Analysis

  • max time kernel
    133s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-10-2024 14:06

General

  • Target

    79fb56d15ce4fa67610f8424d98745c2_JaffaCakes118.exe

  • Size

    59KB

  • MD5

    79fb56d15ce4fa67610f8424d98745c2

  • SHA1

    d2cb609ef6f88e4dc83c7b055f7ed3b647ffd9ca

  • SHA256

    fbb9b527a4dd30ff8fb8a7767b7ed7bb28fc843ba940f20a221a033101dd37a5

  • SHA512

    8be683bdda697cacc90955bb1c592c4da22bd38220e6eba6661fe792d06c6ff4316bb02386f6a6c4910d47da295e7666020b3aa95f32c85b1240f75d894f24fa

  • SSDEEP

    768:n5mhew0GpSyMe6hwUkdwJzh+qciaQRENEzxZbARtR06g2wqp4YPeznellmqGwxPM:nK0GjMeQG3iaQREuVZ6ro29p4YxbKdf

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\79fb56d15ce4fa67610f8424d98745c2_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\79fb56d15ce4fa67610f8424d98745c2_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1232
    • 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:4852
    • 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:4652

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    59KB

    MD5

    e6662a18f55a046b0eab409b764da8b0

    SHA1

    7758264a7a9ee98bb0d7a92fd854a0f881df4e1a

    SHA256

    503d5e37fa37d069be063062ee632d16cef1fd11c1002d7795e9211cba6d048b

    SHA512

    9a81d6dccfd8c18521cb68a2f2ca3d21725808538a39879cb3bee1b12bff5cefe1a2066694016af68365ac39932a0ba7cf9810768eafcbe540ee40f61a10ae85

  • 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

    302B

    MD5

    4d1f05dd0cd00588d93e11c5047dca84

    SHA1

    bbf62156e29522c5fca4eebcb0a8b8720b822bbc

    SHA256

    91ad3ef0e4d25dd254339e3b8faf01168d875410623cee737d2f52ab1809a43e

    SHA512

    5820ef65ddc9e32df111d227cb972f72531233fe3b6d6a3b3794b1576b59ecd24156d1ed407096b304bd140b98be3ab899c6f17e46130e28df2232440e05e703

  • memory/1232-0-0x0000000000050000-0x0000000000085000-memory.dmp

    Filesize

    212KB

  • memory/1232-14-0x0000000000050000-0x0000000000085000-memory.dmp

    Filesize

    212KB

  • memory/4852-11-0x00000000003B0000-0x00000000003E5000-memory.dmp

    Filesize

    212KB

  • memory/4852-17-0x00000000003B0000-0x00000000003E5000-memory.dmp

    Filesize

    212KB

  • memory/4852-19-0x00000000003B0000-0x00000000003E5000-memory.dmp

    Filesize

    212KB

  • memory/4852-25-0x00000000003B0000-0x00000000003E5000-memory.dmp

    Filesize

    212KB