Overview
overview
7Static
static
3jaffacakes...ic.exe
windows10-2004-x64
7jaffacakes...ic.exe
windows11-ltsc_2024-x64
7$PLUGINSDI...em.dll
windows10-2004-x64
3$PLUGINSDI...em.dll
windows11-ltsc_2024-x64
3$SYSDIR/$_1_.exe
windows10-2004-x64
7$SYSDIR/$_1_.exe
windows11-ltsc_2024-x64
7$PLUGINSDI...em.dll
windows10-2004-x64
3$PLUGINSDI...em.dll
windows11-ltsc_2024-x64
3$_5_.dll
windows10-2004-x64
6$_5_.dll
windows11-ltsc_2024-x64
6Analysis
- max time kernel
148s - max time network
139s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
14/10/2026, 02:52
Behavioral task
behavioral1
Sample
jaffacakes118_HEUR.Trojan.Win32.Generic.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
jaffacakes118_HEUR.Trojan.Win32.Generic.exe
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20260911-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/System.dll
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral5
Sample
$SYSDIR/$_1_.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral6
Sample
$SYSDIR/$_1_.exe
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral7
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20260911-en
Behavioral task
behavioral8
Sample
$PLUGINSDIR/System.dll
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral9
Sample
$_5_.dll
Resource
win10v2004-20260911-en
Behavioral task
behavioral10
Sample
$_5_.dll
Resource
win11ltsc2024-20260911-en
General
- Target jaffacakes118_HEUR.Trojan.Win32.Generic.exe
- Size 437KB
- Sample261014-dcppjaex3w
- SHA256 b027fdc658589d3f193d2a0896fd9c9c064a1f62ddeef9a90479b93c2cd8ecb9
- MD5 4c73b756dbb708b8f2d8ff7c144d77d8
- SHA1 482158aff860750b0250f2b9835cea797d417985
- SHA512 acf7d39dd13cd6570b1e7a1ec46e96707b7607fff82caef17ed30ca149db4c8a8eea953a6054fc4534fd9ba6caf7f95aa2e1d10e24f90415fa9fc5bf7d0ba7d8
- SSDEEP 12288:m1v2GaczrO+SxFvxKtqabcjhnNZH8k0uWIv:mgGDvOpjAQabcFH8k05Iv
- TLSH T1B594234950B51DFFD8CE0634447BBA3CD6F6DBA821DD6B834B286F797AF40468D24A01
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Loads dropped DLL 8 IoCs
pid Process 3400 jaffacakes118_HEUR.Trojan.Win32.Generic.exe 3400 jaffacakes118_HEUR.Trojan.Win32.Generic.exe 3400 jaffacakes118_HEUR.Trojan.Win32.Generic.exe 3400 jaffacakes118_HEUR.Trojan.Win32.Generic.exe 3400 jaffacakes118_HEUR.Trojan.Win32.Generic.exe 3400 jaffacakes118_HEUR.Trojan.Win32.Generic.exe 5924 regsvr32.exe 5924 regsvr32.exe - Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\xbhnnidmjzrmmknq = "C:\\Windows\\System32\\regsvr32.exe /s \"C:\\Users\\Admin\\AppData\\Local\\Temp\\nszF69.tmp.dll\"" jaffacakes118_HEUR.Trojan.Win32.Generic.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\xbhnnidmjzrmmknq = "C:\\Windows\\System32\\regsvr32.exe /s \"C:\\Windows\\system32\\dlrivvcodty.dll\"" regsvr32.exe - Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Installs/modifies Browser Helper Object 2 TTPs 4 IoCs
BHOs are DLL modules which act as plugins for Internet Explorer.
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{27AF49CD-EE56-E39C-BDE9-5766B0865B7A} regsvr32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{27AF49CD-EE56-E39C-BDE9-5766B0865B7A}\NoExplorer = "1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{27AF49CD-EE56-E39C-BDE9-5766B0865B7A} jaffacakes118_HEUR.Trojan.Win32.Generic.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{27AF49CD-EE56-E39C-BDE9-5766B0865B7A}\NoExplorer = "1" jaffacakes118_HEUR.Trojan.Win32.Generic.exe - Maps connected drives based on registry 3 TTPs 6 IoCs
Disk information is often read in order to detect sandboxing environments.
