Analysis
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max time kernel
615s -
max time network
616s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
20-02-2024 12:38
Static task
static1
Behavioral task
behavioral1
Sample
InfinityCrypt.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
InfinityCrypt.exe
Resource
win10v2004-20231215-en
General
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Target
InfinityCrypt.exe
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Size
211KB
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MD5
b805db8f6a84475ef76b795b0d1ed6ae
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SHA1
7711cb4873e58b7adcf2a2b047b090e78d10c75b
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SHA256
f5d002bfe80b48386a6c99c41528931b7f5df736cd34094463c3f85dde0180bf
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SHA512
62a2c329b43d186c4c602c5f63efc8d2657aa956f21184334263e4f6d0204d7c31f86bda6e85e65e3b99b891c1630d805b70997731c174f6081ecc367ccf9416
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SSDEEP
1536:YoCFfC303p22fkZrRQpnqjoi7l832fbu9ZXILwVENbM:rCVC303p22sZrRQpnviB832Du9WMON
Malware Config
Signatures
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InfinityLock Ransomware
Also known as InfinityCrypt. Based on the open-source HiddenTear ransomware.
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Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms4\FormsStyles\Lime\TAB_OFF.GIF.8AA64E31B9728EC45611937923B3103590456B452D2BA8EA3EB5AD77D10833F8 InfinityCrypt.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\MSEnv\PublicAssemblies\extensibility.dll.8AA64E31B9728EC45611937923B3103590456B452D2BA8EA3EB5AD77D10833F8 InfinityCrypt.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\FD00965_.WMF.8AA64E31B9728EC45611937923B3103590456B452D2BA8EA3EB5AD77D10833F8 InfinityCrypt.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms3\FORM.JS.8AA64E31B9728EC45611937923B3103590456B452D2BA8EA3EB5AD77D10833F8 InfinityCrypt.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Document Themes 14\Executive.thmx.8AA64E31B9728EC45611937923B3103590456B452D2BA8EA3EB5AD77D10833F8 InfinityCrypt.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\1033\EXCEL.DEV_K_COL.HXK.8AA64E31B9728EC45611937923B3103590456B452D2BA8EA3EB5AD77D10833F8 InfinityCrypt.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\PH03205I.JPG.8AA64E31B9728EC45611937923B3103590456B452D2BA8EA3EB5AD77D10833F8 InfinityCrypt.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\SO00918_.WMF.8AA64E31B9728EC45611937923B3103590456B452D2BA8EA3EB5AD77D10833F8 InfinityCrypt.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\OutlookAutoDiscover\YAHOO.CO.KR.XML.8AA64E31B9728EC45611937923B3103590456B452D2BA8EA3EB5AD77D10833F8 InfinityCrypt.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\PUBWIZ\GIFT.XML.8AA64E31B9728EC45611937923B3103590456B452D2BA8EA3EB5AD77D10833F8 InfinityCrypt.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\THEMES14\LAYERS\PREVIEW.GIF.8AA64E31B9728EC45611937923B3103590456B452D2BA8EA3EB5AD77D10833F8 InfinityCrypt.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0212299.WMF.8AA64E31B9728EC45611937923B3103590456B452D2BA8EA3EB5AD77D10833F8 InfinityCrypt.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\FORMS\1033\TASKL.ICO.8AA64E31B9728EC45611937923B3103590456B452D2BA8EA3EB5AD77D10833F8 InfinityCrypt.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\PUBWIZ\DGTEAR.DPV.8AA64E31B9728EC45611937923B3103590456B452D2BA8EA3EB5AD77D10833F8 InfinityCrypt.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\THEMES14\CASCADE\PREVIEW.GIF.8AA64E31B9728EC45611937923B3103590456B452D2BA8EA3EB5AD77D10833F8 InfinityCrypt.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0105338.WMF.8AA64E31B9728EC45611937923B3103590456B452D2BA8EA3EB5AD77D10833F8 InfinityCrypt.exe File opened for modification C:\Program Files (x86)\Microsoft Office\MEDIA\OFFICE14\BULLETS\BD14795_.GIF.8AA64E31B9728EC45611937923B3103590456B452D2BA8EA3EB5AD77D10833F8 InfinityCrypt.