Analysis

  • max time kernel
    143s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230831-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230831-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-09-2023 06:57

General

  • Target

    SHIPPING DOCUMENT.exe

  • Size

    579KB

  • MD5

    7d4894b0a335f4e2f2284d8dc63f49a3

  • SHA1

    18a09a840f2bd7a697a2f18567d1f078a7c3fca0

  • SHA256

    1c2cd12a2898ab0dbad796aef237fc205e0888f366f2099ddf2236b3830318cc

  • SHA512

    bcd494b248a28a5c2e5e2b44613c8ba51c0c916729a3c968cec0c323a1626b7a79f599db94e47df13858894155b0a55ef6fb04cd0545607cd84874f899107a97

  • SSDEEP

    12288:Fo2zyu9AlXg6elbKlILc5wgZaeAt+PKR+dyCVpM7oMidthzcqdE42lELi:a2zyu9Adg6elWlagMezKRSVpKoZdTzc9

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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
  • Looks up external IP address via web service 2 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 7 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\SHIPPING DOCUMENT.exe
    "C:\Users\Admin\AppData\Local\Temp\SHIPPING DOCUMENT.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1956
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\dWTDKRDbV" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEB45.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:5084
    • C:\Users\Admin\AppData\Local\Temp\SHIPPING DOCUMENT.exe
      "{path}"
      2⤵
        PID:5112
      • C:\Users\Admin\AppData\Local\Temp\SHIPPING DOCUMENT.exe
        "{path}"
        2⤵
          PID:848
        • C:\Users\Admin\AppData\Local\Temp\SHIPPING DOCUMENT.exe
          "{path}"
          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:3000

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\SHIPPING DOCUMENT.exe.log

        Filesize

        1KB

        MD5

        16de2b30353afd5b2cd2ef8072a4819d

        SHA1

        8401f54747dfc992cef675285f5627a377ecafb2

        SHA256

        2b2649bbc9fa465878ffbf51e2192e7aff94d17e5f232d77d937bf5026a9bf1b

        SHA512

        2d09aa8af628500ee50a8c89aa38d2a096cb046570a2ca7fad1f3596b0a49a9224439b1ed659191e5dd79c5aa70e3c693fb4437c75475fa54ec505c62d3dd598

      • C:\Users\Admin\AppData\Local\Temp\tmpEB45.tmp

        Filesize

        1KB

        MD5

        1c1bd9e0a93604879b3507a452c79eeb

        SHA1

        1906bb92c0adace799d3636f6c0bbf4cfb795971

        SHA256

        9dd1330847d329ad76c295cdd3847bcd14248d1a674cb93d7f4f1e4e39ec2b21

        SHA512

        a20a3dab462e3bb100f90f3d5abf7f3d37f1c77957855f4171fd6006926819f0b51b8ff1ab6f431ccb6c4d19882431c1ad96c2cbffa610811c16661fc928e1ed

      • memory/1956-4-0x0000000005200000-0x000000000529C000-memory.dmp

        Filesize

        624KB

      • memory/1956-16-0x0000000074C80000-0x0000000075430000-memory.dmp

        Filesize

        7.7MB

      • memory/1956-0-0x00000000006B0000-0x0000000000748000-memory.dmp

        Filesize

        608KB

      • memory/1956-5-0x0000000005410000-0x0000000005420000-memory.dmp

        Filesize

        64KB

      • memory/1956-6-0x00000000050F0000-0x00000000050FA000-memory.dmp

        Filesize

        40KB

      • memory/1956-7-0x0000000005420000-0x0000000005476000-memory.dmp

        Filesize

        344KB

      • memory/1956-8-0x0000000074C80000-0x0000000075430000-memory.dmp

        Filesize

        7.7MB

      • memory/1956-9-0x0000000005410000-0x0000000005420000-memory.dmp

        Filesize

        64KB

      • memory/1956-2-0x00000000057B0000-0x0000000005D54000-memory.dmp

        Filesize

        5.6MB

      • memory/1956-3-0x0000000005100000-0x0000000005192000-memory.dmp

        Filesize

        584KB

      • memory/1956-1-0x0000000074C80000-0x0000000075430000-memory.dmp

        Filesize

        7.7MB

      • memory/3000-13-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/3000-17-0x0000000074C80000-0x0000000075430000-memory.dmp

        Filesize

        7.7MB

      • memory/3000-18-0x0000000005610000-0x0000000005620000-memory.dmp

        Filesize

        64KB

      • memory/3000-19-0x0000000005800000-0x0000000005866000-memory.dmp

        Filesize

        408KB

      • memory/3000-21-0x0000000006D30000-0x0000000006D80000-memory.dmp

        Filesize

        320KB

      • memory/3000-22-0x0000000074C80000-0x0000000075430000-memory.dmp

        Filesize

        7.7MB