Analysis

  • max time kernel
    171s
  • max time network
    190s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-11-2022 07:53

General

  • Target

    6e0ca4003bd4b89e301687de13b056ee217b7af225a632bce2caa567152861e6.dll

  • Size

    612KB

  • MD5

    0db60af73e34a4ba09de3b1558dd514d

  • SHA1

    13017cddef7cc47b7d71b06b70c3d6e7074f5e40

  • SHA256

    6e0ca4003bd4b89e301687de13b056ee217b7af225a632bce2caa567152861e6

  • SHA512

    8843943c290ad6d34e6d2452747a04f7469d1f36567cdb50df9866d0817b65b185a6c3dc4a5fa07e8250054c080292199eddb3f90af51ea17038042e4979ebf7

  • SSDEEP

    12288:QzA5lZhy6RpB/6eXMVVLrkwTzCunpKI13YEqWFzoV2wIn3:QzA5HhRPSeX2VHkuzRnpz1owzoV+

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\6e0ca4003bd4b89e301687de13b056ee217b7af225a632bce2caa567152861e6.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2448
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\6e0ca4003bd4b89e301687de13b056ee217b7af225a632bce2caa567152861e6.dll,#1
      2⤵
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:856
      • C:\Windows\SysWOW64\rundll32mgr.exe
        C:\Windows\SysWOW64\rundll32mgr.exe
        3⤵
        • Executes dropped EXE
        PID:2748
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2748 -s 272
          4⤵
          • Program crash
          PID:3748
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 856 -s 608
        3⤵
        • Program crash
        PID:1044
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 2748 -ip 2748
    1⤵
      PID:4040
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 856 -ip 856
      1⤵
        PID:260

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Windows\SysWOW64\rundll32mgr.exe

        Filesize

        201KB

        MD5

        7b4a2b65b51c60e60ea130369f40c738

        SHA1

        8d7f4bc58939c4e4baf1ce06deafb680b8d11499

        SHA256

        de51bdd32b29b065f51ea411e75069e7d1c45409a88377537b048c1c3de2ceab

        SHA512

        d74b5f5ec59ec34f030e1f4772f917e286b9e725df2a1a09f9c4c9e61b97455b573ce95b593e392c3903ad8120c5a43670251d8a7353dc6a3c2e239b5b68a583

      • C:\Windows\SysWOW64\rundll32mgr.exe

        Filesize

        201KB

        MD5

        7b4a2b65b51c60e60ea130369f40c738

        SHA1

        8d7f4bc58939c4e4baf1ce06deafb680b8d11499

        SHA256

        de51bdd32b29b065f51ea411e75069e7d1c45409a88377537b048c1c3de2ceab

        SHA512

        d74b5f5ec59ec34f030e1f4772f917e286b9e725df2a1a09f9c4c9e61b97455b573ce95b593e392c3903ad8120c5a43670251d8a7353dc6a3c2e239b5b68a583

      • memory/856-133-0x0000000000000000-mapping.dmp

      • memory/856-137-0x0000000074CA0000-0x0000000074D3F000-memory.dmp

        Filesize

        636KB

      • memory/2748-134-0x0000000000000000-mapping.dmp

      • memory/2748-138-0x0000000000400000-0x0000000000475000-memory.dmp

        Filesize

        468KB