Analysis

  • max time kernel
    117s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    20-07-2024 01:01

General

  • Target

    fa41bf610e2af66a75a73cb1d348aecc9a275756710c05be99220bbddbd34674.exe

  • Size

    5.2MB

  • MD5

    0891d36dd26059e8a74ada84fd9885e5

  • SHA1

    743f9e888626f1313ef387e4fe4d16c86f092ef9

  • SHA256

    fa41bf610e2af66a75a73cb1d348aecc9a275756710c05be99220bbddbd34674

  • SHA512

    874bf077b0878deefae6542d48057aa4291bbb73747da90d24e7b8721c96a83768dd6a9dcc1dd4b00200185a50a4066f3cffd0c09e042863ba0396ac56297782

  • SSDEEP

    98304:zKWiKUEpu5K2BgXs3eR6xH/KtnojpHXrD8Xs91Ae7Vfy2R1:zKWiKU+AGXuocUnojRXrD8Xs9V7ly2j

Malware Config

Extracted

Family

vidar

Version

10.5

Botnet

3a901b2c4dd248059af72250cf07aba7

C2

https://t.me/s41l0

https://steamcommunity.com/profiles/76561199743486170

Attributes
  • user_agent

    Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 YaBrowser/24.6.0.0 Safari/537.36

Signatures

  • Detect Vidar Stealer 3 IoCs
  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Downloads MZ/PE file
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Suspicious use of SetThreadContext 1 IoCs
  • 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 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 27 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fa41bf610e2af66a75a73cb1d348aecc9a275756710c05be99220bbddbd34674.exe
    "C:\Users\Admin\AppData\Local\Temp\fa41bf610e2af66a75a73cb1d348aecc9a275756710c05be99220bbddbd34674.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2948
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
      2⤵
        PID:2800
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
        2⤵
          PID:2640
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
          2⤵
          • Checks processor information in registry
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:2752
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\FIIIIJKFCAAE" & exit
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:1560
            • C:\Windows\SysWOW64\timeout.exe
              timeout /t 10
              4⤵
              • Delays execution with timeout.exe
              PID:1356

