Analysis

  • max time kernel
    89s
  • max time network
    86s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    12-10-2024 22:30

General

  • Target

    62744ce3b4475009d05b094c05bbd130ee7f151bc449ba1af6fbb56dfbaf413e.exe

  • Size

    64KB

  • MD5

    a542d6af5845b8b79b89f039a3763765

  • SHA1

    b636d147f407db50f13d1b51da5e49583820d83f

  • SHA256

    62744ce3b4475009d05b094c05bbd130ee7f151bc449ba1af6fbb56dfbaf413e

  • SHA512

    1d7238e4cc2203979589c5ce17e653e5f6edefaaf235ed24552797b966fd1fc7eabae9cdeb95d85deaee7dbaad4bcd29b4b57f483bad689e7d1703493bbd207a

  • SSDEEP

    1536:6bQx5oPsr2vFxDPhAvzgAQzFZ77MzeTm/F:6bQRSHpAvzyf7MzeTYF

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\62744ce3b4475009d05b094c05bbd130ee7f151bc449ba1af6fbb56dfbaf413e.exe
    "C:\Users\Admin\AppData\Local\Temp\62744ce3b4475009d05b094c05bbd130ee7f151bc449ba1af6fbb56dfbaf413e.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2308
    • 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:2784
    • 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:2892

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

    338B

    MD5

    b7369bcb1bcb9e75f0fb5a3c07a3cafe

    SHA1

    1e362cb74f1dc8e01e5824f6c251edc854323cde

    SHA256

    00e4c8725c8ca4cd9aa4d05085854898ae25ff43a56cd757b21c620c2a0a76af

    SHA512

    a065bb3d32b3a16704d549dad89e354cd8bfe5e40782c82817148e6a79788e897a37672bb0ff4a579f625f7bfa333ba7e2241f9cdbee1629be23b6bbf3eb34cd

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

    Filesize

    64KB

    MD5

    53d56ae67a01c40e9e956928ab3350d3

    SHA1

    d1a2c008f5a992f73c0afc66790da249cf9506ae

    SHA256

    3d3e7b4ae5b265480a68278d3ed6f4737f5c041700afcb1658dff5af3dd2db71

    SHA512

    7f3ff1c91ee837d9fb97b22d3723cae9e6ab734dfeb2aad25d35f61c7e41ce074941cc0374144d95f12507ca21999f02bd77d46b08ce0c16d0e913ac1d0b5659

  • memory/2308-0-0x0000000000D40000-0x0000000000D65000-memory.dmp

    Filesize

    148KB

  • memory/2308-5-0x0000000000620000-0x0000000000645000-memory.dmp

    Filesize

    148KB

  • memory/2308-18-0x0000000000D40000-0x0000000000D65000-memory.dmp

    Filesize

    148KB

  • memory/2784-21-0x0000000000890000-0x00000000008B5000-memory.dmp

    Filesize

    148KB

  • memory/2784-23-0x0000000000890000-0x00000000008B5000-memory.dmp

    Filesize

    148KB

  • memory/2784-29-0x0000000000890000-0x00000000008B5000-memory.dmp

    Filesize

    148KB