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Analysis

  • max time kernel
    150s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/04/2024, 20:42

General

  • Target

    fb3775cf3ffe36b9c5cfb9f37ad5e638.exe

  • Size

    415KB

  • MD5

    fb3775cf3ffe36b9c5cfb9f37ad5e638

  • SHA1

    fe8ce16de51789591531d2c30813329a49953326

  • SHA256

    afd5947c53ec3fbfa05babc02f2a638c6b9a59d1303bd9802ad23584465d91eb

  • SHA512

    ad3366cc580c7e6271747f004683a5d043dad0d57b62d83ca98ab37d985b37295510a02e5bae7ff60497f3d57419710b9a53555c0fd0e0fdea70084ef999fc6e

  • SSDEEP

    6144:bzwArTEDSCs5wL0DKlpn/URBudL7qRBpkvfsModogZ/SvnDTH95r:bMmQDSCs5wo0e8L7qRbQUugennHX

Score
10/10

Malware Config

Extracted

Family

urelas

C2

1.234.83.146

133.242.129.155

218.54.31.226

218.54.31.165

Signatures

  • Urelas

    Urelas is a trojan targeting card games.

  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fb3775cf3ffe36b9c5cfb9f37ad5e638.exe
    "C:\Users\Admin\AppData\Local\Temp\fb3775cf3ffe36b9c5cfb9f37ad5e638.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:540
    • C:\Users\Admin\AppData\Local\Temp\hinuu.exe
      "C:\Users\Admin\AppData\Local\Temp\hinuu.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:1008
      • C:\Users\Admin\AppData\Local\Temp\bykid.exe
        "C:\Users\Admin\AppData\Local\Temp\bykid.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:3256
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\_uinsey.bat" "
      2⤵
        PID:320

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      276B

      MD5

      1750aa75e225f011f32fc32e633fd45b

      SHA1

      60bcc738c3e74d6e5767e33434bf5d44f9d38287

      SHA256

      ba68800b86f85fd03d60200be65a883fe54e2378b8c74d176cda495567cc6f81

      SHA512

      8eb27ba9f6529af41309758d9066724ec664e3c7408cd279ed610e06e66bf2a64333ab4792004cc9d1728e40b10c0f8ccf91fd56195734485b5b83185a9055dd

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

      Filesize

      175KB

      MD5

      7d61ef10f759d6fbf6e86cbfa3fad27b

      SHA1

      6763212ed567b8ca13b0c100d33d4f7f7099261e

      SHA256

      44e8ccc96985a47aae04e5a4253a227b4e4ee85d23a96d113618ac270037a730

      SHA512

      610273b589feb0748ca569688dad334aa21e6eb7edbadf4240e06b77e37ceb0d5de42f521903d96a91672746ed68116ad6c74d0a10a774b0d3d2b04245fd0648

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

      Filesize

      512B

      MD5

      6d95a24c9c89b3885fe21a956c5ea7b8

      SHA1

      73a9c205e754eaead36988d8127339bf6692a8d8

      SHA256

      c56a89b51d1c5293aac799241783cdb8de4fc05a21dd82ad58f8354a546812a5

      SHA512

      36e62b54fbabf3f407b6b7d73973af112afb76db7d11f99b9f4b8ac8143bffcae4f365230ce71389e293b64ae44ddb12247baf9e8fffbb3946a1a616381e49fd

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

      Filesize

      415KB

      MD5

      e5e45cfc0d87a7c7d320eed1a1873343

      SHA1

      267c7e2aab48ea3f355e16df75409b35fe0f1dba

      SHA256

      027a66df2ca0dae060d68c4bf70508f459657def665b1661fbe3b96a3a7a70de

      SHA512

      26f4e5b9c74d586ffbbb4b1c190879a74162e87aa6b99f5c892d418f22f12211b884e32d6cd5c01435a45d7d328893bf8d91f2de6ff3c70326a9516b17d6a753

    • memory/540-14-0x0000000000400000-0x0000000000466000-memory.dmp

      Filesize

      408KB

    • memory/540-0-0x0000000000400000-0x0000000000466000-memory.dmp

      Filesize

      408KB

    • memory/1008-12-0x0000000000400000-0x0000000000466000-memory.dmp

      Filesize

      408KB

    • memory/1008-26-0x0000000000400000-0x0000000000466000-memory.dmp

      Filesize

      408KB

    • memory/3256-25-0x00000000001F0000-0x0000000000280000-memory.dmp

      Filesize

      576KB

    • memory/3256-28-0x00000000001F0000-0x0000000000280000-memory.dmp

      Filesize

      576KB

    • memory/3256-29-0x00000000001F0000-0x0000000000280000-memory.dmp

      Filesize

      576KB

    • memory/3256-30-0x00000000001F0000-0x0000000000280000-memory.dmp

      Filesize

      576KB

    • memory/3256-31-0x00000000001F0000-0x0000000000280000-memory.dmp

      Filesize

      576KB

    • memory/3256-32-0x00000000001F0000-0x0000000000280000-memory.dmp

      Filesize

      576KB