Analysis
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max time kernel
67s -
max time network
151s -
platform
windows10-1703_x64 -
resource
win10-20231220-en -
resource tags
arch:x64arch:x86image:win10-20231220-enlocale:en-usos:windows10-1703-x64system -
submitted
21-01-2024 14:54
Behavioral task
behavioral1
Sample
8804d34b7cf7bd2fc6e20c0dc27da287cee9fccbc52a5630c4752f9cfc6d6cd0.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
8804d34b7cf7bd2fc6e20c0dc27da287cee9fccbc52a5630c4752f9cfc6d6cd0.exe
Resource
win10-20231220-en
Behavioral task
behavioral3
Sample
8804d34b7cf7bd2fc6e20c0dc27da287cee9fccbc52a5630c4752f9cfc6d6cd0.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral4
Sample
8804d34b7cf7bd2fc6e20c0dc27da287cee9fccbc52a5630c4752f9cfc6d6cd0.exe
Resource
win11-20231222-en
General
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Target
8804d34b7cf7bd2fc6e20c0dc27da287cee9fccbc52a5630c4752f9cfc6d6cd0.exe
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Size
1.1MB
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MD5
1cd4ab809fb2a9eebb801ab9c9d4a545
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SHA1
ce4f4ba93ec1adf8b5c3bac8552fbafd8dcddf27
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SHA256
8804d34b7cf7bd2fc6e20c0dc27da287cee9fccbc52a5630c4752f9cfc6d6cd0
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SHA512
db0476d3193a89104c116805eb34be5ea46774d77745b1e1ecfe48ec5a573e96150e9e48fcd630384c9bb88847ef12b46bd124b4b8ef1a072be4c1b319a76264
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SSDEEP
12288:CU5s41o+T7VmjE2Tz23vxO3jWhn370VPWJFwBybD3Y5WrxqnuskDq4:t5swNmjEoujhn3wVPWJFwEQWV+u75
Malware Config
Signatures
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Detects Trigona ransomware 13 IoCs
Processes:
resource yara_rule behavioral2/memory/4104-0-0x0000000000400000-0x0000000000526000-memory.dmp family_trigona behavioral2/memory/4104-1-0x0000000000400000-0x0000000000526000-memory.dmp family_trigona behavioral2/memory/4104-2-0x0000000000400000-0x0000000000526000-memory.dmp family_trigona behavioral2/memory/4104-7-0x0000000000400000-0x0000000000526000-memory.dmp family_trigona behavioral2/memory/4104-835-0x0000000000400000-0x0000000000526000-memory.dmp family_trigona behavioral2/memory/4104-836-0x0000000000400000-0x0000000000526000-memory.dmp family_trigona behavioral2/memory/4104-841-0x0000000000400000-0x0000000000526000-memory.dmp family_trigona behavioral2/memory/4104-1207-0x0000000000400000-0x0000000000526000-memory.dmp family_trigona behavioral2/memory/4104-4336-0x0000000000400000-0x0000000000526000-memory.dmp family_trigona behavioral2/memory/4104-9429-0x0000000000400000-0x0000000000526000-memory.dmp family_trigona behavioral2/memory/4104-10771-0x0000000000400000-0x0000000000526000-memory.dmp family_trigona behavioral2/memory/4104-10772-0x0000000000400000-0x0000000000526000-memory.dmp family_trigona behavioral2/memory/4104-10773-0x0000000000400000-0x0000000000526000-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:
8804d34b7cf7bd2fc6e20c0dc27da287cee9fccbc52a5630c4752f9cfc6d6cd0.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1775739321-368907234-981748298-1000\Software\Microsoft\Windows\CurrentVersion\Run\EEB9D700ED91F57255D1B6187EEB4BFD = "C:\\Users\\Admin\\AppData\\Local\\Temp\\8804d34b7cf7bd2fc6e20c0dc27da287cee9fccbc52a5630c4752f9cfc6d6cd0.exe" 8804d34b7cf7bd2fc6e20c0dc27da287cee9fccbc52a5630c4752f9cfc6d6cd0.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:
8804d34b7cf7bd2fc6e20c0dc27da287cee9fccbc52a5630c4752f9cfc6d6cd0.exedescription ioc process File opened for modification F:\$RECYCLE.BIN\S-1-5-21-1775739321-368907234-981748298-1000\desktop.ini 8804d34b7cf7bd2fc6e20c0dc27da287cee9fccbc52a5630c4752f9cfc6d6cd0.exe -
Drops file in Program Files directory 64 IoCs
Processes:
8804d34b7cf7bd2fc6e20c0dc27da287cee9fccbc52a5630c4752f9cfc6d6cd0.exedescription ioc process File created \??\c:\Program Files\Common Files\System\Ole DB\it-IT\how_to_decrypt.hta 8804d34b7cf7bd2fc6e20c0dc27da287cee9fccbc52a5630c4752f9cfc6d6cd0.exe File created \??\c:\Program Files\Microsoft Office\root\Office16\ODBC Drivers\how_to_decrypt.hta 8804d34b7cf7bd2fc6e20c0dc27da287cee9fccbc52a5630c4752f9cfc6d6cd0.exe File created \??\c:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\THEMES16\DEEPBLUE\how_to_decrypt.hta 8804d34b7cf7bd2fc6e20c0dc27da287cee9fccbc52a5630c4752f9cfc6d6cd0.exe File created \??\c:\Program Files\Windows Defender\Offline\how_to_decrypt.hta 8804d34b7cf7bd2fc6e20c0dc27da287cee9fccbc52a5630c4752f9cfc6d6cd0.exe File created \??\c:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.WindowsFeedbackHub_1.1612.10312.0_neutral_split.scale-125_8wekyb3d8bbwe\how_to_decrypt.hta 8804d34b7cf7bd2fc6e20c0dc27da287cee9fccbc52a5630c4752f9cfc6d6cd0.exe File created \??\c:\Program Files\Windows Media Player\it-IT\how_to_decrypt.hta 8804d34b7cf7bd2fc6e20c0dc27da287cee9fccbc52a5630c4752f9cfc6d6cd0.exe File created \??\c:\Program Files\Microsoft Office\root\Office16\Document Parts\1033\16\how_to_decrypt.hta 8804d34b7cf7bd2fc6e20c0dc27da287cee9fccbc52a5630c4752f9cfc6d6cd0.exe File created \??\c:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\THEMES16\RADIAL\how_to_decrypt.hta 8804d34b7cf7bd2fc6e20c0dc27da287cee9fccbc52a5630c4752f9cfc6d6cd0.exe File created \??\c:\Program Files\VideoLAN\VLC\locale\es\how_to_decrypt.hta 8804d34b7cf7bd2fc6e20c0dc27da287cee9fccbc52a5630c4752f9cfc6d6cd0.exe File created \??\c:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.WindowsMaps_5.1611.10393.0_neutral_split.scale-125_8wekyb3d8bbwe\Assets\Images\how_to_decrypt.hta 8804d34b7cf7bd2fc6e20c0dc27da287cee9fccbc52a5630c4752f9cfc6d6cd0.exe File created \??\c:\Program Files\WindowsApps\Microsoft.Getstarted_4.5.6.0_x64__8wekyb3d8bbwe\Content\holoLens\en-US\how_to_decrypt.hta 8804d34b7cf7bd2fc6e20c0dc27da287cee9fccbc52a5630c4752f9cfc6d6cd0.exe File created \??\c:\Program Files\Microsoft Office\root\Office16\MSIPC\nl\how_to_decrypt.hta 8804d34b7cf7bd2fc6e20c0dc27da287cee9fccbc52a5630c4752f9cfc6d6cd0.exe File created \??\c:\Program Files\Microsoft Office\root\Office16\ODBC Drivers\Redshift\lib\how_to_decrypt.hta 8804d34b7cf7bd2fc6e20c0dc27da287cee9fccbc52a5630c4752f9cfc6d6cd0.exe File created \??\c:\Program Files\Microsoft Office\root\Office16\PAGESIZE\how_to_decrypt.hta 8804d34b7cf7bd2fc6e20c0dc27da287cee9fccbc52a5630c4752f9cfc6d6cd0.exe File created \??\c:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000042\assets\assets\how_to_decrypt.hta 8804d34b7cf7bd2fc6e20c0dc27da287cee9fccbc52a5630c4752f9cfc6d6cd0.exe File created \??