Analysis

  • max time kernel
    1781s
  • max time network
    1777s
  • platform
    windows11-21h2_x64
  • resource
    win11-20241007-en
  • resource tags

    arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    03-12-2024 17:09

General

  • Target

    https://4c20a669.820c6be6b16a6e9d7286f143.workers.dev?qrc=befordmontrose-env.com

Malware Config

Signatures

  • Detected potential entity reuse from brand MICROSOFT.
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 10 IoCs
  • Suspicious use of FindShellTrayWindow 25 IoCs
  • Suspicious use of SendNotifyMessage 12 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --start-maximized --single-argument https://4c20a669.820c6be6b16a6e9d7286f143.workers.dev?qrc=befordmontrose-env.com
    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:396
    • 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=90.0.4430.212 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=90.0.818.66 --initial-client-data=0x100,0x104,0x108,0xdc,0x10c,0x7ff852913cb8,0x7ff852913cc8,0x7ff852913cd8
      2⤵
        PID:3628
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=1928,12626325102549165761,7046581226628111724,131072 --gpu-preferences=SAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=1924 /prefetch:2
        2⤵
          PID:2644
        • 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=1928,12626325102549165761,7046581226628111724,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2420 /prefetch:3
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:4580
        • 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=1928,12626325102549165761,7046581226628111724,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2588 /prefetch:8
          2⤵
            PID:2412
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1928,12626325102549165761,7046581226628111724,131072 --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
            2⤵
              PID:2224
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1928,12626325102549165761,7046581226628111724,131072 --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
              2⤵
                PID:3356
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --field-trial-handle=1928,12626325102549165761,7046581226628111724,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4720 /prefetch:8
                2⤵
                • Suspicious behavior: EnumeratesProcesses
                PID:2152
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1928,12626325102549165761,7046581226628111724,131072 --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=4760 /prefetch:1
                2⤵
                  PID:2896
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1928,12626325102549165761,7046581226628111724,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4572 /prefetch:1
                  2⤵
                    PID:1496
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1928,12626325102549165761,7046581226628111724,131072 --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=5800 /prefetch:1
                    2⤵
                      PID:3084
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1928,12626325102549165761,7046581226628111724,131072 --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=5220 /prefetch:1
                      2⤵
                        PID:3940
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1928,12626325102549165761,7046581226628111724,131072 --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=5788 /prefetch:1
                        2⤵
                          PID:3856
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1928,12626325102549165761,7046581226628111724,131072 --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=13 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5016 /prefetch:1
                          2⤵
                            PID:4276
                          • C:\Program Files (x86)\Microsoft\Edge\Application\90.0.818.66\identity_helper.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\90.0.818.66\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=1928,12626325102549165761,7046581226628111724,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=6208 /prefetch:8
                            2⤵
                            • Suspicious behavior: EnumeratesProcesses
                            PID:1664
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1928,12626325102549165761,7046581226628111724,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=15 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=1736 /prefetch:1
                            2⤵
                              PID:5052
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1928,12626325102549165761,7046581226628111724,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=16 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4860 /prefetch:1
                              2⤵
                                PID:2772
                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=1928,12626325102549165761,7046581226628111724,131072 --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=10.0.22000.1 --gpu-preferences=SAAAAAAAAADoAAAwAAAAAAAAAAAAAAAAAABgAAAQAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=5076 /prefetch:2
                                2⤵
                                • Suspicious behavior: EnumeratesProcesses
                                PID:2944
                            • C:\Windows\System32\CompPkgSrv.exe
                              C:\Windows\System32\CompPkgSrv.exe -Embedding
                              1⤵
                                PID:388
                              • C:\Windows\System32\CompPkgSrv.exe
                                C:\Windows\System32\CompPkgSrv.exe -Embedding
                                1⤵
                                  PID:1824

                                Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

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                                Downloads

                                • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\28521642-c93a-46fb-9a14-af316516dc46.tmp

