Analysis

  • max time kernel
    93s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/05/2024, 12:25

General

  • Target

    199b2e34de6cc3dde9b75f46977642ca_NEIKI.exe

  • Size

    69KB

  • MD5

    199b2e34de6cc3dde9b75f46977642ca

  • SHA1

    d261ba4431921f083d52e9a607081dd95b47485d

  • SHA256

    94514f962d5548354d0e18ab4c25e85d759e024a2955bb0f8aaffd6519ec1d12

  • SHA512

    df87e3822eafe2b43052b073350801b3070317a5b221e5c9447bad35a008298f90a2d6309bb0f7d6f2c7fff20a04d015bd0ec7bcd7a11688bd550d6f75ef1562

  • SSDEEP

    1536:v6fqsAPQYGmPzmZDDZrV8sMQXGkfn33n7z5WeIuhCarA:yLAYUzmdD0sMQl7d7IuhCa8

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.

  • 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).

  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\199b2e34de6cc3dde9b75f46977642ca_NEIKI.exe
    "C:\Users\Admin\AppData\Local\Temp\199b2e34de6cc3dde9b75f46977642ca_NEIKI.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3536
    • C:\Users\Admin\AppData\Local\Temp\biudfw.exe
      "C:\Users\Admin\AppData\Local\Temp\biudfw.exe"
      2⤵
      • Executes dropped EXE
      PID:3124
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\sanfdr.bat" "
      2⤵
        PID:2256

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      69KB

      MD5

      fc580dd022d63798cb3f5a03ee3fee25

      SHA1

      6832f139162b622c35e53b4e53728be8599b0770

      SHA256

      8e9c230edf5cafa96600f78a6046a3f5268adb0692bef9022b3b4f4d4545ab37

      SHA512

      1d9af2673db12f41532bb7e28f6e37b54505c4c45e8611b777778459003e45476f2fc9fd426b42b5e6e10957ab5cbed97bf6e4e37db2b8705aecca342f6b31ae

    • 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

      286B

      MD5

      f2bbbc8b8f138275d08aa47999b9db85

      SHA1

      85f3ef510bf263401e823f48354e88f868ad8dea

      SHA256

      123ddb576972453117b27d9e6a56b2afb27e93eb1af0deeca7cd659e81e6c251

      SHA512

      ed72239e4b9aa2ff8f40c72d9bc0053a5f573474017742d9c21fd0f8c0caacea09ac37f3e987a3f5e54e006104d9535e7ae72bc6ffebe6228f96ef0fd2f936f4

    • memory/3124-15-0x0000000000EF0000-0x0000000000F17000-memory.dmp

      Filesize

      156KB

    • memory/3124-21-0x0000000000EF0000-0x0000000000F17000-memory.dmp

      Filesize

      156KB

    • memory/3124-23-0x0000000000EF0000-0x0000000000F17000-memory.dmp

      Filesize

      156KB

    • memory/3124-29-0x0000000000EF0000-0x0000000000F17000-memory.dmp

      Filesize

      156KB

    • memory/3536-0-0x0000000000950000-0x0000000000977000-memory.dmp

      Filesize

      156KB

    • memory/3536-18-0x0000000000950000-0x0000000000977000-memory.dmp

      Filesize

      156KB