Analysis
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max time kernel
154s -
max time network
169s -
platform
windows11-21h2_x64 -
resource
win11-20231215-en -
resource tags
arch:x64arch:x86image:win11-20231215-enlocale:en-usos:windows11-21h2-x64system -
submitted
21-01-2024 14:54
Behavioral task
behavioral1
Sample
704f1655ce9127d7aab6d82660b48a127b5f00cadd7282acb03c440f21dae5e2.exe
Resource
win7-20231129-en
windows7-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
704f1655ce9127d7aab6d82660b48a127b5f00cadd7282acb03c440f21dae5e2.exe
Resource
win10-20231215-en
windows10-1703-x64
6 signatures
150 seconds
Behavioral task
behavioral3
Sample
704f1655ce9127d7aab6d82660b48a127b5f00cadd7282acb03c440f21dae5e2.exe
Resource
win10v2004-20231215-en
windows10-2004-x64
7 signatures
150 seconds
Behavioral task
behavioral4
Sample
704f1655ce9127d7aab6d82660b48a127b5f00cadd7282acb03c440f21dae5e2.exe
Resource
win11-20231215-en
windows11-21h2-x64
5 signatures
150 seconds
General
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Target
704f1655ce9127d7aab6d82660b48a127b5f00cadd7282acb03c440f21dae5e2.exe
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Size
1.1MB
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MD5
67dd0708a2dcbe6b7661fd5eb4593ea7
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SHA1
3d496563984c73e129577da8ca87d3e823fdcce4
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SHA256
704f1655ce9127d7aab6d82660b48a127b5f00cadd7282acb03c440f21dae5e2
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SHA512
6dc6949196b6aa1e44564c955bf02b45e74247c23408e24fe206087725922dcb5cebb5db58635414313e6c96cfba26758919509ecd0e19832506069236dd9c21
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SSDEEP
24576:oYj5E9T+xHeQhNmYOnW8FQrbID+u9v1Qs:Z5E9LQvRrtSvB
Score
10/10
Malware Config
Signatures
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Detects Trigona ransomware 14 IoCs
resource yara_rule behavioral4/memory/2456-0-0x0000000000400000-0x0000000000523000-memory.dmp family_trigona behavioral4/memory/2456-1-0x0000000000400000-0x0000000000523000-memory.dmp family_trigona behavioral4/memory/2456-2-0x0000000000400000-0x0000000000523000-memory.dmp family_trigona behavioral4/memory/2456-4-0x0000000000400000-0x0000000000523000-memory.dmp family_trigona behavioral4/memory/2456-6-0x0000000000400000-0x0000000000523000-memory.dmp family_trigona behavioral4/memory/2456-764-0x0000000000400000-0x0000000000523000-memory.dmp family_trigona behavioral4/memory/2456-807-0x0000000000400000-0x0000000000523000-memory.dmp family_trigona behavioral4/memory/2456-2999-0x0000000000400000-0x0000000000523000-memory.dmp family_trigona behavioral4/memory/2456-6086-0x0000000000400000-0x0000000000523000-memory.dmp family_trigona behavioral4/memory/2456-7641-0x0000000000400000-0x0000000000523000-memory.dmp family_trigona behavioral4/memory/2456-9902-0x0000000000400000-0x0000000000523000-memory.dmp family_trigona behavioral4/memory/2456-11600-0x0000000000400000-0x0000000000523000-memory.dmp family_trigona behavioral4/memory/2456-13299-0x0000000000400000-0x0000000000523000-memory.dmp family_trigona behavioral4/memory/2456-15377-0x0000000000400000-0x0000000000523000-memory.dmp family_trigona -
Trigona
A ransomware first seen at the beginning of the 2022.
