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Resubmissions

06/04/2024, 03:27

240406-dzvt3ahg7t 8

06/04/2024, 03:23

240406-dxx7eahg4z 6

06/04/2024, 02:55

240406-det22ahe3w 6

06/04/2024, 02:53

240406-dddnnaab24 6

06/04/2024, 02:31

240406-cz4arshh27 6

06/04/2024, 02:28

240406-cyek1shg92 6

Analysis

  • max time kernel
    51s
  • max time network
    52s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240221-en
  • resource tags

    arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    06/04/2024, 02:53

General

  • Target

    https://github.com/Netaa33/KRNL-Executor

Score
6/10

Malware Config

Signatures

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Modifies registry class 1 IoCs
  • NTFS ADS 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 33 IoCs
  • Suspicious use of SendNotifyMessage 12 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Files\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument https://github.com/Netaa33/KRNL-Executor
    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:1608
    • 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=106.0.5249.119 --initial-client-data=0x100,0x104,0x108,0xdc,0x10c,0x7ffbce489758,0x7ffbce489768,0x7ffbce489778
      2⤵
        PID:1676
      • 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=1704 --field-trial-handle=1848,i,6254478955531747911,18073770871308763604,131072 /prefetch:2
        2⤵
          PID:2372
        • 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=2116 --field-trial-handle=1848,i,6254478955531747911,18073770871308763604,131072 /prefetch:8
          2⤵
            PID:856
          • 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=utility --mojo-platform-channel-handle=2184 --field-trial-handle=1848,i,6254478955531747911,18073770871308763604,131072 /prefetch:8
            2⤵
              PID:1972
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --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=3068 --field-trial-handle=1848,i,6254478955531747911,18073770871308763604,131072 /prefetch:1
              2⤵
                PID:1268
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=3084 --field-trial-handle=1848,i,6254478955531747911,18073770871308763604,131072 /prefetch:1
                2⤵
                  PID:1668
                • 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=5004 --field-trial-handle=1848,i,6254478955531747911,18073770871308763604,131072 /prefetch:8
                  2⤵
                    PID:2260
                  • 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=5148 --field-trial-handle=1848,i,6254478955531747911,18073770871308763604,131072 /prefetch:8
                    2⤵
                      PID:3128
                    • 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=5416 --field-trial-handle=1848,i,6254478955531747911,18073770871308763604,131072 /prefetch:8
                      2⤵
                      • NTFS ADS
                      PID:616
                  • C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe
                    "C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe"
                    1⤵
                      PID:472
                    • C:\Windows\System32\rundll32.exe
                      C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
                      1⤵
                        PID:3908
                      • C:\Windows\system32\cmd.exe
                        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\Downloads\Installer\Installer.bat" "
                        1⤵
                          PID:4928
                          • C:\Windows\system32\cacls.exe
                            "C:\Windows\system32\cacls.exe" "C:\Windows\system32\config\system"
                            2⤵
                              PID:1844
                            • C:\Users\Admin\Downloads\Installer\compiler.exe
                              compiler.exe config
                              2⤵
                              • NTFS ADS
                              PID:1996

                          Network

                          MITRE ATT&CK Enterprise v15

                          Replay Monitor

                          Loading Replay Monitor...

                          Downloads

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

                            Filesize

                            1KB

                            MD5

                            4602f5cf490f753bac10681734b44d6e

                            SHA1

                            4491b5b1eb13b1799c53b542bd340bb9d962dbaa

                            SHA256

                            169be9a97c34050bb9371db0dcccb0ca3d42c4edebe5f95621af7d89adffbbf3

                            SHA512

                            25ccbd8458120b0f8e7fd43ec6b1e3502272a4ec31cadd19e6d4934e6b50900f6b6b9a52a0c86a64e352a5e7698f2d25ada7e1a8e7b2c5b12ef5591f4871c933

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

                            Filesize

                            1KB

                            MD5

                            d42fdce2eecd19a890ec5f0b25804aa8

                            SHA1

                            2e677d93f5bca83fbb26b330c2f0699a972897ce

                            SHA256

                            7da70998f6ada4bbe4dac2e7b5622da1a05f3f004ad6f447c87dad262cd87fd6

                            SHA512

                            ea87cd914d8c715ae25df673139e03c5686d3fdd31f6e482e8b7ce754f653177f022f39617430b38b03c6cc1eba83ab365a0460c36c9ecc2144eec6ea2191d62