description ioc Process Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum regsvr32.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\Count regsvr32.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 regsvr32.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum jaffacakes118_HEUR.Trojan.Win32.Generic.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\Count jaffacakes118_HEUR.Trojan.Win32.Generic.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 jaffacakes118_HEUR.Trojan.Win32.Generic.exe - Drops file in System32 directory 1 IoCs
description ioc Process File created C:\Windows\SysWOW64\rjkedgslftztw.exe jaffacakes118_HEUR.Trojan.Win32.Generic.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
description ioc Process Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname jaffacakes118_HEUR.Trojan.Win32.Generic.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain jaffacakes118_HEUR.Trojan.Win32.Generic.exe - System Location Discovery: System Language Discovery 1 TTPs 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language jaffacakes118_HEUR.Trojan.Win32.Generic.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language regsvr32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ielowutil.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language IEXPLORE.EXE - Modifies Internet Explorer Protected Mode 1 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-1704430598-3087477806-3297458608-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3\2500 = "3" jaffacakes118_HEUR.Trojan.Win32.Generic.exe - Modifies Internet Explorer Protected Mode Banner 1 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-1704430598-3087477806-3297458608-1000\Software\Microsoft\Internet Explorer\Main\NoProtectedModeBanner = "1" jaffacakes118_HEUR.Trojan.Win32.Generic.exe -
description ioc Process Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Internet Explorer\Low Rights\ElevationPolicy\{45EDA3FC-54F8-3CE8-372F-76DD3C748438} jaffacakes118_HEUR.Trojan.Win32.Generic.exe Set value (int) \REGISTRY\USER\S-1-5-21-1704430598-3087477806-3297458608-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-1704430598-3087477806-3297458608-1000\Software\Microsoft\Internet Explorer\SearchScopes\KnownProvidersUpgradeTime = 34810ab99042dd01 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1704430598-3087477806-3297458608-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-1704430598-3087477806-3297458608-1000\Software\Microsoft\Internet Explorer\MINIE\TabBandWidth = "677" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1704430598-3087477806-3297458608-1000\Software\Microsoft\Internet Explorer\Protected - It is a violation of Windows Policy to modify. See aka.ms/browserpolicy iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1704430598-3087477806-3297458608-1000\Software\Microsoft\Internet Explorer\Main jaffacakes118_HEUR.Trojan.Win32.Generic.exe Set value (data) \REGISTRY\USER\S-1-5-21-1704430598-3087477806-3297458608-1000\Software\Microsoft\Internet Explorer\User Preferences\3DB9590C4C4C26C4CCBDD94ECAD790359708C3267B = 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 iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1704430598-3087477806-3297458608-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1704430598-3087477806-3297458608-1000\Software\Microsoft\Internet Explorer\Protected - It is a violation of Windows Policy to modify. See aka.ms/browserpolicy\SearchScopesUpgradeVersion = "1" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1704430598-3087477806-3297458608-1000\Software\Microsoft\Internet Explorer\SearchScopes\DefaultScope = "{0633EE93-D776-472f-A0FF-E1416B8B2E3A}" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1704430598-3087477806-3297458608-1000\Software\Microsoft\Internet Explorer\SearchScopes\{0633EE93-D776-472f-A0FF-E1416B8B2E3A}\NTURL = "http://www.bing.com/search?q={searchTerms}&src=IE-SearchBox&FORM=IENTSR" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-1704430598-3087477806-3297458608-1000\Software\Microsoft\Internet Explorer\User Preferences\3DB9590C4C4C26C4CCBDD94ECAD790359708C3267B = 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 