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\1033\PUBFTSCM\SCHEME35.CSS.8AA64E31B9728EC45611937923B3103590456B452D2BA8EA3EB5AD77D10833F8 InfinityCrypt.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\1033\PUBFTSCM\SCHEME43.CSS.8AA64E31B9728EC45611937923B3103590456B452D2BA8EA3EB5AD77D10833F8 InfinityCrypt.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\NA00395_.WMF.8AA64E31B9728EC45611937923B3103590456B452D2BA8EA3EB5AD77D10833F8 InfinityCrypt.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\SO00333_.WMF.8AA64E31B9728EC45611937923B3103590456B452D2BA8EA3EB5AD77D10833F8 InfinityCrypt.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\1033\PUBFTSCM\SCHEME42.CSS.8AA64E31B9728EC45611937923B3103590456B452D2BA8EA3EB5AD77D10833F8 InfinityCrypt.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\PUBWIZ\BZCARD11.POC.8AA64E31B9728EC45611937923B3103590456B452D2BA8EA3EB5AD77D10833F8 InfinityCrypt.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\GRPHFLT\CGMIMP32.CFG.8AA64E31B9728EC45611937923B3103590456B452D2BA8EA3EB5AD77D10833F8 InfinityCrypt.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0172193.WMF.8AA64E31B9728EC45611937923B3103590456B452D2BA8EA3EB5AD77D10833F8 InfinityCrypt.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\1033\WWINTL.DLL.8AA64E31B9728EC45611937923B3103590456B452D2BA8EA3EB5AD77D10833F8 InfinityCrypt.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\Office Setup Controller\OneNote.en-us\OneNoteMUI.XML.8AA64E31B9728EC45611937923B3103590456B452D2BA8EA3EB5AD77D10833F8 InfinityCrypt.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0239973.WMF.8AA64E31B9728EC45611937923B3103590456B452D2BA8EA3EB5AD77D10833F8 InfinityCrypt.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\SY00560_.WMF.8AA64E31B9728EC45611937923B3103590456B452D2BA8EA3EB5AD77D10833F8 InfinityCrypt.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\HH01618_.WMF.8AA64E31B9728EC45611937923B3103590456B452D2BA8EA3EB5AD77D10833F8 InfinityCrypt.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\PH01046J.JPG.8AA64E31B9728EC45611937923B3103590456B452D2BA8EA3EB5AD77D10833F8 InfinityCrypt.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Document Themes 14\Apothecary.thmx.8AA64E31B9728EC45611937923B3103590456B452D2BA8EA3EB5AD77D10833F8 InfinityCrypt.exe File opened for modification C:\Program Files (x86)\Microsoft Office\MEDIA\OFFICE14\BULLETS\BD21366_.GIF.8AA64E31B9728EC45611937923B3103590456B452D2BA8EA3EB5AD77D10833F8 InfinityCrypt.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\misc.exe.8AA64E31B9728EC45611937923B3103590456B452D2BA8EA3EB5AD77D10833F8 InfinityCrypt.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms4\SAVE.GIF.8AA64E31B9728EC45611937923B3103590456B452D2BA8EA3EB5AD77D10833F8 InfinityCrypt.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\Smart Tag\LISTS\1033\DATES.XML.8AA64E31B9728EC45611937923B3103590456B452D2BA8EA3EB5AD77D10833F8 InfinityCrypt.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0102002.WMF.8AA64E31B9728EC45611937923B3103590456B452D2BA8EA3EB5AD77D10833F8 InfinityCrypt.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0146142.JPG.8AA64E31B9728EC45611937923B3103590456B452D2BA8EA3EB5AD77D10833F8 InfinityCrypt.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0309598.JPG.8AA64E31B9728EC45611937923B3103590456B452D2BA8EA3EB5AD77D10833F8 InfinityCrypt.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Microsoft.Office.Interop.InfoPath.SemiTrust.dll.8AA64E31B9728EC45611937923B3103590456B452D2BA8EA3EB5AD77D10833F8 InfinityCrypt.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\1033\PUBSPAPR\ZPDIR17F.GIF.8AA64E31B9728EC45611937923B3103590456B452D2BA8EA3EB5AD77D10833F8 InfinityCrypt.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\CONVERT\DELIMWIN.FAE.8AA64E31B9728EC45611937923B3103590456B452D2BA8EA3EB5AD77D10833F8 InfinityCrypt.