Analysis

  • max time kernel
    154s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/07/2024, 07:44

General

  • Target

    http://kun-6.nww.kr/common/security/KOSInstaller/DAmoWebCrypto/DAmoWebCryptoSetup.exe

Score
8/10

Malware Config

Signatures

  • Downloads MZ/PE file
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 64 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Files\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument http://kun-6.nww.kr/common/security/KOSInstaller/DAmoWebCrypto/DAmoWebCryptoSetup.exe
    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:5064
    • 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=0xfc,0x100,0x104,0xd8,0x108,0x7ffcb2a39758,0x7ffcb2a39768,0x7ffcb2a39778
      2⤵
        PID:1260
      • 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=1744 --field-trial-handle=1904,i,10915178173407585948,8752703815601249154,131072 /prefetch:2
        2⤵
          PID:1108
        • 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=1904,i,10915178173407585948,8752703815601249154,131072 /prefetch:8
          2⤵
            PID:2540
          • 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=2196 --field-trial-handle=1904,i,10915178173407585948,8752703815601249154,131072 /prefetch:8
            2⤵
              PID:4048
            • 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=2964 --field-trial-handle=1904,i,10915178173407585948,8752703815601249154,131072 /prefetch:1
              2⤵
                PID:4572
              • 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=3092 --field-trial-handle=1904,i,10915178173407585948,8752703815601249154,131072 /prefetch:1
                2⤵
                  PID:1136
                • 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=4252 --field-trial-handle=1904,i,10915178173407585948,8752703815601249154,131072 /prefetch:8
                  2⤵
                    PID:1812
                  • 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=4484 --field-trial-handle=1904,i,10915178173407585948,8752703815601249154,131072 /prefetch:8
                    2⤵
                      PID:4748
                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilReadIcon --lang=en-US --service-sandbox-type=icon_reader --mojo-platform-channel-handle=4716 --field-trial-handle=1904,i,10915178173407585948,8752703815601249154,131072 /prefetch:8
                      2⤵
                        PID:1240
                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilReadIcon --lang=en-US --service-sandbox-type=icon_reader --mojo-platform-channel-handle=4756 --field-trial-handle=1904,i,10915178173407585948,8752703815601249154,131072 /prefetch:8
                        2⤵
                          PID:4904
                        • 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=1152 --field-trial-handle=1904,i,10915178173407585948,8752703815601249154,131072 /prefetch:8
                          2⤵
                            PID:4372
                          • C:\Program Files\Google\Chrome\Application\chrome.exe
                            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilReadIcon --lang=en-US --service-sandbox-type=icon_reader --mojo-platform-channel-handle=1716 --field-trial-handle=1904,i,10915178173407585948,8752703815601249154,131072 /prefetch:8
                            2⤵
                              PID:3780
                            • C:\Program Files\Google\Chrome\Application\chrome.exe
                              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilReadIcon --lang=en-US --service-sandbox-type=icon_reader --mojo-platform-channel-handle=2572 --field-trial-handle=1904,i,10915178173407585948,8752703815601249154,131072 /prefetch:8
                              2⤵
                                PID:2856
                              • 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=3796 --field-trial-handle=1904,i,10915178173407585948,8752703815601249154,131072 /prefetch:2
                                2⤵
                                • Suspicious behavior: EnumeratesProcesses
                                PID:3832
                            • 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:4228
                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4240 --field-trial-handle=2656,i,16940681401824032220,151921362336696246,262144 --variations-seed-version /prefetch:8
                                1⤵
                                  PID:1128
                                • C:\Windows\System32\rundll32.exe
                                  C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
                                  1⤵
                                    PID:1120

                                  Network

                                  MITRE ATT&CK Enterprise v15

                                  Replay Monitor

                                  Loading Replay Monitor...

                                  Downloads

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

                                    Filesize

                                    986B

                                    MD5

                                    b162dd77c5f4409f06aec41f326a34fd

                                    SHA1

                                    eda04d8834afa684bc3a14839fcea40444bd5407

                                    SHA256

                                    a2124e1807207c884522f52b8e7fec6dcb6e431c4136bfde9a386d9cb2d8fa1a

                                    SHA512

                                    503de9be06f0d01698e0acc428af0b6266680ecd4df9be8a21fc81f730ef8ab3384860d936b90f75ac6f67cb556dc723d990978cb12d35db40d43ca3f3e271e7

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

                                    Filesize

                                    5KB

                                    MD5

                                    993f7a18f0bf604588f6e84e8f528333

                                    SHA1

                                    8b706f6e78638df0e291193adeb35e7e8ed29504

                                    SHA256

                                    ad0d30e3ffed8f1dc209023385e8b1b4acfcd55254b6f9f23118544f6d648edd

                                    SHA512

                                    de7ef18c6b0fd4f3a1dcd748c193647bf324238c2e7f05a360ca075edd55a932cd0f7c468ccfeb7040fb1177141cb7fee8e14a77c3d94c31d82e722f9dd0db56

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

                                    Filesize

                                    5KB

                                    MD5

                                    6051b3ffc18ad38c88bee9313d2b500f

                                    SHA1

                                    8f4103afcb3aa9fbd242056a764d0e7b0105ad52

                                    SHA256

                                    0d230d1a40c443d1604b2262bb6aa9f0b5a2c1e2ef69e88db905c8d740338ece

                                    SHA512

                                    1d57747c8959a3d4e410aa710de8129d3a9c21048c63e4e2c7cc5635d7539b69b673f275ac955e3da723b37ab7b5c983c290aeb5d31633feee1d117839ffe344

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

                                    Filesize

                                    5KB

                                    MD5

                                    0f0927be108d0dbd6bf7b978d7bdd29a

                                    SHA1

                                    54bc635e7f4d0301739d714fe2e32001aa71795d

                                    SHA256

                                    4dbe4da805f255012fe36add0184aae5dc17d1086e8808b19c84b02f382873f9

                                    SHA512

                                    b3f6d8e420a986bce1b9f44b3dbc90bf2c764f0b927a3824ee84dcfb12337612cc27490813de698360480961ceed327c70ab0ad99e6d41a59a6b5e0319b45ba7

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

                                    Filesize

                                    128KB

                                    MD5

                                    2f8bbd66858fd48b402ce30c32d4e58d

                                    SHA1

                                    92eb78333b840c6a3a1ab4416d1d833a3024ba11

                                    SHA256

                                    13971176f1fd7e4b034a2b53ed99c5705bca8b3c3b79a3a45846a4b8493ac5ad

                                    SHA512

                                    6835687d012da28bf78090292573f578127ccc3cc040c7e7ddc798b846cd01a94121439f1d15aab5e12c2ea8f8c1ed885a7868116db3910752736ec90e88a615

                                  • 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\Unconfirmed 645837.crdownload

                                    Filesize

                                    19.2MB

                                    MD5

                                    76671ff640a4f29fc9b52f2e8313a3eb

                                    SHA1

                                    a85d07ead6bb0efef4f20e5f3018ec28908deb74

                                    SHA256

                                    38afda47dd5b55c4740f76b18a1877351946f17ed25f35fd0a2bd98e1a721270

                                    SHA512

                                    7e613081b61dd09ee144566b58b2d91955465b509da05779e0c43ec6c86d169676612826fd73715cc1d7e7352634031a0d03ac230cc36a2f027a748462d38383