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Resubmissions

28/09/2024, 20:59

240928-zs8y1aygjf 3

Analysis

  • max time kernel
    70s
  • max time network
    64s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/09/2024, 20:59

General

  • Target

    https://cdn.discordapp.com/attachments/1276221944575950848/1289692998237687929/valid.zip?ex=66f9bfb4&is=66f86e34&hm=60b463cc3f3fcb106ab56b46870f930a9afc7d06d88c5110b285189f1ceea93e&

Score
3/10

Malware Config

Signatures

  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies registry class 18 IoCs
  • Opens file in notepad (likely ransom note) 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 7 IoCs
  • Suspicious use of FindShellTrayWindow 43 IoCs
  • Suspicious use of SendNotifyMessage 26 IoCs
  • Suspicious use of SetWindowsHookEx 25 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://cdn.discordapp.com/attachments/1276221944575950848/1289692998237687929/valid.zip?ex=66f9bfb4&is=66f86e34&hm=60b463cc3f3fcb106ab56b46870f930a9afc7d06d88c5110b285189f1ceea93e&
    1⤵
    • Enumerates system info in registry
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1592
    • 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,0x100,0x104,0xd8,0x108,0x7ff8af5e46f8,0x7ff8af5e4708,0x7ff8af5e4718
      2⤵
        PID:1040
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2080,7859708711365795993,12574448385272766928,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2108 /prefetch:2
        2⤵
          PID:5068
        • 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=2080,7859708711365795993,12574448385272766928,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2180 /prefetch:3
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:3520
        • 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=2080,7859708711365795993,12574448385272766928,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2904 /prefetch:8
          2⤵
            PID:400
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2080,7859708711365795993,12574448385272766928,131072 --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=3292 /prefetch:1
            2⤵
              PID:3804
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2080,7859708711365795993,12574448385272766928,131072 --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=3300 /prefetch:1
              2⤵
                PID:4872
              • 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=2080,7859708711365795993,12574448385272766928,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4992 /prefetch:8
                2⤵
                  PID:664
                • 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=2080,7859708711365795993,12574448385272766928,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4992 /prefetch:8
                  2⤵
                  • Suspicious behavior: EnumeratesProcesses
                  PID:4228
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=edge_collections.mojom.CollectionsDataManager --field-trial-handle=2080,7859708711365795993,12574448385272766928,131072 --lang=en-US --service-sandbox-type=collections --mojo-platform-channel-handle=5556 /prefetch:8
                  2⤵
                    PID:4296
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2080,7859708711365795993,12574448385272766928,131072 --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=5540 /prefetch:1
                    2⤵
                      PID:2344
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=quarantine.mojom.Quarantine --field-trial-handle=2080,7859708711365795993,12574448385272766928,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5484 /prefetch:8
                      2⤵
                      • Suspicious behavior: EnumeratesProcesses
                      PID:1648
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2080,7859708711365795993,12574448385272766928,131072 --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=5576 /prefetch:1
                      2⤵
                        PID:680
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2080,7859708711365795993,12574448385272766928,131072 --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=5680 /prefetch:1
                        2⤵
                          PID:1864
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=quarantine.mojom.Quarantine --field-trial-handle=2080,7859708711365795993,12574448385272766928,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5240 /prefetch:8
                          2⤵
                          • Suspicious behavior: EnumeratesProcesses
                          PID:2164
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2080,7859708711365795993,12574448385272766928,131072 --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=6376 /prefetch:1
                          2⤵
                            PID:964
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2080,7859708711365795993,12574448385272766928,131072 --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=16 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5376 /prefetch:1
                            2⤵
                              PID:1144
                          • C:\Windows\System32\CompPkgSrv.exe
                            C:\Windows\System32\CompPkgSrv.exe -Embedding
                            1⤵
                              PID:1584
                            • C:\Windows\System32\CompPkgSrv.exe
                              C:\Windows\System32\CompPkgSrv.exe -Embedding
                              1⤵
                                PID:3564
                              • C:\Windows\System32\rundll32.exe
                                C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
                                1⤵
                                  PID:3916
                                • C:\Windows\system32\OpenWith.exe
                                  C:\Windows\system32\OpenWith.exe -Embedding
                                  1⤵
                                  • Modifies registry class
                                  • Suspicious behavior: GetForegroundWindowSpam
                                  • Suspicious use of SetWindowsHookEx
                                  PID:1096
                                  • C:\Windows\system32\NOTEPAD.EXE
                                    "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\Temp1_valid.zip\validator\checker.py
                                    2⤵
                                    • Opens file in notepad (likely ransom note)
                                    PID:4560

                                Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

                                Loading Replay Monitor...