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Groove\Sounds\People\THROAT.WAV.8AA64E31B9728EC45611937923B3103590456B452D2BA8EA3EB5AD77D10833F8 InfinityCrypt.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms\FormsTemplates\Track Issues.fdt.8AA64E31B9728EC45611937923B3103590456B452D2BA8EA3EB5AD77D10833F8 InfinityCrypt.exe File opened for modification C:\Program Files (x86)\Microsoft Visual Studio 8\Common7\IDE\VSTA\ItemTemplates\CSharp\1033\AssemblyInfoInternal.zip.8AA64E31B9728EC45611937923B3103590456B452D2BA8EA3EB5AD77D10833F8 InfinityCrypt.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\VSTA\Pipeline.v10.0\AddInViews\Microsoft.VisualStudio.Tools.Applications.Runtime.v9.0.dll.8AA64E31B9728EC45611937923B3103590456B452D2BA8EA3EB5AD77D10833F8 InfinityCrypt.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\SO02228_.WMF.8AA64E31B9728EC45611937923B3103590456B452D2BA8EA3EB5AD77D10833F8 InfinityCrypt.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Document Themes 14\Theme Colors\Adjacency.xml.8AA64E31B9728EC45611937923B3103590456B452D2BA8EA3EB5AD77D10833F8 InfinityCrypt.exe File opened for modification C:\Program Files (x86)\Microsoft Office\MEDIA\CAGCAT10\J0292982.WMF.8AA64E31B9728EC45611937923B3103590456B452D2BA8EA3EB5AD77D10833F8 InfinityCrypt.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\FORMS\1033\REMOTE.CFG.8AA64E31B9728EC45611937923B3103590456B452D2BA8EA3EB5AD77D10833F8 InfinityCrypt.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.151\goopdateres_bn.dll.8AA64E31B9728EC45611937923B3103590456B452D2BA8EA3EB5AD77D10833F8 InfinityCrypt.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0185776.WMF.8AA64E31B9728EC45611937923B3103590456B452D2BA8EA3EB5AD77D10833F8 InfinityCrypt.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\NA01356_.WMF.8AA64E31B9728EC45611937923B3103590456B452D2BA8EA3EB5AD77D10833F8 InfinityCrypt.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\ACERCLR.DLL.8AA64E31B9728EC45611937923B3103590456B452D2BA8EA3EB5AD77D10833F8 InfinityCrypt.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\BS00441_.WMF.8AA64E31B9728EC45611937923B3103590456B452D2BA8EA3EB5AD77D10833F8 InfinityCrypt.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0105398.WMF.8AA64E31B9728EC45611937923B3103590456B452D2BA8EA3EB5AD77D10833F8 InfinityCrypt.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0107154.WMF.8AA64E31B9728EC45611937923B3103590456B452D2BA8EA3EB5AD77D10833F8 InfinityCrypt.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Document Themes 14\Perspective.thmx.8AA64E31B9728EC45611937923B3103590456B452D2BA8EA3EB5AD77D10833F8 InfinityCrypt.exe File opened for modification C:\Program Files (x86)\Microsoft Office\MEDIA\OFFICE14\BULLETS\BD15136_.GIF.8AA64E31B9728EC45611937923B3103590456B452D2BA8EA3EB5AD77D10833F8 InfinityCrypt.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\1033\GrooveForms5\bg_Country.gif.8AA64E31B9728EC45611937923B3103590456B452D2BA8EA3EB5AD77D10833F8 InfinityCrypt.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\1033\GrooveForms5\FormsStyles\SoftBlue.css.8AA64E31B9728EC45611937923B3103590456B452D2BA8EA3EB5AD77D10833F8 InfinityCrypt.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.151\psmachine.dll.8AA64E31B9728EC45611937923B3103590456B452D2BA8EA3EB5AD77D10833F8 InfinityCrypt.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0105396.WMF.8AA64E31B9728EC45611937923B3103590456B452D2BA8EA3EB5AD77D10833F8 InfinityCrypt.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\PUBWIZ\SIDEBARBB.POC.8AA64E31B9728EC45611937923B3103590456B452D2BA8EA3EB5AD77D10833F8 InfinityCrypt.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 InfinityCrypt.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString InfinityCrypt.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3020 InfinityCrypt.exe
Processes
