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Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240221-en
  • resource tags

    arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    26/03/2024, 13:52

General

  • Target

    https://app.lahar.com.br/email-marketing/redirect/Mjc1/ZWJkaV84MjUz/MQ==/NjU3MzE=/Y2Fyb2xpbmEubG9wZXNAc29kZXhvLmNvbQ==/Y2xpcXVlX25vX2xpbms=/aHR0cHM6Ly9zdW4uZWR1enouY29tLzIyNjYyNjNfX0xBSEFSX191dG1fc291cmNlPUxhaGFyJnV0bV9tZWRpdW09ZW1haWwmdXRtX2NhbXBhaWduPV8yMDI0MDMxOF8xMDA4NTBfZWJkaV9kYXlfX3ZlbmRhXzAxX19wdWJsaWNvXzAzX2ZvbGxvdw==/QVBQTEFIQVI=

Score
1/10

Malware Config

Signatures

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 26 IoCs
  • Suspicious use of SendNotifyMessage 12 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Files\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument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://app.lahar.com.br/email-marketing/redirect/Mjc1/ZWJkaV84MjUz/MQ==/NjU3MzE=/Y2Fyb2xpbmEubG9wZXNAc29kZXhvLmNvbQ==/Y2xpcXVlX25vX2xpbms=/aHR0cHM6Ly9zdW4uZWR1enouY29tLzIyNjYyNjNfX0xBSEFSX191dG1fc291cmNlPUxhaGFyJnV0bV9tZWRpdW09ZW1haWwmdXRtX2NhbXBhaWduPV8yMDI0MDMxOF8xMDA4NTBfZWJkaV9kYXlfX3ZlbmRhXzAxX19wdWJsaWNvXzAzX2ZvbGxvdw==/QVBQTEFIQVI=
    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:4280
    • 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=0x100,0x104,0x108,0xdc,0x10c,0x7ffd60d09758,0x7ffd60d09768,0x7ffd60d09778
      2⤵
        PID:4760
      • 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=1632 --field-trial-handle=1812,i,10098431233134428173,2600299530551447848,131072 /prefetch:2
        2⤵
          PID:228
        • 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=2056 --field-trial-handle=1812,i,10098431233134428173,2600299530551447848,131072 /prefetch:8
          2⤵
            PID:3296
          • 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=2144 --field-trial-handle=1812,i,10098431233134428173,2600299530551447848,131072 /prefetch:8
            2⤵
              PID:2804
            • 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=2932 --field-trial-handle=1812,i,10098431233134428173,2600299530551447848,131072 /prefetch:1
              2⤵
                PID:4168
              • 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=2940 --field-trial-handle=1812,i,10098431233134428173,2600299530551447848,131072 /prefetch:1
                2⤵
                  PID:4136
                • 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=7 --mojo-platform-channel-handle=4584 --field-trial-handle=1812,i,10098431233134428173,2600299530551447848,131072 /prefetch:1
                  2⤵
                    PID:492
                  • 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=3944 --field-trial-handle=1812,i,10098431233134428173,2600299530551447848,131072 /prefetch:8
                    2⤵
                      PID:4192
                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=video_capture.mojom.VideoCaptureService --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3860 --field-trial-handle=1812,i,10098431233134428173,2600299530551447848,131072 /prefetch:8
                      2⤵
                      • Modifies registry class
                      PID:1644
                    • 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=10 --mojo-platform-channel-handle=5204 --field-trial-handle=1812,i,10098431233134428173,2600299530551447848,131072 /prefetch:1
                      2⤵
                        PID:1080
                      • 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=11 --mojo-platform-channel-handle=4544 --field-trial-handle=1812,i,10098431233134428173,2600299530551447848,131072 /prefetch:1
                        2⤵
                          PID:2756
                        • 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 --mojo-platform-channel-handle=5636 --field-trial-handle=1812,i,10098431233134428173,2600299530551447848,131072 /prefetch:8
                          2⤵
                            PID:2836
                          • 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=4856 --field-trial-handle=1812,i,10098431233134428173,2600299530551447848,131072 /prefetch:8
                            2⤵
                              PID:1608
                            • 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=10.0.22000.1 --gpu-preferences=UAAAAAAAAADoAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAACQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2276 --field-trial-handle=1812,i,10098431233134428173,2600299530551447848,131072 /prefetch:2
                              2⤵
                              • Suspicious behavior: EnumeratesProcesses
                              PID:3420
                          • 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:904

