Analysis
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max time kernel
64s -
max time network
151s -
platform
windows10-1703_x64 -
resource
win10-20231215-en -
resource tags
arch:x64arch:x86image:win10-20231215-enlocale:en-usos:windows10-1703-x64system -
submitted
21-01-2024 14:53
Behavioral task
behavioral1
Sample
8cbe32f31befe7c4169f25614afd1778006e4bda6c6091531bc7b4ff4bf62376.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
8cbe32f31befe7c4169f25614afd1778006e4bda6c6091531bc7b4ff4bf62376.exe
Resource
win10-20231215-en
Behavioral task
behavioral3
Sample
8cbe32f31befe7c4169f25614afd1778006e4bda6c6091531bc7b4ff4bf62376.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral4
Sample
8cbe32f31befe7c4169f25614afd1778006e4bda6c6091531bc7b4ff4bf62376.exe
Resource
win11-20231215-en
General
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Target
8cbe32f31befe7c4169f25614afd1778006e4bda6c6091531bc7b4ff4bf62376.exe
-
Size
1.1MB
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MD5
eb9fdc083164c0cead39fecaad9aafb4
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SHA1
19c8782165f56d4153658da5f88f9edd14ae2022
-
SHA256
8cbe32f31befe7c4169f25614afd1778006e4bda6c6091531bc7b4ff4bf62376
-
SHA512
c4c54de23730f5265d29372c21f4f2212a0204f9b83d7fba5dacb0578fbe9f1c95e7521ff892364253f0cd8f4cfbf5befbef387af942714eb4b1b983b0258603
-
SSDEEP
24576:2Y5sZYIcpO4Y4w+xEjN7oQr+O+uvjx8t2mEdp:/Y4470JYj+kmEf
Malware Config
Signatures
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Detects Trigona ransomware 13 IoCs
Processes:
resource yara_rule behavioral2/memory/3380-0-0x0000000000400000-0x0000000000526000-memory.dmp family_trigona behavioral2/memory/3380-1-0x0000000000400000-0x0000000000526000-memory.dmp family_trigona behavioral2/memory/3380-2-0x0000000000400000-0x0000000000526000-memory.dmp family_trigona behavioral2/memory/3380-209-0x0000000000400000-0x0000000000526000-memory.dmp family_trigona behavioral2/memory/3380-850-0x0000000000400000-0x0000000000526000-memory.dmp family_trigona behavioral2/memory/3380-854-0x0000000000400000-0x0000000000526000-memory.dmp family_trigona behavioral2/memory/3380-1466-0x0000000000400000-0x0000000000526000-memory.dmp family_trigona behavioral2/memory/3380-2064-0x0000000000400000-0x0000000000526000-memory.dmp family_trigona behavioral2/memory/3380-8161-0x0000000000400000-0x0000000000526000-memory.dmp family_trigona behavioral2/memory/3380-9920-0x0000000000400000-0x0000000000526000-memory.dmp family_trigona behavioral2/memory/3380-12507-0x0000000000400000-0x0000000000526000-memory.dmp family_trigona behavioral2/memory/3380-14086-0x0000000000400000-0x0000000000526000-memory.dmp family_trigona behavioral2/memory/3380-15953-0x0000000000400000-0x0000000000526000-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
Processes:
8cbe32f31befe7c4169f25614afd1778006e4bda6c6091531bc7b4ff4bf62376.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-655921741-723621465-1580683668-1000\Software\Microsoft\Windows\CurrentVersion\Run\102554A03B2C2C58368FB10C234AC941 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\8cbe32f31befe7c4169f25614afd1778006e4bda6c6091531bc7b4ff4bf62376.exe" 8cbe32f31befe7c4169f25614afd1778006e4bda6c6091531bc7b4ff4bf62376.exe -
Creates a large amount of network flows 1 TTPs
This may indicate a network scan to discover remotely running services.
