Analysis

  • max time kernel
    1734s
  • max time network
    1741s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-08-2024 23:00

General

  • Target

    _five-nuker-contents-dir/api-ms-win-crt-locale-l1-1-0.dll

  • Size

    15KB

  • MD5

    41dec36a6db70ae243fce02cd21597a3

  • SHA1

    bdb8c8267d3369e9c3cae42dfa0cb110619f9ff1

  • SHA256

    182a504cbbc6aaa7638c976664003ff41cd4ffb0fa8593691318897d73b2fefa

  • SHA512

    a8dd8d22fd866c4c728ce9877108aa8e8c4bbda991ba6fd3d72fc0f4b629360fe6253521017b3597973a46c6a7094d612ae2aba101b4727fec475b5b580c9119

  • SSDEEP

    384:Q9kW2hW/ZSf+VIYi+vJMAM+o/8E9VF0NyMv6T:ZX/Yi+OAMxkEJ

Score
3/10

Malware Config

Signatures

  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 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:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\_five-nuker-contents-dir\api-ms-win-crt-locale-l1-1-0.dll,#1
    1⤵
      PID:3580
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --profile-directory=Default
      1⤵
      • Enumerates system info in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:2800
      • 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=0x11c,0x120,0x124,0xf8,0x128,0x7ffe904746f8,0x7ffe90474708,0x7ffe90474718
        2⤵
          PID:2540
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2000,6388797677175462351,7937319151110495585,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2012 /prefetch:2
          2⤵
            PID:5020
          • 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=2000,6388797677175462351,7937319151110495585,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2356 /prefetch:3
            2⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:2620
          • 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=2000,6388797677175462351,7937319151110495585,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2728 /prefetch:8
            2⤵
              PID:2764
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2000,6388797677175462351,7937319151110495585,131072 --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=3392 /prefetch:1
              2⤵
                PID:4700
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2000,6388797677175462351,7937319151110495585,131072 --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=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3408 /prefetch:1
                2⤵
                  PID:1160
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2000,6388797677175462351,7937319151110495585,131072 --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=5088 /prefetch:1
                  2⤵
                    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=2000,6388797677175462351,7937319151110495585,131072 --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=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4980 /prefetch:1
                    2⤵
                      PID:2872
                    • 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=2000,6388797677175462351,7937319151110495585,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4776 /prefetch:8
                      2⤵
                        PID:3900
                      • 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=2000,6388797677175462351,7937319151110495585,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4776 /prefetch:8
                        2⤵
                        • Suspicious behavior: EnumeratesProcesses
                        PID:2068
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2000,6388797677175462351,7937319151110495585,131072 --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=4796 /prefetch:1
                        2⤵
                          PID:4312
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2000,6388797677175462351,7937319151110495585,131072 --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=3508 /prefetch:1
                          2⤵
                            PID:1364
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2000,6388797677175462351,7937319151110495585,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=12 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4212 /prefetch:1
                            2⤵
                              PID:3052
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2000,6388797677175462351,7937319151110495585,131072 --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=5444 /prefetch:2
                              2⤵
                              • Suspicious behavior: EnumeratesProcesses
                              PID:4992
                          • C:\Windows\System32\CompPkgSrv.exe
                            C:\Windows\System32\CompPkgSrv.exe -Embedding
                            1⤵
                              PID:4480
                            • C:\Windows\System32\CompPkgSrv.exe
                              C:\Windows\System32\CompPkgSrv.exe -Embedding
                              1⤵
                                PID:4944

                              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

                                ecf7ca53c80b5245e35839009d12f866

                                SHA1

                                a7af77cf31d410708ebd35a232a80bddfb0615bb

                                SHA256

                                882a513b71b26210ff251769b82b2c5d59a932f96d9ce606ca2fab6530a13687

                                SHA512

                                706722bd22ce27d854036b1b16e6a3cdb36284b66edc76238a79c2e11cee7d1307b121c898ad832eb1af73e4f08d991d64dc0bff529896ffb4ebe9b3dc381696

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

                                Filesize

                                152B

                                MD5

                                4dd2754d1bea40445984d65abee82b21

                                SHA1

                                4b6a5658bae9a784a370a115fbb4a12e92bd3390

                                SHA256

                                183b8e82a0deaa83d04736553671cedb738adc909f483b3c5f822a0e6be7477d

                                SHA512

                                92d44ee372ad33f892b921efa6cabc78e91025e89f05a22830763217826fa98d51d55711f85c8970ac58abf9adc6c85cc40878032cd6d2589ab226cd099f99e1

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

                                Filesize

                                180B

                                MD5

                                00a455d9d155394bfb4b52258c97c5e5

                                SHA1

                                2761d0c955353e1982a588a3df78f2744cfaa9df

                                SHA256

                                45a13c77403533b12fbeeeb580e1c32400ca17a32e15caa8c8e6a180ece27fed

                                SHA512

                                9553f8553332afbb1b4d5229bbf58aed7a51571ab45cbf01852b36c437811befcbc86f80ec422f222963fa7dabb04b0c9ae72e9d4ff2eeb1e58cde894fbe234f

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

                                Filesize

                                6KB

                                MD5

                                de8762624f6edff800433858aa97e12f

                                SHA1

                                c642ee0720b45a1900d2effa49bca49b47197e04

                                SHA256

                                7c1a1d66e673a7b25352ecb3aeab3466c00b0313b3a40cc84d73f0e02d8ab098

                                SHA512

                                d0af8eb4e7d84b893a2746c29276af309139811f5897a44aa40b7d41c3cf3dbb8eec893a89e4576b12185dc9eb412d091392a083f34cd49d26ec7cfffaa74faa

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

                                Filesize

                                6KB

                                MD5

                                aca68e4a514ef8b4b423d2065aaac194

                                SHA1

                                2be4f4b9d7c53f6ff827c7553d9194d2da8fa4a6

                                SHA256

                                6848557d030a7eee3bee020cee54c84755baacc2cf7d8780804a63eeec46d8db

                                SHA512

                                0cfbc2afe67959575aaf7148517a2094dccaa02ba081f2e3bcf93a281abd94d8eeb81e04213fd53f83771acf5c8d61bc24d98c27e3638802beec42b084345f0a

                              • 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

                                8ed3d89f9498e00ba311981e010167be

                                SHA1

                                154415cf44716c4cae3286738c692108f82903a4

                                SHA256

                                c1d5ae9800fefd72cdabd815df884c00af325ea986b92372f5a415c75bd6b6a8

                                SHA512

                                50cff60c9cca920c9bfd52225f7dd5e14566e004948e8bfc68ac34de623c77af9add9186a6282585b717147874ba5d4ddebef8b9ed14f44f612aad23f15b4fd2