Analysis

  • max time kernel
    149s
  • max time network
    29s
  • platform
    windows7_x64
  • resource
    win7v200430
  • submitted
    13/07/2020, 06:35

General

  • Target

    Neworder20091836pdf.exe

  • Size

    335KB

  • MD5

    8348644813539dd2c4d0a126fe5fd4d6

  • SHA1

    6796854dbdb4ac32d19f097e82b7694f2462af47

  • SHA256

    6a1315d55a66812deddffd96c7f113289b3f21b085f830d8332844b4c9d5e4bc

  • SHA512

    a7a46ef7182314249454f5b62ad10478014b1b8e0424b5716a44e8c212039e53e9cdc7475bb0f92d1459058db2d562bf28da6b04002ddbcb43337db7f59a0591

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    webmail.saritatravels.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    sameerb%$321

Signatures

  • AgentTesla

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

  • AgentTesla Payload 4 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.

  • 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 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Neworder20091836pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\Neworder20091836pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1356
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\DdhwUfQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC7EF.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1812
    • C:\Users\Admin\AppData\Local\Temp\Neworder20091836pdf.exe
      "{path}"
      2⤵
        PID:1764
      • C:\Users\Admin\AppData\Local\Temp\Neworder20091836pdf.exe
        "{path}"
        2⤵
          PID:1772
        • C:\Users\Admin\AppData\Local\Temp\Neworder20091836pdf.exe
          "{path}"
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:1756

      Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • memory/1756-2-0x0000000000400000-0x000000000044C000-memory.dmp

              Filesize

              304KB

            • memory/1756-4-0x0000000000400000-0x000000000044C000-memory.dmp

              Filesize

              304KB

            • memory/1756-5-0x0000000000400000-0x000000000044C000-memory.dmp

              Filesize

              304KB