Analysis

  • max time kernel
    60s
  • max time network
    34s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    28-03-2023 07:24

General

  • Target

    invoice.pdf.exe

  • Size

    791KB

  • MD5

    083c066431159d98ebffd1788bf43ee9

  • SHA1

    f0d68ddf58e4143bb14ee41263549c768fb0f181

  • SHA256

    0447c43cc9d78ef162784c4ae1ce6baa8289f9c159ec6baf735072a93bb51a88

  • SHA512

    1afa1aa274921cbb4d039b9a1a35aa38d52b2928e22547a6648a78e5a19aaa2e5220e626df245c9b5a483e3ee6d0afc74bac6a03f8c64214dd11eef4b5d14e4a

  • SSDEEP

    12288:Js1KdJVZz5d20qfcNdJaq5dsr1Z7SVJ2cJ0qSTXyl/ezVXUjlmlJkDLdjSV4AD7t:JsKVZ9fA8sRZoH0qSTXylpjlmMsV4AP

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    us2.smtp.mailhostbox.com
  • Port:
    587
  • Username:
    logs@modernplesticgoa.com
  • Password:
    JUGCRsm9
  • Email To:
    logs@modernplesticgoa.com

Signatures

  • AgentTesla

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

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 33 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\invoice.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\invoice.pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1104
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
        PID:1160
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
        2⤵
          PID:1488
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
          2⤵
            PID:1316
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
            2⤵
            • Accesses Microsoft Outlook profiles
            • Suspicious use of AdjustPrivilegeToken
            • outlook_office_path
            • outlook_win_path
            PID:808

        Network

        MITRE ATT&CK Matrix ATT&CK v6

        Collection

        Email Collection

        1
        T1114

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/808-67-0x0000000000400000-0x0000000000430000-memory.dmp
          Filesize

          192KB

        • memory/808-60-0x0000000000400000-0x0000000000430000-memory.dmp
          Filesize

          192KB

        • memory/808-71-0x0000000004DD0000-0x0000000004E10000-memory.dmp
          Filesize

          256KB

        • memory/808-70-0x0000000004DD0000-0x0000000004E10000-memory.dmp
          Filesize

          256KB

        • memory/808-62-0x0000000000400000-0x0000000000430000-memory.dmp
          Filesize

          192KB

        • memory/808-69-0x0000000000400000-0x0000000000430000-memory.dmp
          Filesize

          192KB

        • memory/808-65-0x0000000000400000-0x0000000000430000-memory.dmp
          Filesize

          192KB

        • memory/808-61-0x0000000000400000-0x0000000000430000-memory.dmp
          Filesize

          192KB

        • memory/808-64-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
          Filesize

          4KB

        • memory/808-63-0x0000000000400000-0x0000000000430000-memory.dmp
          Filesize

          192KB

        • memory/1104-58-0x0000000005780000-0x000000000582A000-memory.dmp
          Filesize

          680KB

        • memory/1104-55-0x0000000004D20000-0x0000000004D60000-memory.dmp
          Filesize

          256KB

        • memory/1104-54-0x0000000000A90000-0x0000000000B5C000-memory.dmp
          Filesize

          816KB

        • memory/1104-59-0x0000000000660000-0x0000000000692000-memory.dmp
          Filesize

          200KB

        • memory/1104-57-0x00000000003E0000-0x00000000003EC000-memory.dmp
          Filesize

          48KB

        • memory/1104-56-0x00000000003B0000-0x00000000003D0000-memory.dmp
          Filesize

          128KB