000005330000-0x00000000058D4000-memory.dmp
memory/1348-44-0x0000000074530000-0x0000000074CE0000-memory.dmp
memory/1348-0-0x000000007453E000-0x000000007453F000-memory.dmp
memory/1348-1-0x0000000000400000-0x00000000004C4000-memory.dmp
memory/1444-24-0x0000000074530000-0x0000000074CE0000-memory.dmp
memory/1444-82-0x0000000007010000-0x0000000007018000-memory.dmp
memory/1444-23-0x00000000053A0000-0x0000000005406000-memory.dmp
memory/1444-89-0x0000000074530000-0x0000000074CE0000-memory.dmp
memory/1444-15-0x0000000004440000-0x0000000004476000-memory.dmp
memory/1444-16-0x0000000004BC0000-0x00000000051E8000-memory.dmp
memory/1444-22-0x0000000004B20000-0x0000000004B86000-memory.dmp
memory/1444-21-0x0000000004A40000-0x0000000004A62000-memory.dmp
memory/1444-18-0x0000000074530000-0x0000000074CE0000-memory.dmp
memory/1444-62-0x0000000070C00000-0x0000000070C4C000-memory.dmp
memory/1444-17-0x0000000074530000-0x0000000074CE0000-memory.dmp
memory/1444-81-0x0000000007030000-0x000000000704A000-memory.dmp
memory/1444-80-0x0000000006F30000-0x0000000006F44000-memory.dmp
memory/1444-79-0x0000000006F20000-0x0000000006F2E000-memory.dmp
memory/1444-74-0x0000000007340000-0x00000000079BA000-memory.dmp
memory/1444-25-0x0000000005410000-0x0000000005764000-memory.dmp
memory/1444-75-0x0000000006CF0000-0x0000000006D0A000-memory.dmp
memory/1720-71-0x0000000006EA0000-0x0000000006EBE000-memory.dmp
memory/1720-49-0x0000000006900000-0x000000000691E000-memory.dmp
memory/1720-73-0x0000000007AF0000-0x0000000007B93000-memory.dmp
memory/1720-76-0x0000000007CA0000-0x0000000007CAA000-memory.dmp
memory/1720-77-0x0000000007EA0000-0x0000000007F36000-memory.dmp
memory/1720-78-0x0000000007E20000-0x0000000007E31000-memory.dmp
memory/1720-52-0x0000000070C00000-0x0000000070C4C000-memory.dmp
memory/1720-51-0x0000000006EC0000-0x0000000006EF2000-memory.dmp
memory/1720-50-0x0000000006930000-0x000000000697C000-memory.dmp
memory/1720-43-0x0000000074530000-0x0000000074CE0000-memory.dmp
memory/1720-90-0x0000000074530000-0x0000000074CE0000-memory.dmp
memory/1720-27-0x0000000074530000-0x0000000074CE0000-memory.dmp
memory/1720-19-0x0000000074530000-0x0000000074CE0000-memory.dmp
memory/4340-26-0x0000000000400000-0x0000000000442000-memory.dmp
memory/4340-83-0x0000000006330000-0x0000000006380000-memory.dmp