Analysis

  • max time kernel
    150s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/10/2024, 19:27

General

  • Target
    1dc16907c189ac765c7d95fcd2695bae92ceb2690a1e35712bce3b302fa4cbe1.exe
  • Size 557KB
  • Sample241013-x52pcaycmj
  • SHA256 1dc16907c189ac765c7d95fcd2695bae92ceb2690a1e35712bce3b302fa4cbe1
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • urelas

C2
  • 1.234.83.146

  • 133.242.129.155

  • 218.54.31.226

  • 218.54.31.165

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
  • 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).

  • 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 64 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1dc16907c189ac765c7d95fcd2695bae92ceb2690a1e35712bce3b302fa4cbe1.exe
    "C:\Users\Admin\AppData\Local\Temp\1dc16907c189ac765c7d95fcd2695bae92ceb2690a1e35712bce3b302fa4cbe1.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1508
    • C:\Users\Admin\AppData\Local\Temp\qokuu.exe
      "C:\Users\Admin\AppData\Local\Temp\qokuu.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3460
      • C:\Users\Admin\AppData\Local\Temp\cuubv.exe
        "C:\Users\Admin\AppData\Local\Temp\cuubv.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        PID:3528
    • 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:3304

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 2f54ef30c389dd956a8b6bdd0599b570ad2ef9e8fbe50f7a6a1074a5aaab9ee3
        • MD5 SHA1 SHA512

        cuubv.exe

        • Path C:\Users\Admin\AppData\Local\Temp\cuubv.exe
        • Size 194KB
        • SHA256 f5de674ff792930f8a09945c805d1fcbf3f196cf2a7c39ef2bb72c8b0969e714
        • MD5 SHA1 SHA512 SSDEEP

        golfinfo.ini

        • Path C:\Users\Admin\AppData\Local\Temp\golfinfo.ini
        • Size 512B
        • SHA256 1c089a13b32dac6cb58d82b44b26548f6186eceb8936e1697558dc2600969178
        • MD5 SHA1 SHA512

        qokuu.exe

        • Path C:\Users\Admin\AppData\Local\Temp\qokuu.exe
        • Size 557KB
        • SHA256 16147b1875bee72705b9487a0077016b801ee7b4c95e184d3cec93824b5db317
        • MD5 SHA1 SHA512 SSDEEP

        memory/1508-14-0x0000000000400000-0x00000000004B6000-memory.dmp

        memory/1508-0-0x0000000000400000-0x00000000004B6000-memory.dmp

        memory/3460-28-0x0000000000400000-0x00000000004B6000-memory.dmp

        memory/3460-12-0x0000000000400000-0x00000000004B6000-memory.dmp

        memory/3460-17-0x0000000000400000-0x00000000004B6000-memory.dmp

        memory/3528-27-0x00000000001D0000-0x00000000001D2000-memory.dmp

        memory/3528-26-0x0000000000400000-0x0000000000494000-memory.dmp

        memory/3528-31-0x00000000001D0000-0x00000000001D2000-memory.dmp

        memory/3528-30-0x0000000000400000-0x0000000000494000-memory.dmp

        memory/3528-32-0x0000000000400000-0x0000000000494000-memory.dmp

        memory/3528-33-0x0000000000400000-0x0000000000494000-memory.dmp

        memory/3528-34-0x0000000000400000-0x0000000000494000-memory.dmp

        memory/3528-35-0x0000000000400000-0x0000000000494000-memory.dmp