Analysis

  • max time kernel
    149s
  • max time network
    135s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    19-04-2021 07:33

General

  • Target

    Drawings_pdf.exe

  • Size

    699KB

  • MD5

    49b0e9e03c84e8ad389c2dda6038814a

  • SHA1

    7fc64feadb22791724f55808cbf872d1d5f8456e

  • SHA256

    22e3af3f64dbc6b64b2f47400be374dcf65bc990ac06bb2e7f77dbe1f61d922d

  • SHA512

    fb26c6661999b630ba3a80b4e9414c1f25cffe4a8387e40051552c00488d108175e5e16793ecc69cde3d3e3797f807f0b1c80dc27dfcfd86dcf3187e6f5e4634

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.soonlogistics.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    admin6640!

Signatures

  • AgentTesla

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

  • AgentTesla Payload 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). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Drawings_pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\Drawings_pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1348
    • 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\Drawings_pdf.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1132
    • C:\Users\Admin\AppData\Local\Temp\Drawings_pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\Drawings_pdf.exe"
      2⤵
        PID:1688
      • C:\Users\Admin\AppData\Local\Temp\Drawings_pdf.exe
        "C:\Users\Admin\AppData\Local\Temp\Drawings_pdf.exe"
        2⤵
          PID:900
        • C:\Users\Admin\AppData\Local\Temp\Drawings_pdf.exe
          "C:\Users\Admin\AppData\Local\Temp\Drawings_pdf.exe"
          2⤵
          • Adds Run key to start application
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:664

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/664-68-0x0000000000446C9E-mapping.dmp
      • memory/664-74-0x00000000021F0000-0x00000000021F1000-memory.dmp
        Filesize

        4KB

      • memory/664-70-0x0000000000400000-0x000000000044C000-memory.dmp
        Filesize

        304KB

      • memory/664-67-0x0000000000400000-0x000000000044C000-memory.dmp
        Filesize

        304KB

      • memory/1132-75-0x0000000004970000-0x0000000004971000-memory.dmp
        Filesize

        4KB

      • memory/1132-77-0x0000000002590000-0x0000000002591000-memory.dmp
        Filesize

        4KB

      • memory/1132-111-0x0000000006310000-0x0000000006311000-memory.dmp
        Filesize

        4KB

      • memory/1132-110-0x0000000006300000-0x0000000006301000-memory.dmp
        Filesize

        4KB

      • memory/1132-69-0x00000000762C1000-0x00000000762C3000-memory.dmp
        Filesize

        8KB

      • memory/1132-96-0x00000000061A0000-0x00000000061A1000-memory.dmp
        Filesize

        4KB

      • memory/1132-72-0x0000000000850000-0x0000000000851000-memory.dmp
        Filesize

        4KB

      • memory/1132-73-0x00000000049B0000-0x00000000049B1000-memory.dmp
        Filesize

        4KB

      • memory/1132-95-0x0000000006280000-0x0000000006281000-memory.dmp
        Filesize

        4KB

      • memory/1132-88-0x00000000060F0000-0x00000000060F1000-memory.dmp
        Filesize

        4KB

      • memory/1132-76-0x0000000004972000-0x0000000004973000-memory.dmp
        Filesize

        4KB

      • memory/1132-66-0x0000000000000000-mapping.dmp
      • memory/1132-78-0x0000000002710000-0x0000000002711000-memory.dmp
        Filesize

        4KB

      • memory/1132-81-0x0000000005650000-0x0000000005651000-memory.dmp
        Filesize

        4KB

      • memory/1132-86-0x00000000056B0000-0x00000000056B1000-memory.dmp
        Filesize

        4KB

      • memory/1132-87-0x000000007EF30000-0x000000007EF31000-memory.dmp
        Filesize

        4KB

      • memory/1348-62-0x0000000004C70000-0x0000000004C71000-memory.dmp
        Filesize

        4KB

      • memory/1348-60-0x0000000000290000-0x0000000000291000-memory.dmp
        Filesize

        4KB

      • memory/1348-63-0x0000000000380000-0x0000000000389000-memory.dmp
        Filesize

        36KB

      • memory/1348-64-0x0000000005170000-0x00000000051FC000-memory.dmp
        Filesize

        560KB

      • memory/1348-65-0x00000000050D0000-0x0000000005127000-memory.dmp
        Filesize

        348KB