\c:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\THEMES16\ECLIPSE\how_to_decrypt.hta 8804d34b7cf7bd2fc6e20c0dc27da287cee9fccbc52a5630c4752f9cfc6d6cd0.exe File created \??\c:\Program Files\Microsoft Office\Updates\Download\PackageFiles\how_to_decrypt.hta 8804d34b7cf7bd2fc6e20c0dc27da287cee9fccbc52a5630c4752f9cfc6d6cd0.exe File created \??\c:\Program Files\VideoLAN\VLC\plugins\stream_filter\how_to_decrypt.hta 8804d34b7cf7bd2fc6e20c0dc27da287cee9fccbc52a5630c4752f9cfc6d6cd0.exe File created \??\c:\Program Files\VideoLAN\VLC\locale\ug\LC_MESSAGES\how_to_decrypt.hta 8804d34b7cf7bd2fc6e20c0dc27da287cee9fccbc52a5630c4752f9cfc6d6cd0.exe File created \??\c:\Program Files\VideoLAN\VLC\plugins\visualization\how_to_decrypt.hta 8804d34b7cf7bd2fc6e20c0dc27da287cee9fccbc52a5630c4752f9cfc6d6cd0.exe File created \??\c:\Program Files\VideoLAN\VLC\locale\nl\how_to_decrypt.hta 8804d34b7cf7bd2fc6e20c0dc27da287cee9fccbc52a5630c4752f9cfc6d6cd0.exe File created \??\c:\Program Files\VideoLAN\VLC\locale\ru\LC_MESSAGES\how_to_decrypt.hta 8804d34b7cf7bd2fc6e20c0dc27da287cee9fccbc52a5630c4752f9cfc6d6cd0.exe File created \??\c:\Program Files\VideoLAN\VLC\locale\wa\LC_MESSAGES\how_to_decrypt.hta 8804d34b7cf7bd2fc6e20c0dc27da287cee9fccbc52a5630c4752f9cfc6d6cd0.exe File created \??\c:\Program Files\Common Files\microsoft shared\ink\uk-UA\how_to_decrypt.hta 8804d34b7cf7bd2fc6e20c0dc27da287cee9fccbc52a5630c4752f9cfc6d6cd0.exe File created \??\c:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\en\how_to_decrypt.hta 8804d34b7cf7bd2fc6e20c0dc27da287cee9fccbc52a5630c4752f9cfc6d6cd0.exe File created \??\c:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\THEMES16\CAPSULES\how_to_decrypt.hta 8804d34b7cf7bd2fc6e20c0dc27da287cee9fccbc52a5630c4752f9cfc6d6cd0.exe File created \??\c:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\THEMES16\QUAD\how_to_decrypt.hta 8804d34b7cf7bd2fc6e20c0dc27da287cee9fccbc52a5630c4752f9cfc6d6cd0.exe File created \??\c:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.People_10.1.10531.0_neutral_split.scale-125_8wekyb3d8bbwe\Assets\contrast-black\how_to_decrypt.hta 8804d34b7cf7bd2fc6e20c0dc27da287cee9fccbc52a5630c4752f9cfc6d6cd0.exe File created \??\c:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.WindowsMaps_5.1611.10393.0_neutral_split.scale-125_8wekyb3d8bbwe\Assets\SecondaryTiles\Directions\Car\LTR\contrast-white\how_to_decrypt.hta 8804d34b7cf7bd2fc6e20c0dc27da287cee9fccbc52a5630c4752f9cfc6d6cd0.exe File created \??\c:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.10252.0_neutral_split.scale-100_8wekyb3d8bbwe\Assets\contrast-white\how_to_decrypt.hta 8804d34b7cf7bd2fc6e20c0dc27da287cee9fccbc52a5630c4752f9cfc6d6cd0.exe File created \??\c:\Program Files\VideoLAN\VLC\plugins\spu\how_to_decrypt.hta 8804d34b7cf7bd2fc6e20c0dc27da287cee9fccbc52a5630c4752f9cfc6d6cd0.exe File created \??\c:\Program Files\Windows Defender Advanced Threat Protection\fr-FR\how_to_decrypt.hta 8804d34b7cf7bd2fc6e20c0dc27da287cee9fccbc52a5630c4752f9cfc6d6cd0.exe File created \??\c:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.WindowsMaps_5.1611.10393.0_neutral_split.scale-125_8wekyb3d8bbwe\Assets\SecondaryTiles\Directions\Car\RTL\contrast-white\how_to_decrypt.hta 8804d34b7cf7bd2fc6e20c0dc27da287cee9fccbc52a5630c4752f9cfc6d6cd0.exe File created \??