Analysis

  • max time kernel
    90s
  • max time network
    94s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2024 00:46

General

  • Target

    d17502d1e449050c45b3ab633928c6d8d1ba06807672e2db2b992d635800082f.exe

  • Size

    60KB

  • MD5

    fe9dceca82e5ee4555d6223e1ab9d9bd

  • SHA1

    b6a3a81e3349fd3d47650e688e602a2cc2aa9824

  • SHA256

    d17502d1e449050c45b3ab633928c6d8d1ba06807672e2db2b992d635800082f

  • SHA512

    43ab171820b5de934f1ced6f0170c38ea9b00dacb744820bffbba8552f0b5ee62a9122735fbb1b04258b39b3e4ce21239581fdc1e9ccd971e5f915860f92be72

  • SSDEEP

    768:n5mhew0GpSyMe6hwUkdwJzh+qciaQRENEzxZbARtR06g2wqp4YPeznellmqGwxPx:nK0GjMeQG3iaQREuVZ6ro29p4YxbKd9y

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\d17502d1e449050c45b3ab633928c6d8d1ba06807672e2db2b992d635800082f.exe
    "C:\Users\Admin\AppData\Local\Temp\d17502d1e449050c45b3ab633928c6d8d1ba06807672e2db2b992d635800082f.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1820
    • 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:2216
    • 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:2976

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    512B

    MD5

    55e10a9af74d3f3fa5ae3cb7ff5ad9d4

    SHA1

    449221fd8d7196a54de2bd583625d8d1b64db56a

    SHA256

    a945a44cfe50423c01f26a16445ed177a347052e791364a9cb7de6bcaa18f3c1

    SHA512

    4af5ba74467b4c61302ea9571f19346c05f911843f2c6153fcd9a7340f9bc6e1f8867cdb72ec7ba0dc4930199aa5c302711ad5da9fd35241839418f6e70a515a

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

    Filesize

    338B

    MD5

    20e4ec4eb3a66b042513f21171e9a36e

    SHA1

    f944243809a85c6282d4e68969254fd38d9dc5ab

    SHA256

    da385b73d45d56da061f9d109aa83ec5b60778654a54f551b5a940a765b5b80c

    SHA512

    5fb9c43c99d01041e02fca69ba903bb99bf4d724959b823ddc132a79a036ba8edbff345bdcc9a7eeca385703ed58b6f606c1bcca12cc26a51f35824bd7202ff9

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

    Filesize

    60KB

    MD5

    5607b89de4dd0feb2209276af69355e8

    SHA1

    5ff8a39a8c7b5520e7d4b747fd1883ccd2424ecc

    SHA256

    5335218b7ee464bcaeb8ab80a2f9be55c46d8bd061cc81bb9083ed416ee3f258

    SHA512

    4036efa782ecec77047f1e65d6296cd23e97ba1a1d744c7b01e82111622188ebf0bf96c7e0b60a8e2d754cd89a63741bb45c0186f0ffc30573229b6e82a889b8

  • memory/1820-0-0x0000000000FB0000-0x0000000000FE5000-memory.dmp

    Filesize

    212KB

  • memory/1820-8-0x00000000009E0000-0x0000000000A15000-memory.dmp

    Filesize

    212KB

  • memory/1820-19-0x0000000000FB0000-0x0000000000FE5000-memory.dmp

    Filesize

    212KB

  • memory/2216-10-0x0000000000280000-0x00000000002B5000-memory.dmp

    Filesize

    212KB

  • memory/2216-22-0x0000000000280000-0x00000000002B5000-memory.dmp

    Filesize

    212KB

  • memory/2216-24-0x0000000000280000-0x00000000002B5000-memory.dmp

    Filesize

    212KB

  • memory/2216-30-0x0000000000280000-0x00000000002B5000-memory.dmp

    Filesize

    212KB