Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/10/2024, 03:36

General

  • Target

    uninst.exe

  • Size

    60KB

  • MD5

    5491545c71cda05fd53c7fd240d2d7cf

  • SHA1

    bdcbb7ce27afe53ae1c5a0f42436f5127ccbc676

  • SHA256

    b9e94e7c7e9148ff85c6b203d7aec0f055ccf057e269ab8c4911b4fd301c782f

  • SHA512

    1d1d1a3cf4c251af3cf8e45c03960ab00621d393b20c4806c12598f65cc5c342ed1101213bee6d667b1af5e1a0b3a30647aa0bd229b4957d03c1868f48a80eb5

  • SSDEEP

    768:f1cVhpQI2EQK0iPDh84nScF15GYbWjXO3XJaBdvuGrWbZubJzmTP7SmprlWoo9:tQpQ5EP0ijnRTXJkTrWbyxmTP7Hg

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • NSIS installer 2 IoCs
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 6 IoCs
  • Suspicious use of FindShellTrayWindow 25 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\uninst.exe
    "C:\Users\Admin\AppData\Local\Temp\uninst.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1432
    • C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe
      "C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe" _?=C:\Users\Admin\AppData\Local\Temp\
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:632
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://client.genuineregistrydoctor.com/client/?PID=GRD&ACTION=uninstalled&IVER=2.6.5.8&ILAN=
        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:2388
        • 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,0x100,0x104,0xd8,0x108,0x7ffd9a0046f8,0x7ffd9a004708,0x7ffd9a004718
          4⤵
            PID:4428
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2128,17853843101604102815,10836738525120319758,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2140 /prefetch:2
            4⤵
              PID:3284
            • 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=2128,17853843101604102815,10836738525120319758,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2192 /prefetch:3
              4⤵
              • Suspicious behavior: EnumeratesProcesses
              PID:724
            • 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=2128,17853843101604102815,10836738525120319758,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2784 /prefetch:8
              4⤵
                PID:2964
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2128,17853843101604102815,10836738525120319758,131072 --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=3308 /prefetch:1
                4⤵
                  PID:2904
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2128,17853843101604102815,10836738525120319758,131072 --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=3320 /prefetch:1
                  4⤵
                    PID:1520
                  • 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=2128,17853843101604102815,10836738525120319758,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5268 /prefetch:8
                    4⤵
                      PID:2948
                    • 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=2128,17853843101604102815,10836738525120319758,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5268 /prefetch:8
                      4⤵
                      • Suspicious behavior: EnumeratesProcesses
                      PID:984
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2128,17853843101604102815,10836738525120319758,131072 --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=5300 /prefetch:1
                      4⤵
                        PID:1124
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2128,17853843101604102815,10836738525120319758,131072 --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=5364 /prefetch:1
                        4⤵
                          PID:4448
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2128,17853843101604102815,10836738525120319758,131072 --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=5584 /prefetch:1
                          4⤵
                            PID:1372
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2128,17853843101604102815,10836738525120319758,131072 --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=4792 /prefetch:1
                            4⤵
                              PID:3132
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2128,17853843101604102815,10836738525120319758,131072 --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=5504 /prefetch:2
                              4⤵
                              • Suspicious behavior: EnumeratesProcesses
                              PID:3060
                      • C:\Windows\System32\CompPkgSrv.exe
                        C:\Windows\System32\CompPkgSrv.exe -Embedding
                        1⤵
                          PID:2824
                        • C:\Windows\System32\CompPkgSrv.exe
                          C:\Windows\System32\CompPkgSrv.exe -Embedding
                          1⤵
                            PID:1752

                          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

                            e765f3d75e6b0e4a7119c8b14d47d8da

                            SHA1

                            cc9f7c7826c2e1a129e7d98884926076c3714fc0

                            SHA256

                            986443556d3878258b710d9d9efbf4f25f0d764c3f83dc54217f2b12a6eccd89

                            SHA512

                            a1872a849f27da78ebe9adb9beb260cb49ed5f4ca2d403f23379112bdfcd2482446a6708188100496e45db1517cdb43aba8bb93a75e605713c3f97cd716b1079

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

                            Filesize

                            152B

                            MD5

                            53bc70ecb115bdbabe67620c416fe9b3

                            SHA1

                            af66ec51a13a59639eaf54d62ff3b4f092bb2fc1

                            SHA256

                            b36cad5c1f7bc7d07c7eaa2f3cad2959ddb5447d4d3adcb46eb6a99808e22771

                            SHA512

                            cad44933b94e17908c0eb8ac5feeb53d03a7720d97e7ccc8724a1ed3021a5bece09e1f9f3cec56ce0739176ebbbeb20729e650f8bca04e5060c986b75d8e4921

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

                            Filesize

                            5KB

                            MD5

                            4bda8c09542a1d4c0ed68ed1b4037a07

                            SHA1

                            a0ae4cf4d8b1226945f582bfafa58564f27a1c7c

                            SHA256

                            4fcaca296173c843fbbd34e3c28190dcf70f07f7a1477d958499b78fc56226e3

                            SHA512

                            a2f825d7683021c1d99f816698b10f9a097e6838e0cd295eb53652c796220d83982c9696abbd03bfa44e2058806b01adf4d772a2f3577f7b0362faea53b9980c

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

                            Filesize

                            6KB

                            MD5

                            e03d51c75839e8327325ac9450a4b7e7

                            SHA1

                            15f6a0d995eb84b0b8191ad07ea149f3ee5d5a7f

                            SHA256

                            ded041deddccef807e6fd67ce9543c11017753f60bc0c24d97c1cb59eb721e47

                            SHA512

                            0142d678f226d7abec59fb368d7c489d4b201ee26773293feeb761e7b9804efaf341b46bd5f8bdee80f3b6f51688c706d96af7392801252bd301b5d63e4fa340

                          • 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

                            10KB

                            MD5

                            17d2603298e6d02f4434f99f50fb3ce4

                            SHA1

                            fa42c5807dbc4fef9b9222f745671f280fde4a3e

                            SHA256

                            e0efb569759ed84d96a0f6445d96c95f75b2304c158548b739831998391ec872

                            SHA512

                            4faf0396eb60979c619ab47e4e76d89548ebb3108e8e3d5ef930f5f2d8b1ecbc3a0803f6757a89d147cf1b7772e83e09bcd04f7d52c5d432b0a5e05b0926d905

                          • C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe

                            Filesize

                            60KB

                            MD5

                            5491545c71cda05fd53c7fd240d2d7cf

                            SHA1

                            bdcbb7ce27afe53ae1c5a0f42436f5127ccbc676

                            SHA256

                            b9e94e7c7e9148ff85c6b203d7aec0f055ccf057e269ab8c4911b4fd301c782f

                            SHA512

                            1d1d1a3cf4c251af3cf8e45c03960ab00621d393b20c4806c12598f65cc5c342ed1101213bee6d667b1af5e1a0b3a30647aa0bd229b4957d03c1868f48a80eb5