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\Cab96C5.tmp

        Filesize

        70KB

        MD5

        49aebf8cbd62d92ac215b2923fb1b9f5

        SHA1

        1723be06719828dda65ad804298d0431f6aff976

        SHA256

        b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

        SHA512

        bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

      • C:\Users\Admin\AppData\Local\Temp\Tar96F7.tmp

        Filesize

        181KB

        MD5

        4ea6026cf93ec6338144661bf1202cd1

        SHA1

        a1dec9044f750ad887935a01430bf49322fbdcb7

        SHA256

        8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

        SHA512

        6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

      • memory/2752-70-0x0000000000400000-0x0000000000640000-memory.dmp

        Filesize

        2.2MB

      • memory/2752-518-0x0000000000400000-0x0000000000640000-memory.dmp

        Filesize

        2.2MB

      • memory/2752-67-0x0000000000400000-0x0000000000640000-memory.dmp

        Filesize

        2.2MB

      • memory/2752-77-0x0000000000400000-0x0000000000640000-memory.dmp

        Filesize

        2.2MB

      • memory/2752-68-0x0000000000400000-0x0000000000640000-memory.dmp

        Filesize

        2.2MB

      • memory/2752-69-0x0000000000400000-0x0000000000640000-memory.dmp

        Filesize

        2.2MB

      • memory/2948-35-0x00000000003D0000-0x00000000003E5000-memory.dmp

        Filesize

        84KB

      • memory/2948-23-0x00000000003D0000-0x00000000003E5000-memory.dmp

        Filesize

        84KB

      • memory/2948-61-0x00000000003D0000-0x00000000003E5000-memory.dmp

        Filesize

        84KB

      • memory/2948-59-0x00000000003D0000-0x00000000003E5000-memory.dmp

        Filesize

        84KB

      • memory/2948-57-0x00000000003D0000-0x00000000003E5000-memory.dmp

        Filesize

        84KB

      • memory/2948-53-0x00000000003D0000-0x00000000003E5000-memory.dmp

        Filesize

        84KB

      • memory/2948-51-0x00000000003D0000-0x00000000003E5000-memory.dmp

        Filesize

        84KB

      • memory/2948-49-0x00000000003D0000-0x00000000003E5000-memory.dmp

        Filesize

        84KB

      • memory/2948-47-0x00000000003D0000-0x00000000003E5000-memory.dmp

        Filesize

        84KB

      • memory/2948-45-0x00000000003D0000-0x00000000003E5000-memory.dmp

        Filesize

        84KB

      • memory/2948-43-0x00000000003D0000-0x00000000003E5000-memory.dmp

        Filesize

        84KB

      • memory/2948-41-0x00000000003D0000-0x00000000003E5000-memory.dmp

        Filesize

        84KB

      • memory/2948-39-0x00000000003D0000-0x00000000003E5000-memory.dmp

        Filesize

        84KB

      • memory/2948-37-0x00000000003D0000-0x00000000003E5000-memory.dmp

        Filesize

        84KB

      • memory/2948-0-0x0000000073F8E000-0x0000000073F8F000-memory.dmp

        Filesize

        4KB

      • memory/2948-33-0x00000000003D0000-0x00000000003E5000-memory.dmp

        Filesize

        84KB

      • memory/2948-31-0x00000000003D0000-0x00000000003E5000-memory.dmp

        Filesize

        84KB

      • memory/2948-27-0x00000000003D0000-0x00000000003E5000-memory.dmp

        Filesize

        84KB

      • memory/2948-25-0x00000000003D0000-0x00000000003E5000-memory.dmp

        Filesize

        84KB

      • memory/2948-65-0x00000000003D0000-0x00000000003E5000-memory.dmp

        Filesize

        84KB

      • memory/2948-21-0x00000000003D0000-0x00000000003E5000-memory.dmp

        Filesize

        84KB

      • memory/2948-19-0x00000000003D0000-0x00000000003E5000-memory.dmp

        Filesize

        84KB

      • memory/2948-17-0x00000000003D0000-0x00000000003E5000-memory.dmp

        Filesize

        84KB

      • memory/2948-15-0x00000000003D0000-0x00000000003E5000-memory.dmp

        Filesize

        84KB

      • memory/2948-13-0x00000000003D0000-0x00000000003E5000-memory.dmp

        Filesize

        84KB

      • memory/2948-9-0x00000000003D0000-0x00000000003E5000-memory.dmp

        Filesize

        84KB

      • memory/2948-7-0x00000000003D0000-0x00000000003E5000-memory.dmp

        Filesize

        84KB

      • memory/2948-63-0x00000000003D0000-0x00000000003E5000-memory.dmp

        Filesize

        84KB

      • memory/2948-55-0x00000000003D0000-0x00000000003E5000-memory.dmp

        Filesize

        84KB

      • memory/2948-66-0x0000000073F80000-0x000000007466E000-memory.dmp

        Filesize

        6.9MB

      • memory/2948-30-0x00000000003D0000-0x00000000003E5000-memory.dmp

        Filesize

        84KB

      • memory/2948-11-0x00000000003D0000-0x00000000003E5000-memory.dmp

        Filesize

        84KB

      • memory/2948-6-0x00000000003D0000-0x00000000003E5000-memory.dmp

        Filesize

        84KB

      • memory/2948-5-0x00000000003D0000-0x00000000003EC000-memory.dmp

        Filesize

        112KB

      • memory/2948-4-0x0000000005580000-0x00000000056AA000-memory.dmp

        Filesize

        1.2MB

      • memory/2948-78-0x0000000073F80000-0x000000007466E000-memory.dmp

        Filesize

        6.9MB

      • memory/2948-3-0x0000000004CE0000-0x0000000004E60000-memory.dmp

        Filesize

        1.5MB

      • memory/2948-2-0x0000000073F80000-0x000000007466E000-memory.dmp

        Filesize

        6.9MB

      • memory/2948-1-0x0000000000EF0000-0x0000000001424000-memory.dmp

        Filesize

        5.2MB