Analysis

  • max time kernel
    147s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/04/2024, 08:29

General

  • Target
    SecuriteInfo.com.Win32.TrojanX-gen.32302.18886.exe
  • Size 942KB
  • Sample240416-kdpt9add67
  • SHA256 dedb50b5fe07672b55fc3cbc497b917ce9cde55ffafa5a855cc42addaee124f7
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Credentials
  • Protocol

    smtp

  • Host

    mail.clslk.com

  • Port

    587

  • Password

    NUZRATHinam1978

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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • 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 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.TrojanX-gen.32302.18886.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.TrojanX-gen.32302.18886.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:548
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\EPwFGYioetlvj.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1512
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\EPwFGYioetlvj" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9A9A.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1776
    • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.TrojanX-gen.32302.18886.exe
      "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.TrojanX-gen.32302.18886.exe"
      2⤵
        PID:1816
      • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.TrojanX-gen.32302.18886.exe
        "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.TrojanX-gen.32302.18886.exe"
        2⤵
          PID:2668
        • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.TrojanX-gen.32302.18886.exe
          "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.TrojanX-gen.32302.18886.exe"
          2⤵
          • Adds Run key to start application
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4924

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            __PSScriptPolicyTest_jsihkgd4.3pj.ps1

            • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_jsihkgd4.3pj.ps1
            • Size 60B
            • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
            • MD5 SHA1 SHA512

            tmp9A9A.tmp

            • Path C:\Users\Admin\AppData\Local\Temp\tmp9A9A.tmp
            • Size 1KB
            • SHA256 c824e1e4e34b3b5fca5107747d024d6a42b0bfdb22ff045601508a039a33873e
            • MD5 SHA1 SHA512

            memory/548-8-0x0000000006C70000-0x0000000006C78000-memory.dmp

            memory/548-9-0x0000000007FE0000-0x0000000007FEC000-memory.dmp

            memory/548-4-0x00000000054F0000-0x0000000005500000-memory.dmp

            memory/548-5-0x0000000005230000-0x000000000523A000-memory.dmp

            memory/548-6-0x00000000080C0000-0x0000000008162000-memory.dmp

            memory/548-7-0x0000000006C30000-0x0000000006C42000-memory.dmp

            memory/548-22-0x0000000074870000-0x0000000075020000-memory.dmp

            memory/548-3-0x00000000052B0000-0x0000000005342000-memory.dmp

            memory/548-10-0x0000000008310000-0x0000000008394000-memory.dmp

            memory/548-11-0x000000000AAC0000-0x000000000AB5C000-memory.dmp

            memory/548-1-0x0000000074870000-0x0000000075020000-memory.dmp

            memory/548-2-0x0000000005860000-0x0000000005E04000-memory.dmp

            memory/548-0-0x0000000000790000-0x0000000000880000-memory.dmp

            memory/548-27-0x0000000074870000-0x0000000075020000-memory.dmp

            memory/1512-33-0x00000000056A0000-0x0000000005706000-memory.dmp

            memory/1512-64-0x0000000007260000-0x0000000007271000-memory.dmp

            memory/1512-20-0x00000000049C0000-0x00000000049D0000-memory.dmp

            memory/1512-71-0x0000000074870000-0x0000000075020000-memory.dmp

            memory/1512-25-0x0000000004E60000-0x0000000004E82000-memory.dmp

            memory/1512-68-0x0000000007380000-0x0000000007388000-memory.dmp

            memory/1512-19-0x00000000049C0000-0x00000000049D0000-memory.dmp

            memory/1512-18-0x0000000074870000-0x0000000075020000-memory.dmp

            memory/1512-16-0x0000000002430000-0x0000000002466000-memory.dmp

            memory/1512-67-0x00000000073A0000-0x00000000073BA000-memory.dmp

            memory/1512-66-0x00000000072A0000-0x00000000072B4000-memory.dmp

            memory/1512-40-0x00000000059B0000-0x0000000005D04000-memory.dmp

            memory/1512-41-0x0000000004AB0000-0x0000000004ACE000-memory.dmp

            memory/1512-42-0x0000000005DB0000-0x0000000005DFC000-memory.dmp

            memory/1512-44-0x00000000049C0000-0x00000000049D0000-memory.dmp

            memory/1512-46-0x000000007F9E0000-0x000000007F9F0000-memory.dmp

            memory/1512-45-0x0000000006D10000-0x0000000006D42000-memory.dmp

            memory/1512-47-0x0000000070AF0000-0x0000000070B3C000-memory.dmp

            memory/1512-57-0x00000000062E0000-0x00000000062FE000-memory.dmp

            memory/1512-58-0x0000000006F50000-0x0000000006FF3000-memory.dmp

            memory/1512-65-0x0000000007290000-0x000000000729E000-memory.dmp

            memory/1512-60-0x0000000007690000-0x0000000007D0A000-memory.dmp

            memory/1512-61-0x0000000007040000-0x000000000705A000-memory.dmp

            memory/1512-62-0x00000000070C0000-0x00000000070CA000-memory.dmp

            memory/1512-63-0x00000000072C0000-0x0000000007356000-memory.dmp

            memory/1512-21-0x0000000005000000-0x0000000005628000-memory.dmp

            memory/4924-59-0x0000000006690000-0x00000000066E0000-memory.dmp

            memory/4924-34-0x0000000005680000-0x0000000005690000-memory.dmp

            memory/4924-35-0x0000000005790000-0x00000000057F6000-memory.dmp

            memory/4924-26-0x0000000074870000-0x0000000075020000-memory.dmp

            memory/4924-23-0x0000000000400000-0x0000000000442000-memory.dmp

            memory/4924-72-0x0000000074870000-0x0000000075020000-memory.dmp

            memory/4924-73-0x0000000005680000-0x0000000005690000-memory.dmp