Analysis

  • max time kernel
    146s
  • max time network
    149s
  • platform
    windows11-21h2_x64
  • resource
    win11-20231215-en
  • resource tags

    arch:x64arch:x86image:win11-20231215-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    18/12/2023, 05:37

General

  • Target
    https://notification.0ffice-authentication.com/?hqhctroq
  • Sample231218-gbmekaafd6
Score
5/10

Malware Config

Signatures

  • Detected potential entity reuse from brand microsoft.
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 8 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" --single-argument https://notification.0ffice-authentication.com/?hqhctroq
    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:1472
    • 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,0x7ffc72e53cb8,0x7ffc72e53cc8,0x7ffc72e53cd8
      2⤵
        PID:2984
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=1948,9555718943544631727,11737784307562842664,131072 --gpu-preferences=SAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=1912 /prefetch:2
        2⤵
          PID:1952
        • 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=1948,9555718943544631727,11737784307562842664,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2168 /prefetch:3
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:2648
        • 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=1948,9555718943544631727,11737784307562842664,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2444 /prefetch:8
          2⤵
            PID:1524
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1948,9555718943544631727,11737784307562842664,131072 --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=3304 /prefetch:1
            2⤵
              PID:2040
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1948,9555718943544631727,11737784307562842664,131072 --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=3328 /prefetch:1
              2⤵
                PID:1284
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1948,9555718943544631727,11737784307562842664,131072 --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=5080 /prefetch:1
                2⤵
                  PID:4372
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1948,9555718943544631727,11737784307562842664,131072 --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=5240 /prefetch:1
                  2⤵
                    PID:3204
                  • 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=1948,9555718943544631727,11737784307562842664,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5540 /prefetch:8
                    2⤵
                    • Suspicious behavior: EnumeratesProcesses
                    PID:1960
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1948,9555718943544631727,11737784307562842664,131072 --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=5692 /prefetch:1
                    2⤵
                      PID:4916
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1948,9555718943544631727,11737784307562842664,131072 --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=5700 /prefetch:1
                      2⤵
                        PID:3832
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1948,9555718943544631727,11737784307562842664,131072 --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=5352 /prefetch:1
                        2⤵
                          PID:5012
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1948,9555718943544631727,11737784307562842664,131072 --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=4888 /prefetch:1
                          2⤵
                            PID:3140
                          • 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=1948,9555718943544631727,11737784307562842664,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=6020 /prefetch:8
                            2⤵
                            • Suspicious behavior: EnumeratesProcesses
                            PID:2240
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=1948,9555718943544631727,11737784307562842664,131072 --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=1236 /prefetch:2
                            2⤵
                            • Suspicious behavior: EnumeratesProcesses
                            PID:1384
                        • C:\Windows\System32\CompPkgSrv.exe
                          C:\Windows\System32\CompPkgSrv.exe -Embedding
                          1⤵
                            PID:3508
                          • C:\Windows\System32\CompPkgSrv.exe
                            C:\Windows\System32\CompPkgSrv.exe -Embedding
                            1⤵
                              PID:4576

                            Network

                                  MITRE ATT&CK Enterprise v15

                                  Replay Monitor

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                                  Downloads

                                  settings.dat

                                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                  • Size 152B
                                  • SHA256 5342d5a6f08451e0f1c54f8e3658dd91eeba2be804f3582ddf8d6a4e2d0c6468
                                  • MD5 SHA1 SHA512

                                  the-real-index

                                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Code Cache\js\index-dir\the-real-index
                                  • Size 144B
                                  • SHA256 40066529f760d99073289a3db846ba10b75cec857b424ed54827fef638afd611
                                  • MD5 SHA1 SHA512

                                  Network Persistent State

                                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network Persistent State
                                  • Size 814B
                                  • SHA256 dbfd48bb82fed6105356675c720854daae79a8fe8999eecf0bab40feb20cc851
                                  • MD5 SHA1 SHA512

                                  Preferences

                                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
                                  • Size 5KB
                                  • SHA256 365148e10ef98fdad4e44635c47d7bccb1607d268601e10c5eec45eac91884ce
                                  • MD5 SHA1 SHA512 SSDEEP

                                  Preferences

                                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
                                  • Size 4KB
                                  • SHA256 7ec851e0947d30ba38ab21345f735854ad1a8a1d1015ebcd7fd0b047be2e10f5
                                  • MD5 SHA1 SHA512 SSDEEP

                                  Secure Preferences

                                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Secure Preferences
                                  • Size 25KB
                                  • SHA256 cb934e662ce5441a1fec40f63ddb8b828d7cf0f4a532712907064b377d2777c4
                                  • MD5 SHA1 SHA512 SSDEEP

                                  CURRENT

                                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\data_reduction_proxy_leveldb\CURRENT
                                  • Size 16B
                                  • SHA256 0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443
                                  • MD5 SHA1 SHA512

                                  CURRENT

                                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\data_reduction_proxy_leveldb\CURRENT
                                  • Size 16B
                                  • SHA256 1005a525006f148c86efcbfb36c6eac091b311532448010f70f7de9a68007167
                                  • MD5 SHA1 SHA512

                                  Local State

                                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                  • Size 10KB
                                  • SHA256 bffd4f4dcbd42929da064aaefecd4ede909e51619be97abe34574aab9cc73b54
                                  • MD5 SHA1 SHA512 SSDEEP

                                  Local State

                                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                  • Size 10KB
                                  • SHA256 ec720f95eed0fefe74fba627914b21566db99f8b74c1556ea4133cd4a6119014
                                  • MD5 SHA1 SHA512 SSDEEP