Analysis

  • max time kernel
    94s
  • max time network
    137s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-11-2024 23:01

General

  • Target

    41cb2ed3a414003a5c88ec6e28131ea28a0395e8ccbe541113e2a3343fddc4bf.exe

  • Size

    55KB

  • MD5

    a25ddf0fd1ed5c42d60a8b1fd7df0cd1

  • SHA1

    c98951417f3117899f0c63a5097f9fe0a8f4d43d

  • SHA256

    41cb2ed3a414003a5c88ec6e28131ea28a0395e8ccbe541113e2a3343fddc4bf

  • SHA512

    ece28ec1ffff9cfe6d49d8846232606ab2713dd2fc3416bde8ae884297b025165d46899b67a129f05be122a63afd4b120d6f5b3107e11553c3e3ce881e1899de

  • SSDEEP

    1536:qw788avzI+on+TqOK0cHMqtzMLvWsrupwnTf1GqT7E:qwda7KVr0cHneunw1E

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\41cb2ed3a414003a5c88ec6e28131ea28a0395e8ccbe541113e2a3343fddc4bf.exe
    "C:\Users\Admin\AppData\Local\Temp\41cb2ed3a414003a5c88ec6e28131ea28a0395e8ccbe541113e2a3343fddc4bf.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2204
    • 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:3996
    • 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:3272

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    56KB

    MD5

    ee7469c3a9a37e01d43257c4c03b0e11

    SHA1

    ef9e7d34af9cb10fd7f976213dd49fa0aade6049

    SHA256

    5b24e612cec084051620b1119b437b6a5f99099d983b1512cd0cbb2c5e203b66

    SHA512

    365e4d2adb99bb64ac1c84b6d03c7457ac4b47647f1e733c01f32fd697ecd4e085466f9b00ad66d63dd5021c9ba54cb3a6943631dc60d039c2a424b3bf1a4ca9

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

    Filesize

    512B

    MD5

    0750e4580a3e9076e82bdc6ad33ba927

    SHA1

    b1e526b3833feda0e3b0738c6865fdac6360bf07

    SHA256

    74428e568204ea0d1c31570864cb96b1c2b672880f7575220957bf5fc2b24d89

    SHA512

    303b2cb8e644b336d7bf0892eadc84b414afdc41216719721aa0cf27fc18ecea1a2e943f07813c41d55c4166e489f89ec61a4fcead679ed3de8b323ecb42a8d9

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

    Filesize

    338B

    MD5

    06d7bf5c3af0789f97d114be8ae5d33d

    SHA1

    e9e2969b2fe545dfe2ca056a4a5b1f744f264bf8

    SHA256

    82274b407242cb4c72fc273a23212f5a71bbc2724cc381beb8e3299831a565b3

    SHA512

    c8cd2b5f4be0e5365fd1823fc31d6ff012a75f9f0b7e394e0054ff4a0d5316fcfba7be5251b828dbf35020a86a8fcabd0e1e129897cbe890f86e03032542c1cd

  • memory/2204-0-0x00000000000E0000-0x0000000000111000-memory.dmp

    Filesize

    196KB

  • memory/2204-17-0x00000000000E0000-0x0000000000111000-memory.dmp

    Filesize

    196KB

  • memory/3996-13-0x0000000000F80000-0x0000000000FB1000-memory.dmp

    Filesize

    196KB

  • memory/3996-20-0x0000000000F80000-0x0000000000FB1000-memory.dmp

    Filesize

    196KB

  • memory/3996-22-0x0000000000F80000-0x0000000000FB1000-memory.dmp

    Filesize

    196KB

  • memory/3996-28-0x0000000000F80000-0x0000000000FB1000-memory.dmp

    Filesize

    196KB