Analysis

  • max time kernel
    570s
  • max time network
    581s
  • platform
    windows10-ltsc 2021_x64
  • resource
    win10ltsc2021-20250207-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20250207-enlocale:en-usos:windows10-ltsc 2021-x64system
  • submitted
    10-02-2025 19:52

General

  • Target

    data-Setup/data/extracted_3382/sss.bat

  • Size

    405B

  • MD5

    9ca3883fd45a5a455e64704ac6151ac9

  • SHA1

    e7f89032ce544253a51020d7e894f6919fc35839

  • SHA256

    c981688479756c987d6207e5804ed2b97fb50dfc80469309646c3f79d5ed05b4

  • SHA512

    e5746faaae0680f68295db94f3865a7ec56663553d7401f996cce18bdc67ade23aef10c81018da28992e82a8178dc8a567b5b355479c7ceedfb87e46be9efa5a

Malware Config

Extracted

Family

vidar

C2

https://t.me/sok33tn

https://steamcommunity.com/profiles/76561199824159981

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:136.0) Gecko/20100101 Firefox/136.0

Signatures

  • Detect Vidar Stealer 6 IoCs
  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Vidar family
  • Blocklisted process makes network request 2 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Using powershell.exe command.

  • Downloads MZ/PE file 3 IoCs
  • Executes dropped EXE 3 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

  • 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
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 27 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:3468
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\data-Setup\data\extracted_3382\sss.bat"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2724
      • C:\Windows\system32\net.exe
        net session
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4936
        • C:\Windows\system32\net1.exe
          C:\Windows\system32\net1 session
          4⤵
            PID:3056
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          powershell -NoProfile -ExecutionPolicy Bypass -File "C:\Users\Admin\AppData\Local\Temp\data-Setup\data\extracted_3382\script.ps1"
          3⤵
          • Blocklisted process makes network request
          • Command and Scripting Interpreter: PowerShell
          • Downloads MZ/PE file
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:4632
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Command "Add-MpPreference -ExclusionPath 'C:\'"
            4⤵
            • Command and Scripting Interpreter: PowerShell
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:2436
          • C:\Users\Admin\AppData\Roaming\7IYJWAU4.exe
            "C:\Users\Admin\AppData\Roaming\7IYJWAU4.exe"
            4⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2084
            • C:\Users\Admin\AppData\Roaming\7IYJWAU4.exe
              "C:\Users\Admin\AppData\Roaming\7IYJWAU4.exe"
              5⤵
              • Executes dropped EXE
              • System Location Discovery: System Language Discovery
              • Checks processor information in registry
              • Suspicious behavior: EnumeratesProcesses
              PID:2776
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 2084 -s 820
              5⤵
              • Program crash
              PID:1804
          • C:\Users\Admin\AppData\Roaming\O60FQKD4.exe
            "C:\Users\Admin\AppData\Roaming\O60FQKD4.exe"
            4⤵
            • Executes dropped EXE
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of WriteProcessMemory
            PID:4660
    • C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
      "C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-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
      1⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      PID:1796
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2084 -ip 2084
      1⤵
        PID:4972

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

        Filesize

        3KB

        MD5

        3eb3833f769dd890afc295b977eab4b4

        SHA1

        e857649b037939602c72ad003e5d3698695f436f

        SHA256

        c485a6e2fd17c342fca60060f47d6a5655a65a412e35e001bb5bf88d96e6e485

        SHA512

        c24bbc8f278478d43756807b8c584d4e3fb2289db468bc92986a489f74a8da386a667a758360a397e77e018e363be8912ac260072fa3e31117ad0599ac749e72

      • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

        Filesize

        1KB

        MD5

        5ad80c2c7a4f2bd682c0499263e423f8

        SHA1

        101f698488ca299fa869aec2d10442f39bffb7bf

        SHA256

        39c547b555f2e6e33d04f58c06b78dbf9a0e81f5620fc7f830d7a33642eb3a17

        SHA512

        b1494c99aa974805f9d0b6b0b3729ff4bf696c07ed50362a0ff72a972b7d88baa43460bc34fd5ac1fd201f69ce749541681ae751c893a4e18e1af1f8ed0b9b45

