Analysis

  • max time kernel
    149s
  • max time network
    150s
  • 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, 11:17

General

  • Target
    VirusShare_331767c8a95117a9e51cc47c95afd3a9.exe
  • Size 332KB
  • Sample240610-nd22cshc72
  • SHA256 ceb220b71dabfe1c875dd8a0620226c05dd45adef7e3812c11cd3759d7058070
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Path
  • C:\Program Files\7-Zip\Lang\Recovery+mkbjb.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://ytrest84y5i456hghadefdsd.pontogrot.com/6C2362752E7630BB 2. http://prest54538hnksjn4kjfwdbhwere.hotchunman.com/6C2362752E7630BB 3. http://5rport45vcdef345adfkksawe.bematvocal.at/6C2362752E7630BB 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/6C2362752E7630BB 4. Follow the instructions on the site. ---------------- IMPORTANT INFORMATION------------------------ *-*-* Your personal pages: http://ytrest84y5i456hghadefdsd.pontogrot.com/6C2362752E7630BB http://prest54538hnksjn4kjfwdbhwere.hotchunman.com/6C2362752E7630BB http://5rport45vcdef345adfkksawe.bematvocal.at/6C2362752E7630BB *-*-* Your personal page Tor-Browser: fwgrhsao3aoml7ej.ONION/6C2362752E7630BB *-*-* Your personal identification ID: 6C2362752E7630BB
URLs
  • http://ytrest84y5i456hghadefdsd.pontogrot.com/6C2362752E7630BB

  • http://prest54538hnksjn4kjfwdbhwere.hotchunman.com/6C2362752E7630BB

  • http://5rport45vcdef345adfkksawe.bematvocal.at/6C2362752E7630BB

  • http://fwgrhsao3aoml7ej.onion/6C2362752E7630BB

  • http://fwgrhsao3aoml7ej.ONION/6C2362752E7630BB

Signatures

  • Deletes shadow copies 3 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Renames multiple (885) 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 1 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
  • 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 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_331767c8a95117a9e51cc47c95afd3a9.exe
    "C:\Users\Admin\AppData\Local\Temp\VirusShare_331767c8a95117a9e51cc47c95afd3a9.exe"
    1⤵
    • Checks computer location settings
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2176
    • C:\Windows\eaqsvmxpjcgj.exe
      C:\Windows\eaqsvmxpjcgj.exe
      2⤵
      • 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:2604
      • C:\Windows\System32\wbem\WMIC.exe
        "C:\Windows\System32\wbem\WMIC.exe" shadowcopy delete /nointeractive
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:4948
      • C:\Windows\SysWOW64\NOTEPAD.EXE
        "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\RECOVERY.TXT
        3⤵
        • Opens file in notepad (likely ransom note)
        PID:2764
      • 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
        3⤵
        • Enumerates system info in registry
        • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        • Suspicious use of WriteProcessMemory
        PID:2968
        • 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,0x100,0x104,0xd8,0x108,0x7ffb166646f8,0x7ffb16664708,0x7ffb16664718
          4⤵
            PID:2176
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2112,7526063028456190658,17516899565589424777,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2140 /prefetch:2
            4⤵
              PID:300
            • 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=2112,7526063028456190658,17516899565589424777,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2232 /prefetch:3
              4⤵
                PID:2044
              • 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=2112,7526063028456190658,17516899565589424777,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2836 /prefetch:8
                4⤵
                  PID:3256
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,7526063028456190658,17516899565589424777,131072 --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=3248 /prefetch:1
                  4⤵
                    PID:3216
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,7526063028456190658,17516899565589424777,131072 --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=3268 /prefetch:1
                    4⤵
                      PID:3772
                    • 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=2112,7526063028456190658,17516899565589424777,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5168 /prefetch:8
                      4⤵
                        PID:2396
                      • 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=2112,7526063028456190658,17516899565589424777,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5168 /prefetch:8
                        4⤵
                          PID:4048
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,7526063028456190658,17516899565589424777,131072 --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=5164 /prefetch:1
                          4⤵
                            PID:3344
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,7526063028456190658,17516899565589424777,131072 --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=4728 /prefetch:1
                            4⤵
                              PID:2208
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,7526063028456190658,17516899565589424777,131072 --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=4052 /prefetch:1
                              4⤵
                                PID:4580
                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,7526063028456190658,17516899565589424777,131072 --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=5556 /prefetch:1
                                4⤵
                                  PID:3016
                              • C:\Windows\SysWOW64\cmd.exe
                                "C:\Windows\system32\cmd.exe" /c DEL C:\Windows\EAQSVM~1.EXE
                                3⤵
                                  PID:520
                              • C:\Windows\SysWOW64\cmd.exe
                                "C:\Windows\system32\cmd.exe" /c DEL C:\Users\Admin\AppData\Local\Temp\VIRUSS~1.EXE
                                2⤵
                                  PID:1912
                              • C:\Windows\system32\vssvc.exe
                                C:\Windows\system32\vssvc.exe
                                1⤵
                                • Suspicious use of AdjustPrivilegeToken
                                PID:640
                              • C:\Windows\System32\CompPkgSrv.exe
                                C:\Windows\System32\CompPkgSrv.exe -Embedding
                                1⤵
                                  PID:3984
                                • C:\Windows\System32\CompPkgSrv.exe
                                  C:\Windows\System32\CompPkgSrv.exe -Embedding
                                  1⤵
                                    PID:4844

                                  Network

                                        MITRE ATT&CK Enterprise v15

                                        Replay Monitor

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                                        Downloads

                                        Recovery+mkbjb.html

                                        • Path C:\Program Files\7-Zip\Lang\Recovery+mkbjb.html
                                        • Size 9KB
                                        • SHA256 1f36d55c1acdaf7d44e1759a88ff6bd3872b855451d9a9e15d6cd74b423f1e48
                                        • MD5 SHA1 SHA512 SSDEEP

