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Analysis

  • max time kernel
    149s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/06/2024, 23:22

General

  • Target

    http://www.aftertherain.kr/commentary/?work=view&idx=44229&cate=10e0

Score
1/10

Malware Config

Signatures

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 26 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Files\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument http://www.aftertherain.kr/commentary/?work=view&idx=44229&cate=10e0
    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:4172
    • 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=0xfc,0x100,0x104,0x40,0x108,0x7ff8eb25ab58,0x7ff8eb25ab68,0x7ff8eb25ab78
      2⤵
        PID:372
      • 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=1620 --field-trial-handle=2020,i,4653964828373258041,1145293974323160162,131072 /prefetch:2
        2⤵
          PID:3024
        • 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=2164 --field-trial-handle=2020,i,4653964828373258041,1145293974323160162,131072 /prefetch:8
          2⤵
            PID:3712
          • 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=2268 --field-trial-handle=2020,i,4653964828373258041,1145293974323160162,131072 /prefetch:8
            2⤵
              PID:112
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --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=2804 --field-trial-handle=2020,i,4653964828373258041,1145293974323160162,131072 /prefetch:1
              2⤵
                PID:1792
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=2808 --field-trial-handle=2020,i,4653964828373258041,1145293974323160162,131072 /prefetch:1
                2⤵
                  PID:656
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --mojo-platform-channel-handle=4224 --field-trial-handle=2020,i,4653964828373258041,1145293974323160162,131072 /prefetch:1
                  2⤵
                    PID:440
                  • 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=4640 --field-trial-handle=2020,i,4653964828373258041,1145293974323160162,131072 /prefetch:8
                    2⤵
                      PID:456
                    • 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=4648 --field-trial-handle=2020,i,4653964828373258041,1145293974323160162,131072 /prefetch:8
                      2⤵
                        PID:1980
                      • 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=2988 --field-trial-handle=2020,i,4653964828373258041,1145293974323160162,131072 /prefetch:8
                        2⤵
                          PID:5060
                        • 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=4680 --field-trial-handle=2020,i,4653964828373258041,1145293974323160162,131072 /prefetch:8
                          2⤵
                            PID:3732
                          • 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=10.0.19041.546 --gpu-preferences=UAAAAAAAAADoAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAACQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1860 --field-trial-handle=2020,i,4653964828373258041,1145293974323160162,131072 /prefetch:2
                            2⤵
                            • Suspicious behavior: EnumeratesProcesses
                            PID:4024
                        • 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:3364

                          Network

                          MITRE ATT&CK Enterprise v15

                          Replay Monitor

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                          Downloads

                          • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Cache\Cache_Data\f_00000a

                            Filesize

                            25KB

                            MD5

                            96bb4acd55b9b0dbdffeceff9b75c4c5

                            SHA1

                            fbd67a0f9ff72ffa15ae340115e9fb4a7d62d717

                            SHA256

                            a971bd9e399ce1c6ac72c4430f38138cccdaf641669d3e195edca96c2fd8a43b

                            SHA512

                            d23746e66f5ba49aa04a81ad774c71a39ee4d397635714999b8eaa24163e02f5992924558285d1631d8ee6374906d294030614658cd618248af53bdce5585999

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

                            Filesize

                            1008B

                            MD5

                            349f378c4353b387fc44a8abafc57d65

                            SHA1

                            1e37240fb6d685a9ec923c6b9391d7533cef0588

                            SHA256

                            729f804c562a83ef0c47d42199888eb6fe17dde50b5cf332ee85fb300faac78a

                            SHA512

                            709420d065ed2dd5df764152f8b5522f97dd17fe4813695a7a805e4988287904bf208ef1a845151660ab75b6715647b502de2e209334aa175bf1cc3d12a84bac

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

                            Filesize

                            3KB

                            MD5

                            ce35238aeaad180b547a4a639713527e

                            SHA1

                            3d4af1e679a10a1a739cf86dfd87d3bb48e941fe

                            SHA256

                            9e459f0be0c19b871634d6fad8f5eaf77c4ed8bceaa7a791e469116e70c7b048

                            SHA512

                            b2a3d3a843f3352d4da018e66b32974d08ed56c547ef310763add426335db7ea3784d88c75e83cf88422cffc117f0b4be420071292ad12cda839e4bc62d5b950

