Analysis

  • max time kernel
    117s
  • max time network
    137s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    20/05/2022, 03:28

General

  • Target
    7ca1f41e5bc924afe8440fc1dbfaaa5c10b2b2e698b6269db92d2440a2513149.exe
  • Size 544KB
  • Sample220520-d1lyjsffg5
  • SHA256 7ca1f41e5bc924afe8440fc1dbfaaa5c10b2b2e698b6269db92d2440a2513149
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • vidar

Version
  • 30.3

Botnet
  • 517

C2
  • http://turedneez.com/

Attributes
  • profile_id

    517

Signatures

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer HTTP POST Pattern

    suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer HTTP POST Pattern

  • Vidar Stealer 2 IoCs
  • Reads local data of messenger clients 2 TTPs

    Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses 2FA software files, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

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

  • Looks up external IP address via web service 1 IoCs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7ca1f41e5bc924afe8440fc1dbfaaa5c10b2b2e698b6269db92d2440a2513149.exe
    "C:\Users\Admin\AppData\Local\Temp\7ca1f41e5bc924afe8440fc1dbfaaa5c10b2b2e698b6269db92d2440a2513149.exe"
    1⤵
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    PID:4860

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/4860-130-0x0000000004298000-0x00000000042F0000-memory.dmp

        memory/4860-131-0x0000000005D70000-0x0000000005DFB000-memory.dmp

        memory/4860-132-0x0000000000400000-0x0000000004117000-memory.dmp