Analysis

  • max time kernel
    43s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 09:05

General

  • Target

    2619329a708a9e8f6b77ef47ec6d1a5c8568423eb4121f57f9e3f5b881d34aa7.dll

  • Size

    42KB

  • MD5

    2ad3dc471e5f2f7c43e6f8c8635b0c4c

  • SHA1

    d6c39e0e38da0b9280d9a55dd26d9530a4a114fd

  • SHA256

    2619329a708a9e8f6b77ef47ec6d1a5c8568423eb4121f57f9e3f5b881d34aa7

  • SHA512

    338ead00b7a042400144d38dfe9d334abce5fe8f4f7e979abab7b5707b70fab90b171892e2a4e06d0134910c634196af8535a2d60a62f7b9720f396f2513f729

  • SSDEEP

    768:sYVFZfDNCqrWyMiquk2eYqcOIt739tHwDfpv9G6VTOp8iCbnhT37D:TVjJrrlPqBkq127N5OfJ9vVk8iE

Score
5/10

Malware Config

Signatures

  • Drops file in System32 directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\2619329a708a9e8f6b77ef47ec6d1a5c8568423eb4121f57f9e3f5b881d34aa7.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:896
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\2619329a708a9e8f6b77ef47ec6d1a5c8568423eb4121f57f9e3f5b881d34aa7.dll,#1
      2⤵
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:1952
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c C:\Windows\SysWOW64\clientui.bat
        3⤵
          PID:1128

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Windows\SysWOW64\clientui.bat

      Filesize

      140B

      MD5

      4a105e7151bafbb5fa7ee8bc658f8769

      SHA1

      ef82d224772a03f6d234a65267e47c8ff45f7081

      SHA256

      d319c3fb3700d66a607a2dccfd074cbf0903dadee3cfc2521b178beb40d8aaff

      SHA512

      8c0a2bb48576d21c80bfd1145f8cc2c0698ee36157edc03a302d3d2aba4a59dd5be95254168428c9473d4ef85f16a578883b558ae9106e1f5fbea675232c7a27

    • memory/1128-56-0x0000000000000000-mapping.dmp

    • memory/1952-54-0x0000000000000000-mapping.dmp

    • memory/1952-55-0x0000000075E31000-0x0000000075E33000-memory.dmp

      Filesize

      8KB