Analysis

  • max time kernel
    121s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20231023-en
  • resource tags

    arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
  • submitted
    08-12-2023 14:23

General

  • Target

    SecuriteInfo.com.Trojan.Inject4.59820.14767.exe

  • Size

    586KB

  • MD5

    b8915103e9d639e762e83cf9c8bda9a9

  • SHA1

    a9650b8e7d490e933bd05aa4539a617ed5319f03

  • SHA256

    ce18daad377673d765ae77224400740842cc31aee43a2cdb5e5ac564fbbe908d

  • SHA512

    f27fe7eb6d649fe81d8e6a64e775c8a32901161d1d4eab3bb4c525d9927e5716f015be7a72997f90b5cfbaa3daf0681fdd2d516fd7154ee42a24a4c8d1889919

  • SSDEEP

    12288:XhkZ5IbmQRzs42dKmicNLXndCwcso0vji5RqhZjhnBCnZOvbzRof:XK/IKQRIsuzZcd0v1hZjhnYn8DzRof

Malware Config

Extracted

Family

agenttesla

Credentials

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
  • Looks up external IP address via web service 1 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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Inject4.59820.14767.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Inject4.59820.14767.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1316
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ItnrAboKhOJos.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2544
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ItnrAboKhOJos" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9618.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2648
    • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Inject4.59820.14767.exe
      "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Inject4.59820.14767.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:2636

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp9618.tmp

    Filesize

    1KB

    MD5

    3667b15485ab608940681126262a4e9d

    SHA1

    5df98aa3ec60731aaa276dbb658d3f745d1ebe2d

    SHA256

    8c9e287e6aac9e1aaa49e98a8f2db1c85a5425035aaad6096ca20af342529aed

    SHA512

    74547ff3e79809d971ff181ec7310bb16a569b972035367d0662c5fb1058de713c1ad09235274a6e2197f1144a6817f47772dab0ec58f5d289e6fc1fae4c2933

  • memory/1316-6-0x0000000000BB0000-0x0000000000C1C000-memory.dmp

    Filesize

    432KB

  • memory/1316-2-0x0000000004AB0000-0x0000000004AF0000-memory.dmp

    Filesize

    256KB

  • memory/1316-3-0x0000000000320000-0x000000000033A000-memory.dmp

    Filesize

    104KB

  • memory/1316-4-0x0000000000340000-0x0000000000348000-memory.dmp

    Filesize

    32KB

  • memory/1316-5-0x0000000000600000-0x000000000060A000-memory.dmp

    Filesize

    40KB

  • memory/1316-21-0x0000000074E70000-0x000000007555E000-memory.dmp

    Filesize

    6.9MB

  • memory/1316-1-0x0000000074E70000-0x000000007555E000-memory.dmp

    Filesize

    6.9MB

  • memory/1316-0-0x0000000000CE0000-0x0000000000D78000-memory.dmp

    Filesize

    608KB

  • memory/2544-31-0x00000000700A0000-0x000000007064B000-memory.dmp

    Filesize

    5.7MB

  • memory/2544-30-0x0000000002820000-0x0000000002860000-memory.dmp

    Filesize

    256KB

  • memory/2544-29-0x00000000700A0000-0x000000007064B000-memory.dmp

    Filesize

    5.7MB

  • memory/2544-28-0x00000000700A0000-0x000000007064B000-memory.dmp

    Filesize

    5.7MB

  • memory/2636-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2636-18-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2636-20-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2636-23-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2636-24-0x0000000074E70000-0x000000007555E000-memory.dmp

    Filesize

    6.9MB

  • memory/2636-25-0x0000000004930000-0x0000000004970000-memory.dmp

    Filesize

    256KB

  • memory/2636-15-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2636-14-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2636-13-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2636-12-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2636-32-0x0000000074E70000-0x000000007555E000-memory.dmp

    Filesize

    6.9MB

  • memory/2636-33-0x0000000004930000-0x0000000004970000-memory.dmp

    Filesize

    256KB