Analysis

  • max time kernel
    600s
  • max time network
    596s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240412-en
  • resource tags

    arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    24/04/2024, 21:35

General

  • Target
    http://nezur.io
  • Sample240424-1fbcmsaa4s
Score
7/10

Malware Config

Signatures

  • Themida packer 2 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 55 IoCs
  • Suspicious use of SendNotifyMessage 16 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument http://nezur.io
    1⤵
    • 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:416
    • 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=110.0.5481.104 --initial-client-data=0x100,0x104,0x108,0xe0,0x10c,0x7ffe6720ab58,0x7ffe6720ab68,0x7ffe6720ab78
      2⤵
        PID:2524
      • C:\Program Files\Google\Chrome\Application\chrome.exe
        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1648 --field-trial-handle=1824,i,11550309916426697937,14526985269851471761,131072 /prefetch:2
        2⤵
          PID:436
        • 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 --mojo-platform-channel-handle=2088 --field-trial-handle=1824,i,11550309916426697937,14526985269851471761,131072 /prefetch:8
          2⤵
            PID:3416
          • 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 --mojo-platform-channel-handle=2168 --field-trial-handle=1824,i,11550309916426697937,14526985269851471761,131072 /prefetch:8
            2⤵
              PID:1720
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --enable-chrome-cart --first-renderer-process --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=2868 --field-trial-handle=1824,i,11550309916426697937,14526985269851471761,131072 /prefetch:1
              2⤵
                PID:4328
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --enable-chrome-cart --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=2992 --field-trial-handle=1824,i,11550309916426697937,14526985269851471761,131072 /prefetch:1
                2⤵
                  PID:2088
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --enable-chrome-cart --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --mojo-platform-channel-handle=3908 --field-trial-handle=1824,i,11550309916426697937,14526985269851471761,131072 /prefetch:1
                  2⤵
                    PID:4660
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=audio.mojom.AudioService --lang=en-US --service-sandbox-type=audio --mojo-platform-channel-handle=3832 --field-trial-handle=1824,i,11550309916426697937,14526985269851471761,131072 /prefetch:8
                    2⤵
                      PID:2576
                    • 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 --mojo-platform-channel-handle=5044 --field-trial-handle=1824,i,11550309916426697937,14526985269851471761,131072 /prefetch:8
                      2⤵
                        PID:1460
                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4488 --field-trial-handle=1824,i,11550309916426697937,14526985269851471761,131072 /prefetch:8
                        2⤵
                          PID:2076
                        • 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 --mojo-platform-channel-handle=4828 --field-trial-handle=1824,i,11550309916426697937,14526985269851471761,131072 /prefetch:8
                          2⤵
                            PID:4900
                          • C:\Program Files\Google\Chrome\Application\chrome.exe
                            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --enable-chrome-cart --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=12 --mojo-platform-channel-handle=2536 --field-trial-handle=1824,i,11550309916426697937,14526985269851471761,131072 /prefetch:1
                            2⤵
                              PID:796
                            • C:\Program Files\Google\Chrome\Application\chrome.exe
                              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --disable-gpu-sandbox --use-gl=disabled --gpu-vendor-id=4318 --gpu-device-id=140 --gpu-sub-system-id=0 --gpu-revision=0 --gpu-driver-version=10.0.22000.1 --gpu-preferences=UAAAAAAAAADoAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAACQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2220 --field-trial-handle=1824,i,11550309916426697937,14526985269851471761,131072 /prefetch:2
                              2⤵
                                PID:808
                              • 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 --mojo-platform-channel-handle=5796 --field-trial-handle=1824,i,11550309916426697937,14526985269851471761,131072 /prefetch:8
                                2⤵
                                  PID:2888
                              • C:\Program Files\Google\Chrome\Application\110.0.5481.104\elevation_service.exe
                                "C:\Program Files\Google\Chrome\Application\110.0.5481.104\elevation_service.exe"
                                1⤵
                                  PID:2504
                                • C:\Windows\System32\rundll32.exe
                                  C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
                                  1⤵
                                    PID:3084
                                  • C:\Windows\System32\DataExchangeHost.exe
                                    C:\Windows\System32\DataExchangeHost.exe -Embedding
                                    1⤵
                                      PID:1108
                                    • C:\Users\Admin\Desktop\hack\Nezur.exe
                                      "C:\Users\Admin\Desktop\hack\Nezur.exe"
                                      1⤵
                                        PID:1488
                                      • C:\Users\Admin\Desktop\New folder\Nezur.exe
                                        "C:\Users\Admin\Desktop\New folder\Nezur.exe"
                                        1⤵
                                          PID:424
                                        • C:\Users\Admin\Desktop\New folder\Nezur.exe
                                          "C:\Users\Admin\Desktop\New folder\Nezur.exe"
                                          1⤵
                                            PID:3260

                                          Network

                                                MITRE ATT&CK Enterprise v15

                                                Replay Monitor

                                                Loading Replay Monitor...

                                                Downloads

                                                the-real-index

                                                • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Code Cache\js\index-dir\the-real-index
                                                • Size 3KB
                                                • SHA256 8c9a2f58264ac7623eec2ecd37574d1d939b64aacd0defe495f77fb46c85b18f
                                                • MD5 SHA1 SHA512

                                                Network Persistent State

                                                • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\Network Persistent State
                                                • Size 2KB
                                                • SHA256 088c04f6966829003969dfdbbddf532c92975085be963026ff188adc75a5234c
                                                • MD5 SHA1 SHA512

                                                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 857B
                                                • SHA256 c4e9574d82eaafe9c21fcb0465da230d581f815cae25178c02414cf00dc72fd8
                                                • MD5 SHA1 SHA512

                                                Preferences

                                                • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                                • Size 6KB
                                                • SHA256 0204b535c547063a903604c611e1061ede56a6f33345c8b330fcbfdc11b860a4
                                                • MD5 SHA1 SHA512 SSDEEP

                                                Preferences

                                                • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                                • Size 7KB
                                                • SHA256 9824a069d3918306b8c2fbeec34e978c2cf691270742b53b1edcf2394d26f265
                                                • MD5 SHA1 SHA512 SSDEEP

                                                Preferences

                                                • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                                • Size 7KB
                                                • SHA256 311dab8616bc035d012304f4c1b862a7bc7a3650a745f6c27fa281631c3d3492
                                                • MD5 SHA1 SHA512 SSDEEP

                                                Local State

                                                • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                                • Size 127KB
                                                • SHA256 2f83ebee19c8d7387e2688364ae831f23e66ae1a94f1ba06d09535a787c512cd
                                                • MD5 SHA1 SHA512 SSDEEP

                                                Local State

                                                • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                                • Size 127KB
                                                • SHA256 8b0c3621c09b62517c8cebe0cdbc420c14697fdab05ba375d674adf874fb2eaf
                                                • MD5 SHA1 SHA512 SSDEEP

                                                Local State

                                                • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                                • Size 127KB
                                                • SHA256 aa92c6902bde2d702ebe3e18b91161f1807971f49edfb778f10bb416850f5537
                                                • MD5 SHA1 SHA512 SSDEEP

                                                776d4bfa-95d9-4729-b711-424f6e42fc4e.tmp

                                                • Path C:\Users\Admin\Downloads\776d4bfa-95d9-4729-b711-424f6e42fc4e.tmp
                                                • Size 512KB
                                                • SHA256 c931f33dbf5b99b566b892d7b77f3c950932b5ae25a251284829b6ed1431976a
                                                • MD5 SHA1 SHA512 SSDEEP

                                                memory/424-339-0x00007FF69A420000-0x00007FF69B0FE000-memory.dmp

                                                memory/1488-312-0x00007FF7023D0000-0x00007FF7030AE000-memory.dmp