Analysis

  • max time kernel
    118s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    18/04/2024, 20:35

General

  • Target

    KZWCMNWmmqi9lvI.exe

  • Size

    724KB

  • MD5

    357819113a4c45ae00b90d06bdd54f67

  • SHA1

    ed16e3a8b5d359f6f59cde2cfedc619bcf24bbfd

  • SHA256

    41c1924e758c705eab2c725624c7c01923601d805c3e4ebe6cac379e32ed4140

  • SHA512

    e0b1d910e4ff577c3bd50ddd6c26ad270c1c113645df887294113febb2f71c7905f7b1cc5e7f8f09a08ed11eaded5887f52607c15f6958c512ff3124727b321c

  • SSDEEP

    12288:pGL21ILpqe2cWjoI8F1P3FkbBrmofmjuFP6U74BYE3+FhjXmZdwwpIl:IL21ILpqerAY3FkbZmofmvQFh6Hq

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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).

  • 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\KZWCMNWmmqi9lvI.exe
    "C:\Users\Admin\AppData\Local\Temp\KZWCMNWmmqi9lvI.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1136
    • 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\KZWCMNWmmqi9lvI.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2432
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\YNmvek.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3024
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\YNmvek" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC5BF.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2848
    • 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
      PID:2356

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\tmpC5BF.tmp

          Filesize

          1KB

          MD5

          10c34728aac61f940b4698fb68da39f4

          SHA1

          a36efc086a8684e4aa795edc4ae19298aa30b113

          SHA256

          cd52327d116b9579f1d82c4463242f66ad4ff3615f479d91b7eaf77e69027821

          SHA512

          f242b235010084935b9489ea3953a21aa5ecdbf5da7388e4e2274bec7f803443e767614132abca039c80ee8292b15335a10986fb12ebaa8b1c2af74602144973

        • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

          Filesize

          7KB

          MD5

          e328b923fceb09199a1dd4641bf6bffb

          SHA1

          d24ee23a6b0ece23b32f2dbfcd03801b61c0b1ee

          SHA256

          8257d94f704cae978568eb0cf797c5de6ff3c9d264697c643a06d835f2451430

          SHA512

          23a2e2308cd1d042afdec9a7e8a04fce7342a3dc7d3d11b42d4ebce3b7bb387829707a12ccfd8711e0f006ef4e59dc9ada47bf2d0a1e474cb2f3eb1edbbc965a

        • memory/1136-1-0x0000000074700000-0x0000000074DEE000-memory.dmp

          Filesize

          6.9MB

        • memory/1136-0-0x0000000000060000-0x000000000011A000-memory.dmp

          Filesize

          744KB

        • memory/1136-2-0x0000000004C30000-0x0000000004C70000-memory.dmp

          Filesize

          256KB

        • memory/1136-3-0x0000000000640000-0x0000000000658000-memory.dmp

          Filesize

          96KB

        • memory/1136-4-0x0000000000660000-0x000000000066E000-memory.dmp

          Filesize

          56KB

        • memory/1136-5-0x0000000000670000-0x0000000000684000-memory.dmp

          Filesize

          80KB

        • memory/1136-6-0x0000000005E20000-0x0000000005EA2000-memory.dmp

          Filesize

          520KB

        • memory/1136-38-0x0000000074700000-0x0000000074DEE000-memory.dmp

          Filesize

          6.9MB

        • memory/2356-24-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/2356-39-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/2356-47-0x00000000006E0000-0x0000000000720000-memory.dmp

          Filesize

          256KB

        • memory/2356-46-0x00000000734B0000-0x0000000073B9E000-memory.dmp

          Filesize

          6.9MB

        • memory/2356-41-0x00000000006E0000-0x0000000000720000-memory.dmp

          Filesize

          256KB

        • memory/2356-26-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/2356-28-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/2356-30-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/2356-34-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/2356-32-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

          Filesize

          4KB

        • memory/2356-40-0x00000000734B0000-0x0000000073B9E000-memory.dmp

          Filesize

          6.9MB

        • memory/2356-36-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/2432-21-0x000000006E290000-0x000000006E83B000-memory.dmp

          Filesize

          5.7MB

        • memory/2432-19-0x000000006E290000-0x000000006E83B000-memory.dmp

          Filesize

          5.7MB

        • memory/2432-42-0x0000000002580000-0x00000000025C0000-memory.dmp

          Filesize

          256KB

        • memory/2432-43-0x0000000002580000-0x00000000025C0000-memory.dmp

          Filesize

          256KB

        • memory/2432-45-0x000000006E290000-0x000000006E83B000-memory.dmp

          Filesize

          5.7MB

        • memory/3024-20-0x000000006E290000-0x000000006E83B000-memory.dmp

          Filesize

          5.7MB

        • memory/3024-44-0x000000006E290000-0x000000006E83B000-memory.dmp

          Filesize

          5.7MB

        • memory/3024-23-0x000000006E290000-0x000000006E83B000-memory.dmp

          Filesize

          5.7MB

        • memory/3024-22-0x00000000026C0000-0x0000000002700000-memory.dmp

          Filesize

          256KB