Analysis

  • max time kernel
    149s
  • max time network
    103s
  • platform
    windows11-21h2_x64
  • resource
    win11-20251015-en
  • resource tags

    arch:x64arch:x86image:win11-20251015-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    10/11/2025, 09:40

General

  • Target
    MCPO2501424.exe
  • Size 728KB
  • Sample251110-lncs4swkex
  • SHA256 ef2ef9c4bbc252a65d09f98c7dfe0c89a004bf4df3ccc3dcf65230cfcadf580f
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • agenttesla

Credentials

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • Agenttesla family
  • Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Executes dropped EXE 2 IoCs
  • 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.

  • SmartAssembly .NET packer 1 IoCs

    Detects SmartAssembly .NET packer.

  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 10 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 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 18 IoCs
  • Suspicious use of AdjustPrivilegeToken 8 IoCs
  • Suspicious use of WriteProcessMemory 37 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\MCPO2501424.exe
    "C:\Users\Admin\AppData\Local\Temp\MCPO2501424.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2600
    • 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\MCPO2501424.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:5872
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\loTQaVFQxUbWF.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:5804
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\loTQaVFQxUbWF" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA076.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:3196
    • C:\Users\Admin\AppData\Local\Temp\MCPO2501424.exe
      "C:\Users\Admin\AppData\Local\Temp\MCPO2501424.exe"
      2⤵
        PID:4784
      • C:\Users\Admin\AppData\Local\Temp\MCPO2501424.exe
        "C:\Users\Admin\AppData\Local\Temp\MCPO2501424.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4740
    • C:\Users\Admin\AppData\Roaming\loTQaVFQxUbWF.exe
      C:\Users\Admin\AppData\Roaming\loTQaVFQxUbWF.exe
      1⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4700
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\loTQaVFQxUbWF.exe"
        2⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4492
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\loTQaVFQxUbWF.exe"
        2⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3120
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\loTQaVFQxUbWF" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE82D.tmp"
        2⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:4680
      • C:\Users\Admin\AppData\Roaming\loTQaVFQxUbWF.exe
        "C:\Users\Admin\AppData\Roaming\loTQaVFQxUbWF.exe"
        2⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4000

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          loTQaVFQxUbWF.exe.log

          • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\loTQaVFQxUbWF.exe.log
          • Size 1KB
          • SHA256 4c17576f64dea465c45a50573ee41771f7be9962ab2d07f961af4df5589bdcce
          • MD5 SHA1 SHA512

          powershell.exe.log

          • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
          • Size 2KB
          • SHA256 9600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
          • MD5 SHA1 SHA512

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 18KB
          • SHA256 93f94791be69595ccb3e1d0ab24094293f7eeb21a519f86cbaaa645f4c61381a
          • MD5 SHA1 SHA512 SSDEEP

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 18KB
          • SHA256 a1503e21260bf3f0c12b155276ff2d6d4eb3d00a76748bd2ff27d216fc21f00b
          • MD5 SHA1 SHA512 SSDEEP

          __PSScriptPolicyTest_noxtea54.343.ps1

          • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_noxtea54.343.ps1
          • Size 60B
          • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
          • MD5 SHA1 SHA512

          tmpA076.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\tmpA076.tmp
          • Size 1KB
          • SHA256 31ffd4f38c360efd2c7b5e8695bc3d2abe61a026773fcf563326ab46eb8730fd
          • MD5 SHA1 SHA512

          loTQaVFQxUbWF.exe

          • Path C:\Users\Admin\AppData\Roaming\loTQaVFQxUbWF.exe
          • Size 728KB
          • SHA256 ef2ef9c4bbc252a65d09f98c7dfe0c89a004bf4df3ccc3dcf65230cfcadf580f
          • MD5 SHA1 SHA512 SSDEEP

          memory/2600-8-0x0000000009260000-0x00000000092FC000-memory.dmp

          memory/2600-7-0x0000000006BD0000-0x0000000006C56000-memory.dmp

          memory/2600-6-0x0000000005320000-0x0000000005330000-memory.dmp

          memory/2600-0-0x0000000000590000-0x0000000000648000-memory.dmp

          memory/2600-5-0x00000000054F0000-0x00000000054FE000-memory.dmp

          memory/2600-4-0x00000000052A0000-0x00000000052AA000-memory.dmp

          memory/2600-3-0x0000000005320000-0x0000000005330000-memory.dmp

          memory/2600-2-0x00000000050F0000-0x0000000005182000-memory.dmp

          memory/2600-1-0x00000000056A0000-0x0000000005C46000-memory.dmp

          memory/3120-101-0x0000000070E20000-0x0000000070E6C000-memory.dmp

          memory/3120-109-0x0000000007250000-0x0000000007261000-memory.dmp

          memory/3120-81-0x0000000005870000-0x0000000005BC7000-memory.dmp

          memory/4492-93-0x0000000070E20000-0x0000000070E6C000-memory.dmp

          memory/4492-110-0x0000000007900000-0x0000000007915000-memory.dmp

          memory/4492-108-0x00000000078C0000-0x00000000078D1000-memory.dmp

          memory/4492-100-0x0000000007560000-0x0000000007604000-memory.dmp

          memory/4740-34-0x0000000000400000-0x0000000000440000-memory.dmp

          memory/4740-63-0x0000000005E90000-0x0000000005EE0000-memory.dmp

          memory/5804-21-0x0000000005700000-0x0000000005766000-memory.dmp

          memory/5804-20-0x0000000005690000-0x00000000056F6000-memory.dmp

          memory/5804-17-0x0000000002520000-0x0000000002530000-memory.dmp

          memory/5804-51-0x0000000070E20000-0x0000000070E6C000-memory.dmp

          memory/5804-19-0x00000000055F0000-0x0000000005612000-memory.dmp

          memory/5804-66-0x0000000007300000-0x000000000731A000-memory.dmp

          memory/5804-60-0x0000000007030000-0x000000000703A000-memory.dmp

          memory/5804-61-0x0000000007240000-0x00000000072D6000-memory.dmp

          memory/5804-62-0x00000000071C0000-0x00000000071D1000-memory.dmp

          memory/5804-65-0x0000000007200000-0x0000000007215000-memory.dmp

          memory/5872-15-0x0000000005010000-0x0000000005020000-memory.dmp

          memory/5872-64-0x00000000078B0000-0x00000000078BE000-memory.dmp

          memory/5872-58-0x0000000007CB0000-0x000000000832A000-memory.dmp

          memory/5872-67-0x00000000079B0000-0x00000000079B8000-memory.dmp

          memory/5872-59-0x0000000007670000-0x000000000768A000-memory.dmp

          memory/5872-50-0x0000000007340000-0x00000000073E4000-memory.dmp

          memory/5872-49-0x0000000007320000-0x000000000733E000-memory.dmp

          memory/5872-42-0x0000000070E20000-0x0000000070E6C000-memory.dmp

          memory/5872-41-0x00000000072E0000-0x0000000007314000-memory.dmp

          memory/5872-38-0x0000000006360000-0x00000000063AC000-memory.dmp

          memory/5872-37-0x0000000006320000-0x000000000633E000-memory.dmp

          memory/5872-35-0x0000000005E30000-0x0000000006187000-memory.dmp

          memory/5872-16-0x0000000005650000-0x0000000005C7A000-memory.dmp

          memory/5872-14-0x0000000004E80000-0x0000000004EB6000-memory.dmp

          memory/5872-13-0x0000000005010000-0x0000000005020000-memory.dmp