Analysis

  • max time kernel
    144s
  • max time network
    131s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/06/2024, 11:22

General

  • Target
    VirusShare_501d52bcc05636268a66a6e9f1c5c4ad.exe
  • Size 368KB
  • Sample240610-ng1mpshd65
  • SHA256 7659872c938b820b351446509964ed4fcbc405b58e43694722f00bb42b277dd6
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Path
  • C:\Program Files\7-Zip\Lang\Recovery+kjkuq.txt

Ransom Note
  • __!@#!@#!__!@#!@#!__!@#!@#!__!@#!@#!__!@#!@#!__!@#!@#!__!@#!@#!__!@#!@#!__!@#!@#!__!@#!@#! NOT YOUR LANGUAGE? USE https://translate.google.com What happened to your files ? All of your files were protected by a strong encryption with RSA-4096. More information about the encryption keys using RSA-4096 can be found here: http://en.wikipedia.org/wiki/RSA_(cryptosystem) How did this happen ? !!! Specially for your PC was generated personal RSA-4096 KEY, both public and private. !!! ALL YOUR FILES were encrypted with the public key, which has been transferred to your computer via the Internet. !!! Decrypting of your files is only possible with the help of the private key and decrypt program , which is on our Secret Server What do I do ? So, there are two ways you can choose: wait for a miracle and get your price doubled, or start obtaining BITCOIN NOW! , and restore your data easy way. If You have really valuable data, you better not waste your time, because there is no other way to get your files, except make a payment. For more specific instructions, please visit your personal home page, there are a few different addresses pointing to your page below: 1. http://prest54538hnksjn4kjfwdbhwere.hotchunman.com/D361FA807B716C4 2. http://b4youfred5485jgsa3453f.italazudda.com/D361FA807B716C4 3. http://5rport45vcdef345adfkksawe.bematvocal.at/D361FA807B716C4 If for some reasons the addresses are not available, follow these steps: 1. Download and install tor-browser: http://www.torproject.org/projects/torbrowser.html.en 2. After a successful installation, run the browser and wait for initialization 3. Type in the address bar: fwgrhsao3aoml7ej.onion/D361FA807B716C4 4. Follow the instructions on the site. ---------------- IMPORTANT INFORMATION------------------------ *-*-* Your personal pages: http://prest54538hnksjn4kjfwdbhwere.hotchunman.com/D361FA807B716C4 http://b4youfred5485jgsa3453f.italazudda.com/D361FA807B716C4 http://5rport45vcdef345adfkksawe.bematvocal.at/D361FA807B716C4 *-*-* Your personal page Tor-Browser: fwgrhsao3aoml7ej.ONION/D361FA807B716C4 *-*-* Your personal identification ID: D361FA807B716C4
URLs
  • http://prest54538hnksjn4kjfwdbhwere.hotchunman.com/D361FA807B716C4

