Analysis

  • max time kernel
    138s
  • 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
    29-06-2024 02:30

General

  • Target

    4fb42a9f7986b17d59814a0bb5daffb06a3f40736d9d5cf55daf46615bd1ca0f_NeikiAnalytics.exe

  • Size

    1.5MB

  • MD5

    df9bf4df68480a45ae5a38b85c3152e0

  • SHA1

    9cfe0a528a7e327f552f03961071232001cbe44c

  • SHA256

    4fb42a9f7986b17d59814a0bb5daffb06a3f40736d9d5cf55daf46615bd1ca0f

  • SHA512

    82dcf21b771c24e88d6fd6217780eb57948e17c5f3a52b4098579d2356b6e955b1a8f7423c98f40be027111c447db2c61281be4653f234a734757cf3548b1e19

  • SSDEEP

    24576:KK9MHjif9ILK3gBlsXbvLbLUJ70Uj654koEBETT2f1Y+TSXjk:K/jwaLKQl+bH4JbjzzEBETT29YMST

Malware Config

Extracted

Family

vidar

C2

https://t.me/g067n

https://steamcommunity.com/profiles/76561199707802586

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:129.0) Gecko/20100101 Firefox/129.0

Signatures

  • Detect Vidar Stealer 18 IoCs
  • Stealc

    Stealc is an infostealer written in C++.

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Downloads MZ/PE file
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses cryptocurrency files/wallets, 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 20 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4fb42a9f7986b17d59814a0bb5daffb06a3f40736d9d5cf55daf46615bd1ca0f_NeikiAnalytics.exe
    "C:\Users\Admin\AppData\Local\Temp\4fb42a9f7986b17d59814a0bb5daffb06a3f40736d9d5cf55daf46615bd1ca0f_NeikiAnalytics.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3040
    • C:\Users\Admin\AppData\Local\Temp\kat2E6E.tmp
      C:\Users\Admin\AppData\Local\Temp\kat2E6E.tmp
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3236
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Users\Admin\AppData\Local\Temp\kat2E6E.tmp" & rd /s /q "C:\ProgramData\DBGIJEHIIDGC" & exit
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1812
        • C:\Windows\SysWOW64\timeout.exe
          timeout /t 10
          4⤵
          • Delays execution with timeout.exe
          PID:4008
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --no-appcompat-clear --mojo-platform-channel-handle=3028 --field-trial-handle=2280,i,1836084024518340990,18250262151825427757,262144 --variations-seed-version /prefetch:3
    1⤵
      PID:5496
    • 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=3668 --field-trial-handle=2280,i,1836084024518340990,18250262151825427757,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:3804

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network\SCT Auditing Pending Reports

        Filesize

        2B

        MD5

        d751713988987e9331980363e24189ce

        SHA1

        97d170e1550eee4afc0af065b78cda302a97674c

        SHA256

        4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945

        SHA512

        b25b294cb4deb69ea00a4c3cf3113904801b6015e5956bd019a8570b1fe1d6040e944ef3cdee16d0a46503ca6e659a25f21cf9ceddc13f352a3c98138c15d6af

      • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network\Sdch Dictionaries

        Filesize

        40B

        MD5

        20d4b8fa017a12a108c87f540836e250

        SHA1

        1ac617fac131262b6d3ce1f52f5907e31d5f6f00

        SHA256

        6028bd681dbf11a0a58dde8a0cd884115c04caa59d080ba51bde1b086ce0079d

        SHA512

        507b2b8a8a168ff8f2bdafa5d9d341c44501a5f17d9f63f3d43bd586bc9e8ae33221887869fa86f845b7d067cb7d2a7009efd71dda36e03a40a74fee04b86856

      • C:\Users\Admin\AppData\Local\Temp\kat2E6E.tmp

        Filesize

        861KB

        MD5

        66064dbdb70a5eb15ebf3bf65aba254b

        SHA1

        0284fd320f99f62aca800fb1251eff4c31ec4ed7

        SHA256

        6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795

        SHA512

        b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f

      • memory/3040-9-0x0000000000400000-0x0000000000590000-memory.dmp

        Filesize

        1.6MB

      • memory/3040-0-0x00000000023E0000-0x00000000023E1000-memory.dmp

        Filesize

        4KB

      • memory/3040-1-0x0000000003F60000-0x0000000004070000-memory.dmp

        Filesize

        1.1MB

      • memory/3236-44-0x0000000000400000-0x0000000000648000-memory.dmp

        Filesize

        2.3MB

      • memory/3236-60-0x0000000000400000-0x0000000000648000-memory.dmp

        Filesize

        2.3MB

      • memory/3236-21-0x0000000000400000-0x0000000000648000-memory.dmp

        Filesize

        2.3MB

      • memory/3236-24-0x0000000000400000-0x0000000000648000-memory.dmp

        Filesize

        2.3MB

      • memory/3236-25-0x0000000000400000-0x0000000000648000-memory.dmp

        Filesize

        2.3MB

      • memory/3236-26-0x0000000000400000-0x0000000000648000-memory.dmp

        Filesize

        2.3MB

      • memory/3236-28-0x00000000227B0000-0x0000000022A0F000-memory.dmp

        Filesize

        2.4MB

      • memory/3236-43-0x0000000000400000-0x0000000000648000-memory.dmp

        Filesize

        2.3MB

      • memory/3236-8-0x0000000000400000-0x0000000000648000-memory.dmp

        Filesize

        2.3MB

      • memory/3236-11-0x0000000000400000-0x0000000000648000-memory.dmp

        Filesize

        2.3MB

      • memory/3236-61-0x0000000000400000-0x0000000000648000-memory.dmp

        Filesize

        2.3MB

      • memory/3236-68-0x0000000000400000-0x0000000000648000-memory.dmp

        Filesize

        2.3MB

      • memory/3236-4-0x0000000000400000-0x0000000000648000-memory.dmp

        Filesize

        2.3MB

      • memory/3236-79-0x0000000000400000-0x0000000000648000-memory.dmp

        Filesize

        2.3MB

      • memory/3236-80-0x0000000000400000-0x0000000000648000-memory.dmp

        Filesize

        2.3MB

      • memory/3236-81-0x0000000000400000-0x0000000000648000-memory.dmp

        Filesize

        2.3MB

      • memory/3236-10-0x0000000000400000-0x0000000000648000-memory.dmp

        Filesize

        2.3MB

      • memory/3236-87-0x0000000000400000-0x0000000000648000-memory.dmp

        Filesize

        2.3MB