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-894477223-740240645-3565689000-1000\Software\Microsoft\Windows\CurrentVersion\Run\CFF703634299035FA92201B439DA73CD = "C:\\Users\\Admin\\AppData\\Local\\Temp\\704f1655ce9127d7aab6d82660b48a127b5f00cadd7282acb03c440f21dae5e2.exe" 704f1655ce9127d7aab6d82660b48a127b5f00cadd7282acb03c440f21dae5e2.exe -
Drops desktop.ini file(s) 1 IoCs
description ioc Process File opened for modification \??\c:\Program Files\Microsoft Office\root\Office16\1033\DataServices\DESKTOP.INI 704f1655ce9127d7aab6d82660b48a127b5f00cadd7282acb03c440f21dae5e2.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification \??\c:\Program Files\Microsoft Office\root\Office16\concrt140.dll 704f1655ce9127d7aab6d82660b48a127b5f00cadd7282acb03c440f21dae5e2.exe File opened for modification \??\c:\Program Files\Mozilla Firefox\api-ms-win-core-localization-l1-2-0.dll 704f1655ce9127d7aab6d82660b48a127b5f00cadd7282acb03c440f21dae5e2.exe File opened for modification \??\c:\Program Files\Common Files\microsoft shared\ClickToRun\AppvIsvSubsystems64.dll 704f1655ce9127d7aab6d82660b48a127b5f00cadd7282acb03c440f21dae5e2.exe File opened for modification \??\c:\Program Files\Microsoft Office\root\Licenses16\ProjectStdR_Grace-ul-oob.xrm-ms 704f1655ce9127d7aab6d82660b48a127b5f00cadd7282acb03c440f21dae5e2.exe File opened for modification \??\c:\Program Files\Microsoft Office\root\Office16\1033\QRYINT32.DLL 704f1655ce9127d7aab6d82660b48a127b5f00cadd7282acb03c440f21dae5e2.exe File opened for modification \??\c:\Program Files\Microsoft Office\root\Templates\1033\ONENOTE\16\Stationery\ACADEMIC.ONE 704f1655ce9127d7aab6d82660b48a127b5f00cadd7282acb03c440f21dae5e2.exe File opened for modification \??\c:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\SyncFusion.Grid.Grouping.Base.dll 704f1655ce9127d7aab6d82660b48a127b5f00cadd7282acb03c440f21dae5e2.exe File opened for modification \??\c:\Program Files\Microsoft Office\root\Office16\MEDIA\ARROW.WAV 704f1655ce9127d7aab6d82660b48a127b5f00cadd7282acb03c440f21dae5e2.exe File opened for modification \??\c:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000027\assets\Icons\[email protected] 704f1655ce9127d7aab6d82660b48a127b5f00cadd7282acb03c440f21dae5e2.exe File opened for modification \??\c:\Program Files\Microsoft Office\root\Office16\api-ms-win-crt-math-l1-1-0.dll 704f1655ce9127d7aab6d82660b48a127b5f00cadd7282acb03c440f21dae5e2.exe File opened for modification \??\c:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019XC2RVL_MAKC2R-ppd.xrm-ms 704f1655ce9127d7aab6d82660b48a127b5f00cadd7282acb03c440f21dae5e2.exe File opened for modification \??\c:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000027\assets\Icons\CancelFluent.png 704f1655ce9127d7aab6d82660b48a127b5f00cadd7282acb03c440f21dae5e2.exe File opened for modification \??\c:\Program Files\Mozilla Firefox\firefox.cfg 704f1655ce9127d7aab6d82660b48a127b5f00cadd7282acb03c440f21dae5e2.exe File opened for modification \??\c:\Program Files\Microsoft Office\root\Document Themes 16\Theme Effects\Banded Edge.eftx 704f1655ce9127d7aab6d82660b48a127b5f00cadd7282acb03c440f21dae5e2.exe File opened for modification \??