Resubmissions

02-08-2024 14:37

240802-rzb9lsxgrm 4

02-08-2024 14:35

240802-rx6qfaxgnr 3

Analysis

  • max time kernel
    146s
  • max time network
    156s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240730-en
  • resource tags

    arch:x64arch:x86image:win11-20240730-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    02-08-2024 14:37

General

  • Target

    UltimMC/libLauncher_quazip.dll

  • Size

    313KB

  • MD5

    2d8d8802199fbdc1a2722e6aa3163ed6

  • SHA1

    1520f952e4217cd8deb3db1a69ce7b00c7667335

  • SHA256

    e542222b63431cf09406529d9b8142d5455f66699b24a8af3589858a7c72dc5f

  • SHA512

    d2f3f5b690b564c0049e00bbfb3f604d5b73f345af23f1f8d8d1ad2a37a89c4aae9f13374dfd9091e8dfaa24318ed86c8f892faea6d0bd6105bb8b1e91aee998

  • SSDEEP

    6144:Y2GqFejo44ffwqGOIq/2aPWt8RJhywVapRwT5yM:YqFBF0Oh9T

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\libLauncher_quazip.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3760
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\UltimMC\libLauncher_quazip.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3496
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3496 -s 416
        3⤵
        • Program crash
        PID:3592
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3496 -ip 3496
    1⤵
      PID:2216

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/3496-0-0x0000000002B30000-0x000000000305F000-memory.dmp

      Filesize

      5.2MB

    • memory/3496-5-0x0000000002B31000-0x0000000002DD9000-memory.dmp

      Filesize

      2.7MB

    • memory/3496-6-0x000000006C8C0000-0x000000006C8FF000-memory.dmp

      Filesize

      252KB

    • memory/3496-3-0x0000000002B30000-0x000000000305F000-memory.dmp

      Filesize

      5.2MB

    • memory/3496-7-0x0000000002B30000-0x000000000305F000-memory.dmp

      Filesize

      5.2MB

    • memory/3496-13-0x000000006FC40000-0x000000006FD41000-memory.dmp

      Filesize

      1.0MB

    • memory/3496-12-0x0000000064940000-0x0000000064954000-memory.dmp

      Filesize

      80KB

    • memory/3496-11-0x000000006E940000-0x000000006E964000-memory.dmp

      Filesize

      144KB

    • memory/3496-10-0x0000000068AC0000-0x0000000068ACC000-memory.dmp

      Filesize

      48KB

    • memory/3496-9-0x0000000061B80000-0x0000000061B98000-memory.dmp

      Filesize

      96KB

    • memory/3496-8-0x000000006C8C0000-0x000000006C8FF000-memory.dmp

      Filesize

      252KB