Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
15/01/2025, 16:49
General
- Target edf10d14260b6616cfa9316be0a377f0cc958b4ccac4492e01d75e16554e4f26.exe
- Size 768KB
- Sample250115-vbraeaylev
- SHA256 edf10d14260b6616cfa9316be0a377f0cc958b4ccac4492e01d75e16554e4f26
Malware Config
Extracted
-
Protocol
smtp
-
Host
smtp.strato.de
-
Port
587
-
Username
-
Password
Oy1)8JSu_qPx(rzV_{Xu
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
smtp.strato.de
-
Port
587
-
Username
-
Password
Oy1)8JSu_qPx(rzV_{Xu
-
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 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 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Adds Run key to start application 2 TTPs 1 IoCs
- 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 12 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\edf10d14260b6616cfa9316be0a377f0cc958b4ccac4492e01d75e16554e4f26.exe"C:\Users\Admin\AppData\Local\Temp\edf10d14260b6616cfa9316be0a377f0cc958b4ccac4492e01d75e16554e4f26.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- 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\edf10d14260b6616cfa9316be0a377f0cc958b4ccac4492e01d75e16554e4f26.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\JTptcTJSZ.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\JTptcTJSZ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp21BC.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
-
-
C:\Users\Admin\AppData\Local\Temp\edf10d14260b6616cfa9316be0a377f0cc958b4ccac4492e01d75e16554e4f26.exe"C:\Users\Admin\AppData\Local\Temp\edf10d14260b6616cfa9316be0a377f0cc958b4ccac4492e01d75e16554e4f26.exe"2⤵
- Adds Run key to start application
- 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
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
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
edf10d14260b6616cfa9316be0a377f0cc958b4ccac4492e01d75e16554e4f26.exe.log
powershell.exe.log
StartupProfileData-NonInteractive
__PSScriptPolicyTest_z1y1n04w.i3c.ps1
tmp21BC.tmp
memory/680-40-0x0000000005720000-0x0000000005A74000-memory.dmp
memory/680-33-0x00000000055B0000-0x0000000005616000-memory.dmp
memory/680-65-0x0000000075B00000-0x0000000075B4C000-memory.dmp
memory/680-51-0x0000000006160000-0x00000000061AC000-memory.dmp
memory/680-91-0x00000000752A0000-0x0000000075A50000-memory.dmp
memory/680-84-0x0000000007210000-0x0000000007218000-memory.dmp
memory/680-15-0x00000000022A0000-0x00000000022D6000-memory.dmp
memory/680-16-0x00000000752A0000-0x0000000075A50000-memory.dmp
memory/680-17-0x0000000004D70000-0x0000000005398000-memory.dmp
memory/680-18-0x00000000752A0000-0x0000000075A50000-memory.dmp
memory/680-50-0x0000000005BB0000-0x0000000005BCE000-memory.dmp
memory/680-83-0x0000000007230000-0x000000000724A000-memory.dmp
memory/680-21-0x00000000752A0000-0x0000000075A50000-memory.dmp
memory/680-77-0x0000000006F60000-0x0000000006F6A000-memory.dmp
memory/680-23-0x0000000005430000-0x0000000005452000-memory.dmp
memory/680-78-0x0000000007170000-0x0000000007206000-memory.dmp
memory/680-32-0x00000000054D0000-0x0000000005536000-memory.dmp
memory/1696-22-0x0000000000400000-0x0000000000444000-memory.dmp
memory/1696-92-0x0000000007030000-0x0000000007080000-memory.dmp
memory/2320-20-0x00000000752A0000-0x0000000075A50000-memory.dmp
memory/2320-81-0x00000000070B0000-0x00000000070BE000-memory.dmp
memory/2320-82-0x00000000070C0000-0x00000000070D4000-memory.dmp
memory/2320-79-0x0000000007080000-0x0000000007091000-memory.dmp
memory/2320-26-0x00000000752A0000-0x0000000075A50000-memory.dmp
memory/2320-90-0x00000000752A0000-0x0000000075A50000-memory.dmp
memory/2320-52-0x0000000006B10000-0x0000000006B42000-memory.dmp
memory/2320-53-0x0000000075B00000-0x0000000075B4C000-memory.dmp
memory/2320-63-0x0000000006AF0000-0x0000000006B0E000-memory.dmp
memory/2320-38-0x00000000752A0000-0x0000000075A50000-memory.dmp
memory/2320-64-0x0000000006B50000-0x0000000006BF3000-memory.dmp
memory/2320-76-0x0000000006E80000-0x0000000006E9A000-memory.dmp
memory/2320-75-0x00000000074C0000-0x0000000007B3A000-memory.dmp
memory/4964-5-0x00000000752A0000-0x0000000075A50000-memory.dmp
memory/4964-6-0x00000000084F0000-0x000000000850A000-memory.dmp
memory/4964-0-0x00000000752AE000-0x00000000752AF000-memory.dmp
memory/4964-3-0x0000000005810000-0x00000000058A2000-memory.dmp
memory/4964-4-0x00000000057E0000-0x00000000057EA000-memory.dmp
memory/4964-39-0x00000000752A0000-0x0000000075A50000-memory.dmp
memory/4964-10-0x000000000B090000-0x000000000B12C000-memory.dmp
memory/4964-2-0x0000000005DC0000-0x0000000006364000-memory.dmp
memory/4964-1-0x0000000000D20000-0x0000000000DE2000-memory.dmp
memory/4964-9-0x00000000088D0000-0x0000000008958000-memory.dmp
memory/4964-8-0x00000000752A0000-0x0000000075A50000-memory.dmp
memory/4964-7-0x00000000752AE000-0x00000000752AF000-memory.dmp