                                  Filesize

                                  10KB

                                  MD5

                                  023571ce01b9f9e821d4ccd002fa883a

                                  SHA1

                                  bd5cc94525c50acb29c5d592d147fdb02cbd8f24

                                  SHA256

                                  dfca7abba13f7d5872e53a9f7c20f5a545b3d98220bd2665dcdf6bcc69c10d20

                                  SHA512

                                  bd6720d0925aaa0fa110b12b8a9d847ceb4c3c031b81a405993a105dd728cf26f60edf30af756c78415603c17ab3a3c15d63042ed39159afddd247b8ff9be766

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

                                  Filesize

                                  152B

                                  MD5

                                  826c7cac03e3ae47bfe2a7e50281605e

                                  SHA1

                                  100fbea3e078edec43db48c3312fbbf83f11fca0

                                  SHA256

                                  239b1d7cc6f76e1d1832b0587664f114f38a21539cb8548e25626ed5053ea2ab

                                  SHA512

                                  a82f3c817a6460fd8907a4ac6ab37c2129fb5466707edcfb565c255680d7f7212a5669fe2a42976150f16e4e549ea8310078f22ed35514ee1b7b45b46d8cc96e

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

                                  Filesize

                                  152B

                                  MD5

                                  02a4b762e84a74f9ee8a7d8ddd34fedb

                                  SHA1

                                  4a870e3bd7fd56235062789d780610f95e3b8785

                                  SHA256

                                  366e497233268d7cdf699242e4b2c7ecc1999d0a84e12744f5af2b638e9d86da

                                  SHA512

                                  19028c45f2e05a0cb32865a2554513c1536bf9da63512ff4e964c94a3e171f373493c7787d2d2a6df8012648bbefab63a9de924f119c50c39c727cf81bdc659f

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

                                  Filesize

                                  168B

                                  MD5

                                  7b4f430d491f2bacdf9d57eefa1fd052

                                  SHA1

                                  5d190647434f3262c0c60fe05ec604e4db149ca7

                                  SHA256

                                  cff73585e1d7a543236b6a8c8f1d9aa6b07fc32ac384c21440bb0479962f00df

                                  SHA512

                                  c17bb263bfa85847addafb013b944ea6cab67fe3a784c80a177f5862636a689478967616d4ed7b5de783bfdd8c77997bd0e4fec3bc22098e468b17a62a230909

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

                                  Filesize

                                  96B

                                  MD5

                                  f9ba7f06d4dd4530eeb591feb513e0c1

                                  SHA1

                                  b8cc3cd2a21b47547fd699f8298b2ac44af8a001

                                  SHA256

                                  0fe6a7f1ee273df166df28b928f44e3254b849b3cb7ffbb812250f4f80794a2a

                                  SHA512

                                  02da9298236da3a27fae6be84e1b18749d346430fb57fb0031eb0f858d58020555a74a59b504741c2aabc9c5be97ce770316ecc5e046d87dcc60b69f00d804c4

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

                                  Filesize

                                  698B

                                  MD5

                                  c241073ae749c39be202a25bb3faad3b

                                  SHA1

                                  fbc504d9c37a34ecc022b21bb8c529307008f288

                                  SHA256

                                  b4d9e676b4c3f92029a6e68b1c5f958c0c9f9e124211c6c6378056c88c7d612c

                                  SHA512

                                  1b4ab64e9293f396682780da27d04c7b0c08c416a8c6944374c84e6b06c0e31716353220ec51b8e485b69ecbc0ae3010e5934e66fbd4173702b3a4a266be1b31

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

                                  Filesize

                                  976B

                                  MD5

                                  7e73ad3720041c2cb1a774c1ae41b5eb

                                  SHA1

                                  8562267f0590458aad24b1c5c87fe3bc6ce1fe16

                                  SHA256

                                  75bd9e61b101d6ee66ae0e8bad24b90dc9c1fedcd3671e131b5670cafef2cea6

                                  SHA512

                                  4e7eb447c391ea5800b9538df9efac3da7b2a67c9527edc89374ad76b47d900b5d69eb4a6ea98b59c73430a5dcff8af10360eba1264bdc10503b0b31565aeb13