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

                            Filesize

                            1KB

                            MD5

                            a2087310b52a51d51c015c716c2b192f

                            SHA1

                            0a3be5ce548b6114bb8ef3d3fa009d21f9e59b42

                            SHA256

                            cae2c40dff3d7c049c9e6b51758e9d247742522e5c035016d3af62c9a59c7ac5

                            SHA512

                            5fde0db6bc95f354467ae90ed609e82b4fcdffd6bfaf382c9f0f5393f74dd6695be4f41ad59c45ae8cfa781df356242f29d38f6aa7601a6468e208eb8a947e71

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

                            Filesize

                            1KB

                            MD5

                            376b92f13ab666a432b555da2a57c9fc

                            SHA1

                            18f94930e3714e7f6049b8503761b888f45d0782

                            SHA256

                            af102287848cf99aec2ed97a9db377ae80aaf91af669d419a29994bc067e0227

                            SHA512

                            8139e5352e0a3a6b0344c7bfd98d127542390e7bce5bb5edeeed9e0c21d2e920e065d515cce2cb71e29a2ec25845964e96649d82b71233b8d2b893d0583b3d9b

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

                            Filesize

                            6KB

                            MD5

                            3973330fe63fc2d838c227147aa4fb24

                            SHA1

                            556e12fa417ea26e834323893a6f3acdc967bace

                            SHA256

                            60a208b619352f1b0796c7847f715fa72a91b0e81c3d09b4dd8e9cdc6d7ffce0

                            SHA512

                            476bc7abb3e373eda957d6ee6b900df3f7e434095722bce92cb81509ac427284b0380f44b5e68c62ddce0756b7b73c6fdb8bf98192577bbc1194002a44547be2

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

                            Filesize

                            6KB

                            MD5

                            243479f128da5b9a16e349604a4da0b3

                            SHA1

                            7bfbc4901535ec09315dfe9f2c10ce0f4f4ff4c3

                            SHA256

                            77c1bc11c95fa64c75ec7847880dc237426e425fdd64a968f27950f3328ffd13

                            SHA512

                            59f288b1e08d6a66326f5d408ffecd7632956b8aeb843c9de36d03a8d2b2eb5d0a37bbd69620fa6d75a3501d299523a6ffab8bb311e3f6df9f61db606e01a7a6

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

                            Filesize

                            130KB

                            MD5

                            5969f57ada0c632c1bccd3b172202654

                            SHA1

                            fc752848d55a952196ed9f5431c52a976484285c

                            SHA256

                            87bca3d20080bb396299e836d636bf74099f17603213c5aa4313d282def1eae1

                            SHA512

                            e561c0244fe71fca31f05bd9468acf3dd693df27832ab6f0ecd02f71521909bb24758cee9f8eede4c7c7d9c5cfdbe4f264060fcdbb88182ed55d29027ac62601

                          • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\persisted_first_party_sets.json

                            Filesize

                            2B

                            MD5

                            99914b932bd37a50b983c5e7c90ae93b

                            SHA1

                            bf21a9e8fbc5a3846fb05b4fa0859e0917b2202f

                            SHA256

                            44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a

                            SHA512

                            27c74670adb75075fad058d5ceaf7b20c4e7786c83bae8a32f626f9782af34c9a33c2046ef60fd2a7878d378e29fec851806bbd9a67878f3a9f1cda4830763fd

                          • C:\Users\Admin\Downloads\Installer.zip.crdownload

                            Filesize

                            476KB

                            MD5

                            9bda27c2159a36fadbbb4b073eb58363

                            SHA1

                            e1c38a62e2f7efc3ce4e0a3c81375f8fbfe36826

                            SHA256

                            2eb959e06c121bd6ea9e5cc6edb280aca21344837f653660f5c97b46efb97793

                            SHA512

                            195ea7bcbc412a2ca57c5bfb1090f7c378deb77625efd7ac590cd0150ee39fa1a85dde264f270e1d9621562ab16db0366a019d5ecc6340b447baafa2844fbfbd

                          • C:\Users\Admin\Downloads\Installer.zip:Zone.Identifier

                            Filesize

                            26B

                            MD5

                            fbccf14d504b7b2dbcb5a5bda75bd93b

                            SHA1

                            d59fc84cdd5217c6cf74785703655f78da6b582b

                            SHA256

                            eacd09517ce90d34ba562171d15ac40d302f0e691b439f91be1b6406e25f5913

                            SHA512

                            aa1d2b1ea3c9de3ccadb319d4e3e3276a2f27dd1a5244fe72de2b6f94083dddc762480482c5c2e53f803cd9e3973ddefc68966f974e124307b5043e654443b98

