General

  • Target

    GTA5 Mod Menu.rar

  • Size

    6.3MB

  • Sample

    230404-rbjzjsfd88

  • MD5

    ec401275bb67cd6afc4c2a9ac769a432

  • SHA1

    363191aaf7e062dcd3a6879c70546affa286eeff

  • SHA256

    828ad6fd2f0a2fdf7ee1826628156cf90e8fbc312847f47c3ea5c508977a3591

  • SHA512

    12cb728ddeb43b43401bd4a523a4863696800fe991299fde5b07cdc10adf424ef754967c11550300bbbc48256b3ceb06f40fc039bbcb97cbd4bc202a931ab657

  • SSDEEP

    98304:7n3wLdHdhd/ZrNPT1wF43yyBukFTglMof5wDzArpN7PZ6CESZmlUbzy+ZE0G52Gx:7ALFdR9BuKlu5wDzAViSEl+zyyI5234

Malware Config

Extracted

Family

vidar

Version

3.3

Botnet

49bd1304650cc9c7f3f131428d9e16c2

C2

https://steamcommunity.com/profiles/76561199492257783

https://t.me/justsometg

Attributes
  • profile_id_v2

    49bd1304650cc9c7f3f131428d9e16c2

  • user_agent

    Mozilla/5.0 (X11; Linux 3.5.4-1-ARCH i686; es) KHTML/4.9.1 (like Gecko) Konqueror/4.9

Targets

    • Target

      Setup.exe

    • Size

      1023.0MB

    • MD5

      ef8d846aec55eddbbfa2472f9d66c2e7

    • SHA1

      7e75e159b0a62a62d8d775b6dcd4682b59122c28

    • SHA256

      d9a7ab42bcc0d232c84718ef977a0addc3bd7efd184970e88c6f5b85f03c27b1

    • SHA512

      791f226bcda1ab1ec0cbaba03ea00ee56325bffbc3b0ee8dd6010d86cc4190c4e8054422e9a1fd9955b42366cb06ebedd0c49ad8b3ed13d17398d23b63fa0314

    • SSDEEP

      196608:4+hMmu0Vro/dFqg4cF3VjgY7lEGpDltGgC891SWAo0G:41m3OMEljl7lPftGgPuDr

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Checks whether UAC is enabled

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks