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Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/01/2024, 19:03

General

  • Target

    41ab5171ab01c33b6ab3c99c0bbc238b.exe

  • Size

    13.6MB

  • MD5

    41ab5171ab01c33b6ab3c99c0bbc238b

  • SHA1

    ee64a916167c4e3790e238bc2c91ee2fd46a3652

  • SHA256

    479a38d36694b48372c4994002ae90cd991c217bf91fc98bb0eadd4399a8318d

  • SHA512

    5173bbaab41c0f82413d3e571948b1779bb012d9b13357a551b75ffb259f6e8b35f2c9bbd46c4b8a340d9c7b3f27a446e7da74d26b99d4a349d3f2704cb78a0d

  • SSDEEP

    98304:jjBxcO4EYTjmOxTPKvXhH1yjmOxTPKvXK1yjmOxTPKvXhPsY+dy0ZScIBqBT11o:jjBxcO4jjmUjNUjqsC

Score
8/10

Malware Config

Signatures

  • Drops file in Drivers directory 2 IoCs
  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 7 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 1 IoCs
  • Program crash 1 IoCs
  • NTFS ADS 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\41ab5171ab01c33b6ab3c99c0bbc238b.exe
    "C:\Users\Admin\AppData\Local\Temp\41ab5171ab01c33b6ab3c99c0bbc238b.exe"
    1⤵
    • Drops file in Drivers directory
    • Adds Run key to start application
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • NTFS ADS
    • Suspicious behavior: EnumeratesProcesses
    PID:4896
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4896 -s 2168
      2⤵
      • Program crash
      PID:4320
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4896 -ip 4896
    1⤵
      PID:4196

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\wkw4D2.tmp

      Filesize

      2.9MB

      MD5

      9062b2393a10482a43a1de1741cfb2ba

      SHA1

      ab3a2051932d3cb96d63672fbdcd731f6b13f4fa

      SHA256

      0959500087ce2ff023accdbe17155a389aafc9961f9ac7049d3bb75031961553

      SHA512

      3372c57b707a82684fe0fec685c9f08791b5784566eca41e43b1baac669619019973a3ba974771e7bcb7816b06fac094879bb1689cb3b6db49f6b6a943e5c42c

    • memory/4896-0-0x0000000000400000-0x0000000000450000-memory.dmp

      Filesize

      320KB

    • memory/4896-410-0x0000000000400000-0x0000000000450000-memory.dmp

      Filesize

      320KB