Analysis

  • max time kernel
    138s
  • max time network
    164s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-06-2024 03:07

General

  • Target

    d5c79880d6c7618cbc1ea237cd79d7871fd1f4a5730a56ba98415fe6c7e2eb16.exe

  • Size

    113KB

  • MD5

    ff10385250e75dd03e1d52b24afe366f

  • SHA1

    117feb2ae62db3e9bb9d9a21d2e8cf54df9d832c

  • SHA256

    d5c79880d6c7618cbc1ea237cd79d7871fd1f4a5730a56ba98415fe6c7e2eb16

  • SHA512

    dfbddb01628eabd718795cbc4709e7d894021490def8f90e0cfa52594c371714fa451ee40dad87f2cb5d63b526402a9b04342882d2dd81f780221806da4ab433

  • SSDEEP

    1536:mCnrJLwAXDtIBcUyk+8CooNvy3GNbcq7+sWjcdgy64TNSeb:htpCP+/oGvWSldgy64TNSeb

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).

  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d5c79880d6c7618cbc1ea237cd79d7871fd1f4a5730a56ba98415fe6c7e2eb16.exe
    "C:\Users\Admin\AppData\Local\Temp\d5c79880d6c7618cbc1ea237cd79d7871fd1f4a5730a56ba98415fe6c7e2eb16.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1592
    • C:\Users\Admin\AppData\Local\Temp\biudfw.exe
      "C:\Users\Admin\AppData\Local\Temp\biudfw.exe"
      2⤵
      • Executes dropped EXE
      PID:3404
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\sanfdr.bat" "
      2⤵
        PID:2120
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4120 --field-trial-handle=2280,i,4114443225282860369,4764091921472631035,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:3468

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        113KB

        MD5

        b91bc298673f16fcc7148db3ec8c9456

        SHA1

        4f4c1a51adc620c34bd94d71f60f48c389420b25

        SHA256

        792e8526596594d7ffef17d6e4573a6c4c62e7b8a791a73fa6be8c748a2102b2

        SHA512

        f303c571e975e1493143595a872a653a63242b46e6e9ca4db1e2e163c819f1dddd7a49eee1cda8ab9bd33c135b3afd59600026688b0ef21d461647fa4d6b16af

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

        Filesize

        512B

        MD5

        f0d42f2e44d35f66afa6c7a98d053021

        SHA1

        f874284acb7ed4b80e2733ed4f66656bd2c5447d

        SHA256

        d2060822260cd38f5fc68b1f3b9f9b787b250e1a9fa417be79cdc692ca066f8d

        SHA512

        d5b9a5e504276623574ba2c16e6d305c86b20ff3e6353dbe251e04287583c27d825fddfe4325530c249cc95ddd3e0674c86acdf2e7f4bd3c3404eab51c022a94

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

        Filesize

        338B

        MD5

        2d1a47bf73082e7639fb5217367ed5e4

        SHA1

        0a8e244cc7969df1d79aed3d5674da4e2f000961

        SHA256

        c5c0271d7c1fe0ff8f08cbd67d1e08746c84e6504e8f9f6d4b10e0a90d023a74

        SHA512

        3a38b71091fb890a3c56fcc48cf84143ea8737dd24c493b473da4cdfff96db3bbacfb9752388fa52fb8cc6aee1edc0170f84dd9afcf30f8d0bf2e99c7b694de0

      • memory/1592-0-0x0000000000F80000-0x0000000000FA7000-memory.dmp

        Filesize

        156KB

      • memory/1592-19-0x0000000000F80000-0x0000000000FA7000-memory.dmp

        Filesize

        156KB

      • memory/3404-13-0x0000000000EE0000-0x0000000000F07000-memory.dmp

        Filesize

        156KB

      • memory/3404-20-0x0000000000EE0000-0x0000000000F07000-memory.dmp

        Filesize

        156KB