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1704430598-3087477806-3297458608-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1704430598-3087477806-3297458608-1000\Software\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31284103" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-1704430598-3087477806-3297458608-1000\Software\Microsoft\Internet Explorer\User Preferences\2BB20B33B4171CDAAB6469225AE6A582ED33D7B488 = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000c8e9574561d9f0478ade657f7edda7a000000000020000000000106600000001000020000000077653938756933a3e220328d86e192b804a05ce35537c0a907e1333c0701f27000000000e8000000002000020000000d5ef24a7b51806c0fa83608cba191b427afd5666f81204cc464b5eb1d1d1d63010000000476269478a71b989aa9cd42de714be44400000005248e7038edb6db2f6e2be76f336564edec7bfb0dd04a2bb94876ded56fc070cbd3f29dc758388d5b5012d115d01d438f1b2a05ef52bb12e9cda3c0715714779 iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-1704430598-3087477806-3297458608-1000\Software\Microsoft\Internet Explorer\SearchScopes\UpgradeTime = 34810ab99042dd01 iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1704430598-3087477806-3297458608-1000\Software\Microsoft\Internet Explorer\SearchScopes\{0633EE93-D776-472f-A0FF-E1416B8B2E3A}\URL = "http://www.bing.com/search?q={searchTerms}&src=IE-SearchBox&FORM=IESR02" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-1704430598-3087477806-3297458608-1000\Software\Microsoft\Internet Explorer\User Preferences\3DB9590C4C4C26C4CCBDD94ECAD790359708C3267B = 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 iexplore.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Low Rights\ElevationPolicy\{45EDA3FC-54F8-3CE8-372F-76DD3C748438}\AppPath = "C:\\Windows\\System32" jaffacakes118_HEUR.Trojan.Win32.Generic.exe Key created \REGISTRY\USER\S-1-5-21-1704430598-3087477806-3297458608-1000\Software\Microsoft\Internet Explorer\SearchScopes\{0633EE93-D776-472f-A0FF-E1416B8B2E3A} iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1704430598-3087477806-3297458608-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1704430598-3087477806-3297458608-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1704430598-3087477806-3297458608-1000\Software\Microsoft\Internet Explorer\SearchScopes\{0633EE93-D776-472f-A0FF-E1416B8B2E3A}\NTSuggestionsURL = "http://api.bing.com/qsml.aspx?query={searchTerms}&market={language}&maxwidth={ie:maxWidth}&rowheight={ie:rowHeight}§ionHeight={ie:sectionHeight}&FORM=IENTSS" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1704430598-3087477806-3297458608-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1704430598-3087477806-3297458608-1000\Software\Microsoft\Internet Explorer\Main\SearchBandMigrationVersion = "1" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1704430598-3087477806-3297458608-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1704430598-3087477806-3297458608-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1704430598-3087477806-3297458608-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1704430598-3087477806-3297458608-1000\Software\Microsoft\Internet Explorer\SearchScopes\{0633EE93-D776-472f-A0FF-E1416B8B2E3A}\NTTopResultURL = "http://www.bing.com/search?q={searchTerms}&src=IE-SearchBox&FORM=IENTTR" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1704430598-3087477806-3297458608-1000\Software\Microsoft\Internet Explorer\SearchScopes\{0633EE93-D776-472f-A0FF-E1416B8B2E3A}\NTLogoURL = "http://go.microsoft.com/fwlink/?LinkID=403856&language={language}&scale={scalelevel}&contrast={contrast}" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1704430598-3087477806-3297458608-1000\Software\Microsoft\Internet Explorer\SearchScopes\{0633EE93-D776-472f-A0FF-E1416B8B2E3A}\FaviconPath = "C:\\Users\\Admin\\AppData\\LocalLow\\Microsoft\\Internet Explorer\\Services\\search_{0633EE93-D776-472f-A0FF-E1416B8B2E3A}.ico" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1704430598-3087477806-3297458608-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-1704430598-3087477806-3297458608-1000\Software\Microsoft\Internet Explorer\MINIE iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1704430598-3087477806-3297458608-1000\Software\Microsoft\Internet Explorer\SearchScopes\{0633EE93-D776-472f-A0FF-E1416B8B2E3A}\URL = "http://www.bing.com/search?q={searchTerms}&src=IE-SearchBox&FORM=IE11SR" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1704430598-3087477806-3297458608-1000\Software\Microsoft\Internet