                          • memory/1996-227-0x000000007FC20000-0x000000007FC30000-memory.dmp

                            Filesize

                            64KB

                          • memory/1996-233-0x000000007FC20000-0x000000007FC30000-memory.dmp

                            Filesize

                            64KB

                          • memory/1996-200-0x000000007FC20000-0x000000007FC30000-memory.dmp

                            Filesize

                            64KB

                          • memory/1996-201-0x000000007FC20000-0x000000007FC30000-memory.dmp

                            Filesize

                            64KB

                          • memory/1996-202-0x000000007FC20000-0x000000007FC30000-memory.dmp

                            Filesize

                            64KB

                          • memory/1996-204-0x000000007FC20000-0x000000007FC30000-memory.dmp

                            Filesize

                            64KB

                          • memory/1996-203-0x000000007FC20000-0x000000007FC30000-memory.dmp

                            Filesize

                            64KB

                          • memory/1996-205-0x000000007FC20000-0x000000007FC30000-memory.dmp

                            Filesize

                            64KB

                          • memory/1996-206-0x000000007FC20000-0x000000007FC30000-memory.dmp

                            Filesize

                            64KB

                          • memory/1996-208-0x000000007FC20000-0x000000007FC30000-memory.dmp

                            Filesize

                            64KB

                          • memory/1996-207-0x000000007FC20000-0x000000007FC30000-memory.dmp

                            Filesize

                            64KB

                          • memory/1996-209-0x000000007FC20000-0x000000007FC30000-memory.dmp

                            Filesize

                            64KB

                          • memory/1996-210-0x000000007FC20000-0x000000007FC30000-memory.dmp

                            Filesize

                            64KB

                          • memory/1996-211-0x000000007FC20000-0x000000007FC30000-memory.dmp

                            Filesize

                            64KB

                          • memory/1996-212-0x000000007FC20000-0x000000007FC30000-memory.dmp

                            Filesize

                            64KB

                          • memory/1996-213-0x000000007FC20000-0x000000007FC30000-memory.dmp

                            Filesize

                            64KB

                          • memory/1996-214-0x000000007FC20000-0x000000007FC30000-memory.dmp

                            Filesize

                            64KB

                          • memory/1996-215-0x000000007FC20000-0x000000007FC30000-memory.dmp

                            Filesize

                            64KB

                          • memory/1996-216-0x000000007FC20000-0x000000007FC30000-memory.dmp

                            Filesize

                            64KB

                          • memory/1996-217-0x000000007FC20000-0x000000007FC30000-memory.dmp

                            Filesize

                            64KB

                          • memory/1996-218-0x000000007FC20000-0x000000007FC30000-memory.dmp

                            Filesize

                            64KB

                          • memory/1996-219-0x000000007FC20000-0x000000007FC30000-memory.dmp

                            Filesize

                            64KB

                          • memory/1996-220-0x000000007FC20000-0x000000007FC30000-memory.dmp

                            Filesize

                            64KB

                          • memory/1996-221-0x000000007FC20000-0x000000007FC30000-memory.dmp

                            Filesize

                            64KB

                          • memory/1996-222-0x000000007FC20000-0x000000007FC30000-memory.dmp

                            Filesize

                            64KB

                          • memory/1996-223-0x000000007FC20000-0x000000007FC30000-memory.dmp

                            Filesize

                            64KB

                          • memory/1996-224-0x000000007FC20000-0x000000007FC30000-memory.dmp

                            Filesize

                            64KB

                          • memory/1996-225-0x000000007FC20000-0x000000007FC30000-memory.dmp

                            Filesize

                            64KB

                          • memory/1996-226-0x000000007FC20000-0x000000007FC30000-memory.dmp

                            Filesize

                            64KB

                          • memory/1996-198-0x000000007FC20000-0x000000007FC30000-memory.dmp

                            Filesize

                            64KB

                          • memory/1996-228-0x000000007FC20000-0x000000007FC30000-memory.dmp

                            Filesize

                            64KB

                          • memory/1996-229-0x000000007FC20000-0x000000007FC30000-memory.dmp

                            Filesize

                            64KB

                          • memory/1996-230-0x000000007FC20000-0x000000007FC30000-memory.dmp

                            Filesize

                            64KB

                          • memory/1996-231-0x000000007FC20000-0x000000007FC30000-memory.dmp

                            Filesize

                            64KB

                          • memory/1996-232-0x000000007FC20000-0x000000007FC30000-memory.dmp

