Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/02/2023, 13:18

General

  • Target

    898dc231d09beb2abc5de9202f23edd80c20be10.exe

  • Size

    735KB

  • MD5

    8dd1e01db55e06e3375a55cee3193009

  • SHA1

    898dc231d09beb2abc5de9202f23edd80c20be10

  • SHA256

    fe867d208300886903bd50f715079f84291b6930c8b2aef827219b9689991f4f

  • SHA512

    f5d64e51ac6b61ff62eb31724300a0d0cb260e6485f13d1c6fd6f10b6d8bfa80ac5b6a82f1d341e5200adf5048bd50e974bcb8aa73a8b707822384f2018628ce

  • SSDEEP

    12288:1wFkvEsa40+w0DtzsROLdrClNDndaIuxAe/CE1OOGOO/OOUYvY89QY6vTNUW5KgS:iUE4zsYxcNDndNuxAe/CEREYPvTNB5dS

Malware Config

Signatures

  • 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). 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 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\898dc231d09beb2abc5de9202f23edd80c20be10.exe
    "C:\Users\Admin\AppData\Local\Temp\898dc231d09beb2abc5de9202f23edd80c20be10.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2040
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\DPSBLx" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF83F.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:260
    • C:\Users\Admin\AppData\Local\Temp\898dc231d09beb2abc5de9202f23edd80c20be10.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:3476

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\898dc231d09beb2abc5de9202f23edd80c20be10.exe.log

          Filesize

          1KB

          MD5

          17573558c4e714f606f997e5157afaac

          SHA1

          13e16e9415ceef429aaf124139671ebeca09ed23

          SHA256

          c18db6aecad2436da4a63ff26af4e3a337cca48f01c21b8db494fe5ccc60e553

          SHA512

          f4edf13f05a0d142e4dd42802098c8c44988ee8869621a62c2b565a77c9a95857f636583ff8d6d9baa366603d98b9bfbf1fc75bc6f9f8f83c80cb1215b2941cc

        • C:\Users\Admin\AppData\Local\Temp\tmpF83F.tmp

          Filesize

          1KB

          MD5

          a43823dfcc3846e0c31ae1765b97b376

          SHA1

          a13ea4a1e88725858a33013253c0ff7f0d6e3463

          SHA256

          5c48174c6f59cb8c4c9abd1f38fd13f011885471817ce51a3936b31b9166195e

          SHA512

          cb0a99607eb36a0100fb7a95e5116d2bb819ebd6365c78d5ece28fdbff4d16344bd3e3bbc31c8bf1fe37aed1b2d8e9a27a3f4d6939c55b6e2e359dc114d95534

        • memory/2040-135-0x00000000055C0000-0x0000000005652000-memory.dmp

          Filesize

          584KB

        • memory/2040-136-0x0000000005530000-0x000000000553A000-memory.dmp

          Filesize

          40KB

        • memory/2040-137-0x0000000005750000-0x00000000057A6000-memory.dmp

          Filesize

          344KB

        • memory/2040-132-0x0000000000B70000-0x0000000000C2E000-memory.dmp

          Filesize

          760KB

        • memory/2040-134-0x0000000005AD0000-0x0000000006074000-memory.dmp

          Filesize

          5.6MB

        • memory/2040-133-0x0000000005480000-0x000000000551C000-memory.dmp

          Filesize

          624KB

        • memory/3476-141-0x0000000000400000-0x0000000000430000-memory.dmp

          Filesize

          192KB

        • memory/3476-143-0x0000000005590000-0x00000000055F6000-memory.dmp

          Filesize

          408KB

        • memory/3476-144-0x0000000007220000-0x0000000007270000-memory.dmp

          Filesize

          320KB

        • memory/3476-145-0x0000000007490000-0x0000000007652000-memory.dmp

          Filesize

          1.8MB