Analysis

  • max time kernel
    94s
  • max time network
    95s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    07-12-2024 05:20

General

  • Target

    d76022b8cfb7ff7756ec20f02a9b102a8e109d5916da75a852cee2327bfcd73bN.exe

  • Size

    66KB

  • MD5

    525957cb9394b8019da37cb5237ea960

  • SHA1

    d8fdb97bef17159b94696c818b486a4eaae9383d

  • SHA256

    d76022b8cfb7ff7756ec20f02a9b102a8e109d5916da75a852cee2327bfcd73b

  • SHA512

    5860f49f5a7870ba4f119042cd974ca18e39ba0a0cacf53b206b0e7d730ac3a8bf379f5fa33044f8904d52a1b1cc71a2ff25f70a4324a0445c4922c55365ed88

  • SSDEEP

    1536:6bQx5oPsr2vFxDPhAvzgAQzFZ77MzeTmUD0l:6bQRSHpAvzyf7MzeThD0l

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
  • 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).

  • 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 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d76022b8cfb7ff7756ec20f02a9b102a8e109d5916da75a852cee2327bfcd73bN.exe
    "C:\Users\Admin\AppData\Local\Temp\d76022b8cfb7ff7756ec20f02a9b102a8e109d5916da75a852cee2327bfcd73bN.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3028
    • 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:2652
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\sanfdr.bat" "
      2⤵
      • Deletes itself
      • System Location Discovery: System Language Discovery
      PID:2776

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    512B

    MD5

    efd90b3ac908d5482af367de3a82184a

    SHA1

    de9f01d2ed0247b7b347e55c5a09721a60147fb9

    SHA256

    44f3db1bb73bb207a88008ae28d0399f888b5714ccccb2056f4148b4455e693d

    SHA512

    6e3355f895af1d81887d5750033c5a139e4a0e1c2c928aeef1fd37f9c191e754b1f524d252c229ea5e744dbef4dd0a8240d9d3443651d42de198e82a197afb02

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

    Filesize

    340B

    MD5

    d92ab9055bf6d72b416c969e7e1c6617

    SHA1

    4a356bdb18e04c3c260aaafa19e5fdd87060101f

    SHA256

    df8dadd45834f64e50c445d2095acd79acc694f782bbd45c0e60480ba6bbe082

    SHA512

    842bbcf153523456273444e0ea7aa08fcb66b2cee9fda72e842a58266ea9490c6edfb7e8825f76396d1d39bdfc702019dd82f5e37a92bcf0aa3b7f5221d50a2a

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

    Filesize

    66KB

    MD5

    46a36c62193a947d56a4422137dd69a0

    SHA1

    026bff2d3e738251a1c263fd104067b1725e719f

    SHA256

    ba2b8f08ecde2a2f9961c94a40999c24379f0c3583bbc8952dc3c5f2f41363b2

    SHA512

    e144f061d613e462ab1a9e70ede593ddaf66f6ad124b3b80d4f40c202030eb0f8e43abe0a5ee0e2a368f44efad7ce5b07cb8fe998066010ed66c409393b10d2f

  • memory/2652-17-0x0000000000AB0000-0x0000000000AD5000-memory.dmp

    Filesize

    148KB

  • memory/2652-22-0x0000000000AB0000-0x0000000000AD5000-memory.dmp

    Filesize

    148KB

  • memory/2652-24-0x0000000000AB0000-0x0000000000AD5000-memory.dmp

    Filesize

    148KB

  • memory/2652-31-0x0000000000AB0000-0x0000000000AD5000-memory.dmp

    Filesize

    148KB

  • memory/3028-0-0x0000000000FB0000-0x0000000000FD5000-memory.dmp

    Filesize

    148KB

  • memory/3028-8-0x0000000000950000-0x0000000000975000-memory.dmp

    Filesize

    148KB

  • memory/3028-19-0x0000000000FB0000-0x0000000000FD5000-memory.dmp

    Filesize

    148KB