Analysis

  • max time kernel
    93s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-10-2024 10:38

General

  • Target

    3990f4b65ff91e1b5b56517fb2a6a7fc_JaffaCakes118.exe

  • Size

    195KB

  • MD5

    3990f4b65ff91e1b5b56517fb2a6a7fc

  • SHA1

    ced7cf4d1a7293a6d2d475a1ebaff79f9d663840

  • SHA256

    92d5d96b775b95f06d4d5d27e063cc187f7af38fbf24f9314e5ed199da3ef8f1

  • SHA512

    ff154d3f5e2053a0ee891f97905b9c46f671b600497317dc3daccbe31e21330af9af96389ff0357b98cb7b9395da281251489c552ddcc1087e1c6a5f411e4f80

  • SSDEEP

    3072:gAwixCZ6Sh77R2Gpf606U8v0e7OIgPDFIbbzhPM67fIhUK:gExhk7rh7NEOIYWlPM6r6UK

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.

  • 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\3990f4b65ff91e1b5b56517fb2a6a7fc_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\3990f4b65ff91e1b5b56517fb2a6a7fc_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1900
    • 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:856
    • 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:4968

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    195KB

    MD5

    123a4d1c58209bc195d1691e62ea7893

    SHA1

    0f21880192f65a40e5a2c3fd871f7eef979dcc85

    SHA256

    0454bd0815f0ba9313e353a1bfd06f31dc8106c93edffdd6b66ab2fefbf43aea

    SHA512

    76398e6893ef866027591d4d955ae76009191db08542342def6777d8229a1b8372c23fbed80d22ae62f33dfed2b3c00088330c31f89d0bc363b558ca458842ed

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

    Filesize

    512B

    MD5

    2776cde4761cefd1198f4712989957b1

    SHA1

    c801245a080524e704e8e3da95700e58e9d1ca3c

    SHA256

    69ca5964abf7f1c054541bcc32f2712d3fa51342913affed5023825e3dca521f

    SHA512

    bdc242f5c69d10cbfa903bbf20448a9e93213ee303091f1ae9ff8d29c83250168491d9b553841f8ed9b756aef29c499eea3562ff9f94b5619012eb21d5d88c4a

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

    Filesize

    302B

    MD5

    9f977c7bb354748c9f15380bc18f9b70

    SHA1

    b6db88571b919696f56d314af7f44a57c391e92f

    SHA256

    93194f3a481301602ebbd785c024a6b6b1b315164dcd6a4a02956223e2c75bfd

    SHA512

    3ad6f01bfad9c29b8a8c789ff2defc5f4cdb6833af900937eebf5d30b94c6f6e2004c8e6106d5d3d7bfb6ef5fd9123ccd67743f13ce0cb2631f9743d6cb94c72

  • memory/856-12-0x0000000000F50000-0x0000000000F84000-memory.dmp

    Filesize

    208KB

  • memory/856-17-0x0000000000F50000-0x0000000000F84000-memory.dmp

    Filesize

    208KB

  • memory/856-18-0x0000000000F50000-0x0000000000F84000-memory.dmp

    Filesize

    208KB

  • memory/1900-0-0x0000000000440000-0x0000000000474000-memory.dmp

    Filesize

    208KB

  • memory/1900-14-0x0000000000440000-0x0000000000474000-memory.dmp

    Filesize

    208KB