Analysis

  • max time kernel
    93s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250129-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-02-2025 14:38

General

  • Target

    e3dcdc96b8c4965c23b60d3aa9fab42b8493b6a5ffbaaefdb35d2218d2108b3aN.exe

  • Size

    69KB

  • MD5

    b2c1bddf5d65b19256c9d964710062f0

  • SHA1

    dbe208ef560ee7c139850060e7e4d3bc4cb01f8b

  • SHA256

    e3dcdc96b8c4965c23b60d3aa9fab42b8493b6a5ffbaaefdb35d2218d2108b3a

  • SHA512

    eed640c3281596ff8cfadad0653e4be1cccb57170a54f73b227e8f02f622246cf7279488976e5c4347b70a9bb1d9cacbb2904207a53c550187374007deaaa189

  • SSDEEP

    1536:04/WgLAjdZsp+uChoLnDeoqYAJjvLFymnHsPeOtx:l//AjMp+u2onejH2Pea

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\e3dcdc96b8c4965c23b60d3aa9fab42b8493b6a5ffbaaefdb35d2218d2108b3aN.exe
    "C:\Users\Admin\AppData\Local\Temp\e3dcdc96b8c4965c23b60d3aa9fab42b8493b6a5ffbaaefdb35d2218d2108b3aN.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:864
    • 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:5088
    • 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:1076

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    69KB

    MD5

    5950f24eb8015a124baf1d1ad4ba2df8

    SHA1

    30b54aa353e3e652400f20891f47019c953a8034

    SHA256

    f71b51164a9d5d4b200e38d65e628b3d8db126916336349ae983d12170ca39d1

    SHA512

    5c72d1607a41f8fae4aafb0f265c69233b551b6045681f740a2b056f57bdeb5af7fe7df5c8bf9329981842322e1e97e988684792ae3a89a9b05f91ebcf52e2be

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

    Filesize

    512B

    MD5

    a250860c0687ed9dda488805c025a2d2

    SHA1

    0c181ed3b46463d35631ca169f0928c33a1da389

    SHA256

    3947c34dfc780b424a3207c6ebe12f667bcb839733107f7a94fe495ec705cb37

    SHA512

    0286fcd24203ef574c9fc37200e4b0e65d58296162aa89b5424ab48b814bd237e609ab7eaf42a69bdad2ab6414bfbbfaec4757e28b29c69752e0e65a653f665a

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

    Filesize

    340B

    MD5

    31e7f85f4eeb16ed0ce1fdaf4dae0418

    SHA1

    1169cbf553aff5f8544c34a70bac1c623eef47a4

    SHA256

    6b73096255bbf8b10496a41673059dc4a4d8319f8c6fa6d836e45d8cba0558fc

    SHA512

    6d84f0c1cb13520e92897fed6d8a47d97cf26bff16d8bbc632dc29d839e57a0607509ed5b12bed6971001edd77406d7edd2ffe35f1f8f39c7e16112c7ddd6d58

  • memory/864-0-0x00000000008B0000-0x00000000008D8000-memory.dmp

    Filesize

    160KB

  • memory/864-17-0x00000000008B0000-0x00000000008D8000-memory.dmp

    Filesize

    160KB

  • memory/5088-15-0x0000000000C00000-0x0000000000C28000-memory.dmp

    Filesize

    160KB

  • memory/5088-20-0x0000000000C00000-0x0000000000C28000-memory.dmp

    Filesize

    160KB

  • memory/5088-22-0x0000000000C00000-0x0000000000C28000-memory.dmp

    Filesize

    160KB

  • memory/5088-29-0x0000000000C00000-0x0000000000C28000-memory.dmp

    Filesize

    160KB