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Analysis

  • max time kernel
    165s
  • max time network
    179s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/01/2024, 10:14

General

  • Target

    uninst.exe

  • Size

    83KB

  • MD5

    61bc2c358e49694b01cb4bbac372e137

  • SHA1

    5edea6110b3fe6fd22ef82469368c694513871d6

  • SHA256

    76b2b91979ed0a988ecf14e29a7970dfa20667c6b0ae59828009147638ad2bf5

  • SHA512

    b34a0d1c73803476aaa2a3206bcf1020a3f875031963c1560eb999e24b98363ee381b93e1914a17648b6696d8c219ff2f99ff919a4890d49fe5445ee414f1de1

  • SSDEEP

    1536:/Px/CJAmx2/W5Ebnto4tmJPYRN6QcIA4lvs1eP/w49g3XTsJLYKq:3x6UW6tpmJPqTP/wQg3XTsJsKq

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • NSIS installer 2 IoCs
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 7 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⤵
    • Suspicious use of WriteProcessMemory
    PID:3908
    • 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
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1736
      • C:\Windows\SysWOW64\regsvr32.exe
        "regsvr32" /s /u "C:\Users\Admin\AppData\Local\Temp\SecPlugin.dll"
        3⤵
          PID:1796
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://spreadsheets.google.com/viewform?key=p3d_cpiUwq6REr5QYZBilKQ
          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:3680
          • 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,0x100,0x104,0xd8,0x108,0x7ffa732546f8,0x7ffa73254708,0x7ffa73254718
            4⤵
              PID:4380
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2108,1640248780899867644,1289830606884350925,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2120 /prefetch:2
              4⤵
                PID:3904
              • 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=2108,1640248780899867644,1289830606884350925,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2172 /prefetch:3
                4⤵
                • Suspicious behavior: EnumeratesProcesses
                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=storage.mojom.StorageService --field-trial-handle=2108,1640248780899867644,1289830606884350925,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2572 /prefetch:8
                4⤵
                  PID:4404
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2108,1640248780899867644,1289830606884350925,131072 --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=3292 /prefetch:1
                  4⤵
                    PID:2564
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2108,1640248780899867644,1289830606884350925,131072 --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=3272 /prefetch:1
                    4⤵
                      PID:4748
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2108,1640248780899867644,1289830606884350925,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2984 /prefetch:1
                      4⤵
                        PID:2640
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2108,1640248780899867644,1289830606884350925,131072 --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=5356 /prefetch:1
                        4⤵
                          PID:2564
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2108,1640248780899867644,1289830606884350925,131072 --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=5364 /prefetch:1
                          4⤵
                            PID:2464
                          • 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=2108,1640248780899867644,1289830606884350925,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5736 /prefetch:8
                            4⤵
                              PID:1576
                            • 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=2108,1640248780899867644,1289830606884350925,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5736 /prefetch:8
                              4⤵
                              • Suspicious behavior: EnumeratesProcesses
                              PID:1668
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2108,1640248780899867644,1289830606884350925,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5000 /prefetch:1
                              4⤵
                                PID:1864
                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2108,1640248780899867644,1289830606884350925,131072 --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=12 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4920 /prefetch:1
                                4⤵
                                  PID:2500
                          • C:\Windows\System32\CompPkgSrv.exe
                            C:\Windows\System32\CompPkgSrv.exe -Embedding
                            1⤵
                              PID:2612
                            • C:\Windows\System32\CompPkgSrv.exe
                              C:\Windows\System32\CompPkgSrv.exe -Embedding
                              1⤵
                                PID:552

                              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

                                efc9c7501d0a6db520763baad1e05ce8

                                SHA1

                                60b5e190124b54ff7234bb2e36071d9c8db8545f

                                SHA256

                                7af7b56e2f0a84ae008785726f3404eb9001baa4b5531d0d618c6bdcb05a3a7a

                                SHA512

                                bda611ddba56513a30295ea5ca8bc59e552154f860d13fed97201cdb81814dd6d1bca7deca6f8f58c9ae585d91e450f4383a365f80560f4b8e59a4c8b53c327d

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

                                Filesize

                                111B

                                MD5

                                285252a2f6327d41eab203dc2f402c67

                                SHA1

                                acedb7ba5fbc3ce914a8bf386a6f72ca7baa33c6

                                SHA256

                                5dfc321417fc31359f23320ea68014ebfd793c5bbed55f77dab4180bbd4a2026

                                SHA512

                                11ce7cb484fee66894e63c31db0d6b7ef66ad0327d4e7e2eb85f3bcc2e836a3a522c68d681e84542e471e54f765e091efe1ee4065641b0299b15613eb32dcc0d

