Analysis

  • max time kernel
    119s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/10/2024, 01:38

General

  • Target
    d2e0c5ff2620e132517b40adf160ed0622f4375b17b07983668ab34f3dffba60N.exe
  • Size 330KB
  • Sample241004-b2dx8a1ena
  • SHA256 d2e0c5ff2620e132517b40adf160ed0622f4375b17b07983668ab34f3dffba60
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10

Malware Config

Extracted

Family
  • urelas

C2
  • 218.54.31.226

  • 218.54.31.165

  • 218.54.31.166

Signatures

  • Urelas

    Urelas is a trojan targeting card games.

  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 48 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d2e0c5ff2620e132517b40adf160ed0622f4375b17b07983668ab34f3dffba60N.exe
    "C:\Users\Admin\AppData\Local\Temp\d2e0c5ff2620e132517b40adf160ed0622f4375b17b07983668ab34f3dffba60N.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2128
    • C:\Users\Admin\AppData\Local\Temp\axdyv.exe
      "C:\Users\Admin\AppData\Local\Temp\axdyv.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4992
      • C:\Users\Admin\AppData\Local\Temp\juepn.exe
        "C:\Users\Admin\AppData\Local\Temp\juepn.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        PID:1964
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\_uinsey.bat" "
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3208

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        _uinsey.bat

        • Path C:\Users\Admin\AppData\Local\Temp\_uinsey.bat
        • Size 342B
        • SHA256 cc6a091f62ca5694ce2c33c332e5e01aca2a10fef02fadab1bce0f5b7b335e60
        • MD5 SHA1 SHA512

        axdyv.exe

        • Path C:\Users\Admin\AppData\Local\Temp\axdyv.exe
        • Size 330KB
        • SHA256 4f33b10011b26d485022d7cd7746d94b8afef0f25ea5dd8ffc80b6878f778562
        • MD5 SHA1 SHA512 SSDEEP

        golfinfo.ini

        • Path C:\Users\Admin\AppData\Local\Temp\golfinfo.ini
        • Size 512B
        • SHA256 c3e722fadcba5d69b811e4ca11ce34b6c9b4734c9693720974190646284bd921
        • MD5 SHA1 SHA512

        juepn.exe

        • Path C:\Users\Admin\AppData\Local\Temp\juepn.exe
        • Size 172KB
        • SHA256 3a7eb4bb07c6419e2f550a6d39453940e43c3c4c2411facbd0c91518ad279e2f
        • MD5 SHA1 SHA512 SSDEEP

        memory/1964-48-0x00000000003D0000-0x0000000000469000-memory.dmp

        memory/1964-40-0x00000000003D0000-0x0000000000469000-memory.dmp

        memory/1964-46-0x00000000003D0000-0x0000000000469000-memory.dmp

        memory/1964-47-0x0000000000D00000-0x0000000000D02000-memory.dmp

        memory/1964-38-0x00000000003D0000-0x0000000000469000-memory.dmp

        memory/1964-39-0x0000000000D00000-0x0000000000D02000-memory.dmp

        memory/2128-17-0x0000000000DC0000-0x0000000000E41000-memory.dmp

        memory/2128-0-0x0000000000DC0000-0x0000000000E41000-memory.dmp

        memory/2128-1-0x0000000000D20000-0x0000000000D21000-memory.dmp

        memory/4992-14-0x0000000000600000-0x0000000000601000-memory.dmp

        memory/4992-44-0x0000000000620000-0x00000000006A1000-memory.dmp

        memory/4992-20-0x0000000000620000-0x00000000006A1000-memory.dmp

        memory/4992-21-0x0000000000600000-0x0000000000601000-memory.dmp

        memory/4992-11-0x0000000000620000-0x00000000006A1000-memory.dmp