\c:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000027\assets\how_to_decrypt.hta 8804d34b7cf7bd2fc6e20c0dc27da287cee9fccbc52a5630c4752f9cfc6d6cd0.exe File created \??\c:\Program Files\VideoLAN\VLC\locale\kn\LC_MESSAGES\how_to_decrypt.hta 8804d34b7cf7bd2fc6e20c0dc27da287cee9fccbc52a5630c4752f9cfc6d6cd0.exe File created \??\c:\Program Files\Windows Multimedia Platform\how_to_decrypt.hta 8804d34b7cf7bd2fc6e20c0dc27da287cee9fccbc52a5630c4752f9cfc6d6cd0.exe File created \??\c:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.WindowsFeedbackHub_1.1612.10312.0_neutral_split.scale-125_8wekyb3d8bbwe\microsoft.system.package.metadata\how_to_decrypt.hta 8804d34b7cf7bd2fc6e20c0dc27da287cee9fccbc52a5630c4752f9cfc6d6cd0.exe File created \??\c:\Program Files\Microsoft Office\root\Office16\MSIPC\sr-Cyrl-BA\how_to_decrypt.hta 8804d34b7cf7bd2fc6e20c0dc27da287cee9fccbc52a5630c4752f9cfc6d6cd0.exe File created \??\c:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\THEMES16\CANYON\how_to_decrypt.hta 8804d34b7cf7bd2fc6e20c0dc27da287cee9fccbc52a5630c4752f9cfc6d6cd0.exe File created \??\c:\Program Files\WindowsApps\Microsoft.3DBuilder_13.0.10349.0_x64__8wekyb3d8bbwe\Assets\contrast-black\how_to_decrypt.hta 8804d34b7cf7bd2fc6e20c0dc27da287cee9fccbc52a5630c4752f9cfc6d6cd0.exe File created \??\c:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_1.1702.21039.0_x64__8wekyb3d8bbwe\microsoft.system.package.metadata\how_to_decrypt.hta 8804d34b7cf7bd2fc6e20c0dc27da287cee9fccbc52a5630c4752f9cfc6d6cd0.exe File created \??\c:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\insert\how_to_decrypt.hta 8804d34b7cf7bd2fc6e20c0dc27da287cee9fccbc52a5630c4752f9cfc6d6cd0.exe File created \??\c:\Program Files\Internet Explorer\es-ES\how_to_decrypt.hta 8804d34b7cf7bd2fc6e20c0dc27da287cee9fccbc52a5630c4752f9cfc6d6cd0.exe File created \??\c:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\THEMES16\ECHO\how_to_decrypt.hta 8804d34b7cf7bd2fc6e20c0dc27da287cee9fccbc52a5630c4752f9cfc6d6cd0.exe File created \??\c:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\THEMES16\how_to_decrypt.hta 8804d34b7cf7bd2fc6e20c0dc27da287cee9fccbc52a5630c4752f9cfc6d6cd0.exe File created \??\c:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5\fr\how_to_decrypt.hta 8804d34b7cf7bd2fc6e20c0dc27da287cee9fccbc52a5630c4752f9cfc6d6cd0.exe File created \??\c:\Program Files\VideoLAN\VLC\locale\ga\how_to_decrypt.hta 8804d34b7cf7bd2fc6e20c0dc27da287cee9fccbc52a5630c4752f9cfc6d6cd0.exe File created \??\c:\Program Files\VideoLAN\VLC\locale\mr\LC_MESSAGES\how_to_decrypt.hta 8804d34b7cf7bd2fc6e20c0dc27da287cee9fccbc52a5630c4752f9cfc6d6cd0.exe File created \??\c:\Program Files\VideoLAN\VLC\locale\uk\how_to_decrypt.hta 8804d34b7cf7bd2fc6e20c0dc27da287cee9fccbc52a5630c4752f9cfc6d6cd0.exe File created \??\c:\Program Files\VideoLAN\VLC\locale\zh_CN\how_to_decrypt.hta 8804d34b7cf7bd2fc6e20c0dc27da287cee9fccbc52a5630c4752f9cfc6d6cd0.exe File created \??\c:\Program Files\WindowsApps\Microsoft.Advertising.Xaml_10.0.1605.0_x64__8wekyb3d8bbwe\Microsoft.Advertising\how_to_decrypt.hta 8804d34b7cf7bd2fc6e20c0dc27da287cee9fccbc52a5630c4752f9cfc6d6cd0.exe File created \??\c:\Program Files\Microsoft Office\root\vfs\ProgramFilesX64\how_to_decrypt.hta 8804d34b7cf7bd2fc6e20c0dc27da287cee9fccbc52a5630c4752f9cfc6d6cd0.exe File created \??