Analysis

  • max time kernel
    117s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    12-06-2024 01:46

General

  • Target

    SOF-41593-21052024112851.exe

  • Size

    783KB

  • MD5

    6662c13587dc2c81d93e5c2d53683050

  • SHA1

    d1dbb9cd770cbf02de049c2820debd6a9d9fa48f

  • SHA256

    280b463ac5311b367f5b3678a0305bcfcb7ff877814b0bbabb9839327b578c1f

  • SHA512

    afcdbb8ce3ec4fd9a72d5a29875eca0fac577395349157ce277738a68fc3b4aefa71d5286d97a7522ac5afe2341a61d1272f5dafc4665ddb718dc398d8a7267b

  • SSDEEP

    24576:Ae0jH3DI5Gw0c36v+i0O+KHqWeDc5XyCBs2A2:cPgGcf9XK5vXh02

Malware Config

Extracted

Family

agenttesla

Credentials

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.

  • 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.

  • 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 25 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SOF-41593-21052024112851.exe
    "C:\Users\Admin\AppData\Local\Temp\SOF-41593-21052024112851.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2224
    • 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\SOF-41593-21052024112851.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2412
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\rkaDHUKbZLCALj.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2620
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\rkaDHUKbZLCALj" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4894.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2784
    • C:\Users\Admin\AppData\Local\Temp\SOF-41593-21052024112851.exe
      "C:\Users\Admin\AppData\Local\Temp\SOF-41593-21052024112851.exe"
      2⤵
        PID:2676
      • C:\Users\Admin\AppData\Local\Temp\SOF-41593-21052024112851.exe
        "C:\Users\Admin\AppData\Local\Temp\SOF-41593-21052024112851.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:2764

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp4894.tmp

      Filesize

      1KB

      MD5

      a672fc71be893f87c1f2fd9369b0bbf1

      SHA1

      1d850411c6bab97d8b0b0b1d03bbdfd0ef696f04

      SHA256

      379dfbcf85d3d35f2b31c2ae41829da2910964c2947a72cf435aec982db3d3ce

      SHA512

      b4576a2989d96851b6a02ca7bd3e76c616c816114ae143c73cb1fb80de30ddd557bad3ec20ac698916ebf0327a852525eb98750fefc0e50366cc0c7d0f50dad1

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

      Filesize

      7KB

      MD5

      cf0ccf35bd3a76afadd7106507d810d5

      SHA1

      3ade5eaf0d714e085570e1757ca7e462982d1016

      SHA256

      deea45c140b19118d6284bce7630e6c7508a0a1f509e75730edd91835da880b1

      SHA512

      9aa93188678f2614c1d39f707a326156969fa812f691dc0649337ff1f23cde35fc4580f4cd682f874f0d0dbecb559439d47288c7d4cd1ac02394f5dfe958f3cc

    • memory/2224-4-0x0000000000330000-0x0000000000340000-memory.dmp

      Filesize

      64KB

    • memory/2224-3-0x00000000004E0000-0x00000000004FA000-memory.dmp

      Filesize

      104KB

    • memory/2224-0-0x0000000074ABE000-0x0000000074ABF000-memory.dmp

      Filesize

      4KB

    • memory/2224-5-0x0000000005C60000-0x0000000005CE4000-memory.dmp

      Filesize

      528KB

    • memory/2224-6-0x0000000074ABE000-0x0000000074ABF000-memory.dmp

      Filesize

      4KB

    • memory/2224-7-0x0000000074AB0000-0x000000007519E000-memory.dmp

      Filesize

      6.9MB

    • memory/2224-2-0x0000000074AB0000-0x000000007519E000-memory.dmp

      Filesize

      6.9MB

    • memory/2224-1-0x0000000000C10000-0x0000000000CD6000-memory.dmp

      Filesize

      792KB

    • memory/2224-33-0x0000000074AB0000-0x000000007519E000-memory.dmp

      Filesize

      6.9MB

    • memory/2764-24-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2764-28-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2764-22-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2764-30-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2764-32-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2764-29-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2764-26-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2764-21-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB