Analysis

  • max time kernel
    137s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/03/2024, 05:18

General

  • Target
    SecuriteInfo.com.Win32.PWSX-gen.30511.17410.exe
  • Size 716KB
  • Sample240325-fy9myabh21
  • SHA256 6ea6f267651edf5a261e20c68eccb8881e0aaeb0d96189980d18aa39b15b8848
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Credentials
  • Protocol

    smtp

  • Host

    mail.wecaresvc.com

  • Port

    587

  • Password

    s2a8l4e9skao

Extracted

Family
  • agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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.

  • 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).

  • 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 11 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.30511.17410.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.30511.17410.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3560
    • 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\SecuriteInfo.com.Win32.PWSX-gen.30511.17410.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1704
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\GDphEeI.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4360
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\GDphEeI" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6DAE.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4880
    • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.30511.17410.exe
      "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.30511.17410.exe"
      2⤵
        PID:4680
      • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.30511.17410.exe
        "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.30511.17410.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3112
    • C:\Windows\system32\rundll32.exe
      "C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe
      1⤵
        PID:3476
      • C:\Windows\System32\svchost.exe
        C:\Windows\System32\svchost.exe -k UnistackSvcGroup
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:4592

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            SecuriteInfo.com.Win32.PWSX-gen.30511.17410.exe.log

            • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\SecuriteInfo.com.Win32.PWSX-gen.30511.17410.exe.log
            • Size 1KB
            • SHA256 7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
            • MD5 SHA1 SHA512

            powershell.exe.log

            • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
            • Size 2KB
            • SHA256 6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
            • MD5 SHA1 SHA512

            StartupProfileData-NonInteractive

            • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
            • Size 18KB
            • SHA256 24eb775af3a7719dd046841012107ee5a403d9817f66b937933713c6cd7db451
            • MD5 SHA1 SHA512 SSDEEP

            __PSScriptPolicyTest_15tmmfbs.vap.ps1

            • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_15tmmfbs.vap.ps1
            • Size 60B
            • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
            • MD5 SHA1 SHA512

            tmp6DAE.tmp

            • Path C:\Users\Admin\AppData\Local\Temp\tmp6DAE.tmp
            • Size 1KB
            • SHA256 a61256e3320d9737e4ec4176135d623eec9b1b121f2183ef5677fd209c33fe9e
            • MD5 SHA1 SHA512

            memory/1704-55-0x000000007FD60000-0x000000007FD70000-memory.dmp

            memory/1704-79-0x0000000005340000-0x0000000005350000-memory.dmp

            memory/1704-84-0x0000000007D90000-0x0000000007DA1000-memory.dmp

            memory/1704-85-0x0000000007DC0000-0x0000000007DCE000-memory.dmp

            memory/1704-87-0x0000000007ED0000-0x0000000007EEA000-memory.dmp

            memory/1704-14-0x00000000052D0000-0x0000000005306000-memory.dmp

            memory/1704-16-0x0000000005980000-0x0000000005FA8000-memory.dmp

            memory/1704-15-0x00000000743D0000-0x0000000074B80000-memory.dmp

            memory/1704-17-0x0000000005340000-0x0000000005350000-memory.dmp

            memory/1704-54-0x00000000079F0000-0x0000000007A22000-memory.dmp

            memory/1704-57-0x0000000070B80000-0x0000000070BCC000-memory.dmp

            memory/1704-83-0x0000000007E10000-0x0000000007EA6000-memory.dmp

            memory/1704-33-0x0000000005340000-0x0000000005350000-memory.dmp

            memory/1704-80-0x00000000081E0000-0x000000000885A000-memory.dmp

            memory/1704-94-0x00000000743D0000-0x0000000074B80000-memory.dmp

            memory/1704-44-0x0000000006480000-0x00000000067D4000-memory.dmp

            memory/1704-77-0x0000000007A60000-0x0000000007B03000-memory.dmp

            memory/3112-48-0x00000000743D0000-0x0000000074B80000-memory.dmp

            memory/3112-50-0x00000000054B0000-0x00000000054C0000-memory.dmp

            memory/3112-96-0x00000000068A0000-0x00000000068F0000-memory.dmp

            memory/3112-97-0x00000000743D0000-0x0000000074B80000-memory.dmp

            memory/3112-45-0x0000000000400000-0x0000000000442000-memory.dmp

            memory/3560-9-0x0000000006F70000-0x0000000006FF4000-memory.dmp

            memory/3560-0-0x0000000000FD0000-0x0000000001088000-memory.dmp

            memory/3560-49-0x00000000743D0000-0x0000000074B80000-memory.dmp

            memory/3560-8-0x0000000005B10000-0x0000000005B1C000-memory.dmp

            memory/3560-7-0x0000000005AE0000-0x0000000005AF2000-memory.dmp

            memory/3560-6-0x0000000005C20000-0x0000000005CBC000-memory.dmp

            memory/3560-5-0x0000000005990000-0x000000000599A000-memory.dmp

            memory/3560-4-0x0000000005A40000-0x0000000005A50000-memory.dmp

            memory/3560-3-0x00000000058F0000-0x0000000005982000-memory.dmp

            memory/3560-2-0x0000000005EA0000-0x0000000006444000-memory.dmp

            memory/3560-1-0x00000000743D0000-0x0000000074B80000-memory.dmp

            memory/4360-19-0x00000000743D0000-0x0000000074B80000-memory.dmp

            memory/4360-78-0x0000000002DA0000-0x0000000002DB0000-memory.dmp

            memory/4360-56-0x0000000070B80000-0x0000000070BCC000-memory.dmp

            memory/4360-81-0x00000000079A0000-0x00000000079BA000-memory.dmp

            memory/4360-82-0x0000000007A10000-0x0000000007A1A000-memory.dmp

            memory/4360-67-0x0000000006C20000-0x0000000006C3E000-memory.dmp

            memory/4360-53-0x000000007EE90000-0x000000007EEA0000-memory.dmp

            memory/4360-52-0x00000000068D0000-0x000000000691C000-memory.dmp

            memory/4360-86-0x0000000007BE0000-0x0000000007BF4000-memory.dmp

            memory/4360-51-0x0000000006660000-0x000000000667E000-memory.dmp

            memory/4360-88-0x0000000007CC0000-0x0000000007CC8000-memory.dmp

            memory/4360-18-0x00000000056C0000-0x00000000056E2000-memory.dmp

            memory/4360-21-0x0000000005DE0000-0x0000000005E46000-memory.dmp

            memory/4360-95-0x00000000743D0000-0x0000000074B80000-memory.dmp

            memory/4360-32-0x0000000006170000-0x00000000061D6000-memory.dmp

            memory/4360-34-0x0000000002DA0000-0x0000000002DB0000-memory.dmp

            memory/4360-27-0x0000000002DA0000-0x0000000002DB0000-memory.dmp

            memory/4592-98-0x0000024BF1040000-0x0000024BF1050000-memory.dmp

            memory/4592-114-0x0000024BF1140000-0x0000024BF1150000-memory.dmp

            memory/4592-130-0x0000024BF9490000-0x0000024BF9491000-memory.dmp

            memory/4592-132-0x0000024BF94C0000-0x0000024BF94C1000-memory.dmp

            memory/4592-133-0x0000024BF94C0000-0x0000024BF94C1000-memory.dmp

            memory/4592-134-0x0000024BF95D0000-0x0000024BF95D1000-memory.dmp