Analysis

  • max time kernel
    94s
  • max time network
    96s
  • 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 13:01

General

  • Target

    4a9b5551e62974c62d274323b1902155645660d6d0ad6bfd7ba6f604d47b136c.exe

  • Size

    57KB

  • MD5

    200a6c6846002ae2b9291e41fa9f8c17

  • SHA1

    711392307d01fc3c71579a74b06f07cf6d67a3b3

  • SHA256

    4a9b5551e62974c62d274323b1902155645660d6d0ad6bfd7ba6f604d47b136c

  • SHA512

    ff85709b9e0d76f429286cbee238f8c3614756f90c63fc14f8e24dc0b83033b70aba974b9ec544331f3fa094f0f1ea24ccd4a071940e623a5be7ff5d89477801

  • SSDEEP

    1536:amZ+4hcuX5uZ79jmvFQTXnz9yQ/PFBhl15:amZ+luXwy2f9LDhD5

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\4a9b5551e62974c62d274323b1902155645660d6d0ad6bfd7ba6f604d47b136c.exe
    "C:\Users\Admin\AppData\Local\Temp\4a9b5551e62974c62d274323b1902155645660d6d0ad6bfd7ba6f604d47b136c.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3180
    • 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:3372
    • 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:3084

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    57KB

    MD5

    7b20c856a1eca2218a30a9d99f57d0e7

    SHA1

    39b39aebd1ab4664eab9701908c927213a7be950

    SHA256

    cb7d5737e85559d419c99fa5954812b03306ccb6be2d4e19e90e8c57c24460e6

    SHA512

    16e436df27cd74ed123e8cb3a4ecd79f65d2c226a484fbf4a6c16a3d8510453f4fc9fd902d901a77c1aa95b9ebc9e6c08c89b64d6e117abeba437756095389e7

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

    Filesize

    512B

    MD5

    26625b4ca7658f7ba4dc7d982782323c

    SHA1

    574aa314998c39e683675ccf457b0305341a4aaf

    SHA256

    c494e0ffeee72023dac244366c08072f677ba328ba805f9e480abc2824e99283

    SHA512

    5a9af4c6be10240dec0d33b37bc6f6836f1db5d0a2a9dd158d63848a8a97dad68e2d9217aca2b2d1cf122d9534aba0d23b247f6686c4ff934bd7035a927d9b9d

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

    Filesize

    338B

    MD5

    4465c00a26c2cb9529aa52dd6e6e0b43

    SHA1

    7f8a7e9572fa17fe499e38ffc665335cb2d2c05c

    SHA256

    f1f4c579677ee843eb0bf07b42170b41e80432ff0f09d6cbea07abc261aea4ad

    SHA512

    f52cbbbea43180ba74425ed41429adfb53b736b967c4d1760e50d939564c1e622a2fc012a44ac26fb2d1ff8f96a4087d9e1e2dcc4a8c66354995b5e31255e13f

  • memory/3180-0-0x0000000000B30000-0x0000000000B62000-memory.dmp

    Filesize

    200KB

  • memory/3180-18-0x0000000000B30000-0x0000000000B62000-memory.dmp

    Filesize

    200KB

  • memory/3372-13-0x0000000000360000-0x0000000000392000-memory.dmp

    Filesize

    200KB

  • memory/3372-21-0x0000000000360000-0x0000000000392000-memory.dmp

    Filesize

    200KB

  • memory/3372-23-0x0000000000360000-0x0000000000392000-memory.dmp

    Filesize

    200KB

  • memory/3372-30-0x0000000000360000-0x0000000000392000-memory.dmp

    Filesize

    200KB