Analysis

  • max time kernel
    135s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-05-2024 01:20

General

  • Target

    3982681ae0c7a6eb1f82c28ec0ed02c237de0b1dbd6e298c9a786c68427f4e0f.dll

  • Size

    572KB

  • MD5

    c6c8ac637b64b7a5013de464d8e32308

  • SHA1

    5e128ea3f5bb943f6edec3e6e9e42d739652e0f8

  • SHA256

    3982681ae0c7a6eb1f82c28ec0ed02c237de0b1dbd6e298c9a786c68427f4e0f

  • SHA512

    2d19dffa7301f11ccde14c85f9ae88a6fcefad552b84890bfce804c3d61f2eda8efd3ae2a7bbdd015cdec8ff8963a988b14f0dcf4ab9d43782315c35f4f27d6e

  • SSDEEP

    6144:5uRydcGid80GZydrXAjoiWCFAviiJy59qsfnd9idBWqpivTaZbNbySno/xn8CGGC:5uRyvidfd0oRoueCMlC+/tgr

Score
9/10
upx

Malware Config

Signatures

  • UPX dump on OEP (original entry point) 1 IoCs
  • UPX packed file 1 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\3982681ae0c7a6eb1f82c28ec0ed02c237de0b1dbd6e298c9a786c68427f4e0f.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1676
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\3982681ae0c7a6eb1f82c28ec0ed02c237de0b1dbd6e298c9a786c68427f4e0f.dll,#1
      2⤵
        PID:4852
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4852 -s 600
          3⤵
          • Program crash
          PID:3440
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4852 -ip 4852
      1⤵
        PID:2248

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/4852-0-0x0000000074B90000-0x0000000074BA7000-memory.dmp

        Filesize

        92KB