                                Downloads

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

                                  Filesize

                                  152B

                                  MD5

                                  ab8ce148cb7d44f709fb1c460d03e1b0

                                  SHA1

                                  44d15744015155f3e74580c93317e12d2cc0f859

                                  SHA256

                                  014006a90e43ea9a1903b08b843a5aab8ad3823d22e26e5b113fad5f9fa620ff

                                  SHA512

                                  f685423b1eaee18a2a06030b4b2977335f62499c0041c142a92f6e6f846c2b9ce54324b6ae94efbbb303282dcda70e2b1597c748fddc251c0b3122a412c2d7c4

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

                                  Filesize

                                  152B

                                  MD5

                                  38f59a47b777f2fc52088e96ffb2baaf

                                  SHA1

                                  267224482588b41a96d813f6d9e9d924867062db

                                  SHA256

                                  13569c5681c71dc42ab57d34879f5a567d7b94afe0e8f6d7c6f6c1314fb0087b

                                  SHA512

                                  4657d13e1bb7cdd7e83f5f2562f5598cca12edf839626ae96da43e943b5550fab46a14b9018f1bec90de88cc714f637605531ccda99deb9e537908ddb826113b

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

                                  Filesize

                                  186B

                                  MD5

                                  094ab275342c45551894b7940ae9ad0d

                                  SHA1

                                  2e7ce26fe2eb9be641ae929d0c9cc0dfa26c018e

                                  SHA256

                                  ef1739b833a1048ee1bd55dcbac5b1397396faca1ad771f4d6c2fe58899495a3

                                  SHA512

                                  19d0c688dc1121569247111e45de732b2ab86c71aecdde34b157cfd1b25c53473ed3ade49a97f8cb2ddc4711be78fa26c9330887094e031e9a71bb5c29080b0d

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

                                  Filesize

                                  6KB

                                  MD5

                                  188146890f96c21fbb694bd07428ee49

                                  SHA1

                                  c07004ac187dedf2ab0b11bfd2fde44c99c4f281

                                  SHA256

                                  d3f6fbb8df110920c41fc65805f06c9d9871303f55662ae4c79746dd2831b735

                                  SHA512

                                  380cb144abf643dc6681fbee15f4af5ccede6d4e45a8281702bbe8be9d25391b494a63d078839a9cd19a3ee01f971c8bcc06afeb16743eb36638f19f4f66fa7e

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

                                  Filesize

                                  5KB

                                  MD5

                                  bb6a4414c4d0a18ce7cf2d4809838da9

                                  SHA1

                                  7de90b584347396215c37b259decd490bd7cbe9b

                                  SHA256

                                  601a3fefecca65dd8f0e78a842ee697500614e158aefe4b329c3172863644e3a

                                  SHA512

                                  0b45b44e46be349244414f4a4bb2f55c44b3481f8778cf197a2b54c90bae70bb4341d6ee12a93715cd3d3c88fb8532d657272bee53129aff7ecac3091078a055

                                • 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

                                  d8584da0ec574d39a63240855cee5f0b

                                  SHA1

                                  9e8e2a85acbd5c093ca4972c80bb6ee97f504e7a

                                  SHA256

                                  7acde8c2062bd8e3634253934fd05f60a2dea0c2738a9ffe2f2d30c95423d7dc

                                  SHA512

                                  b21e2bffaddf1d43c38057cf568557eaaeb84f2feb2c8a6209d003a384600275bd227dc326092d761b36d3d22bcbc70bb906ae428204e91f8ce743be2bd43966

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

                                  Filesize

                                  10KB

                                  MD5

                                  fe2953a29c4cb9160385206e87ba326f

                                  SHA1

                                  a548972c91f9474128466a78048e1c79523c75eb

                                  SHA256

                                  39c12f471a8413e169975b136794fabc45e64f1638a52ae40db65618bfd73d28

                                  SHA512

                                  c1e6e9fe3603d5076b2c3a9cd5dc012279b1f90202fe0e3484438e1bf3dd5a8834df017fa28ad4ce3699e1624107861d11d20ebd65db7d5504ae2ba5a5f52df2

                                • C:\Users\Admin\Downloads\Unconfirmed 512120.crdownload

                                  Filesize

                                  1KB

                                  MD5

                                  2a8195a48b470f04c6fad6985407ac87

                                  SHA1

                                  20c5e652afc61875fb9ffe764f597491c981a465

                                  SHA256

                                  71dd6b8cd4266fbbb32e51da530aba4450cd3aa0d44da120575f167379cbcb69

                                  SHA512

                                  783ec53e872f2b08631c00992534f92fbd244868e468e383a0fc1808f45e2bb663bc887582fab9b25d4a911f3b1b4fae6daa2cb8462d24e3c85d42bf43dd73e6