Analysis

  • max time kernel
    148s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-07-2024 20:44

General

  • Target

    3a27f0e0ce51850fadf827aa71ac6980c8e86a8faeaa7d4af268aed4af76c54d.exe

  • Size

    61KB

  • MD5

    1991fa7f68eb51bda59c016cc5736385

  • SHA1

    857090a6439901aeca151e45507eace8d00589b0

  • SHA256

    3a27f0e0ce51850fadf827aa71ac6980c8e86a8faeaa7d4af268aed4af76c54d

  • SHA512

    3d73f857024b2fb20e338c4fae0d0db4c7562e3a7a8bb36db066ccf85fb14fb322996cc13d373926ae6de2215c8dad0bf7e95c91d34d96e674deaba7f239b239

  • SSDEEP

    1536:saTkcl2v/z0thjkh6+uYLo31d0JuPrROVz:Jo0cAthu6+FQ0JuPkz

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\3a27f0e0ce51850fadf827aa71ac6980c8e86a8faeaa7d4af268aed4af76c54d.exe
    "C:\Users\Admin\AppData\Local\Temp\3a27f0e0ce51850fadf827aa71ac6980c8e86a8faeaa7d4af268aed4af76c54d.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1028
    • 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:4664
    • 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:2348

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    61KB

    MD5

    bb4b322fee271a5a631167637e39aa3d

    SHA1

    b576d43438a586af45bda3fd1714244b0157e040

    SHA256

    abc847b9f97d6702fc3872445ed1ae61b51e48308104f7aff8e52c9d1e5e8416

    SHA512

    62778cc497600e8e8415cd3a66ec1122dd036fde603b19fefe0a4ee3d951a9cf3ee1b85b97e5ac7c3f3a41062d11ff5ef1c2d6856ef53dfd71403d6ff9d83c7b

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

    Filesize

    512B

    MD5

    657ce9e5dd337971e44dfb9cb3fbf7dd

    SHA1

    026734083afaa4b7d298781b26a72ac9b67ac831

    SHA256

    3138d6a5526aaa3cb120adb309f2a27d5fec03c8aa088268a1c7f378dd722472

    SHA512

    79aab9648bb19ebe5946dd9edd7e11a70ea7b340a1c7539ccff3d3d13de2932bf5ea9077c079208e09bf5d632f00541e52d4926c5c80f86741effb8d86acd26d

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

    Filesize

    338B

    MD5

    b2f167d976fbab4ebcad72be5625f596

    SHA1

    0a79af93d0857c93a01cfd402228775c49949abb

    SHA256

    a9465f51a25bf51cb3447e223c87bcc83f651554147eecc3f2436af2b2244c4c

    SHA512

    f62fa12998f5c82f99068b9d9e82977fa35a02ccdd4bfdc7c97015b2e5ccc63a3294f9eec1b8c7a74908d3451750d157c5a8c0631c0ffc5e0cccff358125dee6

  • memory/1028-0-0x0000000000290000-0x00000000002B5000-memory.dmp

    Filesize

    148KB

  • memory/1028-17-0x0000000000290000-0x00000000002B5000-memory.dmp

    Filesize

    148KB

  • memory/4664-14-0x0000000000010000-0x0000000000035000-memory.dmp

    Filesize

    148KB

  • memory/4664-20-0x0000000000010000-0x0000000000035000-memory.dmp

    Filesize

    148KB

  • memory/4664-22-0x0000000000010000-0x0000000000035000-memory.dmp

    Filesize

    148KB

  • memory/4664-28-0x0000000000010000-0x0000000000035000-memory.dmp

    Filesize

    148KB