Explorer\SearchScopes\{0633EE93-D776-472f-A0FF-E1416B8B2E3A}\SuggestionsURLFallback = "http://api.bing.com/qsml.aspx?query={searchTerms}&maxwidth={ie:maxWidth}&rowheight={ie:rowHeight}§ionHeight={ie:sectionHeight}&FORM=IE11SS&market={language}" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-1704430598-3087477806-3297458608-1000\Software\Microsoft\Internet Explorer\User Preferences\2BB20B33B4171CDAAB6469225AE6A582ED33D7B488 = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000c8e9574561d9f0478ade657f7edda7a000000000020000000000106600000001000020000000cc7a4aa5bc333f6dcf8a58d590d6d2e853daaefc569eddab2d63fd116d2e31b2000000000e800000000200002000000079cb837794e55f0beea32ce03995ac54353c6763e5d47d846733d6aca099da2d10000000c7320314a17db2a1613995f8d86215624000000014582ac1be9aa9164271c82023315733749c828e23b03efc580528d78dedbaa542d2f83d7638c6cacfa9b0634f8bc3d8985908822d3307733e168d2d9c05c306 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1704430598-3087477806-3297458608-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1704430598-3087477806-3297458608-1000\Software\Microsoft\Internet Explorer\SearchScopes\Version = "5" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1704430598-3087477806-3297458608-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1704430598-3087477806-3297458608-1000\Software\Microsoft\Internet Explorer\SearchScopes iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1704430598-3087477806-3297458608-1000\Software\Microsoft\Internet Explorer\Recovery iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1704430598-3087477806-3297458608-1000\Software\Microsoft\Internet Explorer\Main\DisableFirstRunCustomize = "1" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-1704430598-3087477806-3297458608-1000\Software\Microsoft\Internet Explorer\User Preferences\2BB20B33B4171CDAAB6469225AE6A582ED33D7B488 = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000c8e9574561d9f0478ade657f7edda7a0000000000200000000001066000000010000200000005a957e9cb4c880d63157485191cf0dca513455e517266698d68dc2b235623465000000000e8000000002000020000000ff4ab9f285b96df654a95a230a5d322e3b9ea74d05069b5d8fba6b772f82726410000000efa72a1191ef073f5bf00f695c6dee284000000084111d38eaf361d00fdc7bc0f3f761fcbcf959c4cb0379a792b481345b07525edb16d2833220437a52110311108c4c4221b3ee11e1da6ff29a4dad81d5949769 iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1704430598-3087477806-3297458608-1000\Software\Microsoft\Internet Explorer\SearchScopes\{0633EE93-D776-472f-A0FF-E1416B8B2E3A}\SuggestionsURLFallback = "http://api.bing.com/qsml.aspx?query={searchTerms}&maxwidth={ie:maxWidth}&rowheight={ie:rowHeight}§ionHeight={ie:sectionHeight}&FORM=IESS02&market={language}" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1704430598-3087477806-3297458608-1000\Software\Microsoft\Internet Explorer\SearchScopes\{0633EE93-D776-472f-A0FF-E1416B8B2E3A}\SuggestionsURL = "http://api.bing.com/qsml.aspx?query={searchTerms}&maxwidth={ie:maxWidth}&rowheight={ie:rowHeight}§ionHeight={ie:sectionHeight}&FORM=IESS02&market={language}" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1704430598-3087477806-3297458608-1000\Software\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "331747177" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1704430598-3087477806-3297458608-1000\Software\Microsoft\Internet Explorer\SearchScopes\{0633EE93-D776-472f-A0FF-E1416B8B2E3A}\FaviconURL = "http://www.bing.com/favicon.ico" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1704430598-3087477806-3297458608-1000\Software\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31284103" IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-1704430598-3087477806-3297458608-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Low Rights\ElevationPolicy\{45EDA3FC-54F8-3CE8-372F-76DD3C748438}\AppName = "regsvr32.exe" jaffacakes118_HEUR.Trojan.Win32.Generic.