Analysis

  • max time kernel
    96s
  • max time network
    97s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-12-2024 20:30

General

  • Target

    8b0b493dc30ddb2c1440820fb582d324c68f62cfba8c9d312f1d9496ca9a53a6N.exe

  • Size

    68KB

  • MD5

    be9048d51fe47d9767dc4dc8d6a09470

  • SHA1

    226c1623ded53b36835d36889329ba78ef101bf0

  • SHA256

    8b0b493dc30ddb2c1440820fb582d324c68f62cfba8c9d312f1d9496ca9a53a6

  • SHA512

    fb2b9c5479c1e915781fb216f2b08443f300b6b83d6e982b897d795a0008b2613585c4ae10c6bca2f95929092ee1cb67f1b734b2e8d3cfaff027eb9aa864bfd1

  • SSDEEP

    1536:v6fqsAPQYGmPzmZDDZrV8sMQXGkfn33n7z5WeIuhCarf:yLAYUzmdD0sMQl7d7IuhCaD

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\8b0b493dc30ddb2c1440820fb582d324c68f62cfba8c9d312f1d9496ca9a53a6N.exe
    "C:\Users\Admin\AppData\Local\Temp\8b0b493dc30ddb2c1440820fb582d324c68f62cfba8c9d312f1d9496ca9a53a6N.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2372
    • 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:1392
    • 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:872

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    68KB

    MD5

    8be2e4f8b62e3733903fae94d2a0f6b3

    SHA1

    31bc8a511aefd30ef512f663ffd139426054a98e

    SHA256

    ebf47463efdbe72a79abb994a5b34d518a0811b6aef66b6ff130958814338fdd

    SHA512

    55b13b1bc08a8fae5ded1980ce1a69286ee0635d0fbfadb03fa9c973f40c814546ba7bce9b4f59f8531678e825fb3f072bf140d8799cbf5df0d462f13ef78736

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

    Filesize

    512B

    MD5

    1c9b2720af0ca9528b47898d9c7f4799

    SHA1

    80495f16e333f54ecc700252323c2a7cb7d751e1

    SHA256

    d1ea9a17b5a635a121e82e7963d3b134f74050da9debcd40c9622f50c5d38fe5

    SHA512

    5afe876f2cd887458656b1747bce08d03f26ef286bcc83efa93e0111be856d0564bee4d6ef5637c167626bac121f7371b69c7952502d47784ac9ad568bf53eac

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

    Filesize

    340B

    MD5

    c9331fd4c4281435fbc27e639a0c77e1

    SHA1

    91e645c464f2f62b524d8c8d233e4d7d6cc31796

    SHA256

    56fa8bcfcbb951b528f0d2d7915d064118ab1b69bc721ce18cad6c8932eeecb7

    SHA512

    1e6813b8c155392e1f3df98695bf7a42211a35b0d022fbf83672b5b5e704ce800a13497ffbbbc2678c75b72b72c9440f7a495c3728142ec523cd9668b2db8a9e

  • memory/1392-15-0x0000000000EF0000-0x0000000000F17000-memory.dmp

    Filesize

    156KB

  • memory/1392-21-0x0000000000EF0000-0x0000000000F17000-memory.dmp

    Filesize

    156KB

  • memory/1392-23-0x0000000000EF0000-0x0000000000F17000-memory.dmp

    Filesize

    156KB

  • memory/1392-29-0x0000000000EF0000-0x0000000000F17000-memory.dmp

    Filesize

    156KB

  • memory/2372-0-0x0000000000A50000-0x0000000000A77000-memory.dmp

    Filesize

    156KB

  • memory/2372-18-0x0000000000A50000-0x0000000000A77000-memory.dmp

    Filesize

    156KB