\c:\Program Files\7-Zip\Lang\nn.txt 704f1655ce9127d7aab6d82660b48a127b5f00cadd7282acb03c440f21dae5e2.exe File opened for modification \??\c:\Program Files\7-Zip\Lang\it.txt 704f1655ce9127d7aab6d82660b48a127b5f00cadd7282acb03c440f21dae5e2.exe File opened for modification \??\c:\Program Files\Microsoft Office\root\Office16\MSOCR.DLL 704f1655ce9127d7aab6d82660b48a127b5f00cadd7282acb03c440f21dae5e2.exe File opened for modification \??\c:\Program Files\Microsoft Office\root\Office16\msoutilstat.etw.man 704f1655ce9127d7aab6d82660b48a127b5f00cadd7282acb03c440f21dae5e2.exe File opened for modification \??\c:\Program Files\Microsoft Office\root\vfs\Common AppData\Microsoft Help\MS.SETLANG.16.1033.hxn 704f1655ce9127d7aab6d82660b48a127b5f00cadd7282acb03c440f21dae5e2.exe File opened for modification \??\c:\Program Files\Microsoft Office\root\vfs\ProgramFilesX64\Microsoft Analysis Services\AS OLEDB\140\Cartridges\sql2000.xsl 704f1655ce9127d7aab6d82660b48a127b5f00cadd7282acb03c440f21dae5e2.exe File created \??\c:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Analysis Services\AS OLEDB\140\how_to_decrypt.hta 704f1655ce9127d7aab6d82660b48a127b5f00cadd7282acb03c440f21dae5e2.exe File opened for modification \??\c:\Program Files\VideoLAN\VLC\plugins\codec\libaes3_plugin.dll 704f1655ce9127d7aab6d82660b48a127b5f00cadd7282acb03c440f21dae5e2.exe File opened for modification \??\c:\Program Files\Microsoft Office\root\Licenses16\ProfessionalR_Retail-ul-phn.xrm-ms 704f1655ce9127d7aab6d82660b48a127b5f00cadd7282acb03c440f21dae5e2.exe File opened for modification \??\c:\Program Files\Common Files\microsoft shared\ink\bg-BG\tipresx.dll.mui 704f1655ce9127d7aab6d82660b48a127b5f00cadd7282acb03c440f21dae5e2.exe File opened for modification \??\c:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\insert.xml 704f1655ce9127d7aab6d82660b48a127b5f00cadd7282acb03c440f21dae5e2.exe File opened for modification \??\c:\Program Files\Java\jre-1.8\bin\WindowsAccessBridge-64.dll 704f1655ce9127d7aab6d82660b48a127b5f00cadd7282acb03c440f21dae5e2.exe File opened for modification \??\c:\Program Files\Microsoft Office\root\Licenses16\O365BusinessR_SubTest-ul-oob.xrm-ms 704f1655ce9127d7aab6d82660b48a127b5f00cadd7282acb03c440f21dae5e2.exe File created \??\c:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Resources\1033\how_to_decrypt.hta 704f1655ce9127d7aab6d82660b48a127b5f00cadd7282acb03c440f21dae5e2.exe File opened for modification \??\c:\Program Files\Microsoft Office\root\Licenses16\ProjectStdVL_KMS_Client-ppd.xrm-ms 704f1655ce9127d7aab6d82660b48a127b5f00cadd7282acb03c440f21dae5e2.exe File opened for modification \??\c:\Program Files\Microsoft Office\root\Licenses16\Word2019R_Trial-pl.xrm-ms 704f1655ce9127d7aab6d82660b48a127b5f00cadd7282acb03c440f21dae5e2.exe File opened for modification \??\c:\Program Files\Java\jre-1.8\bin\api-ms-win-crt-multibyte-l1-1-0.dll 704f1655ce9127d7aab6d82660b48a127b5f00cadd7282acb03c440f21dae5e2.exe File opened for modification \??\c:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL119.XML 704f1655ce9127d7aab6d82660b48a127b5f00cadd7282acb03c440f21dae5e2.exe File opened for modification \??