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Program Files (x86)\Microsoft Office\Office14\1033\GrooveForms5\FormsStyles\BrightYellow\TAB_OFF.GIF.8AA64E31B9728EC45611937923B3103590456B452D2BA8EA3EB5AD77D10833F8
Filesize352B
MD5056e36db4b4d10af55b8ce731ed3c890
SHA1eb86ae1a9b59ce491dbb232f19cb44b2bcba14ba
SHA256a2156275f709bb50b4dfab79cb66c179972a8962fd94f1cd9bd50347d208d3a3
SHA5127ee8b31ce157c2ef95224cd878446f0dca3a3de0d424032d1c67e7855f97f72a5aae10e8324864e906a46de15fd5d4c050567d3d51855ca5662271c5ab049ddc
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C:\Program Files (x86)\Microsoft Office\Office14\1033\GrooveForms5\FormsStyles\BrightYellow\TAB_ON.GIF.8AA64E31B9728EC45611937923B3103590456B452D2BA8EA3EB5AD77D10833F8
Filesize224B
MD5b02033b5dac49624a9aafc76482f6d20
SHA169f2b0eab06f30c6311736f7711c41e1ede49581
SHA256ca219adf420ac7fb91b151d4ff199c66a29486060bebb347f93178620973c9f1
SHA512bc4b2e42c078d515699d1b7d9aff9350092fd33d6a94dc3c332efe78b9bd4424d3576bd420cc744ac518c2ae6460d1aae00833c2c7ba85bb2b475a8e7ec11950
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C:\Program Files (x86)\Microsoft Office\Office14\1033\INFOPATH_F_COL.HXK.8AA64E31B9728EC45611937923B3103590456B452D2BA8EA3EB5AD77D10833F8
Filesize128B
MD544d02d76b832e70a1285da69da4e025c
SHA18e606dc064a681ce81155ae3b20993ccabe723df
SHA256e41d0df4ae215e648d9c1e86292b1f041de0d214f4cc30b9f13df12e808f5abb
SHA5123adf8950f2c609a8cad3cbacb4e847d3be256af21f8568a459d77f078989f28bbfdd9e787306e5b7bac6d3ba9e4f2dcb0020b2bc229134632f8684fe9cdf9792
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C:\Program Files (x86)\Microsoft Office\Office14\1033\INFOPATH_K_COL.HXK.8AA64E31B9728EC45611937923B3103590456B452D2BA8EA3EB5AD77D10833F8
Filesize128B
MD5062cb4524dd64ddb41ef12935852e2e8
SHA1ca8c4314904a5fe70f09045f346b54affd003bfa
SHA25628fc54c505b3fa4ff98b31d9c4a349af7daf9a32198d874837c495062e9aaea7
SHA51284963ee0a6db8a2216104d1dee3584b38caeef4494ae94bcf45964913d972f9f36ccaf0bc862e6a3723204f3454159bb0c3fbece68323356a2b04742c9817d68
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C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms4\FormsStyles\BabyBlue\BUTTON.GIF.8AA64E31B9728EC45611937923B3103590456B452D2BA8EA3EB5AD77D10833F8
Filesize192B
MD54a407ec2014628de7f22b3940e59289a
SHA103da971e7f048e00ceae2d488c1c201601a21763
SHA2567b93c415517487e4a4011110ab15072540d1aa85ce2e33b0f5000b56ee4f6146
SHA5128eca1ad759d207d7a3400530ed97d63aa510f7e875c3519a9e85493d5c8bdc77165c118a1ec6bbaed1cad8dd14741a2a42b8242da4de1856c522b5080befe766
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C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms4\FormsStyles\Desert\TAB_OFF.GIF.8AA64E31B9728EC45611937923B3103590456B452D2BA8EA3EB5AD77D10833F8
Filesize512B
MD575d653428c14cc37836f354760ec8be1
SHA1fef8b1825b6d91e78e649488db2346dbaa1f75e6
SHA256f15b3b6198c6db39c9c94c09e772e23e4010a63842fe2c79617c467acb8b4f6a
SHA5125452bfd031c488b35a3ec243bb23057150b580a8e7d60bbf7bf0dee874a5dbd309f9b4c4e2d54b8fcaf89e5bcd3d2aafe8c05c3a8a1b8e5873e3c894f5e7ccf0
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C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms4\FormsStyles\Desert\TAB_ON.GIF.8AA64E31B9728EC45611937923B3103590456B452D2BA8EA3EB5AD77D10833F8
Filesize1KB
MD510b64bf1b41a46cf5a1ff03709522288
SHA17defc3a4d55a306e0edc6570d1c213450642181a
SHA256dab74f9c31157619d1cc3f5f23021d9efeca9d8fe06e82cfdb8b61528e30a22c
SHA512b00448aced6a1eaf2a7d3a4ca8b14517ea41bd782cc30db3236149e3c381c5b09e82c0f1364dba0e4d49f8bdd359f984d884eaac4dff52c2bb3ab8c3060be26b
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C:\Program Files (x86)\Microsoft Office\Office14\OutlookAutoDiscover\YAHOO.NO.XML.8AA64E31B9728EC45611937923B3103590456B452D2BA8EA3EB5AD77D10833F8
Filesize816B
MD54fc9d020da9bdfec6ae7135e37bca552
SHA1fa3281e74329ce8cc44412a5b7ddf249adb5d172
SHA256ea0714e95d940a4bbaf1127c754eebde4adb830d220e682b2da20a2d3871ca61
SHA5128eee877b15d74b5bb12c35699f7ca80c7b87238aeee4aeb6e3d77875617e9e5d99ce4ca0315b3c0e319856fb1e5ac0ac4261b3acdf192c6dcd27fbb6edbf3f0c