Resubmissions

18/03/2024, 13:35

240318-qvwa9ahh8410

18/03/2024, 13:32

240318-qs3mjsae5v10

Analysis

  • max time kernel
    95s
  • max time network
    101s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18/03/2024, 13:32

General

  • Target
    https://github.com/Hacker2425/Ransomware-Builder
  • Sample240318-qs3mjsae5v
Score
10/10

Malware Config

Signatures

  • Chaos

    Ransomware family first seen in June 2021.

  • Chaos Ransomware 1 IoCs
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 32 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 34 IoCs
  • Suspicious use of SendNotifyMessage 24 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://github.com/Hacker2425/Ransomware-Builder
    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:1812
    • 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,0x100,0x104,0xd8,0x108,0x7ffcb21046f8,0x7ffcb2104708,0x7ffcb2104718
      2⤵
        PID:3156
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2164,8890396605721382679,14781374561327370860,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2212 /prefetch:2
        2⤵
          PID:1996
        • 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=2164,8890396605721382679,14781374561327370860,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2272 /prefetch:3
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:4408
        • 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=2164,8890396605721382679,14781374561327370860,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2800 /prefetch:8
          2⤵
            PID:4000
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2164,8890396605721382679,14781374561327370860,131072 --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=3412 /prefetch:1
            2⤵
              PID:1864
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2164,8890396605721382679,14781374561327370860,131072 --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=3424 /prefetch:1
              2⤵
                PID:4956
              • 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=2164,8890396605721382679,14781374561327370860,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5464 /prefetch:8
                2⤵
                  PID:3964
                • 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=2164,8890396605721382679,14781374561327370860,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5464 /prefetch:8
                  2⤵
                  • Suspicious behavior: EnumeratesProcesses
                  PID:4876
                • 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=2164,8890396605721382679,14781374561327370860,131072 --lang=en-US --service-sandbox-type=collections --mojo-platform-channel-handle=5116 /prefetch:8
                  2⤵
                    PID:3024
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2164,8890396605721382679,14781374561327370860,131072 --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=5628 /prefetch:1
                    2⤵
                      PID:1992
                    • 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=2164,8890396605721382679,14781374561327370860,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5020 /prefetch:8
                      2⤵
                      • Suspicious behavior: EnumeratesProcesses
                      PID:812
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2164,8890396605721382679,14781374561327370860,131072 --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=1664 /prefetch:1
                      2⤵
                        PID:5172
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2164,8890396605721382679,14781374561327370860,131072 --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=5788 /prefetch:1
                        2⤵
                          PID:5180
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2164,8890396605721382679,14781374561327370860,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=14 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5560 /prefetch:1
                          2⤵
                            PID:5380
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2164,8890396605721382679,14781374561327370860,131072 --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=15 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=6368 /prefetch:1
                            2⤵
                              PID:5388
                          • C:\Windows\System32\CompPkgSrv.exe
                            C:\Windows\System32\CompPkgSrv.exe -Embedding
                            1⤵
                              PID:1556
                            • C:\Windows\System32\CompPkgSrv.exe
                              C:\Windows\System32\CompPkgSrv.exe -Embedding
                              1⤵
                                PID:4616
                              • C:\Windows\System32\rundll32.exe
                                C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
                                1⤵
                                  PID:5140
                                • C:\Users\Admin\AppData\Local\Temp\Temp1_Ransomware-Builder-main.zip\Ransomware-Builder-main\Chaos Ransomware Builder v4.exe
                                  "C:\Users\Admin\AppData\Local\Temp\Temp1_Ransomware-Builder-main.zip\Ransomware-Builder-main\Chaos Ransomware Builder v4.exe"
                                  1⤵
                                  • Suspicious behavior: EnumeratesProcesses
                                  • Suspicious use of AdjustPrivilegeToken
                                  PID:5616

                                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 b54b41e7ce5600bc653aa7c88abb666976872b2d5e2d657bfc1147a0b49e9d74
                                      • MD5 SHA1 SHA512

