Analysis

  • max time kernel
    135s
  • max time network
    162s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-02-2024 06:11

General

  • Target

    VirusShare_c4210a26cc355b64ed5734df960b2b78.dll

  • Size

    209KB

  • MD5

    c4210a26cc355b64ed5734df960b2b78

  • SHA1

    d0716e4ee39e2caefc5844b35143a4d7e38ae4ec

  • SHA256

    838d2f9aa24bb10a81b1d750e116c443100f2be1093fc138e31621fd5911c460

  • SHA512

    f000f29368d3c77c14c901573995b05b3b252134af1a16c01e32e1bfb3d35195f1d220f380f7bf887851495c001d3b56dd86895ef608dac9e43f32f0da777f43

  • SSDEEP

    6144:T/q32rRjPhKuDkkLjp+ScgBKozpJ1XVSGuRq9M:myR9rIMHZBKI/XV2M

Score
9/10
upx

Malware Config

Signatures

  • UPX dump on OEP (original entry point) 2 IoCs
  • UPX packed file 2 IoCs

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

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

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\VirusShare_c4210a26cc355b64ed5734df960b2b78.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2656
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\VirusShare_c4210a26cc355b64ed5734df960b2b78.dll,#1
      2⤵
        PID:4608
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4608 -s 568
          3⤵
          • Program crash
          PID:3668
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 180 -p 4608 -ip 4608
      1⤵
        PID:4556

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/4608-0-0x0000000000400000-0x0000000000452000-memory.dmp
        Filesize

        328KB

      • memory/4608-1-0x00000000008D0000-0x00000000008E4000-memory.dmp
        Filesize

        80KB

      • memory/4608-2-0x0000000000400000-0x0000000000452000-memory.dmp
        Filesize

        328KB