Analysis

  • max time kernel
    90s
  • max time network
    94s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    17-11-2024 00:35

General

  • Target

    217e4ed3df94fad61c0ee33a0ec9c9e58947dcbd287e508b3c193a637eab8b25N.exe

  • Size

    57KB

  • MD5

    ae534e14014e883fde7a31a89a0b2bd0

  • SHA1

    a459ed9692f28468c7d4d89c5868eea63e1e69b6

  • SHA256

    217e4ed3df94fad61c0ee33a0ec9c9e58947dcbd287e508b3c193a637eab8b25

  • SHA512

    8515b2328323eaaf7d3490320960afc7f33c2128afb639c6e47f7c0ffd1e0c464a904efe6c3c9f33add2dad6841e90fa10bbee2b00a6bbc34f6c3cbc02ded923

  • SSDEEP

    1536:amZ+4hcuX5uZ79jmvFQTXnz9yQ/PFBhl1J:amZ+luXwy2f9LDhDJ

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\217e4ed3df94fad61c0ee33a0ec9c9e58947dcbd287e508b3c193a637eab8b25N.exe
    "C:\Users\Admin\AppData\Local\Temp\217e4ed3df94fad61c0ee33a0ec9c9e58947dcbd287e508b3c193a637eab8b25N.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:836
    • 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:2256
    • 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:2816

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    512B

    MD5

    26625b4ca7658f7ba4dc7d982782323c

    SHA1

    574aa314998c39e683675ccf457b0305341a4aaf

    SHA256

    c494e0ffeee72023dac244366c08072f677ba328ba805f9e480abc2824e99283

    SHA512

    5a9af4c6be10240dec0d33b37bc6f6836f1db5d0a2a9dd158d63848a8a97dad68e2d9217aca2b2d1cf122d9534aba0d23b247f6686c4ff934bd7035a927d9b9d

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

    Filesize

    340B

    MD5

    e32c560b484e2803c61001af83686c6e

    SHA1

    f1a3907ed6ded5b58bf5b96c00eaa63f2aeb85df

    SHA256

    6b64d4f6db3ee4bcebb4bbc7fbf2ed7f06d561521d8bdc1aaf1ab9b86b3c3ab8

    SHA512

    4b8ec01db81b4ee04be814fd9b88d53d1fccb3782a8d6c96ac33e235830a22f56ff6bbf36ed0a56356920da5078e8dd01ca2b58f57c3ec8c3708ff20a4800817

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

    Filesize

    57KB

    MD5

    86406fbfa57239eb3031b2e2878916c6

    SHA1

    99911c7ab0736ad23e36ad862928737b52909c79

    SHA256

    60ca6f8676968989e07d162a402ee23eafe660868efad555cb47564cc0c32dfc

    SHA512

    c742e8bf2e382091404e9c5fbfe5f4b401c4e825af8125621c2a2074a7c88ac4fbda444a61f0a692c726dee4758cdd6955e339782509d40d5e9cd6cd1b34a3d3

  • memory/836-0-0x0000000000DE0000-0x0000000000E12000-memory.dmp

    Filesize

    200KB

  • memory/836-6-0x0000000000A50000-0x0000000000A82000-memory.dmp

    Filesize

    200KB

  • memory/836-18-0x0000000000DE0000-0x0000000000E12000-memory.dmp

    Filesize

    200KB

  • memory/2256-21-0x0000000000870000-0x00000000008A2000-memory.dmp

    Filesize

    200KB

  • memory/2256-23-0x0000000000870000-0x00000000008A2000-memory.dmp

    Filesize

    200KB

  • memory/2256-30-0x0000000000870000-0x00000000008A2000-memory.dmp

    Filesize

    200KB