Analysis

  • max time kernel
    143s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/05/2023, 11:51

General

  • Target

    Перший примірник.docx.exe

  • Size

    297KB

  • MD5

    0c632fb3ccb4dfc663a3a04d30c72a88

  • SHA1

    fa2646d4e9986026336e7467d918c6cd559d5092

  • SHA256

    f7c4d7505fc240e13049f69cfaaefd0025d960f399fa06d0ddc88f04e4bae58e

  • SHA512

    aff3ee207a6e64f7518c830ea2608b3e144deb5b9871f4f40488ff7772a39fa5d5a31e6126d4cf14c43e5c5632d8a5042f5b59308e884e2dbdd97ef823f293dc

  • SSDEEP

    6144:/Ya6Glv75Cvqh9aTJ9VfCB3BY37zPYItnTNwwdS4fbef/PkVr50+:/Yol9nwT7+RY3nPN/dSEbaQr5b

Malware Config

Signatures

  • AgentTesla

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

  • AgentTesla payload 4 IoCs
  • Loads dropped DLL 1 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).

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Перший примірник.docx.exe
    "C:\Users\Admin\AppData\Local\Temp\Перший примірник.docx.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:4364
    • C:\Users\Admin\AppData\Local\Temp\Перший примірник.docx.exe
      "C:\Users\Admin\AppData\Local\Temp\Перший примірник.docx.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:4524

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\nse78A2.tmp\jqyrvpdjr.dll

          Filesize

          5KB

          MD5

          d18e89408b3f72991ade8775e45ca687

          SHA1

          3223368f489c1a8b1a88e0a2d3f317a2fcbc8fc1

          SHA256

          aac5fe09ea1e942ac7dd0fb2d79ec19661eb94b3eeedd244683c26f551e2f043

          SHA512

          348d905a2f7987f03cef7a7fdbec388bf8b8cce02090a0a35ebf643c7b11cf3d8fb9fc82da33ff602014a1370a6e1e06c6e41f6bd0851e88da897ac8d3fd7c7e

        • memory/4364-139-0x0000000002500000-0x0000000002502000-memory.dmp

          Filesize

          8KB

        • memory/4524-140-0x0000000000400000-0x000000000044E000-memory.dmp

          Filesize

          312KB

        • memory/4524-141-0x0000000000400000-0x000000000044E000-memory.dmp

          Filesize

          312KB

        • memory/4524-142-0x0000000000400000-0x000000000044E000-memory.dmp

          Filesize

          312KB

        • memory/4524-143-0x00000000049A0000-0x0000000004F44000-memory.dmp

          Filesize

          5.6MB

        • memory/4524-144-0x0000000004FB0000-0x0000000005042000-memory.dmp

          Filesize

          584KB

        • memory/4524-145-0x0000000000400000-0x000000000044E000-memory.dmp

          Filesize

          312KB

        • memory/4524-146-0x0000000004940000-0x0000000004950000-memory.dmp

          Filesize

          64KB

        • memory/4524-147-0x0000000005190000-0x000000000522C000-memory.dmp

          Filesize

          624KB

        • memory/4524-148-0x0000000004940000-0x0000000004950000-memory.dmp

          Filesize

          64KB

        • memory/4524-149-0x0000000005C40000-0x0000000005CA6000-memory.dmp

          Filesize

          408KB

        • memory/4524-151-0x0000000004940000-0x0000000004950000-memory.dmp

          Filesize

          64KB

        • memory/4524-152-0x0000000004940000-0x0000000004950000-memory.dmp

          Filesize

          64KB

        • memory/4524-153-0x0000000004940000-0x0000000004950000-memory.dmp

          Filesize

          64KB

        • memory/4524-161-0x0000000005970000-0x00000000059C0000-memory.dmp

          Filesize

          320KB

        • memory/4524-162-0x0000000005D90000-0x0000000005D9A000-memory.dmp

          Filesize

          40KB