Analysis
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max time kernel
149s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
21-10-2022 04:52
Static task
static1
Behavioral task
behavioral1
Sample
4b5de56e33e310e79076fc2a4fe182bc30284608d8029285b09d0b12b7eb2e98.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
4b5de56e33e310e79076fc2a4fe182bc30284608d8029285b09d0b12b7eb2e98.exe
Resource
win10v2004-20220901-en
General
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Target
4b5de56e33e310e79076fc2a4fe182bc30284608d8029285b09d0b12b7eb2e98.exe
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Size
252KB
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MD5
427e35a6495f37a96d047f1c4ae1ac86
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SHA1
d1f983fc45f1d51216a61ee8a3c23e1c1fd1c7d5
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SHA256
4b5de56e33e310e79076fc2a4fe182bc30284608d8029285b09d0b12b7eb2e98
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SHA512
11ec58af55a6741d0cfcba5554ecc21cd1c2afbed06a1bd55aa4af631bd201c16755f52048819194e00022dc9d3b7c58327f46abaa5cce2b88c3338a457caf1a
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SSDEEP
3072:KCtFBrDkiap75+blxPCMwy6K9MHecBQ41pBys8:KCtFtDg9sSS0HeQ8
Malware Config
Signatures
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joker
Joker is an Android malware that targets billing and SMS fraud.
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Executes dropped EXE 2 IoCs
pid Process 3460 simc.tmp 3912 smap.tmp -
Sets file to hidden 1 TTPs 2 IoCs
Modifies file attributes to stop it showing in Explorer etc.
pid Process 4620 attrib.exe 4380 attrib.exe -
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation 4b5de56e33e310e79076fc2a4fe182bc30284608d8029285b09d0b12b7eb2e98.exe Key value queried \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation smap.tmp -
Loads dropped DLL 1 IoCs
pid Process 4620 rundll32.exe -
Adds Run key to start application 2 TTPs 3 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\hsdfasd = "\"C:\\PROGRA~1\\FREERA~1\\tmp.\\a.{971C5380-92A0-5A69-B3EE-C3002B33309E}\" hh.exe" rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\GrpConv = "grpconv -o" rundll32.exe -
Drops file in Program Files directory 17 IoCs
description ioc Process File created C:\Program Files\FreeRapid\4.bat 4b5de56e33e310e79076fc2a4fe182bc30284608d8029285b09d0b12b7eb2e98.exe File created C:\Program Files\FreeRapid\resv.bin 4b5de56e33e310e79076fc2a4fe182bc30284608d8029285b09d0b12b7eb2e98.exe File opened for modification C:\PROGRA~1\FREERA~1\╠╘▒ª╣║╬∩.url cmd.exe File opened for modification C:\PROGRA~1\FREERA~1\1.inf cmd.exe File opened for modification C:\PROGRA~1\FREERA~1\tmp\a.{971C5380-92A0-5A69-B3EE-C3002B33309E} attrib.exe File opened for modification C:\PROGRA~1\FREERA~1\tmp attrib.exe File opened for modification C:\PROGRA~1\FREERA~1\3.bat cmd.exe File opened for modification C:\PROGRA~1\FREERA~1\░╦╪╘╔½═╝.url cmd.exe File created C:\PROGRA~1\INTERN~1\ieframe.dll cmd.exe File opened for modification C:\Program Files (x86)\TheWorld 3\TheWorld.ini rundll32.exe File opened for modification C:\PROGRA~1\FREERA~1\┐┤┐┤╡τ╙░.url cmd.exe File created C:\Program Files\FreeRapid\2.bat 4b5de56e33e310e79076fc2a4fe182bc30284608d8029285b09d0b12b7eb2e98.exe File opened for modification C:\PROGRA~1\FREERA~1\├└┼«└╓╘░.url cmd.exe File opened for modification C:\PROGRA~1\FREERA~1\╟º═┼═┼╣║.url cmd.exe File opened for modification C:\PROGRA~1\INTERN~1\ieframe.dll cmd.exe File opened for modification C:\PROGRA~1\FREERA~1\2.inf cmd.exe File created C:\Program Files\FreeRapid\1.bat 4b5de56e33e310e79076fc2a4fe182bc30284608d8029285b09d0b12b7eb2e98.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File created C:\windows\Comres.dll simc.tmp -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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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 runonce.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz runonce.exe -
description ioc Process Set value (data) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000043e2eb2e51ccf149ab640c8bdb0d7906000000000200000000001066000000010000200000003a5999a0a5d390eda9baa2038dc7d8a3edcb2786d7fbda16532686f90ff8018a000000000e800000000200002000000010e33388e6e6d4ce54accf74866ffc749bce0544eaff9b2041747892a7b596812000000003efa5a052d8f175b33df103dcafb0219815355e5dde2566f4733797e8147f8f4000000015de6fda40dbe9224df8775b2308fae1246b61bb32dd2c06cf2176cb536215d77fa8790ce4dbb6f65f08afa80156d93ab1425eb1e9d432e820b03876b914f158 iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = f078036a4be5d801 iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "30991691" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1035338433" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" iexplore.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Internet Explorer\Main reg.exe Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\henniu3333.site\NumberOfSubdomains = "1" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{68927D95-513E-11ED-A0EE-CA180515AB83} = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\DOMStorage\Total IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing iexplore.