Analysis

  • max time kernel
    92s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/04/2024, 19:40

General

  • Target
    2a128d28bffb20f634b875c91017c4f08da20f8c3ad655c733daeb8c0344d6e2.exe
  • Size 201KB
  • Sample240403-ydhb3aaf71
  • SHA256 2a128d28bffb20f634b875c91017c4f08da20f8c3ad655c733daeb8c0344d6e2
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10

Malware Config

Extracted

Family
  • urelas

C2
  • 218.54.47.77

  • 218.54.47.74

Signatures

  • Urelas

    Urelas is a trojan targeting card games.

  • UPX dump on OEP (original entry point) 6 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • UPX packed file 6 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2a128d28bffb20f634b875c91017c4f08da20f8c3ad655c733daeb8c0344d6e2.exe
    "C:\Users\Admin\AppData\Local\Temp\2a128d28bffb20f634b875c91017c4f08da20f8c3ad655c733daeb8c0344d6e2.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4512
    • C:\Users\Admin\AppData\Local\Temp\huter.exe
      "C:\Users\Admin\AppData\Local\Temp\huter.exe"
      2⤵
      • Executes dropped EXE
      PID:3536
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\sanfdr.bat" "
      2⤵
        PID:1444

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          golfinfo.ini

          • Path C:\Users\Admin\AppData\Local\Temp\golfinfo.ini
          • Size 512B
          • SHA256 5cfd1668ec0e5f3b5f8d04e54091d6f173bede6e6f9bb418819fd550095139fb
          • MD5 SHA1 SHA512

          huter.exe

          • Path C:\Users\Admin\AppData\Local\Temp\huter.exe
          • Size 201KB
          • SHA256 dcc20af8bb742cc43d726e9a076923a57737df6962a945a659e7ca5e612757c3
          • MD5 SHA1 SHA512 SSDEEP

          sanfdr.bat

          • Path C:\Users\Admin\AppData\Local\Temp\sanfdr.bat
          • Size 338B
          • SHA256 4c96c491649e1cf8272ea21417ba4d5593d4141a5e878f9cb0364a217a6643e9
          • MD5 SHA1 SHA512

          memory/3536-13-0x00000000007A0000-0x00000000007D3000-memory.dmp

          memory/3536-20-0x00000000007A0000-0x00000000007D3000-memory.dmp

          memory/3536-21-0x00000000007A0000-0x00000000007D3000-memory.dmp

          memory/4512-0-0x0000000000FF0000-0x0000000001023000-memory.dmp

          memory/4512-17-0x0000000000FF0000-0x0000000001023000-memory.dmp