Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    12-10-2024 14:13

General

  • Target

    ec95dfc127a1053672f3f078925436c9d3c52e72e6ea6678607f4a43bffc06d2N.exe

  • Size

    64KB

  • MD5

    5b3681183fcac84310c399ddf00064f0

  • SHA1

    f4e9b64b88aece299daff568a1c00d8d4404d7af

  • SHA256

    ec95dfc127a1053672f3f078925436c9d3c52e72e6ea6678607f4a43bffc06d2

  • SHA512

    160cfb001d94e566005487236d8455d5a2b5f48e892e97dc8cc8c44f6a009ed7d0739c9d68f5dd3bb3e72ee28ea74bb62d1e200ed9e158a744f1ced82f1feda6

  • SSDEEP

    1536:6bQx5oPsr2vFxDPhAvzgAQzFZ77MzeTm/o:6bQRSHpAvzyf7MzeTYo

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).

  • 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\ec95dfc127a1053672f3f078925436c9d3c52e72e6ea6678607f4a43bffc06d2N.exe
    "C:\Users\Admin\AppData\Local\Temp\ec95dfc127a1053672f3f078925436c9d3c52e72e6ea6678607f4a43bffc06d2N.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2580
    • 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:2052
    • 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:2544

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    64KB

    MD5

    f13df147bd81a358f5d3b17c03c8f509

    SHA1

    6e6844158852e316ac947c446ad8e0a1d2c9dd26

    SHA256

    8ea6308f4d5f7b4b4f8258e66756851e968dc5f3bb3d52bfaa3e71eba4b5c6d4

    SHA512

    cae55d43ca5de89973d110335460edec5b76dfc55b313c5920da9c0f9b9117e727f989b47ff922d25d27fa5912fab3a4265ce622012eb680bb4a1e9b52d0ca5f

  • 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

    52de364334f68538894034967dfa7b25

    SHA1

    d394b860ff927b3ea1504d8bbf73aaa61a450895

    SHA256

    32c8eaa5d1514a1b8920543cbb2e86686812ef8d678ab6a092686398679beb01

    SHA512

    45aeecea873ce57713bc49e65fb398f90a725ad1210e9b31feee0debe6a9df31c9c7345f1f5546b56cfa52c6ed1de0542ebf405aa0352ebed302bbc3b1407de5

  • memory/2052-10-0x0000000000C70000-0x0000000000C95000-memory.dmp

    Filesize

    148KB

  • memory/2052-22-0x0000000000C70000-0x0000000000C95000-memory.dmp

    Filesize

    148KB

  • memory/2052-24-0x0000000000C70000-0x0000000000C95000-memory.dmp

    Filesize

    148KB

  • memory/2052-31-0x0000000000C70000-0x0000000000C95000-memory.dmp

    Filesize

    148KB

  • memory/2580-0-0x0000000000BC0000-0x0000000000BE5000-memory.dmp

    Filesize

    148KB

  • memory/2580-9-0x00000000003D0000-0x00000000003F5000-memory.dmp

    Filesize

    148KB

  • memory/2580-19-0x0000000000BC0000-0x0000000000BE5000-memory.dmp

    Filesize

    148KB