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Analysis

  • max time kernel
    190s
  • max time network
    210s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    04/10/2022, 16:36

General

  • Target

    Purchase order.exe

  • Size

    748KB

  • MD5

    cb79dcc14ef80b76b3232932f13fcb28

  • SHA1

    615f3aacb6c2577dd39c33e0d7839fdde1c42306

  • SHA256

    acb576edbe932e77bedba1dcbd7cbf32cad8ff85bd206cfb1957a8733b5b3385

  • SHA512

    943c06fa4372c1e1cf2c2dc60967aa83244b850cf0076b88d9384f75d81d108140337d1474196f0299056108fe20e650838130b346ce512b8cde1c310e429404

  • SSDEEP

    12288:DxbI2iNPGm2jZbaMDxSmiPIPexKi5ADqjJ5nC:e19Z2VbaMDPiP8/sjrC

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.hussain-co.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    %%finance_@2018%

Signatures

  • AgentTesla

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

  • 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). 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 4 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\Purchase order.exe
    "C:\Users\Admin\AppData\Local\Temp\Purchase order.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1900
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\IdsJsAXg" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF6BE.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1204
    • C:\Users\Admin\AppData\Local\Temp\Purchase order.exe
      "{path}"
      2⤵
        PID:1968
      • C:\Users\Admin\AppData\Local\Temp\Purchase order.exe
        "{path}"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:1664

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmpF6BE.tmp

      Filesize

      1KB

      MD5

      0c6d529043ead25dbfda15255c7db31e

      SHA1

      5e5a56f1e69fa9601b8cda62669831fd6538fff8

      SHA256

      e7e44123f5b796113fdfe35ddb429e0ef64f846f62d1bc26a9cd550c5d54c87d

      SHA512

      ccdbdcf926aefe2cfb1943274ebc6b20bbb84d458ee75ec29a480fa133f2a79832d6cc47f4d18bbdb6d7a720ed933bf9f9cc1ec528663f170c88a108deb8c37f

    • memory/1664-64-0x0000000000400000-0x000000000043A000-memory.dmp

      Filesize

      232KB

    • memory/1664-61-0x0000000000400000-0x000000000043A000-memory.dmp

      Filesize

      232KB

    • memory/1664-65-0x0000000000400000-0x000000000043A000-memory.dmp

      Filesize

      232KB

    • memory/1664-62-0x0000000000400000-0x000000000043A000-memory.dmp

      Filesize

      232KB

    • memory/1664-66-0x0000000000400000-0x000000000043A000-memory.dmp

      Filesize

      232KB

    • memory/1664-69-0x0000000000400000-0x000000000043A000-memory.dmp

      Filesize

      232KB

    • memory/1664-71-0x0000000000400000-0x000000000043A000-memory.dmp

      Filesize

      232KB

    • memory/1900-57-0x0000000004A40000-0x0000000004ABA000-memory.dmp

      Filesize

      488KB

    • memory/1900-58-0x0000000000C30000-0x0000000000C6A000-memory.dmp

      Filesize

      232KB

    • memory/1900-56-0x00000000002B0000-0x00000000002D0000-memory.dmp

      Filesize

      128KB

    • memory/1900-55-0x0000000075131000-0x0000000075133000-memory.dmp

      Filesize

      8KB

    • memory/1900-54-0x0000000000DF0000-0x0000000000EB0000-memory.dmp

      Filesize

      768KB