                            Network

                            MITRE ATT&CK Enterprise v15

                            Replay Monitor

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                            Downloads

                            • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Code Cache\js\index-dir\the-real-index

                              Filesize

                              264B

                              MD5

                              7f1bb3720864956ed05964e539ff95a0

                              SHA1

                              d4f578ca0b37b1ef60fc9e87302b754cc7ed34d8

                              SHA256

                              63acd980c838095848d3d5a8378e18e74c155458f0038651d38c5839717489d7

                              SHA512

                              460c2c618bd4312d14bc23cb773ebd2dbc3812d348e709b5b40b0e6b1c2e11577214099f4ab14a6dc069dec832f858b9917ae7b83effc8e203223ad4a69049e1

                            • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\Network Persistent State

                              Filesize

                              2KB

                              MD5

                              69c93acb664f343110608a32c21761ab

                              SHA1

                              10ac7bd38e6d3592ff0f2cf5928d382f6770c46d

                              SHA256

                              b4f7393c872021f0f8a98a789e11059ecf2bc3b23265229dbe31f771eae0e3ff

                              SHA512

                              328afe17d07eade7158c4a705a906ec15077e3b65131cbb684368744a731eec79cba259065b21f235d5be96072e9175c78445fa3c671d5db1b942e3ac1342d45

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

                              Filesize

                              706B

                              MD5

                              03567b33fbd30c638fd01ef6dc424e64

                              SHA1

                              c3926c9406cdcf04e7306f049887140ae46a04b3

                              SHA256

                              0067f2742a732ac729cedf290ece39d127524e4c9ee819a2e5ec6ca42ecdcc38

                              SHA512

                              8d4140f293a50cda06068ae40f1d1030de11bd4a3771f3ccf1ff9e64e90acfb0c387a67a5ee03c5fe9c41173ae56391c50c5b81a72c5c29f3c09094c5d327d01

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

                              Filesize

                              6KB

                              MD5

                              48eea3a6e9ea667c94bf2fa9550a8af5

                              SHA1

                              66cdb9f7dadf9100056ceba21199c163f32d2be3

                              SHA256

                              d83b440e1baec48a5c4cea9b2bd884c5434c2d53a18e5e016ec5b07466a3b1f3

                              SHA512

                              68078dab9057250373138f83cc7a579d2eb515e4b3e9cc5b0b973a8064761f5682279b60b07155879e3b1413e8535f07be17a35067b55b9ed98f1ee0d561c53d

                            • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State

                              Filesize

                              130KB

                              MD5

                              3ff651d5521a12b3aacb009f3cba74e3

                              SHA1

                              5ad0015ff876bec2ee587072756cc59c23da8306

                              SHA256

                              dd1ba84333cf90d7a936fd3a4e1d26bf1af8a983ea978d7bd07d96a1ad591d0b

                              SHA512

                              af5cda3934f0927a0b9faa40d634220cfbbc3aef999744735f90b0ba3898897d49cff18b67877773724dfcb03f1e13dfd31bbf7261fde63aa392602126aba3ec

                            • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\persisted_first_party_sets.json

                              Filesize

                              2B

                              MD5

                              99914b932bd37a50b983c5e7c90ae93b

                              SHA1

                              bf21a9e8fbc5a3846fb05b4fa0859e0917b2202f

                              SHA256

                              44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a

                              SHA512

                              27c74670adb75075fad058d5ceaf7b20c4e7786c83bae8a32f626f9782af34c9a33c2046ef60fd2a7878d378e29fec851806bbd9a67878f3a9f1cda4830763fd