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

                                Filesize

                                5KB

                                MD5

                                989ebce7ec2a21d1585205ab6a10a8a1

                                SHA1

                                411406e54f22b2a6f784dec0b9c3a81e9179c417

                                SHA256

                                be96cf7a1d270f88fdc624c9bfb6c767b27a5dc674b17f80873daee98c19ade7

                                SHA512

                                c3397dc022024bab5c4f0365ae5ccda785c79d74db0660f3c5b9b42a3d88c24ab2fcd07fa0115d5973478f790e400f0b62e5bbbe333e0a680b828b3d6ae07e9a

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

                                Filesize

                                5KB

                                MD5

                                d5a5bac284dc9ef981d1d9fe8e64dc99

                                SHA1

                                813b4eacfaf31dc709ad0e4c75884ad4fa86ac3f

                                SHA256

                                d79fa34d34d23bbb9d865708f8b8f3347c906fce21e09da18db6ed1b52cb2489

                                SHA512

                                6825bacf03c70c8dff177d8116b5c6d75fec40d1218e9841273fa963dca38dee3315f1512c6d640990f51d872fe6592d5f2e2e22e7a69ca280bc776b2571103d

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

                                Filesize

                                5KB

                                MD5

                                3d2b965036afce71b5efe58d1a7a2927

                                SHA1

                                f88504df268eecbaf46e4f29f053a413723deffd

                                SHA256

                                445618ee5e486df2782a9cc7ecdfe19083c72fac1eb30e07af2bb8c1e7572bc7

                                SHA512

                                661540ff350e9d425e2657ca30ab827be421fe4b9f68dc42b81868c4cf6afcab5eea876362eefe575f159bb3685e20c740e69bbcf23053d7cbc1a9cf8c965374

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

                                Filesize

                                24KB

                                MD5

                                121510c1483c9de9fdb590c20526ec0a

                                SHA1

                                96443a812fe4d3c522cfdbc9c95155e11939f4e2

                                SHA256

                                cf5d26bc399d0200a32080741e12f77d784a3117e6d58e07106e913f257aa46c

                                SHA512

                                b367741da9ab4e9a621ad663762bd9c459676e0fb1412e60f7068834cbd5c83b050608e33d5320e1b191be1d809fef48831e0f42b3ecabd38b24ec222576fa81

                              • 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

                                e37c4dd44ddd08deaefbf8382872d410

                                SHA1

                                de3db3ab20e886c8c7693c600da0d849d9d6fdb9

                                SHA256

                                0cc0523085cb3f9b40a2d5f163d2e9ffbf312359f3134916df5a0f322195fa9b

                                SHA512

                                ae44e13765e6b01d795a7b46bd6c0ead538432852afea23bbc638c83ca561690083fb290f3b995fdac7983e178ff404bee4f7cf8b3a4de3cc7e5e496480fb3e3

                              • C:\Users\Admin\AppData\Local\Temp\nsn652E.tmp\FindProcDLL.dll

                                Filesize

                                31KB

                                MD5

                                83cd62eab980e3d64c131799608c8371

                                SHA1

                                5b57a6842a154997e31fab573c5754b358f5dd1c

                                SHA256

                                a6122e80f1c51dc72770b4f56c7c482f7a9571143fbf83b19c4d141d0cb19294

                                SHA512

                                91cfbcc125600ec341f5571dcf1e4a814cf7673f82cf42f32155bd54791bbf32619f2bb14ae871d7996e9ddecdfcc5db40caa0979d6dfba3e73cfe8e69c163c9

                              • C:\Users\Admin\AppData\Local\Temp\nsn652E.tmp\KillProcDLL.dll

                                Filesize

                                32KB

                                MD5

                                83142eac84475f4ca889c73f10d9c179

                                SHA1

                                dbe43c0de8ef881466bd74861b2e5b17598b5ce8

                                SHA256

                                ae2f1658656e554f37e6eac896475a3862841a18ffc6fad2754e2d3525770729

                                SHA512

                                1c66eab21f0c9e0b99ecc3844516a6978f52e0c7f489405a427532ecbe78947c37dac5b4c8b722cc8bc1edfb74ba4824519d56099e587e754e5c668701e83bd1

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

                                Filesize

                                83KB

                                MD5

                                61bc2c358e49694b01cb4bbac372e137

                                SHA1

                                5edea6110b3fe6fd22ef82469368c694513871d6

                                SHA256

                                76b2b91979ed0a988ecf14e29a7970dfa20667c6b0ae59828009147638ad2bf5

                                SHA512

                                b34a0d1c73803476aaa2a3206bcf1020a3f875031963c1560eb999e24b98363ee381b93e1914a17648b6696d8c219ff2f99ff919a4890d49fe5445ee414f1de1