Analysis

  • max time kernel
    94s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-11-2024 10:05

General

  • Target

    4c596693a9ef3552bc3a6ab872cec32e4904f6d30e6dfc84713ec0eb21c84f87.exe

  • Size

    109KB

  • MD5

    0d98dfa5f54bc8fb3c6587860609bf98

  • SHA1

    0d2f67f748e69ee62bee2f77ffc40ed984788305

  • SHA256

    4c596693a9ef3552bc3a6ab872cec32e4904f6d30e6dfc84713ec0eb21c84f87

  • SHA512

    42460ee0c20a6a9e0f8ebf716318fd91f077e75016d9475680a736b23ee7bad2010f86f941e476160003fd482d0efd8356adfc5734aa92232727fb7084b3828b

  • SSDEEP

    1536:3JoHHwAnTtIBcNCk+syhonfC3GNKcK7+sWjcd8sWL64TGFjI9g:4tCc+/h0fmSid81L64TGVI9g

Score
10/10

Malware Config

Extracted

Family

urelas

C2

218.54.47.76

218.54.47.77

218.54.47.74

Signatures

  • Urelas

    Urelas is a trojan targeting card games.

  • Urelas family
  • Checks computer location settings 2 TTPs 1 IoCs

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

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

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 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 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4c596693a9ef3552bc3a6ab872cec32e4904f6d30e6dfc84713ec0eb21c84f87.exe
    "C:\Users\Admin\AppData\Local\Temp\4c596693a9ef3552bc3a6ab872cec32e4904f6d30e6dfc84713ec0eb21c84f87.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3908
    • C:\Users\Admin\AppData\Local\Temp\biudfw.exe
      "C:\Users\Admin\AppData\Local\Temp\biudfw.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4504
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\sanfdr.bat" "
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1264

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\biudfw.exe

    Filesize

    109KB

    MD5

    27fcaf7a508906908971e3c83c9bfd76

    SHA1

    bbfb5af5e2648f2a136323c1153b912a74ecb09c

    SHA256

    4688bf51f5623bea3d466effb8000ca94df33bbd5d550f2b6aa9565d012d7248

    SHA512

    1c7e05a480d2a323e239bb25bce5396fb11bf4c5406c092f070c354b2238c51774f3faa0c03b1d50c7bc3d4be0c6f239b9e3090089377457d9c03a8c3134f4a2

  • C:\Users\Admin\AppData\Local\Temp\golfinfo.ini

    Filesize

    512B

    MD5

    429d29b7501cff75ffd4e7af0b24db41

    SHA1

    53808fde744d4d65aa2f4c48e8644a65f81be038

    SHA256

    8076fa1dc4b0ecf16960cc5c92abd9dc5c4542fb7ff92073e8b6a24ba1eea1c7

    SHA512

    83516d410586a6224af7cfc232b65d36a0e74e8c75264c737c20a9956aec011f1bd6343ad5b573219804cc8f76697a98b287d7117669e9375947fcfe49bd4e07

  • C:\Users\Admin\AppData\Local\Temp\sanfdr.bat

    Filesize

    338B

    MD5

    57b7110fe53331ea1f6bf56bbfcac5bc

    SHA1

    da240e91fc97aa28f3700354f303d1a3f88ea7b0

    SHA256

    710f16b1727ed7d25b68984d385bd3ab4629aa4f27d8956550088a1827e76861

    SHA512

    831efd6c353dc7ecc134dc67de5196638197c02d6702891fd9501fba1bc74117830db44b48047491bfdf2d09ac229ef7a59ee232714b3e63294b5da008306883

  • memory/3908-0-0x0000000000A20000-0x0000000000A44000-memory.dmp

    Filesize

    144KB

  • memory/3908-14-0x0000000000A20000-0x0000000000A44000-memory.dmp

    Filesize

    144KB

  • memory/4504-12-0x00000000008F0000-0x0000000000914000-memory.dmp

    Filesize

    144KB

  • memory/4504-17-0x00000000008F0000-0x0000000000914000-memory.dmp

    Filesize

    144KB

  • memory/4504-18-0x00000000008F0000-0x0000000000914000-memory.dmp

    Filesize

    144KB