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Analysis

  • max time kernel
    146s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/05/2024, 08:48

General

  • Target

    4mdm17e4-yc6x-rmh1.msi

  • Size

    576KB

  • MD5

    762a9122604efe12866415dd4a8c1d50

  • SHA1

    0abf71df96f7fc03e51932fd0b8a51156482f8c4

  • SHA256

    d92958f2ad51b7d36251e2183b372f2f86ae3146f7ff289285b1283a24b7ddbf

  • SHA512

    130a0a877da93aaa92ffe0d328044002b85f4298e65e0f49315ec161f6a78c13e145e3046b9f6182fb1d66def35739fd7cfbd22b9eef70ebd3e7d65461ec1168

  • SSDEEP

    12288:cMzFfY6owv43bqKlRH1Vq9iyXvAVSY7DvN:cWhY6owvitjVqoAvA

Score
6/10

Malware Config

Signatures

  • Enumerates connected drives 3 TTPs 46 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Windows directory 11 IoCs
  • Loads dropped DLL 4 IoCs
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 44 IoCs
  • Suspicious use of FindShellTrayWindow 27 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\msiexec.exe
    msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\4mdm17e4-yc6x-rmh1.msi
    1⤵
    • Enumerates connected drives
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:2060
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1736
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding BB8D82BE21FA76599D685D6A12121654
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:3348
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument https://registradores.onr.org.br/
        3⤵
        • Enumerates system info in registry
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        • Suspicious use of WriteProcessMemory
        PID:1584
        • 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=0xfc,0x100,0x104,0xd8,0x108,0x7fff106246f8,0x7fff10624708,0x7fff10624718
          4⤵
            PID:5100
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2088,10581136500733002674,17635725723932083834,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2100 /prefetch:2
            4⤵
              PID:3124
            • 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=2088,10581136500733002674,17635725723932083834,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2152 /prefetch:3
              4⤵
              • Suspicious behavior: EnumeratesProcesses
              PID:3304
            • 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=2088,10581136500733002674,17635725723932083834,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2900 /prefetch:8
              4⤵
                PID:2156
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2088,10581136500733002674,17635725723932083834,131072 --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=3300 /prefetch:1
                4⤵
                  PID:4440
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2088,10581136500733002674,17635725723932083834,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3324 /prefetch:1
                  4⤵
                    PID:2632
                  • 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=2088,10581136500733002674,17635725723932083834,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5152 /prefetch:8
                    4⤵
                      PID:2848
                    • 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=2088,10581136500733002674,17635725723932083834,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5152 /prefetch:8
                      4⤵
                      • Suspicious behavior: EnumeratesProcesses
                      PID:4056
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2088,10581136500733002674,17635725723932083834,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5176 /prefetch:1
                      4⤵
                        PID:3608
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2088,10581136500733002674,17635725723932083834,131072 --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=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5256 /prefetch:1
                        4⤵
                          PID:3344
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2088,10581136500733002674,17635725723932083834,131072 --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=5680 /prefetch:1
                          4⤵
                            PID:2728
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2088,10581136500733002674,17635725723932083834,131072 --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=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5664 /prefetch:1
                            4⤵
                              PID:2848
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2088,10581136500733002674,17635725723932083834,131072 --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 --gpu-preferences=UAAAAAAAAADoAAAQAAAAAAAAAAAAAAAAAABgAAAEAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1480 /prefetch:2
                              4⤵
                              • Suspicious behavior: EnumeratesProcesses
                              PID:5376
                      • C:\Windows\System32\CompPkgSrv.exe
                        C:\Windows\System32\CompPkgSrv.exe -Embedding
                        1⤵
                          PID:4904
                        • C:\Windows\System32\CompPkgSrv.exe
                          C:\Windows\System32\CompPkgSrv.exe -Embedding
                          1⤵
                            PID:556

                          Network

                          MITRE ATT&CK Enterprise v15

                          Replay Monitor

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                          Downloads

                          • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat

                            Filesize

                            152B

                            MD5

                            b2a1398f937474c51a48b347387ee36a

                            SHA1

                            922a8567f09e68a04233e84e5919043034635949

                            SHA256

                            2dc0bf08246ddd5a32288c895d676017578d792349ca437b1b36e7b2f0ade6d6

                            SHA512

                            4a660c0549f7a850e07d8d36dab33121af02a7bd7e9b2f0137930b4c8cd89b6c5630e408f882684e6935dcb0d5cb5e01a854950eeda252a4881458cafcc7ef7c

