Resubmissions

03-04-2024 19:54

240403-ymwwtabd88 10

29-03-2024 17:27

240329-v1sjrsde91 10

Analysis

  • max time kernel
    144s
  • max time network
    141s
  • platform
    windows10-1703_x64
  • resource
    win10-20240221-en
  • resource tags

    arch:x64arch:x86image:win10-20240221-enlocale:en-usos:windows10-1703-x64system
  • submitted
    03-04-2024 19:54

General

  • Target

    Inchr_StExta_Itst_v.3.1/Set-up.exe

  • Size

    1.1MB

  • MD5

    f975a2d83d63a473fa2fc5206b66bb79

  • SHA1

    e49d21f112ab27ae0953aff30ae122440cf164b9

  • SHA256

    6a2d3876003f6c68f824df4f0033564d8c230716908ba2e6c06ea1dd6d5f98e8

  • SHA512

    4af4ce56bf131432d488ed112f8858c1e1392d013c6ac0603f2fd70ed513091e35854c0f678efeab7fa9a551517c6b9698f40a92729112de4b852fa3c0c69d64

  • SSDEEP

    12288:IbCylcTVPbi7vT1K7n6HpVkg8KHIo5u0K1VmMxEnbuvuY2jTU+LHMA+nk2oG1ts:4lcTVPbikTMkg8KH/mmMxnvfphx8

Malware Config

Extracted

Family

vidar

Version

8.6

Botnet

cd7c97cce7ba52cbbfd2d03e0a6f87c3

C2

https://steamcommunity.com/profiles/76561199658817715

https://t.me/sa9ok

Attributes
  • profile_id_v2

    cd7c97cce7ba52cbbfd2d03e0a6f87c3

  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.0.0 Safari/537.36

Signatures

  • Detect Vidar Stealer 1 IoCs
  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Suspicious use of SetThreadContext 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Inchr_StExta_Itst_v.3.1\Set-up.exe
    "C:\Users\Admin\AppData\Local\Temp\Inchr_StExta_Itst_v.3.1\Set-up.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:680
    • C:\Windows\SysWOW64\ftp.exe
      C:\Windows\SysWOW64\ftp.exe
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:4084
      • C:\Users\Admin\AppData\Local\Temp\Aut2exe.au3
        C:\Users\Admin\AppData\Local\Temp\Aut2exe.au3
        3⤵
        • Loads dropped DLL
        PID:2132
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2132 -s 2176
          4⤵
          • Program crash
          PID:1068

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\55480bf4

    Filesize

    2.1MB

    MD5

    f8c089b1ff76276840392131027a2542

    SHA1

    743217be14b27edc6f64e426a594477c6e28c0e5

    SHA256

    cf98dff802efc19ad8e67085db972efedaa04ff6acc6141e596b3f44cf7d8574

    SHA512

    a47c5954ff9f6dfb768361c7f468fb27534f55ccb3baacb03ffeb16501bf41e2c9dc862ee3cc1f48d77b2b48f3734689784fc4349c231e67e17c62c6bc7521ac

  • C:\Users\Admin\AppData\Local\Temp\Aut2exe.au3

    Filesize

    1.3MB

    MD5

    88d518a90f4187b4542618cd328d7a34

    SHA1

    fa5fd671f8aabce769f82b960634d54c4a27e502

    SHA256

    5affc1a22d87715d5da70bfddb081335ca0a382b9cc4a54e18263047a76d5d81

    SHA512

    a1ed751ba7518dcb2cf9ab821fa28690d8f4a41238e4b8d97b37c00eef5662147dea600c90a7192142808f6668f8d252372e0712415d0fb7b9d1faa53b2b7769

  • memory/680-2-0x00007FF8B7C10000-0x00007FF8B7D7A000-memory.dmp

    Filesize

    1.4MB

  • memory/680-6-0x00007FF8B7C10000-0x00007FF8B7D7A000-memory.dmp

    Filesize

    1.4MB

  • memory/680-7-0x00007FF8B7C10000-0x00007FF8B7D7A000-memory.dmp

    Filesize

    1.4MB

  • memory/2132-20-0x00007FF8C3B90000-0x00007FF8C3D6B000-memory.dmp

    Filesize

    1.9MB

  • memory/2132-24-0x0000000000EB0000-0x00000000010F5000-memory.dmp

    Filesize

    2.3MB

  • memory/4084-10-0x00007FF8C3B90000-0x00007FF8C3D6B000-memory.dmp

    Filesize

    1.9MB

  • memory/4084-12-0x00000000743A0000-0x000000007451B000-memory.dmp

    Filesize

    1.5MB

  • memory/4084-14-0x00000000743A0000-0x000000007451B000-memory.dmp

    Filesize

    1.5MB

  • memory/4084-17-0x00000000743A0000-0x000000007451B000-memory.dmp

    Filesize

    1.5MB