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Drops desktop.ini file(s) 1 IoCs
Processes:
8cbe32f31befe7c4169f25614afd1778006e4bda6c6091531bc7b4ff4bf62376.exedescription ioc process File opened for modification F:\$RECYCLE.BIN\S-1-5-21-655921741-723621465-1580683668-1000\desktop.ini 8cbe32f31befe7c4169f25614afd1778006e4bda6c6091531bc7b4ff4bf62376.exe -
Drops file in Program Files directory 64 IoCs
Processes:
8cbe32f31befe7c4169f25614afd1778006e4bda6c6091531bc7b4ff4bf62376.exedescription ioc process File created \??\c:\Program Files\Microsoft Office\root\Office16\ADDINS\EduWorks Data Streamer Add-In\how_to_decrypt.hta 8cbe32f31befe7c4169f25614afd1778006e4bda6c6091531bc7b4ff4bf62376.exe File created \??\c:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Web Server Extensions\16\BIN\how_to_decrypt.hta 8cbe32f31befe7c4169f25614afd1778006e4bda6c6091531bc7b4ff4bf62376.exe File created \??\c:\Program Files\WindowsApps\Microsoft.BingWeather_4.18.56.0_neutral_split.scale-150_8wekyb3d8bbwe\microsoft.system.package.metadata\how_to_decrypt.hta 8cbe32f31befe7c4169f25614afd1778006e4bda6c6091531bc7b4ff4bf62376.exe File created \??\c:\Program Files\WindowsApps\Microsoft.MicrosoftOfficeHub_17.8010.5926.0_x64__8wekyb3d8bbwe\Office16\how_to_decrypt.hta 8cbe32f31befe7c4169f25614afd1778006e4bda6c6091531bc7b4ff4bf62376.exe File created \??\c:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Analysis Services\AS OLEDB\140\Cartridges\how_to_decrypt.hta 8cbe32f31befe7c4169f25614afd1778006e4bda6c6091531bc7b4ff4bf62376.exe File created \??\c:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5\de\how_to_decrypt.hta 8cbe32f31befe7c4169f25614afd1778006e4bda6c6091531bc7b4ff4bf62376.exe File created \??\c:\Program Files\VideoLAN\VLC\locale\as_IN\LC_MESSAGES\how_to_decrypt.hta 8cbe32f31befe7c4169f25614afd1778006e4bda6c6091531bc7b4ff4bf62376.exe File created \??\c:\Program Files\VideoLAN\VLC\locale\ta\LC_MESSAGES\how_to_decrypt.hta 8cbe32f31befe7c4169f25614afd1778006e4bda6c6091531bc7b4ff4bf62376.exe File created \??\c:\Program Files\Common Files\microsoft shared\ink\tr-TR\how_to_decrypt.hta 8cbe32f31befe7c4169f25614afd1778006e4bda6c6091531bc7b4ff4bf62376.exe File created \??\c:\Program Files\VideoLAN\VLC\plugins\video_output\how_to_decrypt.hta 8cbe32f31befe7c4169f25614afd1778006e4bda6c6091531bc7b4ff4bf62376.exe File created \??\c:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.10252.0_neutral_split.scale-125_8wekyb3d8bbwe\Assets\contrast-white\how_to_decrypt.hta 8cbe32f31befe7c4169f25614afd1778006e4bda6c6091531bc7b4ff4bf62376.exe File created \??\c:\Program Files\Java\jdk-1.8\jre\lib\amd64\how_to_decrypt.hta 8cbe32f31befe7c4169f25614afd1778006e4bda6c6091531bc7b4ff4bf62376.exe File created \??\c:\Program Files\Microsoft Office\root\Office16\MSIPC\cs\how_to_decrypt.hta 8cbe32f31befe7c4169f25614afd1778006e4bda6c6091531bc7b4ff4bf62376.exe File created \??\c:\Program Files\WindowsApps\Microsoft.3DBuilder_13.0.10349.0_neutral_~_8wekyb3d8bbwe\microsoft.system.package.metadata\how_to_decrypt.hta 8cbe32f31befe7c4169f25614afd1778006e4bda6c6091531bc7b4ff4bf62376.exe File created \??