Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-11-2024 20:17

General

  • Target

    start.exe

  • Size

    384KB

  • MD5

    3318168ae9a79bebdbca98281974ea70

  • SHA1

    a1c84b04cd756628f955abd4dec707d946d9a84f

  • SHA256

    5d32e44b85fcb2b674764ef904ba64a16d4533591b7d1ada4d760cdb603db706

  • SHA512

    ae3e42d079055d75f4c1dc8afe9c994e9d42fbd1e34eb51976f7a8b74895eebd04411649c7661f59286967f2a72e730f8bd2efb670c30335622250dcdd45de61

  • SSDEEP

    6144:kmQ5QhH2pP+YC4KqpmrxUHnYXK1h3Bt9qUnHmwZbh3XpFgO2/31PHC/kWBvq9l1:kmQaHOP+Y/KqpmNUHnhh7ZbZ6/31PHtN

Malware Config

Extracted

Family

vidar

Version

56.1

Botnet

1375

C2

https://t.me/dishasta

https://steamcommunity.com/profiles/76561199441933804

http://167.235.150.8:80

Attributes
  • profile_id

    1375

Signatures

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Vidar family
  • Uses the VBS compiler for execution 1 TTPs
  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 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 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\start.exe
    "C:\Users\Admin\AppData\Local\Temp\start.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3140
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4984
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3140 -s 292
      2⤵
      • Program crash
      PID:3692
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3140 -ip 3140
    1⤵
      PID:1604

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/3140-1-0x00000000004F0000-0x00000000005F0000-memory.dmp

      Filesize

      1024KB

    • memory/4984-2-0x0000000000400000-0x000000000045F000-memory.dmp

      Filesize

      380KB

    • memory/4984-8-0x0000000000400000-0x000000000045F000-memory.dmp

      Filesize

      380KB