Analysis

  • max time kernel
    111s
  • max time network
    161s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-04-2024 20:03

General

  • Target

    file.exe

  • Size

    214KB

  • MD5

    6ffddfaa28979ea075045cd5a8d69cb2

  • SHA1

    f69ed91bbcfa5061b7261fb11935c19a9ae52aec

  • SHA256

    df85d61e9523c0f3012f47049bec8c388f7bc8cf5e4daf4ead1f1f1ed0a60c64

  • SHA512

    9acf3cd91ef99c1ab06dd60721d34d76f1383038e542612e60db04014f86e1ee14b6d8a84ba1a4d424f113a121b89dcd1ee6f57d9866f29b4fd8ae35e0106bbb

  • SSDEEP

    6144:bJINz3fZmYbDhiX9wLWLKfzNv75mHrk/NOBRLyA:ex3hmYbI9SJh6rkV

Score
10/10

Malware Config

Extracted

Family

vidar

C2

https://steamcommunity.com/profiles/76561199662282318

https://t.me/t8jmhl

Attributes
  • 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 OPR/108.0.0.0

Signatures

  • Detect Vidar Stealer 3 IoCs
  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2884
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
        PID:4672
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4672 -s 2244
          3⤵
          • Program crash
          PID:3176
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4672 -ip 4672
      1⤵
        PID:3860
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=5088 --field-trial-handle=2588,i,4353937220825226770,7138584070663735671,262144 --variations-seed-version /prefetch:8
        1⤵
          PID:1700

        Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/2884-1-0x0000000074490000-0x0000000074C40000-memory.dmp

          Filesize

          7.7MB

        • memory/2884-0-0x0000000000E20000-0x0000000000E5C000-memory.dmp

          Filesize

          240KB

        • memory/2884-8-0x0000000074490000-0x0000000074C40000-memory.dmp

          Filesize

          7.7MB

        • memory/2884-12-0x0000000003390000-0x0000000005390000-memory.dmp

          Filesize

          32.0MB

        • memory/2884-16-0x0000000003390000-0x0000000005390000-memory.dmp

          Filesize

          32.0MB

        • memory/4672-4-0x0000000000400000-0x0000000000648000-memory.dmp

          Filesize

          2.3MB

        • memory/4672-9-0x0000000000400000-0x0000000000648000-memory.dmp

          Filesize

          2.3MB

        • memory/4672-11-0x0000000000400000-0x0000000000648000-memory.dmp

          Filesize

          2.3MB