Resubmissions

26/06/2024, 04:15

240626-evbfasxcjn8

26/06/2024, 04:04

240626-em282stflf10

26/06/2024, 04:01

240626-elpassteng7

Analysis

  • max time kernel
    90s
  • max time network
    102s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240419-en
  • resource tags

    arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    26/06/2024, 04:01

Errors

Reason
Machine shutdown

General

  • Target
    IMG_3065.jpg
  • Size 402KB
  • Sample240626-elpassteng
  • SHA256 6416b6784c92cd55a530ed870554f165f1035ef3ce7d820de9d0fa6b13ddb4a6
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 7 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 IoCs
  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Drops file in Windows directory 4 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 data under HKEY_USERS 2 IoCs
  • NTFS ADS 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 34 IoCs
  • Suspicious use of SendNotifyMessage 12 IoCs
  • Suspicious use of SetWindowsHookEx 60 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\IMG_3065.jpg
    1⤵
      PID:2668
    • C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe"
      1⤵
      • Drops file in Windows directory
      • Enumerates system info in registry
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:4960
      • 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:4 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=123.0.6312.106 --initial-client-data=0xfc,0x100,0x104,0xd8,0x108,0x7fff2328cc40,0x7fff2328cc4c,0x7fff2328cc58
        2⤵
          PID:3448
        • C:\Program Files\Google\Chrome\Application\chrome.exe
          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --no-appcompat-clear --gpu-preferences=WAAAAAAAAADgAAAMAAAAAAAAAAAAAAAAAABgAAEAAAA4AAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --field-trial-handle=1828,i,17698489768980254194,960148840263609788,262144 --variations-seed-version=20240418-180204.077000 --mojo-platform-channel-handle=1820 /prefetch:2
          2⤵
            PID:3032
          • C:\Program Files\Google\Chrome\Application\chrome.exe
            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --no-appcompat-clear --field-trial-handle=2132,i,17698489768980254194,960148840263609788,262144 --variations-seed-version=20240418-180204.077000 --mojo-platform-channel-handle=2124 /prefetch:3
            2⤵
              PID:2072
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=service --no-appcompat-clear --field-trial-handle=2204,i,17698489768980254194,960148840263609788,262144 --variations-seed-version=20240418-180204.077000 --mojo-platform-channel-handle=2216 /prefetch:8
              2⤵
                PID:2272
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --enable-chrome-cart --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --field-trial-handle=3128,i,17698489768980254194,960148840263609788,262144 --variations-seed-version=20240418-180204.077000 --mojo-platform-channel-handle=3288 /prefetch:1
                2⤵
                  PID:5080
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --enable-chrome-cart --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --field-trial-handle=3152,i,17698489768980254194,960148840263609788,262144 --variations-seed-version=20240418-180204.077000 --mojo-platform-channel-handle=3336 /prefetch:1
                  2⤵
                    PID:808
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --enable-chrome-cart --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --field-trial-handle=4500,i,17698489768980254194,960148840263609788,262144 --variations-seed-version=20240418-180204.077000 --mojo-platform-channel-handle=4496 /prefetch:1
                    2⤵
                      PID:1684
                    • 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 --lang=en-US --service-sandbox-type=service --no-appcompat-clear --field-trial-handle=4576,i,17698489768980254194,960148840263609788,262144 --variations-seed-version=20240418-180204.077000 --mojo-platform-channel-handle=4580 /prefetch:8
                      2⤵
                        PID:3468
                      • 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 --lang=en-US --service-sandbox-type=service --no-appcompat-clear --field-trial-handle=4512,i,17698489768980254194,960148840263609788,262144 --variations-seed-version=20240418-180204.077000 --mojo-platform-channel-handle=4716 /prefetch:8
                        2⤵
                          PID:1888
                        • C:\Program Files\Google\Chrome\Application\chrome.exe
                          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.ProcessorMetrics --lang=en-US --service-sandbox-type=none --no-appcompat-clear --field-trial-handle=4636,i,17698489768980254194,960148840263609788,262144 --variations-seed-version=20240418-180204.077000 --mojo-platform-channel-handle=4760 /prefetch:8
                          2⤵
                            PID:1200
                          • 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 --lang=en-US --service-sandbox-type=service --no-appcompat-clear --field-trial-handle=4612,i,17698489768980254194,960148840263609788,262144 --variations-seed-version=20240418-180204.077000 --mojo-platform-channel-handle=4608 /prefetch:8
                            2⤵
                              PID:1384
                            • C:\Program Files\Google\Chrome\Application\123.0.6312.106\Installer\setup.exe
                              "C:\Program Files\Google\Chrome\Application\123.0.6312.106\Installer\setup.exe" --reenable-autoupdates --system-level
                              2⤵
                              • Drops file in Windows directory
                              PID:2580
                              • C:\Program Files\Google\Chrome\Application\123.0.6312.106\Installer\setup.exe
                                "C:\Program Files\Google\Chrome\Application\123.0.6312.106\Installer\setup.exe" --type=crashpad-handler /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Windows\SystemTemp\Crashpad --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=123.0.6312.106 --initial-client-data=0x244,0x248,0x24c,0x220,0x250,0x7ff7bed64698,0x7ff7bed646a4,0x7ff7bed646b0
