Analysis

  • max time kernel
    105s
  • max time network
    108s
  • 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 23:20

General

  • Target

    6914ce5eb27b92b5ce458c06eac964b0N.exe

  • Size

    69KB

  • MD5

    6914ce5eb27b92b5ce458c06eac964b0

  • SHA1

    15c16d67e68b6000511a9436957b9e392d562cf5

  • SHA256

    4fcf1ad0f4dbe5bc30c644767e49e3eeb459636963d22778f83cb346b8e05577

  • SHA512

    9f549ffc2bccff68367372e3ce7ca39fab7ac1e3b8b4a312af29a4fd55eb40ab6f6ca41626fea31c45da21111a6cbd8d62936689335d548c6be6dc6855d8cfa8

  • SSDEEP

    1536:v6fqsAPQYGmPzmZDDZrV8sMQXGkfn33n7z5WeIuhCarawi:yLAYUzmdD0sMQl7d7IuhCae1

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\6914ce5eb27b92b5ce458c06eac964b0N.exe
    "C:\Users\Admin\AppData\Local\Temp\6914ce5eb27b92b5ce458c06eac964b0N.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2532
    • 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:4400
    • 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:3128

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    69KB

    MD5

    e28336858b9393da2039bf3b375ffc7d

    SHA1

    d34db99937b9906f09d61d35d19e91100307100e

    SHA256

    c37513850fb763929806007d76d070b4670e46d961ca9f67949a8c9514603514

    SHA512

    a4f95346b70e1957e7a9c4e74e80e04a13bad93430e3bf7a50f80714fcb92e8cbfffc7956a7024e0cdcbd12c1530013a83dcaab8693244fcd2883517da8d6048

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

    Filesize

    512B

    MD5

    1c9b2720af0ca9528b47898d9c7f4799

    SHA1

    80495f16e333f54ecc700252323c2a7cb7d751e1

    SHA256

    d1ea9a17b5a635a121e82e7963d3b134f74050da9debcd40c9622f50c5d38fe5

    SHA512

    5afe876f2cd887458656b1747bce08d03f26ef286bcc83efa93e0111be856d0564bee4d6ef5637c167626bac121f7371b69c7952502d47784ac9ad568bf53eac

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

    Filesize

    276B

    MD5

    55cceab02cdd862011c08a2718d97bf0

    SHA1

    52d86666f6684acab0bacafbf4c97cdc4e500019

    SHA256

    184375989cfb2b460331312fad8f72037fc45e3c9d7df9738ed497114229808d

    SHA512

    f330bcd3a607e4e1275dadea380e74e693f62e2da13b245e91eef54e851504df9260da555ab6f50bdf17d26ee6b28699f4d72c2c6bc264b44be38be92472e0bb

  • memory/2532-0-0x0000000000A30000-0x0000000000A57000-memory.dmp

    Filesize

    156KB

  • memory/2532-18-0x0000000000A30000-0x0000000000A57000-memory.dmp

    Filesize

    156KB

  • memory/4400-15-0x0000000000A30000-0x0000000000A57000-memory.dmp

    Filesize

    156KB

  • memory/4400-21-0x0000000000A30000-0x0000000000A57000-memory.dmp

    Filesize

    156KB

  • memory/4400-23-0x0000000000A30000-0x0000000000A57000-memory.dmp

    Filesize

    156KB

  • memory/4400-29-0x0000000000A30000-0x0000000000A57000-memory.dmp

    Filesize

    156KB