Resubmissions

02/08/2024, 14:37

240802-rzb9lsxgrm4

02/08/2024, 14:35

240802-rx6qfaxgnr3

Analysis

  • max time kernel
    146s
  • max time network
    157s
  • 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_iconfix.dll
  • Size 127KB
  • Sample240802-rzb9lsxgrm
  • SHA256 6940e02dd5c8b32c5782f3eb22ce39835eebf3ded1a39e0661385dc11e79cd15
  • MD5 SHA1 SHA512 SSDEEP
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_iconfix.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4476
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\UltimMC\libLauncher_iconfix.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4904
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4904 -s 636
        3⤵
        • Program crash
        PID:2600
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4904 -ip 4904
    1⤵
      PID:4892

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/4904-0-0x0000000002A30000-0x0000000002F5F000-memory.dmp

          memory/4904-5-0x0000000070940000-0x000000007095C000-memory.dmp

          memory/4904-4-0x0000000002A30000-0x0000000002F5F000-memory.dmp

          memory/4904-6-0x0000000002A31000-0x0000000002CD9000-memory.dmp

          memory/4904-7-0x0000000002A30000-0x0000000002F5F000-memory.dmp

          memory/4904-10-0x0000000068AC0000-0x0000000068ACC000-memory.dmp

          memory/4904-9-0x000000006E940000-0x000000006E964000-memory.dmp

          memory/4904-8-0x0000000070940000-0x000000007095C000-memory.dmp

          memory/4904-11-0x000000006FC40000-0x000000006FD41000-memory.dmp

          memory/4904-13-0x0000000061940000-0x0000000061EB5000-memory.dmp

          memory/4904-12-0x0000000064940000-0x0000000064954000-memory.dmp