\c:\Program Files\WindowsApps\Microsoft.3DBuilder_13.0.10349.0_neutral_split.scale-140_8wekyb3d8bbwe\Assets\how_to_decrypt.hta 8cbe32f31befe7c4169f25614afd1778006e4bda6c6091531bc7b4ff4bf62376.exe File created \??\c:\Program Files\Java\jdk-1.8\jre\lib\security\how_to_decrypt.hta 8cbe32f31befe7c4169f25614afd1778006e4bda6c6091531bc7b4ff4bf62376.exe File created \??\c:\Program Files\Microsoft Office\root\vfs\ProgramFilesX64\Microsoft Analysis Services\how_to_decrypt.hta 8cbe32f31befe7c4169f25614afd1778006e4bda6c6091531bc7b4ff4bf62376.exe File created \??\c:\Program Files\Reference Assemblies\Microsoft\Framework\v3.0\RedistList\how_to_decrypt.hta 8cbe32f31befe7c4169f25614afd1778006e4bda6c6091531bc7b4ff4bf62376.exe File created \??\c:\Program Files\VideoLAN\VLC\locale\it\LC_MESSAGES\how_to_decrypt.hta 8cbe32f31befe7c4169f25614afd1778006e4bda6c6091531bc7b4ff4bf62376.exe File created \??\c:\Program Files\VideoLAN\VLC\locale\pt_BR\LC_MESSAGES\how_to_decrypt.hta 8cbe32f31befe7c4169f25614afd1778006e4bda6c6091531bc7b4ff4bf62376.exe File created \??\c:\Program Files\Google\Chrome\Application\106.0.5249.119\default_apps\how_to_decrypt.hta 8cbe32f31befe7c4169f25614afd1778006e4bda6c6091531bc7b4ff4bf62376.exe File created \??\c:\Program Files\Google\Chrome\Application\106.0.5249.119\WidevineCdm\how_to_decrypt.hta 8cbe32f31befe7c4169f25614afd1778006e4bda6c6091531bc7b4ff4bf62376.exe File created \??\c:\Program Files\Java\jdk-1.8\jre\lib\security\policy\how_to_decrypt.hta 8cbe32f31befe7c4169f25614afd1778006e4bda6c6091531bc7b4ff4bf62376.exe File created \??\c:\Program Files\WindowsApps\Microsoft.Advertising.Xaml_10.0.1605.0_x86__8wekyb3d8bbwe\AppxMetadata\how_to_decrypt.hta 8cbe32f31befe7c4169f25614afd1778006e4bda6c6091531bc7b4ff4bf62376.exe File created \??\c:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.10252.0_x64__8wekyb3d8bbwe\Assets\contrast-white\how_to_decrypt.hta 8cbe32f31befe7c4169f25614afd1778006e4bda6c6091531bc7b4ff4bf62376.exe File created \??\c:\Program Files\Internet Explorer\it-IT\how_to_decrypt.hta 8cbe32f31befe7c4169f25614afd1778006e4bda6c6091531bc7b4ff4bf62376.exe File created \??\c:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\THEMES16\IRIS\how_to_decrypt.hta 8cbe32f31befe7c4169f25614afd1778006e4bda6c6091531bc7b4ff4bf62376.exe File created \??\c:\Program Files\Windows Media Player\es-ES\how_to_decrypt.hta 8cbe32f31befe7c4169f25614afd1778006e4bda6c6091531bc7b4ff4bf62376.exe File created \??\c:\Program Files\WindowsApps\Microsoft.Getstarted_4.5.6.0_neutral_~_8wekyb3d8bbwe\AppxMetadata\how_to_decrypt.hta 8cbe32f31befe7c4169f25614afd1778006e4bda6c6091531bc7b4ff4bf62376.exe File created \??\c:\Program Files\VideoLAN\VLC\locale\de\LC_MESSAGES\how_to_decrypt.hta 8cbe32f31befe7c4169f25614afd1778006e4bda6c6091531bc7b4ff4bf62376.exe File created \??\c:\Program Files\VideoLAN\VLC\locale\fr\LC_MESSAGES\how_to_decrypt.hta 8cbe32f31befe7c4169f25614afd1778006e4bda6c6091531bc7b4ff4bf62376.exe File created \??\c:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\keypad\how_to_decrypt.hta 8cbe32f31befe7c4169f25614afd1778006e4bda6c6091531bc7b4ff4bf62376.exe File created \??