Analysis
- max time kernel
107s - max time network
114s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
04/06/2024, 02:04
General
- Target 0f85f9ea32bdbe9c4616003a3f6ea65952a38c56b8fd00a637573424844d2df4.exe
- Size 653KB
- Sample240604-chpq2shf5v
- SHA256 0f85f9ea32bdbe9c4616003a3f6ea65952a38c56b8fd00a637573424844d2df4
Malware Config
Extracted
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Protocol
smtp
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Host
mail.pakdisco.com
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Port
587
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Username
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Password
Pakdis123@
Extracted
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agenttesla
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Protocol
smtp
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Host
mail.pakdisco.com
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Port
587
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Username
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Password
Pakdis123@
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Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- UAC bypass 3 TTPs 1 IoCs
- Windows security bypass 2 TTPs 2 IoCs
- 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 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Windows security modification 2 TTPs 3 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- Checks whether UAC is enabled 1 TTPs 2 IoCs
- Looks up external IP address via web service 2 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).
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 19 IoCs
- System policy modification 1 TTPs 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\0f85f9ea32bdbe9c4616003a3f6ea65952a38c56b8fd00a637573424844d2df4.exe"C:\Users\Admin\AppData\Local\Temp\0f85f9ea32bdbe9c4616003a3f6ea65952a38c56b8fd00a637573424844d2df4.exe"1⤵
- UAC bypass
- Windows security bypass
- Checks computer location settings
- Windows security modification
- Checks whether UAC is enabled
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\0f85f9ea32bdbe9c4616003a3f6ea65952a38c56b8fd00a637573424844d2df4.exe" -Force2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe"2⤵
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"2⤵
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"2⤵
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Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
3Disable or Modify Tools
3Modify Registry
5Replay Monitor
Loading Replay Monitor...
Downloads
__PSScriptPolicyTest_oienzcik.kzp.ps1
memory/1576-21-0x0000000000400000-0x0000000000444000-memory.dmp
memory/1576-30-0x00000000064B0000-0x00000000064BA000-memory.dmp
memory/1576-29-0x0000000006500000-0x0000000006592000-memory.dmp
memory/1576-28-0x00000000063C0000-0x000000000645C000-memory.dmp
memory/1576-27-0x00000000062D0000-0x0000000006320000-memory.dmp
memory/1576-23-0x0000000005000000-0x0000000005066000-memory.dmp
memory/1576-22-0x00000000055B0000-0x0000000005B54000-memory.dmp
memory/1624-19-0x00007FFE14C70000-0x00007FFE15731000-memory.dmp
memory/1624-20-0x00007FFE14C70000-0x00007FFE15731000-memory.dmp
memory/1624-16-0x00007FFE14C70000-0x00007FFE15731000-memory.dmp
memory/1624-15-0x00007FFE14C70000-0x00007FFE15731000-memory.dmp
memory/1624-10-0x000002C13F750000-0x000002C13F772000-memory.dmp
memory/3316-1-0x00007FFE14C73000-0x00007FFE14C75000-memory.dmp
memory/3316-24-0x00007FFE14C70000-0x00007FFE15731000-memory.dmp
memory/3316-3-0x000001901A470000-0x000001901A476000-memory.dmp
memory/3316-4-0x0000019033010000-0x00000190330A6000-memory.dmp
memory/3316-2-0x00007FFE14C70000-0x00007FFE15731000-memory.dmp
memory/3316-0-0x00000190188D0000-0x00000190188E4000-memory.dmp