Analysis

  • max time kernel
    135s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-en-20210920
  • submitted
    22-10-2021 04:17

General

  • Target

    order as urgent.exe

  • Size

    539KB

  • MD5

    640671d4c545a95c5ee05c5758f6a08f

  • SHA1

    8bb92184556b3e27a632db6969e889d91e5c82f5

  • SHA256

    3d5648199e299365ade049035e5bcd08f441b4c02591b9240a6713dd6aedd6f2

  • SHA512

    0f4d01dd6d419ca1c93381254453f02c471636149cf63649ea07ce8a876e8a2742db0741da0a2d2e01007ff5070b4c2c99b39972d200837562cf8c171439f89b

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.privateemail.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    mmm777

Signatures

  • AgentTesla

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

  • AgentTesla Payload 5 IoCs
  • 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
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • 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 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\order as urgent.exe
    "C:\Users\Admin\AppData\Local\Temp\order as urgent.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:320
    • 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\order as urgent.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:844
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\Qmzkmcgtxzkh" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7465.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1940
    • C:\Users\Admin\AppData\Local\Temp\order as urgent.exe
      "C:\Users\Admin\AppData\Local\Temp\order as urgent.exe"
      2⤵
        PID:764
      • C:\Users\Admin\AppData\Local\Temp\order as urgent.exe
        "C:\Users\Admin\AppData\Local\Temp\order as urgent.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • outlook_office_path
        • outlook_win_path
        PID:972

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/320-56-0x0000000001F30000-0x0000000001F31000-memory.dmp

      Filesize

      4KB

    • memory/320-57-0x00000000007C0000-0x00000000007C7000-memory.dmp

      Filesize

      28KB

    • memory/320-58-0x0000000005140000-0x0000000005198000-memory.dmp

      Filesize

      352KB

    • memory/320-54-0x00000000008F0000-0x00000000008F1000-memory.dmp

      Filesize

      4KB

    • memory/844-72-0x0000000000261000-0x0000000000262000-memory.dmp

      Filesize

      4KB

    • memory/844-59-0x0000000000000000-mapping.dmp

    • memory/844-60-0x0000000075FA1000-0x0000000075FA3000-memory.dmp

      Filesize

      8KB

    • memory/844-73-0x0000000000262000-0x0000000000264000-memory.dmp

      Filesize

      8KB

    • memory/844-71-0x0000000000260000-0x0000000000261000-memory.dmp

      Filesize

      4KB

    • memory/972-65-0x0000000000400000-0x000000000043C000-memory.dmp

      Filesize

      240KB

    • memory/972-66-0x0000000000400000-0x000000000043C000-memory.dmp

      Filesize

      240KB

    • memory/972-64-0x0000000000400000-0x000000000043C000-memory.dmp

      Filesize

      240KB

    • memory/972-67-0x000000000043782E-mapping.dmp

    • memory/972-68-0x0000000000400000-0x000000000043C000-memory.dmp

      Filesize

      240KB

    • memory/972-63-0x0000000000400000-0x000000000043C000-memory.dmp

      Filesize

      240KB

    • memory/972-62-0x0000000000400000-0x000000000043C000-memory.dmp

      Filesize

      240KB

    • memory/972-70-0x0000000002100000-0x0000000002101000-memory.dmp

      Filesize

      4KB

    • memory/972-74-0x0000000002101000-0x0000000002102000-memory.dmp

      Filesize

      4KB

    • memory/1940-61-0x0000000000000000-mapping.dmp