Analysis
- max time kernel
140s - max time network
142s - platform
windows10-2004_x64 - resource
win10v2004-20250129-en - resource tags
- submitted
06/02/2025, 11:41
General
- Target mkpqinNsdyZVA15.exe
- Size 835KB
- Sample250206-nthyestnbx
- SHA256 3f700fd41c6cca501d50cc2f62afd8e0d951efc1a918aa65ab3e84ee563ff1d6
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.pgsu.co.id
-
Port
587
-
Username
-
Password
Vecls16@Vezs
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.pgsu.co.id
-
Port
587
-
Username
-
Password
Vecls16@Vezs
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Agenttesla family
- Command and Scripting Interpreter: PowerShell 1 TTPs 1 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 3 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).
- System Location Discovery: System Language Discovery 1 TTPs 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- 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 4 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 14 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\mkpqinNsdyZVA15.exe"C:\Users\Admin\AppData\Local\Temp\mkpqinNsdyZVA15.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- 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\wSssDImNr.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\wSssDImNr" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC9E7.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
-
-
C:\Users\Admin\AppData\Local\Temp\mkpqinNsdyZVA15.exe"C:\Users\Admin\AppData\Local\Temp\mkpqinNsdyZVA15.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
4Credentials In Files
3Credentials in Registry
1Replay Monitor
Loading Replay Monitor...
Downloads
__PSScriptPolicyTest_mntqp4gd.gz3.ps1
tmpC9E7.tmp
memory/4060-70-0x0000000074FD0000-0x0000000075780000-memory.dmp
memory/4060-56-0x0000000006040000-0x0000000006090000-memory.dmp
memory/4060-30-0x0000000074FD0000-0x0000000075780000-memory.dmp
memory/4060-26-0x0000000074FD0000-0x0000000075780000-memory.dmp
memory/4060-23-0x0000000000400000-0x0000000000440000-memory.dmp
memory/4768-55-0x00000000062F0000-0x000000000630E000-memory.dmp
memory/4768-31-0x0000000005740000-0x0000000005A94000-memory.dmp
memory/4768-69-0x0000000074FD0000-0x0000000075780000-memory.dmp
memory/4768-66-0x00000000073A0000-0x00000000073A8000-memory.dmp
memory/4768-65-0x00000000073C0000-0x00000000073DA000-memory.dmp
memory/4768-64-0x00000000072C0000-0x00000000072D4000-memory.dmp
memory/4768-63-0x00000000072B0000-0x00000000072BE000-memory.dmp
memory/4768-18-0x0000000004820000-0x0000000004856000-memory.dmp
memory/4768-62-0x0000000007280000-0x0000000007291000-memory.dmp
memory/4768-20-0x0000000074FD0000-0x0000000075780000-memory.dmp
memory/4768-21-0x0000000004EC0000-0x00000000054E8000-memory.dmp
memory/4768-22-0x0000000074FD0000-0x0000000075780000-memory.dmp
memory/4768-61-0x0000000007300000-0x0000000007396000-memory.dmp
memory/4768-24-0x0000000074FD0000-0x0000000075780000-memory.dmp
memory/4768-60-0x00000000070F0000-0x00000000070FA000-memory.dmp
memory/4768-29-0x00000000055D0000-0x0000000005636000-memory.dmp
memory/4768-28-0x00000000054F0000-0x0000000005556000-memory.dmp
memory/4768-27-0x0000000004C90000-0x0000000004CB2000-memory.dmp
memory/4768-59-0x0000000007080000-0x000000000709A000-memory.dmp
memory/4768-58-0x00000000076C0000-0x0000000007D3A000-memory.dmp
memory/4768-57-0x0000000006D50000-0x0000000006DF3000-memory.dmp
memory/4768-45-0x0000000075880000-0x00000000758CC000-memory.dmp
memory/4768-42-0x0000000005D60000-0x0000000005D7E000-memory.dmp
memory/4768-43-0x0000000005DF0000-0x0000000005E3C000-memory.dmp
memory/4768-44-0x0000000006320000-0x0000000006352000-memory.dmp
memory/4824-5-0x0000000074FD0000-0x0000000075780000-memory.dmp
memory/4824-12-0x0000000004DF0000-0x0000000004E72000-memory.dmp
memory/4824-2-0x0000000005A70000-0x0000000006014000-memory.dmp
memory/4824-3-0x00000000053A0000-0x0000000005432000-memory.dmp
memory/4824-8-0x0000000074FD0000-0x0000000075780000-memory.dmp
memory/4824-4-0x0000000005460000-0x000000000546A000-memory.dmp
memory/4824-0-0x0000000074FDE000-0x0000000074FDF000-memory.dmp
memory/4824-7-0x0000000074FDE000-0x0000000074FDF000-memory.dmp
memory/4824-32-0x0000000074FD0000-0x0000000075780000-memory.dmp
memory/4824-13-0x000000000C080000-0x000000000C11C000-memory.dmp
memory/4824-6-0x0000000005A20000-0x0000000005A38000-memory.dmp
memory/4824-11-0x0000000008ED0000-0x0000000008F5C000-memory.dmp
memory/4824-10-0x00000000067D0000-0x00000000067E4000-memory.dmp
memory/4824-9-0x0000000005A60000-0x0000000005A6E000-memory.dmp
memory/4824-1-0x0000000000A20000-0x0000000000AF8000-memory.dmp