Analysis

  • max time kernel
    93s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-12-2024 02:34

General

  • Target

    70bb5d2d8911581197f8b5f790797cc820b3734d6a1cfaa1a4050bb0ecf5181fN.exe

  • Size

    141KB

  • MD5

    ab8d41e8e3e63a68daa652ac6eba70e0

  • SHA1

    931a9f6e214e62b774707afaf29c05429a1f6fce

  • SHA256

    70bb5d2d8911581197f8b5f790797cc820b3734d6a1cfaa1a4050bb0ecf5181f

  • SHA512

    750bef7183b003d8e61e0e147bb9fea8db7b984e8105dde0b09e3e94eb5b864d39c733728da0b0dba5da0feeeb161126148edc19d9b2ca28c9665e075284fccb

  • SSDEEP

    1536:P/oEkqfCZ10zcT9Yh8AIXcjyz9cOXfiXGImcatMrsWjcdf6odgR5APfIQ:P/5kqCxiXEcO3XfGf2tMUf6odgR5A4Q

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\70bb5d2d8911581197f8b5f790797cc820b3734d6a1cfaa1a4050bb0ecf5181fN.exe
    "C:\Users\Admin\AppData\Local\Temp\70bb5d2d8911581197f8b5f790797cc820b3734d6a1cfaa1a4050bb0ecf5181fN.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2948
    • 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:3660
    • 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:3432

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    141KB

    MD5

    71a0c4698b30b9f059081d70ab0d510a

    SHA1

    01fae9396236bafa336ef519d078584f19263854

    SHA256

    f9bb2dd05018dd03040d2c8a504d0bacbe1232eaa6996b59885611b82ca98ab2

    SHA512

    0ba0964823d288afbc68baed8682f73020a60a6e46d68b321493667dcbafed19a87f39f418654ae49cb602aaffd735b2e198ab97e8e40dfbc403209a47fa2996

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

    Filesize

    512B

    MD5

    0ecda9ecaa423d5a8481985b7d3d5a77

    SHA1

    ecc237c20c234cf9c0e20b39a39ab27244dc7971

    SHA256

    caed69520592602de846673610507a47e22e0fb108e8e88ba1a85b314607f0a9

    SHA512

    82ce4bfc411781d187b6151383064f18e22b37f5f03d783476fed1c8ba74ee38dc74b16badf96961e22d6b63ae31425ae785c17fa3bd5d767ae3b0bd9652fe3a

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

    Filesize

    340B

    MD5

    4c59cc0023e519772a1b50d14818b97e

    SHA1

    332a27f50551f9042d3c5022148a82b3acd91274

    SHA256

    89fff26ba7e63838156518bf0065b0fb763bdfd4c55c497ea79582cb01c60600

    SHA512

    c1c495b1d13693f38d81472bec073a44324609595d9f3949f8ba91ac23ca8d923aa3514bc71527ee0e4a983b3da08c0c5026966a0fe167d84e81d810089ea875

  • memory/2948-0-0x00000000003D0000-0x00000000003F7000-memory.dmp

    Filesize

    156KB

  • memory/2948-17-0x00000000003D0000-0x00000000003F7000-memory.dmp

    Filesize

    156KB

  • memory/3660-13-0x00000000006A0000-0x00000000006C7000-memory.dmp

    Filesize

    156KB

  • memory/3660-20-0x00000000006A0000-0x00000000006C7000-memory.dmp

    Filesize

    156KB

  • memory/3660-21-0x00000000006A0000-0x00000000006C7000-memory.dmp

    Filesize

    156KB