Analysis

  • max time kernel
    153s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/03/2024, 17:08

General

  • Target
    01ae502f888424cdc5d5066e06043e187fbc928e7edb610cd6b1b034908f72c5.exe
  • Size 420KB
  • Sample240313-vnw2escd43
  • SHA256 01ae502f888424cdc5d5066e06043e187fbc928e7edb610cd6b1b034908f72c5
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10

Malware Config

Extracted

Family
  • urelas

C2
  • 218.54.31.226

  • 218.54.31.165

Signatures

  • Urelas

    Urelas is a trojan targeting card games.

  • ASPack v2.12-2.42 1 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • 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).

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\01ae502f888424cdc5d5066e06043e187fbc928e7edb610cd6b1b034908f72c5.exe
    "C:\Users\Admin\AppData\Local\Temp\01ae502f888424cdc5d5066e06043e187fbc928e7edb610cd6b1b034908f72c5.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2680
    • C:\Users\Admin\AppData\Local\Temp\hyixj.exe
      "C:\Users\Admin\AppData\Local\Temp\hyixj.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:1120
      • C:\Users\Admin\AppData\Local\Temp\nuzyd.exe
        "C:\Users\Admin\AppData\Local\Temp\nuzyd.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:2280
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\_uinsey.bat" "
      2⤵
        PID:4892

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          _uinsey.bat

          • Path C:\Users\Admin\AppData\Local\Temp\_uinsey.bat
          • Size 340B
          • SHA256 fed1d2ceccbc04813bd3c04ca974b9f9452697e3fd5b09e8500a917430318d89
          • MD5 SHA1 SHA512

          golfinfo.ini

          • Path C:\Users\Admin\AppData\Local\Temp\golfinfo.ini
          • Size 512B
          • SHA256 4092f33ecf29a5f111bdfb463367a867ff13d645f555d30144ade7fce5d68135
          • MD5 SHA1 SHA512

          hyixj.exe

          • Path C:\Users\Admin\AppData\Local\Temp\hyixj.exe
          • Size 420KB
          • SHA256 50f8c2c7d2523d067ba6eb7d5c00602aa1e806b18787b4ee2d19416d3373d3c5
          • MD5 SHA1 SHA512 SSDEEP

          nuzyd.exe

          • Path C:\Users\Admin\AppData\Local\Temp\nuzyd.exe
          • Size 212KB
          • SHA256 515e2a95cc250c07d94722d4eca37c739914605333f00ac26a943c8ef91d7fb3
          • MD5 SHA1 SHA512 SSDEEP

          memory/1120-12-0x0000000000400000-0x0000000000465000-memory.dmp

          memory/1120-28-0x0000000000400000-0x0000000000465000-memory.dmp

          memory/2280-26-0x00000000009C0000-0x0000000000A54000-memory.dmp

          memory/2280-24-0x00000000009C0000-0x0000000000A54000-memory.dmp

          memory/2280-29-0x00000000009C0000-0x0000000000A54000-memory.dmp

          memory/2280-27-0x00000000009C0000-0x0000000000A54000-memory.dmp

          memory/2280-31-0x00000000009C0000-0x0000000000A54000-memory.dmp

          memory/2280-32-0x00000000009C0000-0x0000000000A54000-memory.dmp

          memory/2280-33-0x00000000009C0000-0x0000000000A54000-memory.dmp

          memory/2280-34-0x00000000009C0000-0x0000000000A54000-memory.dmp

          memory/2680-0-0x0000000000400000-0x0000000000465000-memory.dmp

          memory/2680-14-0x0000000000400000-0x0000000000465000-memory.dmp