Analysis

  • max time kernel
    94s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-08-2024 14:31

General

  • Target

    UltimMC/Qt5Core.dll

  • Size

    5.1MB

  • MD5

    db2f4ec716747a5ddecb146cfd124a90

  • SHA1

    dcc4e2efa1af32ed55c3b1d004eff6eaa2b6a02b

  • SHA256

    ffed386cbbe2363331632d9f12be8eb00cf654d95b4c2b0d287da57e93813f80

  • SHA512

    5db0356ff3dc3ef28e6a46dedb212c87ab791a61b8de682d0dbf22dda6630ca795e8aa89d4b8226f876440e47d5584e66dbeda481d8499c9f24f79506cf04005

  • SSDEEP

    98304:paO5O7s0XerbbAJIaKSA31cCvErDsNYWZSgkvDFIJsv6tWKFdu9CQlld0:BOoZX8O1cBdUSg8DiJsv6tWKFdu9CQZ

Score
3/10

Malware Config

Signatures

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\UltimMC\Qt5Core.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3436
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\UltimMC\Qt5Core.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2072
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2072 -s 676
        3⤵
        • Program crash
        PID:4620
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2072 -ip 2072
    1⤵
      PID:948

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Discovery

    System Location Discovery

    1
    T1614

    System Language Discovery

    1
    T1614.001

    Replay Monitor

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    Downloads

    • memory/2072-0-0x0000000068881000-0x0000000068B29000-memory.dmp
      Filesize

      2.7MB

    • memory/2072-1-0x0000000068880000-0x0000000068DAF000-memory.dmp
      Filesize

      5.2MB

    • memory/2072-4-0x000000006FC40000-0x000000006FD41000-memory.dmp
      Filesize

      1.0MB

    • memory/2072-3-0x000000006E940000-0x000000006E964000-memory.dmp
      Filesize

      144KB

    • memory/2072-2-0x0000000064940000-0x0000000064954000-memory.dmp
      Filesize

      80KB