  • http://b4youfred5485jgsa3453f.italazudda.com/D361FA807B716C4

  • http://5rport45vcdef345adfkksawe.bematvocal.at/D361FA807B716C4

  • http://fwgrhsao3aoml7ej.onion/D361FA807B716C4

  • http://fwgrhsao3aoml7ej.ONION/D361FA807B716C4

Signatures

  • Deletes shadow copies 3 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Renames multiple (865) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 6 IoCs
  • Executes dropped EXE 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies registry class 1 IoCs
  • Opens file in notepad (likely ransom note) 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 47 IoCs
  • Suspicious use of FindShellTrayWindow 25 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 2 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Users\Admin\AppData\Local\Temp\VirusShare_501d52bcc05636268a66a6e9f1c5c4ad.exe
    "C:\Users\Admin\AppData\Local\Temp\VirusShare_501d52bcc05636268a66a6e9f1c5c4ad.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4268
    • C:\Users\Admin\AppData\Local\Temp\VirusShare_501d52bcc05636268a66a6e9f1c5c4ad.exe
      "C:\Users\Admin\AppData\Local\Temp\VirusShare_501d52bcc05636268a66a6e9f1c5c4ad.exe"
      2⤵
      • Checks computer location settings
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3428
      • C:\Windows\cbfpxbsciafq.exe
        C:\Windows\cbfpxbsciafq.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1052
        • C:\Windows\cbfpxbsciafq.exe
          C:\Windows\cbfpxbsciafq.exe
          4⤵
          • Checks computer location settings
          • Drops startup file
          • Executes dropped EXE
          • Adds Run key to start application
          • Drops file in Program Files directory
          • Modifies registry class
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          • System policy modification
          PID:2444
          • C:\Windows\System32\wbem\WMIC.exe
            "C:\Windows\System32\wbem\WMIC.exe" shadowcopy delete /nointeractive
            5⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:4472
          • C:\Windows\SysWOW64\NOTEPAD.EXE
            "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\RECOVERY.TXT
            5⤵
            • Opens file in notepad (likely ransom note)
            PID:1604
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument C:\Users\Admin\Desktop\RECOVERY.HTM
            5⤵
            • Enumerates system info in registry
            • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
            • Suspicious use of FindShellTrayWindow
            • Suspicious use of SendNotifyMessage
            • Suspicious use of WriteProcessMemory
            PID:2256
            • 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,0x100,0x104,0xd8,0x108,0x7ffff43946f8,0x7ffff4394708,0x7ffff4394718
              6⤵
                PID:3944
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2220,10089110399314835581,3347980766259338946,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2232 /prefetch:2
                6⤵
                  PID:4656
                • 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=2220,10089110399314835581,3347980766259338946,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2284 /prefetch:3
                  6⤵
                    PID:4008
                  • 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=2220,10089110399314835581,3347980766259338946,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2812 /prefetch:8
                    6⤵
                      PID:3688
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2220,10089110399314835581,3347980766259338946,131072 --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
                      6⤵
                        PID:5084
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2220,10089110399314835581,3347980766259338946,131072 --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=3316 /prefetch:1
                        6⤵
                          PID:280
                        • 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=2220,10089110399314835581,3347980766259338946,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5264 /prefetch:8
                          6⤵
                            PID:2892
                          • 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=2220,10089110399314835581,3347980766259338946,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5264 /prefetch:8
                            6⤵
                              PID:2436
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2220,10089110399314835581,3347980766259338946,131072 --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=4780 /prefetch:1
                              6⤵
                                PID:1880
                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2220,10089110399314835581,3347980766259338946,131072 --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=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4824 /prefetch:1
                                6⤵
                                  PID:2584
                                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2220,10089110399314835581,3347980766259338946,131072 --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=4188 /prefetch:1
                                  6⤵
                                    PID:3140
                                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2220,10089110399314835581,3347980766259338946,131072 --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=3608 /prefetch:1
                                    6⤵
                                      PID:4892
                                  • C:\Windows\SysWOW64\cmd.exe
                                    "C:\Windows\system32\cmd.exe" /c DEL C:\Windows\CBFPXB~1.EXE
                                    5⤵
                                      PID:2448
                                • C:\Windows\SysWOW64\cmd.exe
                                  "C:\Windows\system32\cmd.exe" /c DEL C:\Users\Admin\AppData\Local\Temp\VIRUSS~1.EXE
                                  3⤵
                                    PID:1880
                              • C:\Windows\system32\vssvc.exe
                                C:\Windows\system32\vssvc.exe
                                1⤵
                                • Suspicious use of AdjustPrivilegeToken
                                PID:3580
                              • C:\Windows\System32\CompPkgSrv.exe
                                C:\Windows\System32\CompPkgSrv.exe -Embedding
                                1⤵
                                  PID:3324
                                • C:\Windows\System32\CompPkgSrv.exe
                                  C:\Windows\System32\CompPkgSrv.exe -Embedding
                                  1⤵
                                    PID:464

                                  Network

                                        MITRE ATT&CK Enterprise v15

                                        Replay Monitor

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                                        Downloads

                                        Recovery+kjkuq.html

                                        • Path C:\Program Files\7-Zip\Lang\Recovery+kjkuq.html
                                        • Size 8KB
                                        • SHA256 3443bc2bdfcef484049dd980985b19bcb508df3d068a88be02e1f7f5f96dcab9
                                        • MD5 SHA1 SHA512 SSDEEP

                                        Recovery+kjkuq.png

                                        • Path C:\Program Files\7-Zip\Lang\Recovery+kjkuq.png
                                        • Size 69KB
                                        • SHA256 089392dd9d4f3a449d18a7eb5598adcfd8300b942e11b647dddb990378c4d935
                                        • MD5 SHA1 SHA512 SSDEEP

                                        Recovery+kjkuq.txt

                                        • Path C:\Program Files\7-Zip\Lang\Recovery+kjkuq.txt
                                        • Size 2KB
                                        • SHA256 b55e6d5c65b1466180954379e63175421ac3317bfbc0324b3f7e347609ea4cc7
                                        • MD5 SHA1 SHA512

                                        THIRDPARTYLICENSEREADME-JAVAFX.txt

                                        • Path C:\Program Files\Java\jre-1.8\THIRDPARTYLICENSEREADME-JAVAFX.txt
                                        • Size 560B
                                        • SHA256 6d8365ef1ad1ee6fc15271166d2df7a23e9f90eadeb3d597a9dcc099d69b73ab
                                        • MD5 SHA1 SHA512