                                3⤵
                                • Drops file in Windows directory
                                PID:456
                            • C:\Program Files\Google\Chrome\Application\chrome.exe
                              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --enable-chrome-cart --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=12 --field-trial-handle=4720,i,17698489768980254194,960148840263609788,262144 --variations-seed-version=20240418-180204.077000 --mojo-platform-channel-handle=5016 /prefetch:1
                              2⤵
                                PID:4672
                              • C:\Program Files\Google\Chrome\Application\chrome.exe
                                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --enable-chrome-cart --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=13 --field-trial-handle=3344,i,17698489768980254194,960148840263609788,262144 --variations-seed-version=20240418-180204.077000 --mojo-platform-channel-handle=3396 /prefetch:1
                                2⤵
                                  PID:4216
                                • C:\Program Files\Google\Chrome\Application\chrome.exe
                                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilReadIcon --lang=en-US --service-sandbox-type=icon_reader --no-appcompat-clear --field-trial-handle=5096,i,17698489768980254194,960148840263609788,262144 --variations-seed-version=20240418-180204.077000 --mojo-platform-channel-handle=5136 /prefetch:8
                                  2⤵
                                    PID:2928
                                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilReadIcon --lang=en-US --service-sandbox-type=icon_reader --no-appcompat-clear --field-trial-handle=5132,i,17698489768980254194,960148840263609788,262144 --variations-seed-version=20240418-180204.077000 --mojo-platform-channel-handle=5284 /prefetch:8
                                    2⤵
                                      PID:4116
                                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=quarantine.mojom.Quarantine --lang=en-US --service-sandbox-type=none --no-appcompat-clear --field-trial-handle=3820,i,17698489768980254194,960148840263609788,262144 --variations-seed-version=20240418-180204.077000 --mojo-platform-channel-handle=5144 /prefetch:8
                                      2⤵
                                      • NTFS ADS
                                      PID:1340
                                    • C:\Users\Admin\Downloads\MEMZ.exe
                                      "C:\Users\Admin\Downloads\MEMZ.exe"
                                      2⤵
                                      • Executes dropped EXE
                                      PID:2140
                                      • C:\Users\Admin\Downloads\MEMZ.exe
                                        "C:\Users\Admin\Downloads\MEMZ.exe" /watchdog
                                        3⤵
                                        • Executes dropped EXE
                                        PID:1712
                                      • C:\Users\Admin\Downloads\MEMZ.exe
                                        "C:\Users\Admin\Downloads\MEMZ.exe" /watchdog
                                        3⤵
                                        • Executes dropped EXE
                                        • Suspicious behavior: EnumeratesProcesses
                                        • Suspicious use of SetWindowsHookEx
                                        PID:764
                                      • C:\Users\Admin\Downloads\MEMZ.exe
                                        "C:\Users\Admin\Downloads\MEMZ.exe" /watchdog
                                        3⤵
                                        • Executes dropped EXE
                                        • Suspicious use of SetWindowsHookEx
                                        PID:2596
                                      • C:\Users\Admin\Downloads\MEMZ.exe
                                        "C:\Users\Admin\Downloads\MEMZ.exe" /watchdog
                                        3⤵
                                        • Executes dropped EXE
                                        • Suspicious use of SetWindowsHookEx
                                        PID:904
                                      • C:\Users\Admin\Downloads\MEMZ.exe
                                        "C:\Users\Admin\Downloads\MEMZ.exe" /watchdog
                                        3⤵
                                        • Executes dropped EXE
                                        PID:1056
                                      • C:\Users\Admin\Downloads\MEMZ.exe
                                        "C:\Users\Admin\Downloads\MEMZ.exe" /main
                                        3⤵
                                        • Executes dropped EXE
                                        • Writes to the Master Boot Record (MBR)
                                        PID:452
                                        • C:\Windows\SysWOW64\notepad.exe
                                          "C:\Windows\System32\notepad.exe" \note.txt
                                          4⤵
                                            PID:3020
                                    • C:\Program Files\Google\Chrome\Application\123.0.6312.106\elevation_service.exe
                                      "C:\Program Files\Google\Chrome\Application\123.0.6312.106\elevation_service.exe"
                                      1⤵
                                        PID:4428
                                      • C:\Windows\system32\svchost.exe
                                        C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s NgcSvc
                                        1⤵
                                          PID:3436

                                        Network

                                              MITRE ATT&CK Enterprise v15

                                              Replay Monitor

                                              Loading Replay Monitor...

                                              Downloads

                                              BrowsingTopicsState

                                              • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\BrowsingTopicsState
                                              • Size 649B
                                              • SHA256 6513b5f74b0959dc4b3cf33b89e7e393c78e7c3ac40c6909e87d16a5b3dceed2
                                              • MD5 SHA1 SHA512

                                              the-real-index

                                              • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Code Cache\js\index-dir\the-real-index
                                              • Size 2KB
                                              • SHA256 47fbf7c4504a6c25c717f7d72d3ff574711bb435b37488bc9a106cd87acf7197
                                              • MD5 SHA1 SHA512

                                              Network Persistent State

                                              • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\Network Persistent State
                                              • Size 4KB
                                              • SHA256 0610dba48e0f13d6a8b1901dff1b9c0d756990b1beb08b936d1811663a5614ac
                                              • MD5 SHA1 SHA512 SSDEEP

                                              SCT Auditing Pending Reports

                                              • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\SCT Auditing Pending Reports
                                              • Size 2B
                                              • SHA256 4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945
                                              • MD5 SHA1 SHA512

                                              TransportSecurity

                                              • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\TransportSecurity
                                              • Size 354B
                                              • SHA256 df265923bff0b21bb440fc2c1cbfe9a49c0bf468121cd466fa21898858482a7e
                                              • MD5 SHA1 SHA512

                                              TransportSecurity

                                              • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\TransportSecurity
                                              • Size 1KB
                                              • SHA256 ab572fea45eabd25a0adf222bc00b7f39f1ced852ca6105e7731c2d8def0bb8a
                                              • MD5 SHA1 SHA512

                                              TransportSecurity

                                              • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\TransportSecurity
                                              • Size 1KB
                                              • SHA256 86ae544f4fef04648553bddeef94225d7140c1497685f15d8c9707491f8ccda2
                                              • MD5 SHA1 SHA512

                                              Preferences

                                              • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                              • Size 10KB
                                              • SHA256 e3f976934e5b17d9e5b64983d39e632ea798670a2ea649f5af5cc5c7c0437436
                                              • MD5 SHA1 SHA512 SSDEEP

                                              Preferences

                                              • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                              • Size 9KB
                                              • SHA256 7663c85c4c465fbcd452bcb8067aa5cb8a39885cd94cf50720456e24e1273fdf
                                              • MD5 SHA1 SHA512 SSDEEP

                                              Preferences

                                              • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                              • Size 10KB
                                              • SHA256 163c9ab93526da171332581b9de944e457c5910b7d9c647091e00b846163263c
                                              • MD5 SHA1 SHA512 SSDEEP

                                              Preferences

                                              • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                              • Size 10KB
                                              • SHA256 6233430b6315b8208af7e24797b6bc466afe339882770f0a556e02012a8b82cf
                                              • MD5 SHA1 SHA512 SSDEEP

                                              Preferences

                                              • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                              • Size 10KB
                                              • SHA256 2cb3cdfab15bea132a14a2a9555f034dbf88463cb49c385531693a205c88a1f8
                                              • MD5 SHA1 SHA512 SSDEEP

                                              Secure Preferences

                                              • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Secure Preferences
                                              • Size 15KB
                                              • SHA256 06526a76308f2446ddc25e7dd65a3ed319a73d36834bd7fce17446e1e880f31e
                                              • MD5 SHA1 SHA512 SSDEEP

                                              fc44cb15-4242-41fe-9ea0-3dedd0047363.tmp

                                              • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\fc44cb15-4242-41fe-9ea0-3dedd0047363.tmp
                                              • Size 10KB
                                              • SHA256 a973686194c327b56893d00046ea62d028779bd6a0f0dd971d4c3ecd86fc96c6
                                              • MD5 SHA1 SHA512 SSDEEP

                                              Local State

                                              • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                              • Size 169KB
                                              • SHA256 875d437fb7e01dd75d034d0a055ce01d6462d2d258e58850f262320ac23b26c0
                                              • MD5 SHA1 SHA512 SSDEEP

                                              Local State

                                              • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                              • Size 169KB
                                              • SHA256 1d6bda29e1090587b398067aae70247324166a380b32c1f10c23239428a37dbd
                                              • MD5 SHA1 SHA512 SSDEEP

                                              MEMZ.exe

                                              • Path C:\Users\Admin\Downloads\MEMZ.exe
                                              • Size 16KB
                                              • SHA256 3872c12d31fc9825e8661ac01ecee2572460677afbc7093f920a8436a42e28ff
                                              • MD5 SHA1 SHA512 SSDEEP

                                              MEMZ.exe:Zone.Identifier

                                              • Path C:\Users\Admin\Downloads\MEMZ.exe:Zone.Identifier
                                              • Size 170B
                                              • SHA256 e10ac4ed219df684b0d33d8e5a69e1d6d94dd7e98431b7af73d678effd1f628e
                                              • MD5 SHA1 SHA512

                                              note.txt

                                              • Path C:\note.txt
                                              • Size 218B
                                              • SHA256 8e9f20f6864c66576536c0b866c6ffdcf11397db67fe120e972e244c3c022270
                                              • MD5 SHA1 SHA512