\c:\Program Files\VideoLAN\VLC\locale\uk\LC_MESSAGES\how_to_decrypt.hta 8804d34b7cf7bd2fc6e20c0dc27da287cee9fccbc52a5630c4752f9cfc6d6cd0.exe File created \??\c:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.WindowsMaps_5.1611.10393.0_neutral_split.scale-125_8wekyb3d8bbwe\microsoft.system.package.metadata\how_to_decrypt.hta 8804d34b7cf7bd2fc6e20c0dc27da287cee9fccbc52a5630c4752f9cfc6d6cd0.exe File created \??\c:\Program Files\WindowsApps\Microsoft.BingWeather_4.18.56.0_neutral_split.scale-100_8wekyb3d8bbwe\Assets\AppTiles\how_to_decrypt.hta 8804d34b7cf7bd2fc6e20c0dc27da287cee9fccbc52a5630c4752f9cfc6d6cd0.exe File created \??\c:\Program Files\Common Files\System\ado\de-DE\how_to_decrypt.hta 8804d34b7cf7bd2fc6e20c0dc27da287cee9fccbc52a5630c4752f9cfc6d6cd0.exe File created \??\c:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\TRANSLAT\FREN\how_to_decrypt.hta 8804d34b7cf7bd2fc6e20c0dc27da287cee9fccbc52a5630c4752f9cfc6d6cd0.exe File created \??\c:\Program Files\WindowsApps\Microsoft.BingWeather_4.18.56.0_x64__8wekyb3d8bbwe\Assets\AppTiles\contrast-white\how_to_decrypt.hta 8804d34b7cf7bd2fc6e20c0dc27da287cee9fccbc52a5630c4752f9cfc6d6cd0.exe File created \??\c:\Program Files\Java\jdk-1.8\jre\lib\jfr\how_to_decrypt.hta 8804d34b7cf7bd2fc6e20c0dc27da287cee9fccbc52a5630c4752f9cfc6d6cd0.exe File created \??\c:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.Windows.Photos_16.511.8780.0_neutral_split.scale-100_8wekyb3d8bbwe\Lumia.ViewerPlugin\how_to_decrypt.hta 8804d34b7cf7bd2fc6e20c0dc27da287cee9fccbc52a5630c4752f9cfc6d6cd0.exe File created \??\c:\Program Files\WindowsApps\Microsoft.MicrosoftOfficeHub_17.8010.5926.0_x64__8wekyb3d8bbwe\Office16\how_to_decrypt.hta 8804d34b7cf7bd2fc6e20c0dc27da287cee9fccbc52a5630c4752f9cfc6d6cd0.exe File created \??\c:\Program Files\VideoLAN\VLC\locale\da\how_to_decrypt.hta 8804d34b7cf7bd2fc6e20c0dc27da287cee9fccbc52a5630c4752f9cfc6d6cd0.exe File created \??\c:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.WindowsCamera_2017.125.40.0_neutral_split.scale-200_8wekyb3d8bbwe\microsoft.system.package.metadata\how_to_decrypt.hta 8804d34b7cf7bd2fc6e20c0dc27da287cee9fccbc52a5630c4752f9cfc6d6cd0.exe File created \??\c:\Program Files\Common Files\microsoft shared\ink\cs-CZ\how_to_decrypt.hta 8804d34b7cf7bd2fc6e20c0dc27da287cee9fccbc52a5630c4752f9cfc6d6cd0.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\8804d34b7cf7bd2fc6e20c0dc27da287cee9fccbc52a5630c4752f9cfc6d6cd0.exe"C:\Users\Admin\AppData\Local\Temp\8804d34b7cf7bd2fc6e20c0dc27da287cee9fccbc52a5630c4752f9cfc6d6cd0.exe"1⤵
- Adds Run key to start application
- Drops desktop.ini file(s)
- Drops file in Program Files directory
PID:4104
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2KB
MD5575d31d1496ae8b682ef683f33bec52f
SHA1da8f1b418fe8d11d2db33e6ae615491689557434
SHA256e73e235aebfe7a0565e5dfc491431b0028d30442c3ff048dd48087b9e9370455
SHA512ba91217da6ed4b0565318c2e7eea881145cd23931dbae7ed9101224d9465a9ee15ba74626018f8783fcd60c8dacd61cd89b1e382020203951adeee493a270c9a
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Filesize
12KB
MD5094e39b73ca92b273685a971bb38ecf7
SHA19f1a744b5a4d9839634f97d690cdf304d363f7b6
SHA25603122cb71e7fe6ce642fb040887b9ed726dbc7f0d1556928974bf52f8f2ea07d
SHA51286a6d2466df10654d7b8a37da36564d3f61b794f23d5a47942b212653d26537f1f3392c09f826ca5b8f711cc35a32e57e9e8891536931fb2c87d35d56974cc7e