Analysis

  • max time kernel
    120s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    29/02/2024, 17:22

General

  • Target
    file.exe
  • Size 211KB
  • Sample240229-vxjsfsgb36
  • SHA256 0e8fbee0bc9bf2582c73dbb5c0e58abdeaecb7689f51bf16e888604e329aae6c
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • vidar

Version
  • 8

Botnet
  • 438c7562661d92141bb0adbe01c2fc5f

C2
  • https://steamcommunity.com/profiles/76561199644883218

  • https://t.me/neoschats

Attributes
  • profile_id_v2

    438c7562661d92141bb0adbe01c2fc5f

  • user_agent

    Mozilla/5.0 (Linux; Android 11; M2102J20SG) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/97.0.4692.99 Mobile Safari/537.36 EdgA/97.0.1072.78

Signatures

  • Detect Vidar Stealer 3 IoCs
  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Modifies system certificate store 2 TTPs 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Modifies system certificate store
    PID:2492

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        94308059B57B3142E455B38A6EB92015

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015
        • Size 67KB
        • SHA256 b42dc237e44cbc9a43400e7d3f9cbd406dbdefd62bfe87328f8663897d69df78
        • MD5 SHA1 SHA512 SSDEEP

        Tar353B.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\Tar353B.tmp
        • Size 175KB
        • SHA256 a6752b7851b591550e4625b832a393aabcc428de18d83e8593cd540f7d7cae22
        • MD5 SHA1 SHA512 SSDEEP

        memory/2492-2-0x00000000002B0000-0x00000000002E1000-memory.dmp

        memory/2492-1-0x0000000001F80000-0x0000000002080000-memory.dmp

        memory/2492-3-0x0000000000400000-0x0000000001F0C000-memory.dmp

        memory/2492-142-0x0000000000400000-0x0000000001F0C000-memory.dmp