\c:\Program Files\Microsoft Office\root\Office16\excelcnvpxy.dll 704f1655ce9127d7aab6d82660b48a127b5f00cadd7282acb03c440f21dae5e2.exe File opened for modification \??\c:\Program Files\Microsoft Office\root\Licenses16\Personal2019R_Grace-ul-oob.xrm-ms 704f1655ce9127d7aab6d82660b48a127b5f00cadd7282acb03c440f21dae5e2.exe File opened for modification \??\c:\Program Files\Microsoft Office\root\Office16\1033\AccessRuntime2019_eula.txt 704f1655ce9127d7aab6d82660b48a127b5f00cadd7282acb03c440f21dae5e2.exe File opened for modification \??\c:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\THEMES16\DEEPBLUE\DEEPBLUE.INF 704f1655ce9127d7aab6d82660b48a127b5f00cadd7282acb03c440f21dae5e2.exe File opened for modification \??\c:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\ucrtbase.dll 704f1655ce9127d7aab6d82660b48a127b5f00cadd7282acb03c440f21dae5e2.exe File created \??\c:\Program Files\Java\jre-1.8\lib\security\how_to_decrypt.hta 704f1655ce9127d7aab6d82660b48a127b5f00cadd7282acb03c440f21dae5e2.exe File opened for modification \??\c:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_OEM_Perp-ul-oob.xrm-ms 704f1655ce9127d7aab6d82660b48a127b5f00cadd7282acb03c440f21dae5e2.exe File opened for modification \??\c:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_OEM_Perp3-pl.xrm-ms 704f1655ce9127d7aab6d82660b48a127b5f00cadd7282acb03c440f21dae5e2.exe File opened for modification \??\c:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusinessR_Retail-ul-oob.xrm-ms 704f1655ce9127d7aab6d82660b48a127b5f00cadd7282acb03c440f21dae5e2.exe File opened for modification \??\c:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.OData.Core.NetFX35.V7.dll 704f1655ce9127d7aab6d82660b48a127b5f00cadd7282acb03c440f21dae5e2.exe File opened for modification \??\c:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_Subscription4-pl.xrm-ms 704f1655ce9127d7aab6d82660b48a127b5f00cadd7282acb03c440f21dae5e2.exe File opened for modification \??\c:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.0\mscordaccore_amd64_amd64_8.0.23.53103.dll 704f1655ce9127d7aab6d82660b48a127b5f00cadd7282acb03c440f21dae5e2.exe File opened for modification \??\c:\Program Files\Microsoft Office\root\Office16\LogoImages\PowerPntLogoSmall.contrast-black_scale-180.png 704f1655ce9127d7aab6d82660b48a127b5f00cadd7282acb03c440f21dae5e2.exe File opened for modification \??\c:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-multibyte-l1-1-0.dll 704f1655ce9127d7aab6d82660b48a127b5f00cadd7282acb03c440f21dae5e2.exe File created \??\c:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\en\how_to_decrypt.hta 704f1655ce9127d7aab6d82660b48a127b5f00cadd7282acb03c440f21dae5e2.exe File opened for modification \??\c:\Program Files\Microsoft Office\root\Licenses16\Outlook2019VL_MAK_AE-ul-oob.xrm-ms 704f1655ce9127d7aab6d82660b48a127b5f00cadd7282acb03c440f21dae5e2.exe File opened for modification \??\c:\Program Files\Java\jdk-1.8\jre\bin\orbd.exe 704f1655ce9127d7aab6d82660b48a127b5f00cadd7282acb03c440f21dae5e2.exe File opened for modification \??\c:\Program Files\Microsoft Office\root\Licenses16\Publisher2019VL_MAK_AE-ul-phn.xrm-ms 704f1655ce9127d7aab6d82660b48a127b5f00cadd7282acb03c440f21dae5e2.exe File opened for modification \??