Analysis

  • max time kernel
    67s
  • max time network
    101s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    21/07/2024, 21:03

General

  • Target

    0e55072005a6d6c02ba5f15d2d72a5f0N.exe

  • Size

    697KB

  • MD5

    0e55072005a6d6c02ba5f15d2d72a5f0

  • SHA1

    ccb0df67577855c39d48a73a23368101705c54c2

  • SHA256

    877fcf71c4acaa502cd90af87471db3a79e833ee4ddade15db19036add353fc1

  • SHA512

    ff332a8ebe5ff69a176fe28b1556bae5b15fe492984dd44a38ebee0e435849634bd946e40cd6790ec867778040daf921868c7513db8a0f3525a54751a40aae8b

  • SSDEEP

    12288:PiN882BMRkatvlzDRjz8re7cfVnd9Qr6iSw9y/ocdYuYyO3ah2iNUkR:Pu2B/atvZDRjlgNcpSwcoRuYz3a8c

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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • 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).

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0e55072005a6d6c02ba5f15d2d72a5f0N.exe
    "C:\Users\Admin\AppData\Local\Temp\0e55072005a6d6c02ba5f15d2d72a5f0N.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1604
    • 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\0e55072005a6d6c02ba5f15d2d72a5f0N.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2740
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\feizjRYgB.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2864
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\feizjRYgB" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE3DA.tmp"
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:2728
    • C:\Users\Admin\AppData\Local\Temp\0e55072005a6d6c02ba5f15d2d72a5f0N.exe
      "C:\Users\Admin\AppData\Local\Temp\0e55072005a6d6c02ba5f15d2d72a5f0N.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1820

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\tmpE3DA.tmp

          Filesize

          1KB

          MD5

          7a2ee516205d0846ba131c20c8da3557

          SHA1

          a178402022bf40918f98b692b26fa16db3e7d896

          SHA256

          a9c42c46f0562fcc4b940021dacddce0fb8600b8cd8bacdd77d01bd63a44dfff

          SHA512

          da1e52a7c697a735481fcfc1034d7052609e0da95b3e11dab7500e456613aca100fcfeba39c2fef6c634c0ef56d144ff19fb8a7b72e76306689245d5ad6e5172

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

          Filesize

          7KB

          MD5

          d54aae02f3ca10a1e9389cb83814e399

          SHA1

          2b900f131828225e6ffa3642aef478a0167b8a11

          SHA256

          095ab3c15647b1b2f1cc38ce75236532268a8f78840350f93483f8f9c5c5f29d

          SHA512

          fba338afbffddacd5ac73304b687743c32d142ea507951da402494f3a5e7117082a76bc0c191b2e9107c02fc30f0dedd465cca31d460b2a4f20da8559efeebae

        • memory/1604-31-0x0000000074D20000-0x000000007540E000-memory.dmp

          Filesize

          6.9MB

        • memory/1604-1-0x0000000000890000-0x0000000000940000-memory.dmp

          Filesize

          704KB

        • memory/1604-2-0x0000000074D20000-0x000000007540E000-memory.dmp

          Filesize

          6.9MB

        • memory/1604-3-0x00000000003B0000-0x00000000003CA000-memory.dmp

          Filesize

          104KB

        • memory/1604-4-0x0000000000420000-0x000000000042E000-memory.dmp

          Filesize

          56KB

        • memory/1604-5-0x0000000004D80000-0x0000000004E06000-memory.dmp

          Filesize

          536KB

        • memory/1604-0-0x0000000074D2E000-0x0000000074D2F000-memory.dmp

          Filesize

          4KB

        • memory/1820-20-0x0000000000400000-0x0000000000444000-memory.dmp

          Filesize

          272KB

        • memory/1820-27-0x0000000000400000-0x0000000000444000-memory.dmp

          Filesize

          272KB

        • memory/1820-26-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

          Filesize

          4KB

        • memory/1820-25-0x0000000000400000-0x0000000000444000-memory.dmp

          Filesize

          272KB

        • memory/1820-22-0x0000000000400000-0x0000000000444000-memory.dmp

          Filesize

          272KB

        • memory/1820-28-0x0000000000400000-0x0000000000444000-memory.dmp

          Filesize

          272KB

        • memory/1820-30-0x0000000000400000-0x0000000000444000-memory.dmp

          Filesize

          272KB

        • memory/1820-18-0x0000000000400000-0x0000000000444000-memory.dmp

          Filesize

          272KB