Analysis

  • max time kernel
    42s
  • max time network
    43s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/07/2024, 01:32

General

  • Target

    https://github.com/System32Booster/MalwareDatabase/blob/main/email-worms/NetSky.zip

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 34 IoCs
  • Suspicious use of SendNotifyMessage 24 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Files\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument https://github.com/System32Booster/MalwareDatabase/blob/main/email-worms/NetSky.zip
    1⤵
    • Enumerates system info in registry
    • Modifies data under HKEY_USERS
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:2456
    • 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=0xf8,0xfc,0x100,0xd4,0x104,0x7ffae4c7cc40,0x7ffae4c7cc4c,0x7ffae4c7cc58
      2⤵
        PID:3992
      • 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=1904,i,9781307071961023877,13116823634423916028,262144 --variations-seed-version=20240708-180128.343000 --mojo-platform-channel-handle=1900 /prefetch:2
        2⤵
          PID:64
        • 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=2144,i,9781307071961023877,13116823634423916028,262144 --variations-seed-version=20240708-180128.343000 --mojo-platform-channel-handle=2176 /prefetch:3
          2⤵
            PID:3124
          • 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=2232,i,9781307071961023877,13116823634423916028,262144 --variations-seed-version=20240708-180128.343000 --mojo-platform-channel-handle=2432 /prefetch:8
            2⤵
              PID:5084
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --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=3108,i,9781307071961023877,13116823634423916028,262144 --variations-seed-version=20240708-180128.343000 --mojo-platform-channel-handle=3152 /prefetch:1
              2⤵
                PID:3184
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --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=3116,i,9781307071961023877,13116823634423916028,262144 --variations-seed-version=20240708-180128.343000 --mojo-platform-channel-handle=3184 /prefetch:1
                2⤵
                  PID:636
                • 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=4356,i,9781307071961023877,13116823634423916028,262144 --variations-seed-version=20240708-180128.343000 --mojo-platform-channel-handle=4512 /prefetch:8
                  2⤵
                    PID:3208
                  • 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=4756,i,9781307071961023877,13116823634423916028,262144 --variations-seed-version=20240708-180128.343000 --mojo-platform-channel-handle=4856 /prefetch:8
                    2⤵
                      PID:4968
                  • 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:2336
                    • C:\Windows\system32\svchost.exe
                      C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s NgcSvc
                      1⤵
                        PID:3612
                      • C:\Windows\System32\rundll32.exe
                        C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
                        1⤵
                          PID:4516
                        • C:\Users\Admin\Desktop\NetSky.exe
                          "C:\Users\Admin\Desktop\NetSky.exe"
                          1⤵
                          • Adds Run key to start application
                          • Drops file in Windows directory
                          PID:2324
                        • C:\Program Files\7-Zip\7zG.exe
                          "C:\Program Files\7-Zip\7zG.exe" x -o"C:\Users\Admin\Downloads\" -an -ai#7zMap9440:74:7zEvent15939
                          1⤵
                          • Suspicious use of AdjustPrivilegeToken
                          • Suspicious use of FindShellTrayWindow
                          PID:2484
                        • C:\Users\Admin\Downloads\NetSky.exe
                          "C:\Users\Admin\Downloads\NetSky.exe"
                          1⤵
                          • Executes dropped EXE
                          PID:2884

                        Network

                              MITRE ATT&CK Enterprise v15

                              Replay Monitor

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                              Downloads

                              • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Code Cache\js\index-dir\the-real-index

                                Filesize

                                2KB

                                MD5

                                08bcb458b0dc99631cdf22a4abf5d52a

                                SHA1

                                f2978af151fb73fb1b505acfcd614efdc9ac22f0

                                SHA256

                                09dcccda550c752457b425e0dae1fb9f8123a8d756552beaba50596a5b496875

                                SHA512

                                f7db765318b3f30ab684ef24d8f682df8cb3ff06b1b7225ba46581a4ef74f5b2026d98ea2e4ac14390cf90c8f257d73df9562771199cfe2953c6f56c59fc4184

                              • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\SCT Auditing Pending Reports

                                Filesize

                                2B

                                MD5

                                d751713988987e9331980363e24189ce

                                SHA1

                                97d170e1550eee4afc0af065b78cda302a97674c

                                SHA256

                                4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945

                                SHA512

                                b25b294cb4deb69ea00a4c3cf3113904801b6015e5956bd019a8570b1fe1d6040e944ef3cdee16d0a46503ca6e659a25f21cf9ceddc13f352a3c98138c15d6af

                              • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\TransportSecurity

                                Filesize

                                1KB

                                MD5

                                9ce5a21373862b0f5f2ae4017ecfe515

                                SHA1

                                64fd91204173a2bf7cb0fcec310d1989e384d1f9

                                SHA256

                                49456d590fbdca67ac5191f759fadb659e6a51a0ed474a145055970a79f29d0c

                                SHA512

                                b27150a9aff12b0d81ac9d0002ccbfbe74d63cebea8b33d68b1fdff6c04d70dc4facc54047ff14c8d8e4925668bdb1da934288da86c11e020dfae4b998887b5a

                              • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\TransportSecurity

                                Filesize

                                1KB

                                MD5

                                b1cbd5838bac5905a5e41830f15a013a

                                SHA1

                                7a51813c06835ce0a0e53329c3ea0b8342211546

                                SHA256

                                c165a6b515f3cfb3e7791df4df97f05fc71cee16e572ace500557d58f63ac13d

                                SHA512

                                a26bef4db6d1c6d81ad3e333332c1f3f0a5a1deba3622008e2d7df949ef0a63bb8b7f9926bae05f8518c918b1253b3cda601f8cb5666c00eac84703d25fbe7b7

                              • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences

                                Filesize

                                9KB

                                MD5

                                e28c4e177cbcae14f9e3630dbee6b710

                                SHA1

                                ed5d956bc0b91a2f955b52415d3e0579d3e49a58

                                SHA256

                                a5b33dbe9072c6e6a6cf3d67c3489b11fb021fa106b74d00591bb7a7785cf027

                                SHA512

                                76dd9964df503e94b291c5431e6b99f0739fb06a10e474cb4449e2482740055b63fcc264c0789083f1756a981951f187eb459035149a96d32baeb4ab38b82c34

                              • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences

                                Filesize

                                9KB

                                MD5

                                1ef0736f7a04a2aa1240a9a8d6168362

                                SHA1

                                4206c06a7eb1f93bcdd3d4f2e372f862075c8d22

                                SHA256

                                7ae5edb8c18f45900330de01f6291f8476240b0d57ba587d2f39e0d339b7ed84

                                SHA512

                                e289e127d94c30e2c4fd1eae35db13b2fd8a86337d32622a371d9449c051cd1a02af6353e8390f3a850864c368d25aabd10666b6686ee2e676e9cc82ce773bfa

                              • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences

                                Filesize

                                9KB

                                MD5

                                48dbc1ca5f9177b672831629268dcba5

                                SHA1

                                871b70cb12d8e583acbfe56a7f483035b44fd8e8

                                SHA256

                                0badf0c129b2f65b2f15d29a0fc3997636b197d22ec8ec16e3d3b2fbc52920a6

                                SHA512

                                fbd2672c9523545aae95bb1351f256eae79680b47d8682397c953aa483a67eba6ae87fa5bda9cdd2deb54c7b61ed8f4391cf6b582bccd5075d6a679e7e4811cd

                              • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State

                                Filesize

                                92KB

                                MD5

                                d328ce616d22c8d2eabb1b4e7907221e

                                SHA1

                                72bde2e4e079eaf1ad605e1c4962e758384ba02e

                                SHA256

                                8fab4f172adfe5375726fa226e9e51f4511332c87f77630fa294ccb12cf03b14

                                SHA512

                                fc0245c6a0b9bbef44046da2d3780376df9e1c46175c2c555c038461800235ef82d2eacc24cac9622cc626c395b7259d7bf971152fd8ce4c0afe6cd0c82e5bf0

                              • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State

                                Filesize

                                92KB

                                MD5

                                eaa7e3319b3ff5b31dd10832f85c52fc

                                SHA1

                                587eec63cf38861ada452d11c008320ffb1e72ee

                                SHA256

                                de6f3b218db7e61aa4bf24ec07ba5818c1e5017dac5ceeb590fedfcdf289120b

                                SHA512

                                159ef3a9e43973636e2386639b586e23e8d93634c43a8c03a908e085165621696420958fc833e1019ddf433892e26e69e717cbf12122d851920a23e24d87a2da

                              • C:\Users\Admin\Downloads\NetSky.exe

                                Filesize

                                17KB

                                MD5

                                6f49434d7e4532520372a4721a7a9aec

                                SHA1

                                979e0112b24c1f490653e47e4a340b37f72d17cd

                                SHA256

                                15e48ef767e1b2d696d2f6beec08e12e6e6d8909c070347d2d10abe75c120495

                                SHA512

                                9c86461d65fa52dc0e2ab15f3b95b75fe572f7e46b20ada7fcae57b9fd5355bee6e31b47183d5465e97bc72a065fa96dc8330667fbd3e69b13ed561600e6672c

                              • C:\Users\Admin\Downloads\NetSky.zip

                                Filesize

                                15KB

                                MD5

                                0fcaf4c68f61bcef1ecc5c785bdc87dd

                                SHA1

                                830c82fda751b2433455dd1c44e38e3b188ca8e0

                                SHA256

                                e410d3d05109d373f043620a14976d969f4ead193be440e32a83363f14e91187

                                SHA512

                                0bbc8ecd8affd0e536fb359f2a79b97a2ff939b722158cc0877591151194cc108b813dc61ce33826391fe6d455ac43b8e3c5487a4391f6e72975b91f4d0bf400

                              • \??\c:\users\admin\appdata\local\google\chrome\user data\first_party_sets.db

                                Filesize

                                48KB

                                MD5

                                5a1706ef2fb06594e5ec3a3f15fb89e2

                                SHA1

                                983042bba239018b3dced4b56491a90d38ba084a

                                SHA256

                                87d62d8837ef9e6ab288f75f207ffa761e90a626a115a0b811ae6357bb7a59dd

                                SHA512

                                c56a8b94d62b12af6bd86f392faa7c3b9f257bd2fad69c5fa2d5e6345640fe4576fac629ed070b65ebce237759d30da0c0a62a8a21a0b5ef6b09581d91d0aa16

                              • memory/2324-209-0x0000000000400000-0x0000000000418000-memory.dmp

                                Filesize

                                96KB

                              • memory/2324-184-0x0000000000417000-0x0000000000418000-memory.dmp

                                Filesize

                                4KB

                              • memory/2324-182-0x0000000000400000-0x0000000000418000-memory.dmp

                                Filesize

                                96KB

                              • memory/2884-217-0x0000000000400000-0x0000000000418000-memory.dmp

                                Filesize

                                96KB