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

                                  Filesize

                                  6KB

                                  MD5

                                  9ebd191e82e9155bb9fca9f3d1167f10

                                  SHA1

                                  648cf61e1d814530295a31e8e62512129c9939f8

                                  SHA256

                                  5e08cf0a3897d151b2716a125c23793e7322c98070e2ba594cb20e657026bde0

                                  SHA512

                                  041705d7718651c83d7639c3372e4de9e718396a33eb55127ca004e109a0d127f41f174bc17ca3bcdffe5c888b89ca5b93bc02dcbc1c07aa62acabd633dda8e5

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

                                  Filesize

                                  5KB

                                  MD5

                                  c0ac8a1c6c7d5ecf5756f9d40eedac96

                                  SHA1

                                  62e9785fb941f1ea4e6167253b74640aa8adbaa9

                                  SHA256

                                  7939b00ee5e4bf80b0beda5e3a4f489e144f9179860cc46ed36a6603a098ba8e

                                  SHA512

                                  df166980b84b7ca5e79eae26a7c74de735803f19701596c6be878178205982f5067376d10489bb0fa4e84d6423a18cbe3fef1292c5bb369de10f8e02fd390b78

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

                                  Filesize

                                  6KB

                                  MD5

                                  cb546930a06adbbb41671b2819372098

                                  SHA1

                                  8f74bf60ceb2aa15b8a666e96e4289b0e7428a62

                                  SHA256

                                  3b174ef1efe5440354d0bb36a2b3bf6ab64349d121c8597efea6b8ba72766321

                                  SHA512

                                  159f3517ff09d470ffc71657b0d757eb5b34c49762a53def4b81f72fb5ca2058c6ba759404ce660ebe141f157cd124356d95b8e6fce238b2252b7993e502b77d

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

                                  Filesize

                                  16B

                                  MD5

                                  46295cac801e5d4857d09837238a6394

                                  SHA1

                                  44e0fa1b517dbf802b18faf0785eeea6ac51594b

                                  SHA256

                                  0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443

                                  SHA512

                                  8969402593f927350e2ceb4b5bc2a277f3754697c1961e3d6237da322257fbab42909e1a742e22223447f3a4805f8d8ef525432a7c3515a549e984d3eff72b23

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

                                  Filesize

                                  16B

                                  MD5

                                  206702161f94c5cd39fadd03f4014d98

                                  SHA1

                                  bd8bfc144fb5326d21bd1531523d9fb50e1b600a

                                  SHA256

                                  1005a525006f148c86efcbfb36c6eac091b311532448010f70f7de9a68007167

                                  SHA512

                                  0af09f26941b11991c750d1a2b525c39a8970900e98cba96fd1b55dbf93fee79e18b8aab258f48b4f7bda40d059629bc7770d84371235cdb1352a4f17f80e145

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

                                  Filesize

                                  11KB

                                  MD5

                                  0c5946bf7e48527dedbbfbbc3c64b5b7

                                  SHA1

                                  6507c902e25d432cdeac9dc9fd12aca56fe29326

                                  SHA256

                                  58bcd4838159dda48dd85ffa3416b50d42dec4eb7ef6803957108e079c6f1b41

                                  SHA512

                                  88c39280845bd135488faf3383886e9a1a386ec833e451322ff4fd60ebf237150f72bab000c6b2e4ea816ac5ef84088a9b66ab34ca88e87640bc7c7251ff2acb

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

                                  Filesize

                                  10KB

                                  MD5

                                  84f6076805f9c3ea828fb3e4fd679ff2

                                  SHA1

                                  c4d8ffa8614349af97ef77ef369761810d93ec66

                                  SHA256

                                  6f0a6858fabf8c0657e182cca431ac968281ce9fabb51f86c8e0936f00d10350

                                  SHA512

                                  e6f60dc933da8028281cfca058f5d6a72999a5c1d93e5f7dcd0caed33535ded6b6af72c95c8f2332ad815dc0f9c829c793a8b649fbcaebdb9a4e6f05cc75a41a