Analysis

  • max time kernel
    83s
  • max time network
    33s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    05/05/2023, 20:53

General

  • Target

    order02390021.pdf.exe

  • Size

    577KB

  • MD5

    9b97c94ca5dfdfc77b75477e4eebe867

  • SHA1

    af95d435b3cd20e787e3aa0f50ff6437dc68ced9

  • SHA256

    0494623f46dee59028737fd272af2a35b144c38bd2a0a5f8ebcb131a45aaf71c

  • SHA512

    7cef268740957fc3537b91c9420d29b5765464d1cb90b382b90a3a1155a5657a041068e5c55573fc540190a9f5b6a00ddf5dd1ff45065252dfae3b1881edc23b

  • SSDEEP

    12288:HxMHFzrA/lsELhbTmbwBspjGP+P4MrEyTQ+K/4mIB9Y6PL:qrA/+ELha0/mPfDQ+KgmITY6PL

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5547723454:AAHqewaHCTcN2ZyoJn_xzOGn7Rzrt3kXyY8/

Signatures

  • AgentTesla

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

  • 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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\order02390021.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\order02390021.pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:916
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\qWuJJOTZmSL.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1480
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\qWuJJOTZmSL" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD1E0.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:268
    • C:\Users\Admin\AppData\Local\Temp\order02390021.pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\order02390021.pdf.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1100

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\tmpD1E0.tmp

          Filesize

          1KB

          MD5

          365487c2d4ebb0dede1693e53c25d0a2

          SHA1

          87aecb9a80e34f0c2c4dbadabe31b0fd8c3f7d65

          SHA256

          e7ca070c82930c2ff183083b49c98975986c944bca42ba2153e8ce7c8bccf6e3

          SHA512

          742939a5eae58240c13b828fdd5084bb249e9345e6a25c7c34f2d250a8291dbe0a4a145d7832a55ea58cd57db02403986943a6538e6c33cbe9267834fb459569

        • C:\Users\Admin\AppData\Roaming\GsHLJkZ\GsHLJkZ.exe

          Filesize

          577KB

          MD5

          9b97c94ca5dfdfc77b75477e4eebe867

          SHA1

          af95d435b3cd20e787e3aa0f50ff6437dc68ced9

          SHA256

          0494623f46dee59028737fd272af2a35b144c38bd2a0a5f8ebcb131a45aaf71c

          SHA512

          7cef268740957fc3537b91c9420d29b5765464d1cb90b382b90a3a1155a5657a041068e5c55573fc540190a9f5b6a00ddf5dd1ff45065252dfae3b1881edc23b

        • memory/916-54-0x0000000000F60000-0x0000000000FF6000-memory.dmp

          Filesize

          600KB

        • memory/916-55-0x0000000004970000-0x00000000049B0000-memory.dmp

          Filesize

          256KB

        • memory/916-56-0x0000000000270000-0x0000000000280000-memory.dmp

          Filesize

          64KB

        • memory/916-57-0x0000000004970000-0x00000000049B0000-memory.dmp

          Filesize

          256KB

        • memory/916-58-0x0000000000290000-0x000000000029C000-memory.dmp

          Filesize

          48KB

        • memory/916-59-0x0000000005080000-0x00000000050EA000-memory.dmp

          Filesize

          424KB

        • memory/916-67-0x0000000004F30000-0x0000000004F62000-memory.dmp

          Filesize

          200KB

        • memory/1100-69-0x0000000000400000-0x000000000042E000-memory.dmp

          Filesize

          184KB

        • memory/1100-70-0x0000000000400000-0x000000000042E000-memory.dmp

          Filesize

          184KB

        • memory/1100-71-0x0000000000400000-0x000000000042E000-memory.dmp

          Filesize

          184KB

        • memory/1100-72-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

          Filesize

          4KB

        • memory/1100-73-0x0000000000400000-0x000000000042E000-memory.dmp

          Filesize

          184KB

        • memory/1100-75-0x0000000000400000-0x000000000042E000-memory.dmp

          Filesize

          184KB

        • memory/1100-77-0x0000000000400000-0x000000000042E000-memory.dmp

          Filesize

          184KB

        • memory/1100-78-0x0000000000530000-0x0000000000570000-memory.dmp

          Filesize

          256KB

        • memory/1100-68-0x0000000000400000-0x000000000042E000-memory.dmp

          Filesize

          184KB

        • memory/1100-82-0x0000000000530000-0x0000000000570000-memory.dmp

          Filesize

          256KB

        • memory/1480-79-0x0000000002660000-0x00000000026A0000-memory.dmp

          Filesize

          256KB