      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_z1pnjrpt.4ya.ps1

        Filesize

        60B

        MD5

        d17fe0a3f47be24a6453e9ef58c94641

        SHA1

        6ab83620379fc69f80c0242105ddffd7d98d5d9d

        SHA256

        96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

        SHA512

        5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

      • C:\Users\Admin\AppData\Roaming\7IYJWAU4.exe

        Filesize

        200KB

        MD5

        00affd80e21068e56ae72712509f7a98

        SHA1

        ca6af85f9f2a735f258e1a43043a4b54cdffa9df

        SHA256

        a03ce36025010929a9cc0d286ed02100d259ffc7693beb3623ea7007dce4802c

        SHA512

        07c3f0336e4a6d85bc7c14f1fcba924e45e077f0ada157fa17c4b989fced5d1ac59054c7e90729e63ce3d4f0de7e280a35776c614f681609714418d9a847b7d6

      • C:\Users\Admin\AppData\Roaming\O60FQKD4.exe

        Filesize

        11.8MB

        MD5

        eca54760f1e96a78e3f6bc537debc6bc

        SHA1

        82ef61482d781849a80f9f9cff67e2f76ffb7035

        SHA256

        b9b69e4088f61ce32506078d301f9cfc7db064945d6e608724e213aab5852db5

        SHA512

        f70749a89d7d66c2089981fc161db8c88cdf4a3ff6ae6df18b2c6f30b351ad9dd33e527ebea0052db2b60896f7caa44ca2edafa9381db689867d2f9806e36944

      • memory/2084-50-0x0000000005870000-0x0000000005E16000-memory.dmp

        Filesize

        5.6MB

      • memory/2084-49-0x00000000008A0000-0x00000000008D6000-memory.dmp

        Filesize

        216KB

      • memory/2436-33-0x00007FFA90730000-0x00007FFA911F2000-memory.dmp

        Filesize

        10.8MB

      • memory/2436-24-0x00007FFA90730000-0x00007FFA911F2000-memory.dmp

        Filesize

        10.8MB

      • memory/2436-30-0x00007FFA90730000-0x00007FFA911F2000-memory.dmp

        Filesize

        10.8MB

      • memory/2436-18-0x00007FFA90730000-0x00007FFA911F2000-memory.dmp

        Filesize

        10.8MB

      • memory/2436-25-0x00007FFA90730000-0x00007FFA911F2000-memory.dmp

        Filesize

        10.8MB

      • memory/2776-52-0x0000000000400000-0x0000000000422000-memory.dmp

        Filesize

        136KB

      • memory/2776-54-0x0000000000400000-0x0000000000422000-memory.dmp

        Filesize

        136KB

      • memory/2776-84-0x0000000000400000-0x0000000000422000-memory.dmp

        Filesize

        136KB

      • memory/2776-83-0x0000000000400000-0x0000000000422000-memory.dmp

        Filesize

        136KB

      • memory/2776-82-0x0000000000400000-0x0000000000422000-memory.dmp

        Filesize

        136KB

      • memory/2776-81-0x0000000000400000-0x0000000000422000-memory.dmp

        Filesize

        136KB

      • memory/3468-74-0x00007FF785C60000-0x00007FF786F3E000-memory.dmp

        Filesize

        18.9MB

      • memory/4632-11-0x00007FFA90730000-0x00007FFA911F2000-memory.dmp

        Filesize

        10.8MB

      • memory/4632-12-0x00007FFA90730000-0x00007FFA911F2000-memory.dmp

        Filesize

        10.8MB

      • memory/4632-17-0x00007FFA90730000-0x00007FFA911F2000-memory.dmp

        Filesize

        10.8MB

      • memory/4632-1-0x000002255B550000-0x000002255B572000-memory.dmp

        Filesize

        136KB

      • memory/4632-68-0x00007FFA90730000-0x00007FFA911F2000-memory.dmp

        Filesize

        10.8MB

      • memory/4632-16-0x00007FFA90730000-0x00007FFA911F2000-memory.dmp

        Filesize

        10.8MB

      • memory/4632-13-0x00007FFA90730000-0x00007FFA911F2000-memory.dmp

        Filesize

        10.8MB

      • memory/4632-14-0x00007FFA90733000-0x00007FFA90735000-memory.dmp

        Filesize

        8KB

      • memory/4632-15-0x00007FFA90730000-0x00007FFA911F2000-memory.dmp

        Filesize

        10.8MB

      • memory/4632-0-0x00007FFA90733000-0x00007FFA90735000-memory.dmp

        Filesize

        8KB

      • memory/4660-70-0x00007FFAAED10000-0x00007FFAAED12000-memory.dmp

        Filesize

        8KB

      • memory/4660-72-0x00007FF785C60000-0x00007FF786F3D000-memory.dmp

        Filesize

        18.9MB