\c:\Program Files\Java\jdk-1.8\jre\bin\dtplugin\how_to_decrypt.hta 8cbe32f31befe7c4169f25614afd1778006e4bda6c6091531bc7b4ff4bf62376.exe File created \??\c:\Program Files\Java\jdk-1.8\jre\legal\jdk\how_to_decrypt.hta 8cbe32f31befe7c4169f25614afd1778006e4bda6c6091531bc7b4ff4bf62376.exe File created \??\c:\Program Files\Java\jre-1.8\bin\dtplugin\how_to_decrypt.hta 8cbe32f31befe7c4169f25614afd1778006e4bda6c6091531bc7b4ff4bf62376.exe File created \??\c:\Program Files\VideoLAN\VLC\locale\an\LC_MESSAGES\how_to_decrypt.hta 8cbe32f31befe7c4169f25614afd1778006e4bda6c6091531bc7b4ff4bf62376.exe File created \??\c:\Program Files\Microsoft Office\root\Office16\MSIPC\th\how_to_decrypt.hta 8cbe32f31befe7c4169f25614afd1778006e4bda6c6091531bc7b4ff4bf62376.exe File created \??\c:\Program Files\Windows Photo Viewer\fr-FR\how_to_decrypt.hta 8cbe32f31befe7c4169f25614afd1778006e4bda6c6091531bc7b4ff4bf62376.exe File created \??\c:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.10252.0_neutral_split.scale-100_8wekyb3d8bbwe\microsoft.system.package.metadata\how_to_decrypt.hta 8cbe32f31befe7c4169f25614afd1778006e4bda6c6091531bc7b4ff4bf62376.exe File created \??\c:\Program Files\WindowsApps\Microsoft.Messaging_3.26.24002.0_neutral_split.scale-150_8wekyb3d8bbwe\how_to_decrypt.hta 8cbe32f31befe7c4169f25614afd1778006e4bda6c6091531bc7b4ff4bf62376.exe File created \??\c:\Program Files\Microsoft Office\root\Office16\MSIPC\et\how_to_decrypt.hta 8cbe32f31befe7c4169f25614afd1778006e4bda6c6091531bc7b4ff4bf62376.exe File created \??\c:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\1033\how_to_decrypt.hta 8cbe32f31befe7c4169f25614afd1778006e4bda6c6091531bc7b4ff4bf62376.exe File created \??\c:\Program Files\Uninstall Information\how_to_decrypt.hta 8cbe32f31befe7c4169f25614afd1778006e4bda6c6091531bc7b4ff4bf62376.exe File created \??\c:\Program Files\VideoLAN\VLC\locale\he\how_to_decrypt.hta 8cbe32f31befe7c4169f25614afd1778006e4bda6c6091531bc7b4ff4bf62376.exe File created \??\c:\Program Files\WindowsApps\Microsoft.BingWeather_4.18.56.0_x64__8wekyb3d8bbwe\_Resources\how_to_decrypt.hta 8cbe32f31befe7c4169f25614afd1778006e4bda6c6091531bc7b4ff4bf62376.exe File created \??\c:\Program Files\WindowsApps\Microsoft.Getstarted_4.5.6.0_x64__8wekyb3d8bbwe\AppxMetadata\how_to_decrypt.hta 8cbe32f31befe7c4169f25614afd1778006e4bda6c6091531bc7b4ff4bf62376.exe File created \??\c:\Program Files\VideoLAN\VLC\locale\kn\LC_MESSAGES\how_to_decrypt.hta 8cbe32f31befe7c4169f25614afd1778006e4bda6c6091531bc7b4ff4bf62376.exe File created \??\c:\Program Files\Java\jre-1.8\lib\deploy\how_to_decrypt.hta 8cbe32f31befe7c4169f25614afd1778006e4bda6c6091531bc7b4ff4bf62376.exe File created \??\c:\Program Files\Microsoft Office\root\Office16\MSIPC\en-us\how_to_decrypt.hta 8cbe32f31befe7c4169f25614afd1778006e4bda6c6091531bc7b4ff4bf62376.exe File created \??\c:\Program Files\Microsoft Office\root\Office16\MSIPC\es\how_to_decrypt.hta 8cbe32f31befe7c4169f25614afd1778006e4bda6c6091531bc7b4ff4bf62376.exe File created \??\c:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Smart Tag\how_to_decrypt.hta 8cbe32f31befe7c4169f25614afd1778006e4bda6c6091531bc7b4ff4bf62376.exe File created \??