General

  • Target

    FortniteClient-Win64-Shipping_BE.exe

  • Size

    223KB

  • Sample

    230718-by8nesgd9t

  • MD5

    138b9702b1163a9ea21688640955479c

  • SHA1

    245083872ab5fc45961c6d2f5772172b61db008d

  • SHA256

    6c26664ce65b4a3602fdc8fd21fb53b82498712bb602773e6747bc68d5b980ed

  • SHA512

    46230a4bddb6d34767c0cae223cf28f5d0eac1cd16ae1aea734ae99761df4474e340bc257b7519dfabe6594e2674c18779000c5a09211289ecbd83781b639d5f

  • SSDEEP

    1536:ijnFF/DXXXnHJXXXnHmH3pH3MoM0NxHKb0gR:iDFFIH3pH3M4HKb0g

Malware Config

Extracted

Family

vidar

Version

4.8

Botnet

https://t.me/sundayevent

C2

https://t.me/sundayevent

https://steamcommunity.com/profiles/76561198982268531

Attributes
  • profile_id_v2

    https://t.me/sundayevent

  • user_agent

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

Extracted

Family

laplas

C2

http://185.209.161.89

Attributes
  • api_key

    6a2714906f1325d666e4cf9f6269c2352ccfb7e7f1a23c114287dc69ddf27cb0

Targets

    • Target

      FortniteClient-Win64-Shipping_BE.exe

    • Size

      223KB

    • MD5

      138b9702b1163a9ea21688640955479c

    • SHA1

      245083872ab5fc45961c6d2f5772172b61db008d

    • SHA256

      6c26664ce65b4a3602fdc8fd21fb53b82498712bb602773e6747bc68d5b980ed

    • SHA512

      46230a4bddb6d34767c0cae223cf28f5d0eac1cd16ae1aea734ae99761df4474e340bc257b7519dfabe6594e2674c18779000c5a09211289ecbd83781b639d5f

    • SSDEEP

      1536:ijnFF/DXXXnHJXXXnHmH3pH3MoM0NxHKb0gR:iDFFIH3pH3M4HKb0g

    • Laplas Clipper

      Laplas is a crypto wallet stealer with three variants written in Golang, C#, and C++.

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

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

    • Contacts a large (517) amount of remote hosts

      This may indicate a network scan to discover remotely running services.

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Modifies Installed Components in the registry

    • Stops running service(s)

    • 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.

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • VMProtect packed file

      Detects executables packed with VMProtect commercial packer.

    • Accesses 2FA software files, possible credential harvesting

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Checks whether UAC is enabled

    • Drops desktop.ini file(s)

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Writes to the Master Boot Record (MBR)

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

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks