Resubmissions

07/05/2025, 16:12

250507-tnvb6awlz76

03/04/2025, 18:30

250403-w5k6xs1zhw6

28/06/2022, 12:30

220628-ppntjshddq10

28/06/2022, 12:24

220628-pk7qvshdbl10

Analysis

  • max time kernel
    85s
  • max time network
    64s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    28/06/2022, 12:30

General

  • Target
    3e035f2d7d30869ce53171ef5a0f761bfb9c14d94d9fe6da385e20b8d96dc2fb.bin.exe
  • Size 71KB
  • Sample220628-ppntjshddq
  • SHA256 3e035f2d7d30869ce53171ef5a0f761bfb9c14d94d9fe6da385e20b8d96dc2fb
  • MD5 SHA1 SHA512
Score
10/10

Malware Config

Extracted

Path
  • C:\msocache\# DECRYPT FILES BLUESKY #.txt

Ransom Note
  • <<< B L U E S K Y >>> YOUR IMPORTANT FILES, DOCUMENTS, PHOTOS, VIDEOS, DATABASES HAVE BEEN ENCRYPTED! The only way to decrypt and restore your files is with our private key and program. Any attempts to restore your files manually will damage your files. To restore your files follow these instructions: -------------------------------------------------------------- 1. Download and install "Tor Browser" from https://torproject.org/ 2. Run "Tor Browser" 3. In the tor browser open website: http://ccpyeuptrlatb2piua4ukhnhi7lrxgerrcrj4p2b5uhbzqm2xgdjaqid.onion 4. On the website enter your recovery id: RECOVERY ID: 2898c3f96b33f589977288cb21b56d99c0a59ece1ff9342205122cf6b2017f86d4b75b033173ced0ec9ad0243c3127e438449f730e45abee8a75e3fd40cad4a3 5f55c0922fb48d5b598b875355c246bd942b043d4edd4c24a36dc9d8ca372b7a6b52bb60768b51610d92b8ae0ecf31504a0b3b31aa76c047 5. Follow the instructions --------------------------------------------------------------
URLs
  • http://ccpyeuptrlatb2piua4ukhnhi7lrxgerrcrj4p2b5uhbzqm2xgdjaqid.onion

Extracted

Path
  • C:\msocache\# DECRYPT FILES BLUESKY #.html

Ransom Note
  • <!DOCTYPE html> <html> <body> <center> <font size = "6"> <p><b>B L U E S K Y</b></p> <font size = "4"> <p><b>YOUR IMPORTANT FILES, DOCUMENTS, PHOTOS, VIDEOS, DATABASES HAVE BEEN ENCRYPTED!</b></p> <p>The only way to decrypt and restore your files is with our private key and program.</p> <p>Any attempts to restore your files manually will damage your files.</p> <br> <p>To restore your files follow these instructions:</p> <p><b>1. Download and install "Tor Browser" from https://torproject.org/</p> <p>2. Run "Tor Browser"</p> <p>3. In the Tor Browser open website:</p> <p></b>http://ccpyeuptrlatb2piua4ukhnhi7lrxgerrcrj4p2b5uhbzqm2xgdjaqid.onion</p> <p><b>4. On the website enter your recovery id:</p> <p></b>RECOVERY ID: 2898c3f96b33f589977288cb21b56d99c0a59ece1ff9342205122cf6b2017f86d4b75b033173ced0ec9ad0243c3127e438449f730e45abee8a75e3fd40cad4a3 5f55c0922fb48d5b598b875355c246bd942b043d4edd4c24a36dc9d8ca372b7a6b52bb60768b51610d92b8ae0ecf31504a0b3b31aa76c047</p> <p><b>5. Follow the instructions on the website</b></p> </center> </body> </html>

Extracted

Path
  • C:\Users\Admin\Desktop\# DECRYPT FILES BLUESKY #.html

Ransom Note
  • B L U E S K Y YOUR IMPORTANT FILES, DOCUMENTS, PHOTOS, VIDEOS, DATABASES HAVE BEEN ENCRYPTED! The only way to decrypt and restore your files is with our private key and program. Any attempts to restore your files manually will damage your files. To restore your files follow these instructions: 1. Download and install "Tor Browser" from https://torproject.org/ 2. Run "Tor Browser" 3. In the Tor Browser open website: http://ccpyeuptrlatb2piua4ukhnhi7lrxgerrcrj4p2b5uhbzqm2xgdjaqid.onion 4. On the website enter your recovery id: RECOVERY ID: 2898c3f96b33f589977288cb21b56d99c0a59ece1ff9342205122cf6b2017f86d4b75b033173ced0ec9ad0243c3127e438449f730e45abee8a75e3fd40cad4a3 5f55c0922fb48d5b598b875355c246bd942b043d4edd4c24a36dc9d8ca372b7a6b52bb60768b51610d92b8ae0ecf31504a0b3b31aa76c047 5. Follow the instructions on the website
URLs
  • http://ccpyeuptrlatb2piua4ukhnhi7lrxgerrcrj4p2b5uhbzqm2xgdjaqid.onion

Signatures

  • Modifies extensions of user files 9 IoCs

    Ransomware generally changes the extension on encrypted files.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies Internet Explorer settings 1 TTPs 33 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 37 IoCs
  • Suspicious use of SendNotifyMessage 32 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3e035f2d7d30869ce53171ef5a0f761bfb9c14d94d9fe6da385e20b8d96dc2fb.bin.exe
    "C:\Users\Admin\AppData\Local\Temp\3e035f2d7d30869ce53171ef5a0f761bfb9c14d94d9fe6da385e20b8d96dc2fb.bin.exe"
    1⤵
    • Modifies extensions of user files
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:1672
  • C:\Windows\system32\NOTEPAD.EXE
    "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\# DECRYPT FILES BLUESKY #.txt
    1⤵
      PID:2036
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\Desktop\# DECRYPT FILES BLUESKY #.html
      1⤵
      • Modifies Internet Explorer settings
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1700
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1700 CREDAT:275457 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:1248
    • C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe" --single-argument C:\Users\Admin\Desktop\# DECRYPT FILES BLUESKY #.html
      1⤵
      • Enumerates system info in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:1304
      • C:\Program Files\Google\Chrome\Application\chrome.exe
        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=89.0.4389.114 --initial-client-data=0xc0,0xc4,0xc8,0x94,0xcc,0x7fef6924f50,0x7fef6924f60,0x7fef6924f70
        2⤵
          PID:396
        • C:\Program Files\Google\Chrome\Application\chrome.exe
          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --field-trial-handle=1100,15920030754783725690,16412112306035549276,131072 --gpu-preferences=SAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=1112 /prefetch:2
          2⤵
            PID:1676
          • C:\Program Files\Google\Chrome\Application\chrome.exe
            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=1100,15920030754783725690,16412112306035549276,131072 --lang=en-US --service-sandbox-type=network --mojo-platform-channel-handle=1152 /prefetch:8
            2⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:2028
          • C:\Program Files\Google\Chrome\Application\chrome.exe
            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=1100,15920030754783725690,16412112306035549276,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=1704 /prefetch:8
            2⤵
              PID:2024
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1100,15920030754783725690,16412112306035549276,131072 --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2000 /prefetch:1
              2⤵
                PID:1500
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1100,15920030754783725690,16412112306035549276,131072 --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2008 /prefetch:1
                2⤵
                  PID:1740
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=1100,15920030754783725690,16412112306035549276,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2664 /prefetch:8
                  2⤵
                    PID:2064
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --field-trial-handle=1100,15920030754783725690,16412112306035549276,131072 --gpu-preferences=SAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --use-gl=swiftshader-webgl --mojo-platform-channel-handle=3244 /prefetch:2
                    2⤵
                      PID:2148

                  Network

                        MITRE ATT&CK Enterprise v6

                        Replay Monitor

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                        Downloads

                        # DECRYPT FILES BLUESKY #.html

                        • Path C:\Users\Admin\Desktop\# DECRYPT FILES BLUESKY #.html
                        • Size 1KB
                        • SHA256 85c2089ab426ab13cd9d11a80d7c0b92b416aab477db2a51b970179912f93e34
                        • MD5 SHA1 SHA512

                        # DECRYPT FILES BLUESKY #.txt

                        • Path C:\Users\Admin\Desktop\# DECRYPT FILES BLUESKY #.txt
                        • Size 985B
                        • SHA256 fc35eb5b9ceb0245abf32764e77d70f9572d11f1bf606a369c8c914ee6fa9943
                        • MD5 SHA1 SHA512

                        memory/1672-54-0x00000000763C1000-0x00000000763C3000-memory.dmp

                        memory/2036-55-0x000007FEFBED1000-0x000007FEFBED3000-memory.dmp