Analysis
- max time kernel
117s - max time network
122s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
02/09/2024, 14:53
General
- Target 5474194c07b4f0b5144069d189cd55adfd2e9e8e89bbbdba6153e173a094ff42.exe
- Size 705KB
- Sample240902-r9be3atdnf
- SHA256 5474194c07b4f0b5144069d189cd55adfd2e9e8e89bbbdba6153e173a094ff42
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.alitextile.com
-
Port
587
-
Username
-
Password
Myname@321
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.alitextile.com
-
Port
587
-
Username
-
Password
Myname@321
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
- 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 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 3 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).
- System Location Discovery: System Language Discovery 1 TTPs 5 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 6 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 17 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\5474194c07b4f0b5144069d189cd55adfd2e9e8e89bbbdba6153e173a094ff42.exe"C:\Users\Admin\AppData\Local\Temp\5474194c07b4f0b5144069d189cd55adfd2e9e8e89bbbdba6153e173a094ff42.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\Local\Temp\5474194c07b4f0b5144069d189cd55adfd2e9e8e89bbbdba6153e173a094ff42.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- 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\bvPYqpQavc.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\bvPYqpQavc" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB67F.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
-
-
C:\Users\Admin\AppData\Local\Temp\5474194c07b4f0b5144069d189cd55adfd2e9e8e89bbbdba6153e173a094ff42.exe"C:\Users\Admin\AppData\Local\Temp\5474194c07b4f0b5144069d189cd55adfd2e9e8e89bbbdba6153e173a094ff42.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
3Credentials In Files
2Credentials in Registry
1Replay Monitor
Loading Replay Monitor...
Downloads
powershell.exe.log
StartupProfileData-NonInteractive
__PSScriptPolicyTest_jao5im2c.rz0.ps1
tmpB67F.tmp
memory/3852-33-0x0000000000400000-0x0000000000442000-memory.dmp
memory/3852-91-0x0000000006800000-0x0000000006850000-memory.dmp
memory/4292-36-0x0000000005700000-0x0000000005A54000-memory.dmp
memory/4292-32-0x0000000005580000-0x00000000055E6000-memory.dmp
memory/4292-74-0x0000000006DE0000-0x0000000006E83000-memory.dmp
memory/4292-65-0x0000000006B60000-0x0000000006B7E000-memory.dmp
memory/4292-52-0x0000000006BA0000-0x0000000006BD2000-memory.dmp
memory/4292-53-0x0000000071070000-0x00000000710BC000-memory.dmp
memory/4292-16-0x0000000000EC0000-0x0000000000EF6000-memory.dmp
memory/4292-18-0x0000000004D20000-0x0000000005348000-memory.dmp
memory/4292-17-0x00000000749A0000-0x0000000075150000-memory.dmp
memory/4292-19-0x00000000749A0000-0x0000000075150000-memory.dmp
memory/4292-51-0x0000000005C30000-0x0000000005C7C000-memory.dmp
memory/4292-50-0x0000000005C00000-0x0000000005C1E000-memory.dmp
memory/4292-22-0x00000000749A0000-0x0000000075150000-memory.dmp
memory/4292-90-0x00000000749A0000-0x0000000075150000-memory.dmp
memory/4292-30-0x0000000005470000-0x0000000005492000-memory.dmp
memory/4292-80-0x0000000007150000-0x000000000715E000-memory.dmp
memory/4292-31-0x0000000005510000-0x0000000005576000-memory.dmp
memory/4684-1-0x0000000000C50000-0x0000000000D00000-memory.dmp
memory/4684-0-0x00000000749AE000-0x00000000749AF000-memory.dmp
memory/4684-40-0x00000000749A0000-0x0000000075150000-memory.dmp
memory/4684-5-0x0000000005650000-0x000000000565A000-memory.dmp
memory/4684-4-0x00000000749A0000-0x0000000075150000-memory.dmp
memory/4684-7-0x00000000749AE000-0x00000000749AF000-memory.dmp
memory/4684-6-0x0000000005770000-0x000000000578A000-memory.dmp
memory/4684-11-0x00000000092D0000-0x000000000936C000-memory.dmp
memory/4684-10-0x0000000006860000-0x00000000068E4000-memory.dmp
memory/4684-2-0x0000000005C60000-0x0000000006204000-memory.dmp
memory/4684-9-0x0000000005C40000-0x0000000005C4E000-memory.dmp
memory/4684-8-0x00000000749A0000-0x0000000075150000-memory.dmp
memory/4684-3-0x00000000055A0000-0x0000000005632000-memory.dmp
memory/4824-21-0x00000000749A0000-0x0000000075150000-memory.dmp
memory/4824-77-0x0000000007790000-0x000000000779A000-memory.dmp
memory/4824-78-0x00000000079A0000-0x0000000007A36000-memory.dmp
memory/4824-79-0x0000000007920000-0x0000000007931000-memory.dmp
memory/4824-76-0x0000000007720000-0x000000000773A000-memory.dmp
memory/4824-81-0x0000000007960000-0x0000000007974000-memory.dmp
memory/4824-82-0x0000000007A60000-0x0000000007A7A000-memory.dmp
memory/4824-83-0x0000000007A40000-0x0000000007A48000-memory.dmp
memory/4824-86-0x00000000749A0000-0x0000000075150000-memory.dmp
memory/4824-75-0x0000000007D60000-0x00000000083DA000-memory.dmp
memory/4824-63-0x0000000071070000-0x00000000710BC000-memory.dmp
memory/4824-24-0x00000000749A0000-0x0000000075150000-memory.dmp
memory/4824-20-0x00000000749A0000-0x0000000075150000-memory.dmp