Analysis

  • max time kernel
    119s
  • max time network
    89s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    16-07-2024 06:29

General

  • Target

    815c519c72a50051d4cebaff3f4d2810N.exe

  • Size

    56KB

  • MD5

    815c519c72a50051d4cebaff3f4d2810

  • SHA1

    bdb780f001c05599f825776d62e54d5c6c38fd91

  • SHA256

    5eab0cfa0f6c916740515e4ea6389ca0a55c1108c993532143e962d1f289c122

  • SHA512

    eb72003d8ee4fbc469a8a735af81317721dfe96a4dc67f2b5c6f1b4c1c24870d2581aaee3c2641495969ad699a66b8235dcb1a356099e5c39ef5a8c7c158b86d

  • SSDEEP

    1536:MQPzemdaNqAPG17k74qlmbbVgYyvxcd5jnGWqN7kS88k:MOemdTd1o74qlmbbJ+x+Ik6k

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.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\815c519c72a50051d4cebaff3f4d2810N.exe
    "C:\Users\Admin\AppData\Local\Temp\815c519c72a50051d4cebaff3f4d2810N.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2088
    • C:\Users\Admin\AppData\Local\Temp\biudfw.exe
      "C:\Users\Admin\AppData\Local\Temp\biudfw.exe"
      2⤵
      • Executes dropped EXE
      PID:2472
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\sanfdr.bat" "
      2⤵
      • Deletes itself
      PID:2292

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • 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

    20b1348571562bbb719adce0f53c43ed

    SHA1

    a1fe8a193779dc356c90cc83bc978f6eebfd2a29

    SHA256

    7d4b8fa2e4deff14dfd4ed3be2497311350d8b32622d11164521b1994301f8d9

    SHA512

    101adf1a271656ada5d9651092cfa2009c603ebefc7a981e63b1dc776122a0b57ce5beef396721120ec10f3e620c937c38c4daeeb79c04daa306986fe4925e71

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

    Filesize

    56KB

    MD5

    76d4373444be71064ed15ae25938830e

    SHA1

    e62ad48949ab6a8464bdccc760ead1d92b80ec9a

    SHA256

    7128dff2a302ae6a3478b77084892795bda555bba0db0fdf78b2e7e4ea643ac9

    SHA512

    4d4beb627664b6d1e9059725b274e25f820f0a281e4ad2d859770e64488f0d860f39c322f29923b3cd4ee5695debc10dc606aae9f48b51a9b6948ebfcf8f271b

  • memory/2088-0-0x00000000012C0000-0x00000000012E6000-memory.dmp

    Filesize

    152KB

  • memory/2088-8-0x00000000004B0000-0x00000000004D6000-memory.dmp

    Filesize

    152KB

  • memory/2088-19-0x00000000012C0000-0x00000000012E6000-memory.dmp

    Filesize

    152KB

  • memory/2472-10-0x0000000001350000-0x0000000001376000-memory.dmp

    Filesize

    152KB

  • memory/2472-22-0x0000000001350000-0x0000000001376000-memory.dmp

    Filesize

    152KB

  • memory/2472-24-0x0000000001350000-0x0000000001376000-memory.dmp

    Filesize

    152KB

  • memory/2472-31-0x0000000001350000-0x0000000001376000-memory.dmp

    Filesize

    152KB