Analysis

  • max time kernel
    144s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/02/2024, 17:45

General

  • Target

    tmp.exe

  • Size

    4.7MB

  • MD5

    5e94f0f6265f9e8b2f706f1d46bbd39e

  • SHA1

    d0189cba430f5eea07efe1ab4f89adf5ae2453db

  • SHA256

    50a46b3120da828502ef0caba15defbad004a3adb88e6eacf1f9604572e2d503

  • SHA512

    473dfa66a36feed9b29a43245074141478327ce22ba7cce512599379dcb783b4d665e2d65c5e9750b988c7ed8f6c3349a7a12d4b8b57c89840eee6ca6e1a30cd

  • SSDEEP

    49152:90oSiZ63YBmS9+rCgpvH8la0ZxRh+caGnj8HEQUhexTUT+1d/2/Tbt:0Ula0cGwXUheabt

Score
3/10

Malware Config

Signatures

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\tmp.exe
    "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
    1⤵
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4592
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\Temp\Task.bat" "
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4836
      • C:\Windows\SysWOW64\chcp.com
        chcp 1251
        3⤵
          PID:5636
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks /create /tn "MalayamaraUpdate" /tr "'C:\Users\Admin\AppData\Local\Temp\Updater.exe'" /sc minute /mo 30 /F
          3⤵
          • Creates scheduled task(s)
          PID:1640

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Roaming\Temp\Task.bat

            Filesize

            128B

            MD5

            11bb3db51f701d4e42d3287f71a6a43e

            SHA1

            63a4ee82223be6a62d04bdfe40ef8ba91ae49a86

            SHA256

            6be22058abfb22b40a42fb003f86b89e204a83024c03eb82cd53e2a0a047c331

            SHA512

            907ad2c070cc1db89f43459a94d7f48985d939d749c9648b78572a266f0d3fde47813a129e9151dbf4a7d96d36f588172f57c88b8b947b56ed818d7d068abab2

          • memory/4592-0-0x0000000000AD0000-0x0000000000AD1000-memory.dmp

            Filesize

            4KB

          • memory/4592-4-0x0000000000400000-0x00000000008E2000-memory.dmp

            Filesize

            4.9MB

          • memory/4592-6-0x0000000000AD0000-0x0000000000AD1000-memory.dmp

            Filesize

            4KB