Analysis

  • max time kernel
    90s
  • max time network
    92s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    21-11-2024 10:05

General

  • Target

    4c596693a9ef3552bc3a6ab872cec32e4904f6d30e6dfc84713ec0eb21c84f87.exe

  • Size

    109KB

  • MD5

    0d98dfa5f54bc8fb3c6587860609bf98

  • SHA1

    0d2f67f748e69ee62bee2f77ffc40ed984788305

  • SHA256

    4c596693a9ef3552bc3a6ab872cec32e4904f6d30e6dfc84713ec0eb21c84f87

  • SHA512

    42460ee0c20a6a9e0f8ebf716318fd91f077e75016d9475680a736b23ee7bad2010f86f941e476160003fd482d0efd8356adfc5734aa92232727fb7084b3828b

  • SSDEEP

    1536:3JoHHwAnTtIBcNCk+syhonfC3GNKcK7+sWjcd8sWL64TGFjI9g:4tCc+/h0fmSid81L64TGVI9g

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\4c596693a9ef3552bc3a6ab872cec32e4904f6d30e6dfc84713ec0eb21c84f87.exe
    "C:\Users\Admin\AppData\Local\Temp\4c596693a9ef3552bc3a6ab872cec32e4904f6d30e6dfc84713ec0eb21c84f87.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2116
    • 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:2424
    • 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:2128

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    512B

    MD5

    429d29b7501cff75ffd4e7af0b24db41

    SHA1

    53808fde744d4d65aa2f4c48e8644a65f81be038

    SHA256

    8076fa1dc4b0ecf16960cc5c92abd9dc5c4542fb7ff92073e8b6a24ba1eea1c7

    SHA512

    83516d410586a6224af7cfc232b65d36a0e74e8c75264c737c20a9956aec011f1bd6343ad5b573219804cc8f76697a98b287d7117669e9375947fcfe49bd4e07

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

    Filesize

    338B

    MD5

    57b7110fe53331ea1f6bf56bbfcac5bc

    SHA1

    da240e91fc97aa28f3700354f303d1a3f88ea7b0

    SHA256

    710f16b1727ed7d25b68984d385bd3ab4629aa4f27d8956550088a1827e76861

    SHA512

    831efd6c353dc7ecc134dc67de5196638197c02d6702891fd9501fba1bc74117830db44b48047491bfdf2d09ac229ef7a59ee232714b3e63294b5da008306883

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

    Filesize

    109KB

    MD5

    8fe6d556ac5a5dc3a8bdbac85678b209

    SHA1

    308a3de35138e0de56d2e2e15cace9e5b7157766

    SHA256

    4ebb44b3d7d87a2b74a11561e9ce938e1a39777e9f380c45abb4d67072ccfbc0

    SHA512

    fbfda09d5960737f79fc289df35ba83d0dea89cb78978d655b3004ea9ff3de72abee7310ebc6b891dcce05bd334f5736059f3b83a793fc9262abe8a3d2178fe9

  • memory/2116-0-0x0000000000A60000-0x0000000000A84000-memory.dmp

    Filesize

    144KB

  • memory/2116-7-0x00000000005D0000-0x00000000005F4000-memory.dmp

    Filesize

    144KB

  • memory/2116-18-0x0000000000A60000-0x0000000000A84000-memory.dmp

    Filesize

    144KB

  • memory/2424-10-0x0000000000210000-0x0000000000234000-memory.dmp

    Filesize

    144KB

  • memory/2424-21-0x0000000000210000-0x0000000000234000-memory.dmp

    Filesize

    144KB

  • memory/2424-22-0x0000000000210000-0x0000000000234000-memory.dmp

    Filesize

    144KB