Analysis

  • max time kernel
    93s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240730-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-07-2024 22:23

General

  • Target

    0d917d4356e49ad582f390894a45bdc0N.exe

  • Size

    55KB

  • MD5

    0d917d4356e49ad582f390894a45bdc0

  • SHA1

    3a3372a923573fcee7b87e493ba6d0a32000a379

  • SHA256

    a142637f6eacebb4de2997f61d82d2f14d1ff4b6e125f3c1b49806d13d3bc739

  • SHA512

    8f2ef9c8c30b2419214d0704482d1d041bf481f402cdfa3c68aa92d1d6325449c084776c6e648732fba6a2cea8bb4efeb5cff827bf0bea44457dca5fcad26283

  • SSDEEP

    1536:MQPzemdaNqAPG17k74qlmbbVgYyvxcd5jnGWqN7kS8Ac:MOemdTd1o74qlmbbJ+x+IkSc

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).

  • 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\0d917d4356e49ad582f390894a45bdc0N.exe
    "C:\Users\Admin\AppData\Local\Temp\0d917d4356e49ad582f390894a45bdc0N.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:676
    • 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:1704
    • 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:3528

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    55KB

    MD5

    0fc631fc024c40dc7e10c0ba9acebb93

    SHA1

    f4cb7871ff72c81c79e462b2b2c6795c12287447

    SHA256

    cc7f61e529d61e6506953d9bda6cd7798f3b5846c493f24095a111c5b4518ad3

    SHA512

    1ea20833016dee35b5cea742bbea81c623582237917e32409646a6da0dec6f4c4cbbb6d0fcdb34dbd73cd48c461196ff0f459e58ce7b5689b0a54e2e817ce6e8

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

    Filesize

    512B

    MD5

    7cdc8777d33db85bc19aefb64879a7f7

    SHA1

    f2d494d4dfe93a05eb58513935196e8578648adf

    SHA256

    9af382db716e39144dda99d3d9afbd5df9b65e6a36af229e715c00539bce6336

    SHA512

    34b075db80bf3704f76f9dd28eedffe88c9b3b5f730c79c27b9908fe2865847ae925487de2dcc1a8566bd3836d3b770ca3831d0b110312376684a92e42c6b48f

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

    Filesize

    276B

    MD5

    fbca1a090a554b4c8bd3cd0003d8d48b

    SHA1

    6bd217c7aaafe8e437e7dfc79a820b43d194a529

    SHA256

    15649ac2cf024c3f84ea48f22e8fe3f2488baa5078f7d14e7fa0c6705d1cc27a

    SHA512

    0a00ea714a5d3d9c7fc33eb639b957b3142484c315438fcc9a746adef8398eef5ee7635d003cf9e838bde1cf89388123b66b8841221facee69f4ab90a47f1570

  • memory/676-0-0x0000000000B30000-0x0000000000B56000-memory.dmp

    Filesize

    152KB

  • memory/676-15-0x0000000000B30000-0x0000000000B56000-memory.dmp

    Filesize

    152KB

  • memory/1704-12-0x00000000002D0000-0x00000000002F6000-memory.dmp

    Filesize

    152KB

  • memory/1704-18-0x00000000002D0000-0x00000000002F6000-memory.dmp

    Filesize

    152KB

  • memory/1704-20-0x00000000002D0000-0x00000000002F6000-memory.dmp

    Filesize

    152KB

  • memory/1704-26-0x00000000002D0000-0x00000000002F6000-memory.dmp

    Filesize

    152KB