                          • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat

                            Filesize

                            152B

                            MD5

                            1ac52e2503cc26baee4322f02f5b8d9c

                            SHA1

                            38e0cee911f5f2a24888a64780ffdf6fa72207c8

                            SHA256

                            f65058c6f1a745b37a64d4c97a8e8ee940210273130cec97a67f568088b5d4d4

                            SHA512

                            7670d606bc5197ecb7db3ddaecd6f74a80e6decae92b94e0e8145a7f463fa099058e89f9dfa1c45b9197c36e5e21994698186a2ec970bbdb0937fe28ca46a834

                          • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network Persistent State

                            Filesize

                            111B

                            MD5

                            807419ca9a4734feaf8d8563a003b048

                            SHA1

                            a723c7d60a65886ffa068711f1e900ccc85922a6

                            SHA256

                            aa10bf07b0d265bed28f2a475f3564d8ddb5e4d4ffee0ab6f3a0cc564907b631

                            SHA512

                            f10d496ae75db5ba412bd9f17bf0c7da7632db92a3fabf7f24071e40f5759c6a875ad8f3a72bad149da58b3da3b816077df125d0d9f3544adba68c66353d206c

                          • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network Persistent State

                            Filesize

                            404B

                            MD5

                            5586c674f8cb1ca262aeb53811dfd2ad

                            SHA1

                            28c10d475c2c7332f9ca236778c43c00bddfd9e1

                            SHA256

                            30994e0e668bdd380ee806663ceb8f2b59daab246c3551bf6cfaaaf77f58d05b

                            SHA512

                            4ad17a3833f0af36d48655d4ac01847d5dff32088dd44498b233600cfb604765f9436673fccbd075cf77723cd4f4799a7991602e1720878c7ffca4fdc9c26ac5

                          • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences

                            Filesize

                            5KB

                            MD5

                            d0fd1a7212add0f7a68a23a80d24bdba

                            SHA1

                            b10b47541dd633395b3f9786080d5505fe166e14

                            SHA256

                            7d06435ee46d6bb7828ff7b5a557dcb0066910feb58d1dd375c97a81544e1575

                            SHA512

                            3e4d75e236c17acf5f9ad81b1f777c54cdbd7781411b8072da0f3a5a54497fc05763342d5765980ff53fb2b2641ed41e97e0cbe844539d654ee16e8d1c71dac9

                          • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences

                            Filesize

                            6KB

                            MD5

                            c88b2b4a466c4bac10a29dc16dd6d403

                            SHA1

                            8569fbb4784856c5b9f3ce4d50d885ff6de2e09a

                            SHA256

                            e79e71f3bd5f771e7bf8796b64a9d1f0ae88c5305c5a75565a1fe64009adbbb4

                            SHA512

                            a7b47340bac9967447edd93d27d7b5239662cdcb24465f151be9ac0b545696f55101d03e0ed87b941160191dfecc2b33984cba1a5771dab24396ae04deeef2c4

                          • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\data_reduction_proxy_leveldb\CURRENT

                            Filesize

                            16B

                            MD5

                            6752a1d65b201c13b62ea44016eb221f

                            SHA1

                            58ecf154d01a62233ed7fb494ace3c3d4ffce08b

                            SHA256

                            0861415cada612ea5834d56e2cf1055d3e63979b69eb71d32ae9ae394d8306cd

                            SHA512

                            9cfd838d3fb570b44fc3461623ab2296123404c6c8f576b0de0aabd9a6020840d4c9125eb679ed384170dbcaac2fa30dc7fa9ee5b77d6df7c344a0aa030e0389

                          • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State

                            Filesize

                            11KB

                            MD5

                            b5f27111d78dc5420228dbd306738822

                            SHA1

                            732c7021bc5fb850c9513f0722a2305734e26876

                            SHA256

                            9e07344d4697ac68b435c8f857a6a448ab1c3a443ebaa09e014be1919ad709d0

                            SHA512

                            f4817fbf60e91c491dced814070217c4ffd2d94ede2db8b1015bd9f29e4af883e91acfd889d9407e2a7c945ef36b8a5aaddfadcd912b55062be1ac8aa724c5a4

                          • C:\Windows\Installer\MSI378B.tmp

                            Filesize

                            376KB

                            MD5

                            e12c5bcc254c953b1a46d1434804f4d2

                            SHA1

                            99f67acf34af1294f3c6e5eb521c862e1c772397

                            SHA256

                            5316cfae8b4d28ab7cbc5cab60e27b0c0f5a3210a921a4b0560769c5021c911b

                            SHA512

                            9a61aa00b651fc616cd09d28f4a6b872889a026c61d818595a82c58fdff187e3ad57916c2b8690d1e7016d73a05435e13a85758917cfb89029b34c4a1685aa0b