                            Filesize

                            64KB

                          • memory/1996-199-0x000000007FC20000-0x000000007FC30000-memory.dmp

                            Filesize

                            64KB

                          • memory/1996-234-0x000000007FC20000-0x000000007FC30000-memory.dmp

                            Filesize

                            64KB

                          • memory/1996-235-0x000000007FC20000-0x000000007FC30000-memory.dmp

                            Filesize

                            64KB

                          • memory/1996-236-0x000000007FC20000-0x000000007FC30000-memory.dmp

                            Filesize

                            64KB

                          • memory/1996-237-0x000000007FC20000-0x000000007FC30000-memory.dmp

                            Filesize

                            64KB

                          • memory/1996-238-0x000000007FC20000-0x000000007FC30000-memory.dmp

                            Filesize

                            64KB

                          • memory/1996-239-0x000000007FC20000-0x000000007FC30000-memory.dmp

                            Filesize

                            64KB

                          • memory/1996-240-0x000000007FC20000-0x000000007FC30000-memory.dmp

                            Filesize

                            64KB

                          • memory/1996-241-0x000000007FC20000-0x000000007FC30000-memory.dmp

                            Filesize

                            64KB

                          • memory/1996-242-0x000000007FC20000-0x000000007FC30000-memory.dmp

                            Filesize

                            64KB

                          • memory/1996-243-0x000000007FC20000-0x000000007FC30000-memory.dmp

                            Filesize

                            64KB

                          • memory/1996-244-0x000000007FC20000-0x000000007FC30000-memory.dmp

                            Filesize

                            64KB

                          • memory/1996-245-0x000000007FC20000-0x000000007FC30000-memory.dmp

                            Filesize

                            64KB

                          • memory/1996-246-0x000000007FC20000-0x000000007FC30000-memory.dmp

                            Filesize

                            64KB

                          • memory/1996-247-0x000000007FC20000-0x000000007FC30000-memory.dmp

                            Filesize

                            64KB

                          • memory/1996-248-0x000000007FC20000-0x000000007FC30000-memory.dmp

                            Filesize

                            64KB

                          • memory/1996-249-0x000000007FC20000-0x000000007FC30000-memory.dmp

                            Filesize

                            64KB

                          • memory/1996-250-0x000000007FC20000-0x000000007FC30000-memory.dmp

                            Filesize

                            64KB

                          • memory/1996-251-0x000000007FC20000-0x000000007FC30000-memory.dmp

                            Filesize

                            64KB

                          • memory/1996-252-0x000000007FC20000-0x000000007FC30000-memory.dmp

                            Filesize

                            64KB

                          • memory/1996-253-0x000000007FC20000-0x000000007FC30000-memory.dmp

                            Filesize

                            64KB

                          • memory/1996-254-0x000000007FC20000-0x000000007FC30000-memory.dmp

                            Filesize

                            64KB

                          • memory/1996-255-0x000000007FC20000-0x000000007FC30000-memory.dmp

                            Filesize

                            64KB

                          • memory/1996-256-0x000000007FC20000-0x000000007FC30000-memory.dmp

                            Filesize

                            64KB

                          • memory/1996-257-0x000000007FC20000-0x000000007FC30000-memory.dmp

                            Filesize

                            64KB

                          • memory/1996-258-0x000000007FC20000-0x000000007FC30000-memory.dmp

                            Filesize

                            64KB

                          • memory/1996-259-0x000000007FC20000-0x000000007FC30000-memory.dmp

                            Filesize

                            64KB

                          • memory/1996-260-0x000000007FC20000-0x000000007FC30000-memory.dmp

                            Filesize

                            64KB

                          • memory/1996-261-0x000000007FC20000-0x000000007FC30000-memory.dmp

                            Filesize

                            64KB

                          • memory/1996-371-0x0000000002FC0000-0x0000000002FC1000-memory.dmp

                            Filesize

                            4KB

                          • memory/1996-376-0x0000000002FC0000-0x0000000002FC1000-memory.dmp

                            Filesize

                            4KB

                          • memory/1996-388-0x0000000002FC0000-0x0000000002FC1000-memory.dmp

                            Filesize

                            4KB

                          • memory/1996-387-0x0000000002FC0000-0x0000000002FC1000-memory.dmp

                            Filesize

                            4KB

                          • memory/1996-429-0x0000000002FC0000-0x0000000002FC1000-memory.dmp

                            Filesize

                            4KB