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

                            Filesize

                            3KB

                            MD5

                            119c00fa82c91518fd73b794bb99cf08

                            SHA1

                            182c000b6b24d09e8f5fa8af465b2e436e2a6aea

                            SHA256

                            4db50566086cd371b0c179dada737828449a15b62fd41226e505e4abd36a7eeb

                            SHA512

                            c5b5fd37fa42a5ae1155bc78afc8d7e4722396773c4c09964f7d20199acb2d1e5e7e7c71acdb86779c379a3f68eb5d2028919155ad08e1044d8474df66db1ef8

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

                            Filesize

                            1KB

                            MD5

                            33cea14fc87e66eb4f70c5bfe8b8f276

                            SHA1

                            8e63d59e4dd5cba9fdda7a46ba5f5e241cbb4411

                            SHA256

                            2a49606521ddb86a919ffd1f44f2b327108f33e8cd85ccc9d037781aa0a2c1f5

                            SHA512

                            28188ee7c9fdf60d34441bdff0fcaf1ce4c9eab20054ba874642146b6f442a4e7c1de03ab519f00c412b89221f096fec3296df62051a3a2e9b29751db5cc6225

                          • 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

                            2KB

                            MD5

                            8ad6034239d9c72520b2bbe2d3871ac1

                            SHA1

                            69ece7766a581fb7a269747c7fd993f008b1ee2c

                            SHA256

                            99982606d4d402514f9838f57669ef65c6d038b175fd51f8cbc05ef30e6e37e2

                            SHA512

                            c6fb54e6dc64b724b27ed06599d62b1a7f412ecac679fd2ba20d82c2ff92fb387274f80c5b69831d9f052dd32c5064050e9b0766b514db6deb70c1cb5b47a453

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

                            Filesize

                            6KB

                            MD5

                            efa94575f0c00066641a527a8e41cbe4

                            SHA1

                            cc0b8f17a90f7fb3190551edc2365eb0100b365b

                            SHA256

                            228e887020656d05bc621432a1a01dcbfbe44a04c2eb1005a577711323ab8218

                            SHA512

                            b154cca7f3522cd16dea2a05a434c0fb32ae8d455162d2897af4927dd0087f77d46403e86522aeea2882345ab695b1fe7b1a5b59fa6e137b139205c860f4cb37

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

                            Filesize

                            130KB

                            MD5

                            d976944790689fb04348c6a1a778f059

                            SHA1

                            8810fecea13d8a664a4336daf10cdd4592ff942f

                            SHA256

                            d5c8ccd30bfd466451896aa7432ec2a2eff17dbd5a4d1c5604dc4a6c711ab291

                            SHA512

                            eb33d28426e1f64a0fbf9f8505fe10621c291ef10456f6b44ff04cde751d62f4e3461db09c59ad3580dd2f8eecb07e37ee01a6161953d44d93397745e5f9eec8

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

                            Filesize

                            131KB

                            MD5

                            516198758a3b143af2709626d20b78f0

                            SHA1

                            bb34b2116d68aab6bcaf408bc38417e10049f722

                            SHA256

                            b7d452ad92d447b3f4c5ff17fac133bcdb842b8a00186cf4903d450b86ed69ce

                            SHA512

                            a25da6978872ceb86db8817f06e7d6f7a0393f0787b45b08e2c49d5cc35a6d4922922cb7a0167d19a2e41d9a9d5aa498868e3e6f16ad164284288c2fe48bd5c8

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

                            Filesize

                            131KB

                            MD5

                            eea23ea9f758bbfee0aa7c621be465fe

                            SHA1

                            b3e24172ce3ffef05861cddea3e28728b9bc5c66

                            SHA256

                            6592ea30f150828eb587a1e54baa5e89097507b6dff0411688a7d333783f4548

                            SHA512

                            c691ea03a3933044aef848d1d1932e7ffd325faf1c7ef59feb0be68c176780d2a16eccea18ab7d63a536f0c53833c58b9306b042e2cdaa1a530cf9fdf63b9862

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

                            Filesize

                            132KB

                            MD5

                            c1acfd9fd8d175cc6d6ebb447675d4a5

                            SHA1

                            c0890ed0a6e3cfdfb64824139438e421515fd7e7

                            SHA256

                            c4288139d2a682cedbf5fba3d027621178551744dd24f57d4af19c3c15a3a2a5

                            SHA512

                            e7cb36c4bf4910e99f3dedd2589332c45bb2b9775178ee6ca620c5393ff0a4a5fb043cf6a93820aa20024bc81b5ddb7862434adb17b1cfee1b9d2ecdc8f7ccb9