Analysis

  • max time kernel
    121s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-01-2024 17:30

General

  • Target

    7518f196c0a30ca7202bf1d353236f00.exe

  • Size

    44KB

  • MD5

    7518f196c0a30ca7202bf1d353236f00

  • SHA1

    acf912b642638db249d4576746851cab2e763f64

  • SHA256

    dc8f630031cc2f319050a819f97ded6361fda04eeb43cff56729a0e7fba421eb

  • SHA512

    7ec2e35eab20d0d8c124a2cba340cc7d8c85d6c6c9bba7baa141924c666edf9829b48086c8422e1eab9c85673e162f12ccb6c84b2973d67ea3471266cdb128be

  • SSDEEP

    768:YC6NHpHUhtUaFuGusosVYUSb8GXc3rt82CqI:YC6NBUhKXdjsh3GXKtt

Malware Config

Signatures

  • Kinsing

    Kinsing is a loader written in Golang.

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Drops file in System32 directory 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\backgroundTaskHost.exe
    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
    1⤵
      PID:1940
    • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe
      "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe" -ServerName:InputApp.AppX9jnwykgrccxc8by3hsrsh07r423xzvav.mca
      1⤵
        PID:1036
      • C:\Windows\System32\RuntimeBroker.exe
        C:\Windows\System32\RuntimeBroker.exe -Embedding
        1⤵
          PID:4536
        • C:\Windows\System32\RuntimeBroker.exe
          C:\Windows\System32\RuntimeBroker.exe -Embedding
          1⤵
            PID:4228
          • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
            "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
            1⤵
              PID:4068
            • C:\Users\Admin\AppData\Local\Temp\7518f196c0a30ca7202bf1d353236f00.exe
              "C:\Users\Admin\AppData\Local\Temp\7518f196c0a30ca7202bf1d353236f00.exe"
              1⤵
              • Modifies WinLogon for persistence
              • Drops file in System32 directory
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of WriteProcessMemory
              PID:540
            • C:\Windows\System32\RuntimeBroker.exe
              C:\Windows\System32\RuntimeBroker.exe -Embedding
              1⤵
                PID:3988
              • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                1⤵
                  PID:3924
                • C:\Windows\system32\DllHost.exe
                  C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                  1⤵
                    PID:3824
                  • C:\Windows\system32\svchost.exe
                    C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                    1⤵
                      PID:3632
                    • C:\Windows\Explorer.EXE
                      C:\Windows\Explorer.EXE
                      1⤵
                        PID:3500
                      • C:\Windows\system32\taskhostw.exe
                        taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                        1⤵
                          PID:2600
                        • C:\Windows\system32\svchost.exe
                          C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                          1⤵
                            PID:2524
                          • C:\Windows\system32\sihost.exe
                            sihost.exe
                            1⤵
                              PID:2512
                            • C:\Windows\System32\RuntimeBroker.exe
                              C:\Windows\System32\RuntimeBroker.exe -Embedding
                              1⤵
                                PID:1160
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:1280
                                • C:\Program Files (x86)\Internet Explorer\ielowutil.exe
                                  "C:\Program Files (x86)\Internet Explorer\ielowutil.exe" -CLSID:{0002DF01-0000-0000-C000-000000000046} -Embedding
                                  1⤵
                                    PID:4556
                                  • C:\Program Files\Internet Explorer\iexplore.exe
                                    "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
                                    1⤵
                                    • Modifies Internet Explorer settings
                                    • Suspicious use of FindShellTrayWindow
                                    • Suspicious use of SetWindowsHookEx
                                    • Suspicious use of WriteProcessMemory
                                    PID:1364
                                    • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                                      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1364 CREDAT:17410 /prefetch:2
                                      2⤵
                                      • Modifies Internet Explorer settings
                                      • Suspicious use of SetWindowsHookEx
                                      PID:3452

                                  Network

                                  MITRE ATT&CK Enterprise v15

                                  Replay Monitor

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                                  Downloads

                                  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
                                    Filesize

                                    471B

                                    MD5

                                    1d7f25dc2d6699e79619c31ff8908f6c

                                    SHA1

                                    de3c1be6c3f3e7f6eadbe715ae575794e5bf1221

                                    SHA256

                                    845c8a47772a9c534cf13a177c83c40db250a6dbbd0a369401ea884b8d058d6e

                                    SHA512

                                    7a6e1765a31821e79b766ea0675ed17d735a40766d5fcd6cc305a8d33b8257d11e492d4ad8626f2909e1c2c2d93e8d04ed133effd0a3ec29324ec3ca36a22a1e