                                        THIRDPARTYLICENSEREADME.txt

                                        • Path C:\Program Files\Java\jre-1.8\THIRDPARTYLICENSEREADME.txt
                                        • Size 560B
                                        • SHA256 504a9915f4ef7d942d3b4bc5dcd653b028600de6d33ab85431c9126480fc9181
                                        • MD5 SHA1 SHA512

                                        ClientSub2019_eula.txt

                                        • Path C:\Program Files\Microsoft Office\root\Office16\1033\ClientSub2019_eula.txt
                                        • Size 416B
                                        • SHA256 af760e27f4d431b4cbe38a806c83209400948a80c8a4a868de17e1a22aa8d5ab
                                        • MD5 SHA1 SHA512

                                        settings.dat

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                        • Size 152B
                                        • SHA256 247d0658695a1eb44924a32363906e37e9864ba742fe35362a71f3a520ad2654
                                        • MD5 SHA1 SHA512

                                        settings.dat

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                        • Size 152B
                                        • SHA256 c8077a9fc79e2691ef321d556c4ce9933ca0570f2bbaa32fa32999dfd5f908bb
                                        • MD5 SHA1 SHA512

                                        Preferences

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
                                        • Size 5KB
                                        • SHA256 19a670a8c632e3de38b1e87151a4d091fd85a3293a35ee708ef45f28cb4cda0b
                                        • MD5 SHA1 SHA512 SSDEEP

                                        Preferences

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
                                        • Size 6KB
                                        • SHA256 5d5351acae81a098f608b87ac74794e88fd31c3972531fc76d40ef4f0afa5188
                                        • 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 9816d72e9e780eb2b5cfed0abd46476c2208705d96567c4a92ee97f58f06b8da
                                        • MD5 SHA1 SHA512 SSDEEP

                                        AppCache133596449526171674.txt

                                        • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search_cw5n1h2txyewy\LocalState\DeviceSearchCache\AppCache133596449526171674.txt
                                        • Size 75KB
                                        • SHA256 9358a1773e3157fee8a1eb20fcee03e264174d8fda43658b3fca76365239009d
                                        • MD5 SHA1 SHA512 SSDEEP

                                        cbfpxbsciafq.exe

                                        • Path C:\Windows\cbfpxbsciafq.exe
                                        • Size 368KB
                                        • SHA256 7659872c938b820b351446509964ed4fcbc405b58e43694722f00bb42b277dd6
                                        • MD5 SHA1 SHA512 SSDEEP

                                        memory/1052-12-0x0000000000400000-0x00000000005AF000-memory.dmp

                                        memory/1052-20-0x0000000000400000-0x00000000005AF000-memory.dmp

                                        memory/2444-19-0x0000000000400000-0x0000000000485000-memory.dmp

                                        memory/2444-10348-0x0000000000400000-0x0000000000485000-memory.dmp

                                        memory/2444-26-0x0000000000400000-0x0000000000485000-memory.dmp

                                        memory/2444-24-0x0000000000400000-0x0000000000485000-memory.dmp

                                        memory/2444-21-0x0000000000400000-0x0000000000485000-memory.dmp

                                        memory/2444-17-0x0000000000400000-0x0000000000485000-memory.dmp

                                        memory/2444-1628-0x0000000000400000-0x0000000000485000-memory.dmp

                                        memory/2444-3825-0x0000000000400000-0x0000000000485000-memory.dmp

                                        memory/2444-6442-0x0000000000400000-0x0000000000485000-memory.dmp

                                        memory/2444-18-0x0000000000400000-0x0000000000485000-memory.dmp

                                        memory/2444-9395-0x0000000000400000-0x0000000000485000-memory.dmp

                                        memory/2444-68-0x0000000000400000-0x0000000000485000-memory.dmp

                                        memory/2444-10349-0x0000000000400000-0x0000000000485000-memory.dmp

                                        memory/2444-10356-0x0000000000400000-0x0000000000485000-memory.dmp

                                        memory/2444-10365-0x0000000000400000-0x0000000000485000-memory.dmp

                                        memory/3428-13-0x0000000000400000-0x0000000000485000-memory.dmp

                                        memory/3428-5-0x0000000000400000-0x0000000000485000-memory.dmp

                                        memory/3428-6-0x0000000000400000-0x0000000000485000-memory.dmp

                                        memory/3428-2-0x0000000000400000-0x0000000000485000-memory.dmp

                                        memory/3428-3-0x0000000000400000-0x0000000000485000-memory.dmp

                                        memory/4268-0-0x00000000007C0000-0x00000000007C3000-memory.dmp

                                        memory/4268-4-0x00000000007C0000-0x00000000007C3000-memory.dmp

                                        memory/4268-1-0x00000000007C0000-0x00000000007C3000-memory.dmp