\c:\Program Files\Microsoft Office\root\Licenses16\ProjectStd2019VL_KMS_Client_AE-ppd.xrm-ms 704f1655ce9127d7aab6d82660b48a127b5f00cadd7282acb03c440f21dae5e2.exe File created \??\c:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\THEMES16\EXPEDITN\how_to_decrypt.hta 704f1655ce9127d7aab6d82660b48a127b5f00cadd7282acb03c440f21dae5e2.exe File opened for modification \??\c:\Program Files\Microsoft Office\root\vreg\office32ww.msi.16.x-none.vreg.dat 704f1655ce9127d7aab6d82660b48a127b5f00cadd7282acb03c440f21dae5e2.exe File opened for modification \??\c:\Program Files\Microsoft Office\root\Licenses16\PowerPoint2019VL_KMS_Client_AE-ul.xrm-ms 704f1655ce9127d7aab6d82660b48a127b5f00cadd7282acb03c440f21dae5e2.exe File opened for modification \??\c:\Program Files\Microsoft Office\root\Licenses16\PublisherR_Grace-ul-oob.xrm-ms 704f1655ce9127d7aab6d82660b48a127b5f00cadd7282acb03c440f21dae5e2.exe File opened for modification \??\c:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.OAuth.dll 704f1655ce9127d7aab6d82660b48a127b5f00cadd7282acb03c440f21dae5e2.exe File opened for modification \??\c:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection64.exe 704f1655ce9127d7aab6d82660b48a127b5f00cadd7282acb03c440f21dae5e2.exe File opened for modification \??\c:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.25\System.Text.RegularExpressions.dll 704f1655ce9127d7aab6d82660b48a127b5f00cadd7282acb03c440f21dae5e2.exe File opened for modification \??\c:\Program Files\Mozilla Firefox\uninstall\shortcuts_log.ini 704f1655ce9127d7aab6d82660b48a127b5f00cadd7282acb03c440f21dae5e2.exe File opened for modification \??\c:\Program Files\Java\jre-1.8\lib\security\policy\limited\US_export_policy.jar 704f1655ce9127d7aab6d82660b48a127b5f00cadd7282acb03c440f21dae5e2.exe File opened for modification \??\c:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.0\System.Reflection.Emit.ILGeneration.dll 704f1655ce9127d7aab6d82660b48a127b5f00cadd7282acb03c440f21dae5e2.exe File opened for modification \??\c:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\api-ms-win-crt-stdio-l1-1-0.dll 704f1655ce9127d7aab6d82660b48a127b5f00cadd7282acb03c440f21dae5e2.exe File created \??\c:\Program Files\Common Files\microsoft shared\OFFICE16\how_to_decrypt.hta 704f1655ce9127d7aab6d82660b48a127b5f00cadd7282acb03c440f21dae5e2.exe File created \??\c:\Program Files\Java\jdk-1.8\jre\lib\cmm\how_to_decrypt.hta 704f1655ce9127d7aab6d82660b48a127b5f00cadd7282acb03c440f21dae5e2.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\704f1655ce9127d7aab6d82660b48a127b5f00cadd7282acb03c440f21dae5e2.exe"C:\Users\Admin\AppData\Local\Temp\704f1655ce9127d7aab6d82660b48a127b5f00cadd7282acb03c440f21dae5e2.exe"1⤵
- Adds Run key to start application
- Drops desktop.ini file(s)
- Drops file in Program Files directory
PID:2456
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
11KB
MD544b05dffb3a7a7824a5672b4f2462dd7
SHA174a7c83d6fd385be4cc5c589babb67e54d937c86
SHA256d487449fd744a4ae575d4f0d1da1bc5957fb5f1dfbb17cc9676d45e57e3fbf00
SHA512c4093d4ffa7a0e42119f1e60ed996e2eff6df610496e94cc7e24465f9a9f59974b5a7c778f3d9215a1c30a2d50ca98aa6cceab30373c3b3b370bbe945fff65c1