                                        Recovery+mkbjb.png

                                        • Path C:\Program Files\7-Zip\Lang\Recovery+mkbjb.png
                                        • Size 68KB
                                        • SHA256 1589fa102bfdcb28d125cb41fd8639671176871b818575d7ca7598a21037416e
                                        • MD5 SHA1 SHA512 SSDEEP

                                        Recovery+mkbjb.txt

                                        • Path C:\Program Files\7-Zip\Lang\Recovery+mkbjb.txt
                                        • Size 2KB
                                        • SHA256 e25233e6c6a086a07559f442adb3ccb428a7c84c170d64c73ddde6bd0e7db176
                                        • MD5 SHA1 SHA512

                                        THIRDPARTYLICENSEREADME-JAVAFX.txt

                                        • Path C:\Program Files\Java\jre-1.8\THIRDPARTYLICENSEREADME-JAVAFX.txt
                                        • Size 560B
                                        • SHA256 981309aa27e39587c1cc0451e89b9f7d4cb181af2aa5e8dd1b56565ca14b9219
                                        • MD5 SHA1 SHA512

                                        THIRDPARTYLICENSEREADME.txt

                                        • Path C:\Program Files\Java\jre-1.8\THIRDPARTYLICENSEREADME.txt
                                        • Size 560B
                                        • SHA256 e46ff003052d71cf49ba0f5d6a9efa8f1aa014b74b477b6f8a81e72b61c52b4d
                                        • MD5 SHA1 SHA512

                                        ClientSub2019_eula.txt

                                        • Path C:\Program Files\Microsoft Office\root\Office16\1033\ClientSub2019_eula.txt
                                        • Size 416B
                                        • SHA256 7426f06b943b05297fca62b047119dd5e29e00aeb8d4ab9490645f70916a0b7d
                                        • MD5 SHA1 SHA512

                                        settings.dat

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                        • Size 152B
                                        • SHA256 b35d6906050d90a81d23646f86c20a8f5d42f058ffc6436fb0a2b8bd71ee1262
                                        • MD5 SHA1 SHA512

                                        settings.dat

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                        • Size 152B
                                        • SHA256 284a24b5b40860240db00ef3ae6a33c9fa8349ab5490a634e27b2c6e9a191c64
                                        • MD5 SHA1 SHA512

                                        31a1d51d-fa83-4f18-8978-11b3783f0f6a.tmp

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\31a1d51d-fa83-4f18-8978-11b3783f0f6a.tmp
                                        • Size 6KB
                                        • SHA256 78cf710c6d5f19e1bd0fe8c649150ac52abd1ef2b4994b9ac069e14383029875
                                        • MD5 SHA1 SHA512 SSDEEP

                                        Preferences

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
                                        • Size 5KB
                                        • SHA256 9557b822cc10023968791d4043b3c5af2c194f80a24746fa25f58a1c4da7d1ed
                                        • MD5 SHA1 SHA512 SSDEEP

                                        CURRENT

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\data_reduction_proxy_leveldb\CURRENT
                                        • Size 16B
                                        • SHA256 0861415cada612ea5834d56e2cf1055d3e63979b69eb71d32ae9ae394d8306cd
                                        • MD5 SHA1 SHA512

                                        Local State

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                        • Size 10KB
                                        • SHA256 dfeade22a7abc985a40e3d99db204cdcc730a873a7dd4eb5a8753732730ebace
                                        • MD5 SHA1 SHA512 SSDEEP

                                        AppCache133596380552933791.txt

                                        • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search_cw5n1h2txyewy\LocalState\DeviceSearchCache\AppCache133596380552933791.txt
                                        • Size 47KB
                                        • SHA256 0c98ffbf6e1974eef63b09e9fefe9e2ba8d4dacf21cf0ca8ba08338ac1dd0fd1
                                        • MD5 SHA1 SHA512 SSDEEP

                                        AppCache133596395215789431.txt

                                        • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search_cw5n1h2txyewy\LocalState\DeviceSearchCache\AppCache133596395215789431.txt
                                        • Size 75KB
                                        • SHA256 66f539d377da386ec2de7b0fb3984c2a695758161fc579aa68cafeda06b5723c
                                        • MD5 SHA1 SHA512 SSDEEP

                                        eaqsvmxpjcgj.exe

                                        • Path C:\Windows\eaqsvmxpjcgj.exe
                                        • Size 332KB
                                        • SHA256 ceb220b71dabfe1c875dd8a0620226c05dd45adef7e3812c11cd3759d7058070
                                        • MD5 SHA1 SHA512 SSDEEP

                                        memory/2176-0-0x0000000000400000-0x0000000000496000-memory.dmp

                                        memory/2176-14-0x0000000002120000-0x00000000021A6000-memory.dmp

                                        memory/2176-13-0x0000000000400000-0x0000000000496000-memory.dmp

                                        memory/2176-3-0x0000000002120000-0x00000000021A6000-memory.dmp

                                        memory/2604-10381-0x0000000000400000-0x0000000000496000-memory.dmp

                                        memory/2604-8197-0x0000000000400000-0x0000000000496000-memory.dmp

                                        memory/2604-10427-0x0000000000400000-0x0000000000496000-memory.dmp

                                        memory/2604-4748-0x0000000000400000-0x0000000000496000-memory.dmp

                                        memory/2604-2381-0x0000000000400000-0x0000000000496000-memory.dmp

                                        memory/2604-12-0x0000000001FC0000-0x0000000002046000-memory.dmp

                                        memory/2604-10475-0x0000000000400000-0x0000000000496000-memory.dmp