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Low Rights\ElevationPolicy\{45EDA3FC-54F8-3CE8-372F-76DD3C748438}\Policy = "3" jaffacakes118_HEUR.Trojan.Win32.Generic.exe Set value (str) \REGISTRY\USER\S-1-5-21-1704430598-3087477806-3297458608-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1704430598-3087477806-3297458608-1000\Software\Microsoft\Internet Explorer\SearchScopes\{0633EE93-D776-472f-A0FF-E1416B8B2E3A}\DisplayName = "Bing" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1704430598-3087477806-3297458608-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "498711303" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1704430598-3087477806-3297458608-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{3EF91DC0-C77A-11F1-9144-721A714DA675} = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1704430598-3087477806-3297458608-1000\Software\Microsoft\Internet Explorer\User Preferences iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1704430598-3087477806-3297458608-1000\Software\Microsoft\Internet Explorer\SearchScopes\{0633EE93-D776-472f-A0FF-E1416B8B2E3A}\SuggestionsURL = "http://api.bing.com/qsml.aspx?query={searchTerms}&maxwidth={ie:maxWidth}&rowheight={ie:rowHeight}§ionHeight={ie:sectionHeight}&FORM=IE11SS&market={language}" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1704430598-3087477806-3297458608-1000\Software\Microsoft\Internet Explorer\SearchScopes\{0633EE93-D776-472f-A0FF-E1416B8B2E3A}\FaviconURLFallback = "http://www.bing.com/favicon.ico" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1704430598-3087477806-3297458608-1000\Software\Microsoft\Internet Explorer\SearchScopes\{0633EE93-D776-472f-A0FF-E1416B8B2E3A}\NTLogoPath = "C:\\Users\\Admin\\AppData\\LocalLow\\Microsoft\\Internet Explorer\\Services\\" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1704430598-3087477806-3297458608-1000\Software\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "332217005" IEXPLORE.EXE - Modifies registry class 10 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{27AF49CD-EE56-E39C-BDE9-5766B0865B7A} jaffacakes118_HEUR.Trojan.Win32.Generic.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{27AF49CD-EE56-E39C-BDE9-5766B0865B7A}\InProcServer32 jaffacakes118_HEUR.Trojan.Win32.Generic.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{27AF49CD-EE56-E39C-BDE9-5766B0865B7A}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\nszF69.tmp.dll" jaffacakes118_HEUR.Trojan.Win32.Generic.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{27AF49CD-EE56-E39C-BDE9-5766B0865B7A}\InProcServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{27AF49CD-EE56-E39C-BDE9-5766B0865B7A}\InProcServer32\ThreadingModel = "Apartment" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{27AF49CD-EE56-E39C-BDE9-5766B0865B7A}\ = "clickbuster browser enhancer" jaffacakes118_HEUR.Trojan.Win32.Generic.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{27AF49CD-EE56-E39C-BDE9-5766B0865B7A}\InProcServer32\ThreadingModel = "Apartment" jaffacakes118_HEUR.Trojan.Win32.Generic.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{27AF49CD-EE56-E39C-BDE9-5766B0865B7A} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{27AF49CD-EE56-E39C-BDE9-5766B0865B7A}\ = "clickbuster browser enhancer" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{27AF49CD-EE56-E39C-BDE9-5766B0865B7A}\InProcServer32\ = "C:\\Windows\\SysWow64\\dlrivvcodty.dll" regsvr32.exe - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4676 iexplore.exe - Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 4676 iexplore.exe 4676 iexplore.exe 2812 IEXPLORE.EXE 2812 IEXPLORE.EXE - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 3400 wrote to memory of 5924 3400 jaffacakes118_HEUR.Trojan.Win32.Generic.exe 90 PID 4676 wrote to memory of 2812 4676 iexplore.exe 94 - Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
- Uses Volume Shadow Copy WMI provider
The Volume Shadow Copy service is used to manage backups/snapshots.
- Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
-
C:\Users\Admin\AppData\Local\Temp\jaffacakes118_HEUR.Trojan.Win32.Generic.exe"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_HEUR.Trojan.Win32.Generic.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- Installs/modifies Browser Helper Object
- Maps connected drives based on registry
- Drops file in System32 directory
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer Protected Mode
- Modifies Internet Explorer Protected Mode Banner
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:3400 -
C:\Windows\SysWOW64\regsvr32.exe"C:\Windows\system32\regsvr32.exe" /s "C:\Windows\system32\dlrivvcodty.dll"2⤵
- Loads dropped DLL
- Adds Run key to start application
- Installs/modifies Browser Helper Object
- Maps connected drives based on registry
- System Location Discovery: System Language Discovery
