Analysis
- max time kernel
149s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20240426-en - resource tags
- submitted
16/05/2024, 08:50
General
- Target TCL-3485744.pdf.exe
- Size 703KB
- Sample240516-krldzscg3w
- SHA256 b5372cebf5de722e79a9b485984192eb87f6ad78eb2bdd725ae4521c90c0ddac
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
us2.smtp.mailhostbox.com
-
Port
587
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Username
-
Password
)otE@Kl4
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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.
- 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 10 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of WriteProcessMemory 17 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\TCL-3485744.pdf.exe"C:\Users\Admin\AppData\Local\Temp\TCL-3485744.pdf.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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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\TCL-3485744.pdf.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\oTahvztuL.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\oTahvztuL" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5B01.tmp"2⤵
- Creates scheduled task(s)
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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⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
powershell.exe.log
StartupProfileData-NonInteractive
__PSScriptPolicyTest_bt32hmxz.5ep.ps1
tmp5B01.tmp
memory/748-23-0x0000000005710000-0x0000000005776000-memory.dmp
memory/748-24-0x0000000005F00000-0x0000000005F66000-memory.dmp
memory/748-88-0x0000000074D50000-0x0000000075500000-memory.dmp
memory/748-80-0x0000000007B70000-0x0000000007B84000-memory.dmp
memory/748-79-0x0000000007B60000-0x0000000007B6E000-memory.dmp
memory/748-74-0x0000000007F70000-0x00000000085EA000-memory.dmp
memory/748-53-0x00000000714C0000-0x000000007150C000-memory.dmp
memory/748-15-0x0000000002CF0000-0x0000000002D26000-memory.dmp
memory/748-16-0x0000000005820000-0x0000000005E48000-memory.dmp
memory/748-17-0x0000000074D50000-0x0000000075500000-memory.dmp
memory/748-18-0x0000000074D50000-0x0000000075500000-memory.dmp
memory/748-51-0x00000000075C0000-0x00000000075F2000-memory.dmp
memory/748-21-0x0000000074D50000-0x0000000075500000-memory.dmp
memory/748-50-0x00000000066A0000-0x00000000066EC000-memory.dmp
memory/748-49-0x0000000006610000-0x000000000662E000-memory.dmp
memory/748-27-0x0000000006070000-0x00000000063C4000-memory.dmp
memory/748-22-0x0000000005670000-0x0000000005692000-memory.dmp
memory/2260-19-0x0000000074D50000-0x0000000075500000-memory.dmp
memory/2260-75-0x0000000007660000-0x000000000767A000-memory.dmp
memory/2260-89-0x0000000074D50000-0x0000000075500000-memory.dmp
memory/2260-82-0x0000000007980000-0x0000000007988000-memory.dmp
memory/2260-81-0x00000000079A0000-0x00000000079BA000-memory.dmp
memory/2260-78-0x0000000007860000-0x0000000007871000-memory.dmp
memory/2260-25-0x0000000074D50000-0x0000000075500000-memory.dmp
memory/2260-26-0x0000000074D50000-0x0000000075500000-memory.dmp
memory/2260-77-0x00000000078E0000-0x0000000007976000-memory.dmp
memory/2260-76-0x00000000076D0000-0x00000000076DA000-memory.dmp
memory/2260-68-0x0000000006890000-0x00000000068AE000-memory.dmp
memory/2260-52-0x00000000714C0000-0x000000007150C000-memory.dmp
memory/2260-73-0x0000000007570000-0x0000000007613000-memory.dmp
memory/3532-4-0x0000000074D50000-0x0000000075500000-memory.dmp
memory/3532-5-0x0000000005490000-0x000000000549A000-memory.dmp
memory/3532-10-0x000000000B300000-0x000000000B39C000-memory.dmp
memory/3532-0-0x0000000074D5E000-0x0000000074D5F000-memory.dmp
memory/3532-3-0x00000000052E0000-0x0000000005372000-memory.dmp
memory/3532-8-0x0000000004D20000-0x0000000004D30000-memory.dmp
memory/3532-7-0x0000000005780000-0x000000000578C000-memory.dmp
memory/3532-9-0x0000000006800000-0x0000000006882000-memory.dmp
memory/3532-48-0x0000000074D50000-0x0000000075500000-memory.dmp
memory/3532-2-0x00000000057B0000-0x0000000005D54000-memory.dmp
memory/3532-1-0x0000000000840000-0x00000000008F4000-memory.dmp
memory/3532-6-0x0000000005720000-0x0000000005742000-memory.dmp
memory/4904-33-0x0000000000400000-0x0000000000440000-memory.dmp
memory/4904-90-0x0000000006590000-0x00000000065E0000-memory.dmp