\c:\Program Files\VideoLAN\VLC\locale\af\how_to_decrypt.hta 8cbe32f31befe7c4169f25614afd1778006e4bda6c6091531bc7b4ff4bf62376.exe File created \??\c:\Program Files\Windows Defender\en-US\how_to_decrypt.hta 8cbe32f31befe7c4169f25614afd1778006e4bda6c6091531bc7b4ff4bf62376.exe File created \??\c:\Program Files\Common Files\microsoft shared\ink\how_to_decrypt.hta 8cbe32f31befe7c4169f25614afd1778006e4bda6c6091531bc7b4ff4bf62376.exe File created \??\c:\Program Files\Common Files\System\en-US\how_to_decrypt.hta 8cbe32f31befe7c4169f25614afd1778006e4bda6c6091531bc7b4ff4bf62376.exe File created \??\c:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\THEMES16\QUAD\how_to_decrypt.hta 8cbe32f31befe7c4169f25614afd1778006e4bda6c6091531bc7b4ff4bf62376.exe File created \??\c:\Program Files\VideoLAN\VLC\locale\kk\LC_MESSAGES\how_to_decrypt.hta 8cbe32f31befe7c4169f25614afd1778006e4bda6c6091531bc7b4ff4bf62376.exe File created \??\c:\Program Files\VideoLAN\VLC\plugins\stream_extractor\how_to_decrypt.hta 8cbe32f31befe7c4169f25614afd1778006e4bda6c6091531bc7b4ff4bf62376.exe File created \??\c:\Program Files\VideoLAN\VLC\locale\ks_IN\LC_MESSAGES\how_to_decrypt.hta 8cbe32f31befe7c4169f25614afd1778006e4bda6c6091531bc7b4ff4bf62376.exe File created \??\c:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\oskpred\how_to_decrypt.hta 8cbe32f31befe7c4169f25614afd1778006e4bda6c6091531bc7b4ff4bf62376.exe File created \??\c:\Program Files\Microsoft Office\root\Office16\FPA_FA000000011\how_to_decrypt.hta 8cbe32f31befe7c4169f25614afd1778006e4bda6c6091531bc7b4ff4bf62376.exe File created \??\c:\Program Files\Microsoft Office\root\Office16\MSIPC\how_to_decrypt.hta 8cbe32f31befe7c4169f25614afd1778006e4bda6c6091531bc7b4ff4bf62376.exe File created \??\c:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\THEMES16\EVRGREEN\how_to_decrypt.hta 8cbe32f31befe7c4169f25614afd1778006e4bda6c6091531bc7b4ff4bf62376.exe File created \??\c:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\OFFICE16\1033\how_to_decrypt.hta 8cbe32f31befe7c4169f25614afd1778006e4bda6c6091531bc7b4ff4bf62376.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\8cbe32f31befe7c4169f25614afd1778006e4bda6c6091531bc7b4ff4bf62376.exe"C:\Users\Admin\AppData\Local\Temp\8cbe32f31befe7c4169f25614afd1778006e4bda6c6091531bc7b4ff4bf62376.exe"1⤵
- Adds Run key to start application
- Drops desktop.ini file(s)
- Drops file in Program Files directory
PID:3380
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
2KB
MD5920504387a2452d236188020f0da6798
SHA1765e71cd8e476bc3eb115ffe73acf5d5b78450c7
SHA256ea56d65c3a0640b5d1f75021362f420e99087b61088fd4c546f4da8e16a36c56
SHA512d9abc103be71ac759baaf41a68275aafac4dfcd65b2779cd8a0527b1d829492de1eb509fb39398587715790491826c9171af676204ba8cbe7e059ab7eda6cc30
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Filesize
12KB
MD557e2379bc6ff046542891b9af81dea2f
SHA12cb0f2ca068673b0a625437cc4a28fe2a278157a
SHA2561a07fb2de58e996ff8da6463d085816f80dc1e744072aad76f718695faf03478
SHA512a96c917034bc281e576afcb69367a3fc4573920a75f0d0b42ce9b3e18f481f4c086df1b5062b4d706037082a9a4d55258b6668399a27c9c92ccfb212fee5aa76