Analysis

  • max time kernel
    91s
  • max time network
    93s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-11-2024 13:29

General

  • Target

    f485252fe6ce56b04634ae86940df732cb2eb6b2f8dcddc485654bb9d2e79b04N.exe

  • Size

    65KB

  • MD5

    7b21ff621233c2d543b7df119a3dca70

  • SHA1

    56cd210cdc0d22d11683f108ff50abbd178c342e

  • SHA256

    f485252fe6ce56b04634ae86940df732cb2eb6b2f8dcddc485654bb9d2e79b04

  • SHA512

    04833a0eb479f874be05280a7198ed41e63e94ac5f6d3c54fe4df3100a68194537b3b41a2ace2186b1315858cb56dc071952149fb0b890f5c32d04d5191be0bc

  • SSDEEP

    1536:6bQx5oPsr2vFxDPhAvzgAQzFZ77MzeTm/j:6bQRSHpAvzyf7MzeTYj

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
  • 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\f485252fe6ce56b04634ae86940df732cb2eb6b2f8dcddc485654bb9d2e79b04N.exe
    "C:\Users\Admin\AppData\Local\Temp\f485252fe6ce56b04634ae86940df732cb2eb6b2f8dcddc485654bb9d2e79b04N.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4324
    • 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:4756
    • 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:1004

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    65KB

    MD5

    f26b64215ace5b3a1d2ab5c4dcb15ea7

    SHA1

    3dde1e4312a52e7cdc7e5e53c74957e3d594b722

    SHA256

    b4f1e1d7bf3987c54441fb1d29738038be4d1068d7c0b8aaf70f95bde855b718

    SHA512

    65368201a05d8cf883828122ff2799fcb6f1a12f8dc1fa2b204e4e4c4030655398c7920ec03ef7737750fffafe4d98cad66fc653a2cd394a1aed8b529890db1f

  • 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

    e6bc1aaf2bd0ff5487ce9e2223955c9f

    SHA1

    06ec20c695a580777e5a796b0de082cf09f456c8

    SHA256

    db22ad13bbbac880ec611debedb44f2f5a43b20a927f1c03d1ef4bb900995a53

    SHA512

    6260aeaf0b4767b9740d969a53fab43a293fa2e34f833773964db1973825bce0a762394763fd0725ec21eba3bac6f34da39a8975e0fbf7277e8e72cb9ea8e9b3

  • memory/4324-0-0x00000000005D0000-0x00000000005F5000-memory.dmp

    Filesize

    148KB

  • memory/4324-18-0x00000000005D0000-0x00000000005F5000-memory.dmp

    Filesize

    148KB

  • memory/4756-15-0x0000000000170000-0x0000000000195000-memory.dmp

    Filesize

    148KB

  • memory/4756-21-0x0000000000170000-0x0000000000195000-memory.dmp

    Filesize

    148KB

  • memory/4756-23-0x0000000000170000-0x0000000000195000-memory.dmp

    Filesize

    148KB

  • memory/4756-29-0x0000000000170000-0x0000000000195000-memory.dmp

    Filesize

    148KB