Resubmissions

02-08-2024 14:37

240802-rzb9lsxgrm 4

02-08-2024 14:35

240802-rx6qfaxgnr 3

Analysis

  • max time kernel
    0s
  • 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 14:35

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:2040
    • 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:2884
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2884 -s 644
        3⤵
        • Program crash
        PID:1440
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 188 -p 2884 -ip 2884
    1⤵
      PID:1588

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Discovery

    System Location Discovery

    1
    T1614

    System Language Discovery

    1
    T1614.001

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2884-1-0x0000000002390000-0x00000000028BF000-memory.dmp
      Filesize

      5.2MB

    • memory/2884-7-0x0000000002390000-0x00000000028BF000-memory.dmp
      Filesize

      5.2MB

    • memory/2884-6-0x000000006C8C0000-0x000000006C8FF000-memory.dmp
      Filesize

      252KB

    • memory/2884-5-0x0000000002390000-0x00000000028BF000-memory.dmp
      Filesize

      5.2MB

    • memory/2884-4-0x0000000002391000-0x0000000002639000-memory.dmp
      Filesize

      2.7MB

    • memory/2884-13-0x000000006FC40000-0x000000006FD41000-memory.dmp
      Filesize

      1.0MB

    • memory/2884-14-0x0000000002390000-0x00000000028BF000-memory.dmp
      Filesize

      5.2MB

    • memory/2884-12-0x0000000064940000-0x0000000064954000-memory.dmp
      Filesize

      80KB

    • memory/2884-11-0x0000000068AC0000-0x0000000068ACC000-memory.dmp
      Filesize

      48KB

    • memory/2884-10-0x000000006E940000-0x000000006E964000-memory.dmp
      Filesize

      144KB

    • memory/2884-9-0x0000000061B80000-0x0000000061B98000-memory.dmp
      Filesize

      96KB

    • memory/2884-8-0x000000006C8C0000-0x000000006C8FF000-memory.dmp
      Filesize

      252KB