Analysis

  • max time kernel
    291s
  • max time network
    323s
  • platform
    windows10-1703_x64
  • resource
    win10-20230220-es
  • resource tags

    arch:x64arch:x86image:win10-20230220-eslocale:es-esos:windows10-1703-x64systemwindows
  • submitted
    02-04-2023 17:50

General

  • Target

    Oneshot/libstdc++-6.dll

  • Size

    6.5MB

  • MD5

    bd2bf78da814697f6da9270081bfe965

  • SHA1

    9c91d7efc847518a883f330a1b7ebbb398a0b43e

  • SHA256

    0558a94515c1bc51c3bc5e40b0db6edc0b5f62f7099c3aa3f956e6a199bbbbea

  • SHA512

    1c31fc1ba07326597f431de5a0628ef5ef3a4c7b117bc601a1bffcc138151869687d3a4fca9b7efb1becea4f941519f748a64730acc41c5dd74268df8e44b1ac

  • SSDEEP

    49152:m+R3e+q6a47EQ3Fz/xwtK2h4a161Jo3/OXiQrVyA+sDucrHEaC2bJ8DPcSgdvJOq:mSq6abQA9aNLScrHEal8kvJXNU+

Score
3/10

Malware Config

Signatures

  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\Oneshot\libstdc++-6.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1252
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\Oneshot\libstdc++-6.dll,#1
      2⤵
        PID:1304
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1304 -s 632
          3⤵
          • Program crash
          PID:1648

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1304-121-0x000000006FE40000-0x00000000703DF000-memory.dmp
      Filesize

      5.6MB

    • memory/1304-122-0x000000006D0C0000-0x000000006D13A000-memory.dmp
      Filesize

      488KB