- Modifies registry class
PID:5924
-
-
C:\Program Files (x86)\Internet Explorer\ielowutil.exe"C:\Program Files (x86)\Internet Explorer\ielowutil.exe" -CLSID:{0002DF01-0000-0000-C000-000000000046} -Embedding1⤵
- System Location Discovery: System Language Discovery
PID:1140
-
C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe" -Embedding1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4676 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4676 CREDAT:17410 /prefetch:22⤵
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:2812
-
Network
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Browser Extensions
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_430EA0912164D1B129D6E1DC07C63959
- Size 471B
- SHA256 94deecb8b3c9a16f48b404872478dc3c8c8aad2e5a5013615effcf6d732f7e8b
- MD5 f232fd89dc85e8a72a0ec6ae3b4201cf
- SHA1 d6bde8e11231e4cc77ccb823bd7217248a8d182a
- SHA512 2ef5fe5ca0b58731631d7b0c4c47fb12a531710a8f5568dd149d42dade296c31d637d73881dc352f7fb7ee45d605bf093cb67e469635f96b8d050169d5492ffe
- TLSH T166F0D442415DF0B15E91A4EC225E6D772920F17704D8D501F37D46D444A53EB8F45428
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_430EA0912164D1B129D6E1DC07C63959
- Size 416B
- SHA256 ff59d1990ad6d17fc2229e09e055b2d0c26691eae0babbc9dc9cdcdafe18eda8
- MD5 dbd2678b0af102eeb4d1dc69178805a3
- SHA1 bbaba2eaa43890047cfed1712697083b54271630
- SHA512 8e6b142cc32f6377f257f18299610fe2d3c1709dbee602ea3c6ef045c1934bfefefa19971d1b4d3bcb054e59fff978f7d2c15a145a18c936b2756ce2d1d9a860
- TLSH T167E0C02421FA411FE0F4EC758FC975219869F032041993B829D5AB0CB702640AC0392D
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\LocalLow\Microsoft\Internet Explorer\Services\search_{0633EE93-D776-472f-A0FF-E1416B8B2E3A}.ico
- Size 4KB
- SHA256 5b2c34b3c4e8dd898b664dba6c3786e2ff9869eff55d673aa48361f11325ed07
- MD5 da597791be3b6e732f0bc8b20e38ee62
- SHA1 1125c45d285c360542027d7554a5c442288974de
- SHA512 d8dc8358727590a1ed74dc70356aedc0499552c2dc0cd4f7a01853dd85ceb3aead5fbdc7c75d7da36db6af2448ce5abdff64cebdca3533ecad953c061a9b338e
- SSDEEP 24:suZOWcCXPRS4QAUs/KBy3TYI42Apvl6wheXpktCH2Yn4KgISQggggFpz1k9PAYHu:HBRh+sCBykteatiBn4KWi1+Ne
- TLSH T1B9919C8A6AF4CD28CE621D24C53C52FD016BDE1DD19C2087D9E67F92323B96F91232C5
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\AQUMYOH4\known_providers_download_v1[1].xml
- Size 88KB
- SHA256 1e2e25bf730ff20c89d57aa38f7f34be7690820e8279b20127d0014dd27b743f
- MD5 002d5646771d31d1e7c57990cc020150
- SHA1 a28ec731f9106c252f313cca349a68ef94ee3de9
- SHA512 689e90e7d83eef054a168b98ba2b8d05ab6ff8564e199d4089215ad3fe33440908e687aa9ad7d94468f9f57a4cc19842d53a9cd2f17758bdadf0503df63629c6
- SSDEEP 1536:V5JGkeov2IRdGjYQ4OozRuTah6gK8wd1ObAto2cTReH5xCVYiA4Pjqcawh7O6GAn:R
- TLSH T165937D2A04C76881B231D8193DA87FC1DC30886BB4069AE57DFD471B8F79E4BA46367C
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\D1BCA2PC\suggestions[1].en-US
- Size 17KB
- SHA256 c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
- MD5 5a34cb996293fde2cb7a4ac89587393a
- SHA1 3c96c993500690d1a77873cd62bc639b3a10653f
- SHA512 e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee
- SSDEEP 384:K4gN8sGygaEKfWYSJUKbO7UckxtBjCdY7mO3D0C5l+piEieDSV126ry1/XSGKwG3:K4gNFXiKfWfJ1Kockxbd7mAt5Mp5ie2F
- TLSH T13A823E4E61D88F57EA47B6B2D9084EA702E0C8794716DB93D62CFE63CDE33B25D02161
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\nsl650.tmp\System.dll
- Size 11KB
- SHA256 dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f
- MD5 c17103ae9072a06da581dec998343fc1
- SHA1 b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d
- SHA512 d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f
- SSDEEP 192:7DKnJZCv6VmbJQC+tFiUdK7ckD4gRXKQx+LQ2CSF:7ViJrtFRdbmXK8+PCw
- TLSH T1CA325C5993A0C1F3D5A0823C0D973A7B1779722016B14FA3CFA35842AE196D7AC7D227
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\nszF69.tmp.dll
- Size 731KB
- SHA256 0c7f38a9380b65dd2f6cd641be934906736064369657d419d6edc96d7c79295e
- MD5 2f0ccc90307825591e493db45c8be8d3
- SHA1 e895134e57545a8b959d1102d716922112d9ed2a
- SHA512 0528a0c00a17b6e51885aad8c739b10df0275a5c4f0f54d2f8b1522381a05a4e47d9795cbdf51d6146627b5e8d5362b80306bf623b7edcf85db58ca0cb4be777
- SSDEEP 12288:uPjVuvC7NEeEMOysYIJeRE3dn2m52+uGk2DgZjTV571c3Z8Fj0vH:u8ahtbOyXRENnZ2+TkIgRuZ8FCH
- TLSH T1EFF48D1931D0D4F5C76005791D08E33A973E9C724BFA006ABBE953A82BE688057DEDB7
- MD5 SHA1 SHA512 SSDEEP TLSH