Analysis

  • max time kernel
    98s
  • max time network
    98s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-10-2024 04:31

General

  • Target

    82ec056d7dd56179f06d3681c2b342a385d860b1885a1800f71e11be6d8653aaN.exe

  • Size

    272KB

  • MD5

    ac8bf2e5d6913198ca725bcadd2850b0

  • SHA1

    85e654d8996ff42801f7236d9a9491cc511898ba

  • SHA256

    82ec056d7dd56179f06d3681c2b342a385d860b1885a1800f71e11be6d8653aa

  • SHA512

    2b2874be2bc2250d7978a583e458066d78aff12d1162ecad998852a8f3c4352e0406f3fac730e275a141c7593dbac802ec6e271e6e7b6fc6ddb37f6d34513e7a

  • SSDEEP

    3072:pp56zRJ83+OJ7NoGvdwWy6k04yW/KME0jj0e:pOzRWu27dlOd5W0r

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\82ec056d7dd56179f06d3681c2b342a385d860b1885a1800f71e11be6d8653aaN.exe
    "C:\Users\Admin\AppData\Local\Temp\82ec056d7dd56179f06d3681c2b342a385d860b1885a1800f71e11be6d8653aaN.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2028
    • 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:4696
    • 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:2968

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    272KB

    MD5

    a0e8f6519186c5191a6b95cf79867362

    SHA1

    f38d32dbce46174cc6612964c0bd1189e12ae9e6

    SHA256

    0a7d915a7074bf1fe9cbb4eb7aa88139bfb87f4641cfae36a417a19bf2aa677b

    SHA512

    3296726beffa38d82738315345e1727d26dd0da5855dc344fe6639cc5ed567a0218d711ceadd1fba6155113541e7dd43aeb3e30b168be0180e88826e33f9e9cb

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

    Filesize

    512B

    MD5

    ac5e84ed8031d66a9fcd5e472ba8091b

    SHA1

    06303add604104d6abbb69458f89773c066b470c

    SHA256

    3a3cfa6f4786dab0ac8bc76204948f32a3a2cbd094922f87c251ec80d22baae5

    SHA512

    7bf829102a70a1304dae435b8ae3c9ef9a925af7e995fe381d80730f4f702e1fd2a0a1b6a3a4b4667925f5bb95c897166a8fc0f52d3171d9cdba0bf09b53f152

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

    Filesize

    340B

    MD5

    9411a7e5b4e13d2663f59583cdf06c3a

    SHA1

    6e556e2b41d17e1ceab0d7d5189c5d5b5223e365

    SHA256

    c918d267437f73d3dba5d374e39a0c944d6bb7a8de7788578252bf75367506c1

    SHA512

    43616f452682ee7148fef9ace69ca2d71d2236d5697ef83c1cd19c413295383740bc2104d5037f7dab0f83d403a4869ea878f03da875ef24ed6994fa5f222590

  • memory/2028-0-0x0000000000690000-0x00000000006D6000-memory.dmp

    Filesize

    280KB

  • memory/2028-17-0x0000000000690000-0x00000000006D6000-memory.dmp

    Filesize

    280KB

  • memory/4696-15-0x0000000000220000-0x0000000000266000-memory.dmp

    Filesize

    280KB

  • memory/4696-20-0x0000000000220000-0x0000000000266000-memory.dmp

    Filesize

    280KB

  • memory/4696-21-0x0000000000220000-0x0000000000266000-memory.dmp

    Filesize

    280KB