                                  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
                                    Filesize

                                    404B

                                    MD5

                                    77fddb107b2dc4b6cc2fc04f8fa8196d

                                    SHA1

                                    43e3f7e56959a38e645e72be96e9c0621f5d5cf8

                                    SHA256

                                    aa1d3fbfac29cb8ce6449e558ca5fd7af28cddd1ce0bf239bec1450afaf6a585

                                    SHA512

                                    ed1969b88df1632ccaeda81436a01866f8af1ceb3c055787933de79cca9dd99a7115c22c44313dec89450d21eac01001e4ab1c379f35f282a4891d7216ce38ce

                                  • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\verCA64.tmp
                                    Filesize

                                    15KB

                                    MD5

                                    1a545d0052b581fbb2ab4c52133846bc

                                    SHA1

                                    62f3266a9b9925cd6d98658b92adec673cbe3dd3

                                    SHA256

                                    557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

                                    SHA512

                                    bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

                                  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\NSWVVUXL\suggestions[1].en-US
                                    Filesize

                                    17KB

                                    MD5

                                    5a34cb996293fde2cb7a4ac89587393a

                                    SHA1

                                    3c96c993500690d1a77873cd62bc639b3a10653f

                                    SHA256

                                    c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

                                    SHA512

                                    e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

                                  • C:\Windows\SysWOW64\order_opt1.bin
                                    Filesize

                                    4KB

                                    MD5

                                    5b5eccda32fe8ac871c404afd5d8e528

                                    SHA1

                                    08eab5d313ff212e3754021f42663f7ff6449161

                                    SHA256

                                    8b747a9cddb6ebec66572228e581a01ea6e9a4997af51df0467af171da8b65e7

                                    SHA512

                                    f6e72340c41fa5d1b0bd7381ae07cb60081893e433a8c3e16dce768b127781764ba5515caefb99e780c8cdf126d61e575bf9dc976caa5e89555c0d20d38ad8e6

                                  • memory/540-0-0x000000002AA00000-0x000000002AA0B000-memory.dmp
                                    Filesize

                                    44KB

                                  • memory/540-185-0x000000002AA00000-0x000000002AA0B000-memory.dmp
                                    Filesize

                                    44KB

                                  • memory/2512-5-0x000000002AA00000-0x000000002AA0B000-memory.dmp
                                    Filesize

                                    44KB

                                  • memory/2512-11-0x000000002AA00000-0x000000002AA0B000-memory.dmp
                                    Filesize

                                    44KB

                                  • memory/2512-6-0x000000002AA00000-0x000000002AA0B000-memory.dmp
                                    Filesize

                                    44KB

                                  • memory/2512-8-0x000000002AA00000-0x000000002AA0B000-memory.dmp
                                    Filesize

                                    44KB

                                  • memory/2512-4-0x000000002AA00000-0x000000002AA0B000-memory.dmp
                                    Filesize

                                    44KB

                                  • memory/2512-9-0x000000002AA00000-0x000000002AA0B000-memory.dmp
                                    Filesize

                                    44KB

                                  • memory/2512-10-0x000000002AA00000-0x000000002AA0B000-memory.dmp
                                    Filesize

                                    44KB

                                  • memory/2512-14-0x000000002AA00000-0x000000002AA0B000-memory.dmp
                                    Filesize

                                    44KB

                                  • memory/2512-13-0x000000002AA00000-0x000000002AA0B000-memory.dmp
                                    Filesize

                                    44KB

                                  • memory/2512-12-0x000000002AA00000-0x000000002AA0B000-memory.dmp
                                    Filesize

                                    44KB

                                  • memory/2512-7-0x000000002AA00000-0x000000002AA0B000-memory.dmp
                                    Filesize

                                    44KB

                                  • memory/4556-211-0x000000002AA00000-0x000000002AA0B000-memory.dmp
                                    Filesize

                                    44KB

                                  • memory/4556-189-0x000000002AA00000-0x000000002AA0B000-memory.dmp
                                    Filesize

                                    44KB

                                  • memory/4556-186-0x000000002AA00000-0x000000002AA0B000-memory.dmp
                                    Filesize

                                    44KB