                                      settings.dat

                                      • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                      • Size 152B
                                      • SHA256 01946a2d65e59b66ebc256470ff4861f32edee90a44e31bf67529add95cafef4
                                      • 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 1KB
                                      • SHA256 7e9de3141c1c1fbcf64361a91dd268caece59aa2ed8ef03b1362c781136cd87d
                                      • MD5 SHA1 SHA512

                                      Network Persistent State

                                      • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network Persistent State
                                      • Size 111B
                                      • SHA256 aa10bf07b0d265bed28f2a475f3564d8ddb5e4d4ffee0ab6f3a0cc564907b631
                                      • MD5 SHA1 SHA512

                                      Network Persistent State

                                      • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network Persistent State
                                      • Size 573B
                                      • SHA256 0b4ad4ab83c5cd2828bd8c66c76d18b77b8b6157409a6cbf1704bd793d3b4e29
                                      • MD5 SHA1 SHA512

                                      Preferences

                                      • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
                                      • Size 6KB
                                      • SHA256 3588a330fc28b60fc6c053f07a2ae55fc2644945fe953694402ee714e408bbc7
                                      • MD5 SHA1 SHA512 SSDEEP

                                      Preferences

                                      • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
                                      • Size 6KB
                                      • SHA256 5e467ac24d9c2efbd3d92f62fb5b4ad9b5f7841ac8834d492a62fa6793cb7d47
                                      • MD5 SHA1 SHA512 SSDEEP

                                      Preferences

                                      • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
                                      • Size 6KB
                                      • SHA256 5b7745e053414c827388c52083867d854f0916f6d050b2d98820c8d47206a9d0
                                      • MD5 SHA1 SHA512 SSDEEP

                                      TransportSecurity

                                      • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\TransportSecurity
                                      • Size 1KB
                                      • SHA256 e02920dcc84fd6ca4c368953c213880f1074580deaf1602a15e2feb8b5d79dd2
                                      • MD5 SHA1 SHA512

                                      TransportSecurity~RFe57c0a0.TMP

                                      • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\TransportSecurity~RFe57c0a0.TMP
                                      • Size 707B
                                      • SHA256 08083b8be2fc3f5acedde73ef4352257938dce72a0eb4f1867f042314abcdc83
                                      • MD5 SHA1 SHA512

                                      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 11KB
                                      • SHA256 e39039c06d3dfed7ee8d36ba8c4c79f5ac35cd5c97341d18950a31ca95d2ec93
                                      • MD5 SHA1 SHA512 SSDEEP

                                      Local State

                                      • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                      • Size 11KB
                                      • SHA256 741b8d7e0208b33cdc1f0caaeecc16cb0d5be3d09205d380167ac8d06cee790f
                                      • MD5 SHA1 SHA512 SSDEEP

                                      Ransomware-Builder-main.zip

                                      • Path C:\Users\Admin\Downloads\Ransomware-Builder-main.zip
                                      • Size 131KB
                                      • SHA256 4b19ad3ef396d68d4ad5457be25ca636d22e1bd848d3e4a5211b71da58f016b6
                                      • MD5 SHA1 SHA512 SSDEEP

                                      memory/5616-241-0x00007FFC9DA50000-0x00007FFC9E511000-memory.dmp

                                      memory/5616-212-0x000000001BCA0000-0x000000001BCB0000-memory.dmp

                                      memory/5616-213-0x000000001BCA0000-0x000000001BCB0000-memory.dmp

                                      memory/5616-211-0x000000001BCA0000-0x000000001BCB0000-memory.dmp

                                      memory/5616-204-0x0000000000F80000-0x000000000100E000-memory.dmp

                                      memory/5616-242-0x000000001BCA0000-0x000000001BCB0000-memory.dmp

                                      memory/5616-245-0x000000001BCA0000-0x000000001BCB0000-memory.dmp

                                      memory/5616-246-0x000000001BCA0000-0x000000001BCB0000-memory.dmp

                                      memory/5616-210-0x00007FFC9DA50000-0x00007FFC9E511000-memory.dmp

                                      memory/5616-278-0x000000001BCA0000-0x000000001BCB0000-memory.dmp

                                      memory/5616-280-0x00007FFC9DA50000-0x00007FFC9E511000-memory.dmp