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Analysis

  • max time kernel
    162s
  • max time network
    170s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/10/2022, 03:27

General

  • Target

    6ed2cd0ad3af207c3b07e8f0ae43df89001f516e4edfab090bb2283a9bf4875d.dll

  • Size

    596KB

  • MD5

    7ba3161d629cc179412835c88c4500f7

  • SHA1

    8773e6711a316100db0f319ee6decd9d433fab1e

  • SHA256

    6ed2cd0ad3af207c3b07e8f0ae43df89001f516e4edfab090bb2283a9bf4875d

  • SHA512

    7ac20b72505ffe2a3d4c09896dc3d41da18d9d199c045ba053cc85de276256d9a53eb5917be362c7b771089adff80603d74a2b68195f6e632ab66ff6b4414776

  • SSDEEP

    12288:bXo450qjYthuCNIm/kqF6a2FjyHIDiroM3kN:y/ku6FjyHe+oM32

Score
8/10
upx

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • UPX packed file 3 IoCs

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

  • Drops file in System32 directory 1 IoCs
  • Program crash 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\6ed2cd0ad3af207c3b07e8f0ae43df89001f516e4edfab090bb2283a9bf4875d.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4904
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\6ed2cd0ad3af207c3b07e8f0ae43df89001f516e4edfab090bb2283a9bf4875d.dll,#1
      2⤵
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:4468
      • C:\Windows\SysWOW64\rundll32mgr.exe
        C:\Windows\SysWOW64\rundll32mgr.exe
        3⤵
        • Executes dropped EXE
        PID:4728
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4728 -s 264
          4⤵
          • Program crash
          PID:4720
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4468 -s 696
        3⤵
        • Program crash
        PID:4248
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4728 -ip 4728
    1⤵
      PID:3444
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 4468 -ip 4468
      1⤵
        PID:2352

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

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      Downloads

      • C:\Windows\SysWOW64\rundll32mgr.exe

        Filesize

        221KB

        MD5

        ce0c184845b7fcfffeb671f7f992a177

        SHA1

        41f7d4b9ddac19ba5cd10e4a4aff5168d4443171

        SHA256

        2c576d543410c985df7b044ef8dc203c0846016d16a5785d67556d3a85b86a96

        SHA512

        f41dc07ba2fa14a612dbf2d17b511b34413d6eae6af82ec5d5c44bf7c2b9a29b74e4eb436853c0618451f06a75f0b96078a66f715a6041f55fb697aef7d160ac

      • C:\Windows\SysWOW64\rundll32mgr.exe

        Filesize

        221KB

        MD5

        ce0c184845b7fcfffeb671f7f992a177

        SHA1

        41f7d4b9ddac19ba5cd10e4a4aff5168d4443171

        SHA256

        2c576d543410c985df7b044ef8dc203c0846016d16a5785d67556d3a85b86a96

        SHA512

        f41dc07ba2fa14a612dbf2d17b511b34413d6eae6af82ec5d5c44bf7c2b9a29b74e4eb436853c0618451f06a75f0b96078a66f715a6041f55fb697aef7d160ac

      • memory/4468-133-0x0000000010000000-0x00000000126CD000-memory.dmp

        Filesize

        38.8MB

      • memory/4468-138-0x0000000010000000-0x00000000126CD000-memory.dmp

        Filesize

        38.8MB

      • memory/4728-137-0x0000000000400000-0x0000000000473000-memory.dmp

        Filesize

        460KB