Analysis

  • max time kernel
    95s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-11-2024 21:45

General

  • Target

    3b23e01ccddcce6ea19bbfd03a139ff40971d0fbae1838a810fc974067618bfc.exe

  • Size

    169KB

  • MD5

    a48ec8742c239425eb97f1976946de02

  • SHA1

    e8b55b254d54e5a602b389f3cd13cacd20dc3f52

  • SHA256

    3b23e01ccddcce6ea19bbfd03a139ff40971d0fbae1838a810fc974067618bfc

  • SHA512

    2737187742a75f8382cfc09055474faba9d3652f306791d8fd04d6920b8a745f62a5c29759c711a68eb91ea301057ec5d74767b1780ec521a53b8eef7585a9f7

  • SSDEEP

    3072:yp56zRJ83+OJ7NoGvdwWy6k04yW/KR0Yx4BXP1:yOzRWu27dlOd5/YWV9

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\3b23e01ccddcce6ea19bbfd03a139ff40971d0fbae1838a810fc974067618bfc.exe
    "C:\Users\Admin\AppData\Local\Temp\3b23e01ccddcce6ea19bbfd03a139ff40971d0fbae1838a810fc974067618bfc.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4544
    • 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:3652
    • 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:1816

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    169KB

    MD5

    63139c0611f863ebcc179f784d753cb2

    SHA1

    7a32b77d7bd9940b0d2a0efc2bd7ad5d9a50d5b2

    SHA256

    b6bd7d8099afc6f79dd71f346c0a37b03a58dbf479c2aee94a4c12829e95b492

    SHA512

    cb98df28ee0c12f95b98bdd67b2364b82454ca982272be4586213a1be6caee914ff53d33db10032ef352751c6bef32979957bc6edda25f994e42628a8bd40cc0

  • 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

    338B

    MD5

    4a07adf202e5d7e360ca60d39a584aed

    SHA1

    2c9e9076627cae02074cff57495cb2ee1243a581

    SHA256

    4888cc3f32ccbc16dfb9825a0460a26abfb20e39ec7eb92a86934558d70ed38f

    SHA512

    f46234b7cfbde062104d7eb42524191a901b9c98274753e5bf61fa9737590402d0b23a6d325fd4d88a70b8983b379b17e6c1c7f16039a3a404835901138385e7

  • memory/3652-13-0x0000000000920000-0x000000000094B000-memory.dmp

    Filesize

    172KB

  • memory/3652-20-0x0000000000920000-0x000000000094B000-memory.dmp

    Filesize

    172KB

  • memory/3652-21-0x0000000000920000-0x000000000094B000-memory.dmp

    Filesize

    172KB

  • memory/4544-0-0x0000000000F80000-0x0000000000FAB000-memory.dmp

    Filesize

    172KB

  • memory/4544-17-0x0000000000F80000-0x0000000000FAB000-memory.dmp

    Filesize

    172KB