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\International\CpMRU\Size = "10" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\DOMStorage\www.henniu3333.site IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\Total\ = "189" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\International\CpMRU\Enable = "1" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\cnkankan.com IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30991691" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "373121385" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 1003fa694be5d801 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Main reg.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage iexplore.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\henniu3333.site\Total = "63" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\Total\ = "126" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\www.cnkankan.com\ = "126" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\cnkankan.com\Total = "126" IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\DOMStorage\cnkankan.com IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1035338433" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\International\CpMRU\InitHits = "100" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\International\CpMRU\Factor = "20" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\www.cnkankan.com\ = "63" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000043e2eb2e51ccf149ab640c8bdb0d7906000000000200000000001066000000010000200000004497a557d2d09c42c5b771ac0783c0071cb2066fccfc9f89219d11190d9de545000000000e800000000200002000000095d0988937d492fdd294831205bfd4fef61e9600a47bbd8c767681daea261af220000000f1f176b75978708b9c1a3b95100ed988de5e3eaa91ae69cd52ad5216e595588240000000131d9c2344451e429b4057989b3a2eb0fd496bac5d6bb926e3bb6f6c915e38e0a15c02e4d10dd783a15a589d314f642dd7d5eb59b979f5c4ceebe746150a0cc8 iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\International\CpMRU IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\www.henniu3333.site\ = "63" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\cnkankan.com\NumberOfSubdomains = "1" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\DOMStorage\henniu3333.site IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\cnkankan.com\Total = "63" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30991691" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\DOMStorage\www.cnkankan.com IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\IESettingSync IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\Total\ = "63" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1049721095" IEXPLORE.EXE -
Modifies Internet Explorer start page 1 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Main\Start Page = "http://www.82133.com/?r" reg.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Start Page = "http://www.82133.com/?r" reg.exe -
Modifies registry class 9 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{971C5380-92A0-5A69-B3EE-C3002B33309E}\Shell\open(&H)\Command\ = "wscript -e:vbs \"C:\\PROGRA~1\\FREERA~1\\3.bat\"" reg.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{971C5380-92A0-5A69-B3EE-C3002B33309E} reg.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{971C5380-92A0-5A69-B3EE-C3002B33309E}\IsShortCut reg.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{971C5380-92A0-5A69-B3EE-C3002B33309E}\Shell\open(&H)\Command reg.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID reg.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{971C5380-92A0-5A69-B3EE-C3002B33309E} reg.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node reg.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{971C5380-92A0-5A69-B3EE-C3002B33309E}\Shell reg.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{971C5380-92A0-5A69-B3EE-C3002B33309E}\Shell\open(&H) reg.exe -
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\68A12DE4422589E97E1C6396FE17B5024FE0547A simc.tmp Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\68A12DE4422589E97E1C6396FE17B5024FE0547A\Blob = 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 simc.tmp -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3460 simc.tmp 3460 simc.tmp -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeBackupPrivilege 3460 simc.tmp Token: SeRestorePrivilege 3460 simc.tmp Token: SeIncBasePriorityPrivilege 1776 4b5de56e33e310e79076fc2a4fe182bc30284608d8029285b09d0b12b7eb2e98.exe Token: SeIncBasePriorityPrivilege 3912 smap.tmp -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 868 iexplore.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 868 iexplore.exe 868 iexplore.exe 3044 IEXPLORE.EXE 3044 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 1776 wrote to memory of 3460 1776 4b5de56e33e310e79076fc2a4fe182bc30284608d8029285b09d0b12b7eb2e98.exe 87 PID 1776 wrote to memory of 3460 1776 4b5de56e33e310e79076fc2a4fe182bc30284608d8029285b09d0b12b7eb2e98.exe 87 PID 1776 wrote to memory of 3460 1776 4b5de56e33e310e79076fc2a4fe182bc30284608d8029285b09d0b12b7eb2e98.exe 87 PID 3460 wrote to memory of 3184 3460 simc.tmp 88 PID 3460 wrote to memory of 3184 3460 simc.tmp 88 PID 3460 wrote to memory of 3184 3460 simc.tmp 88 PID 1776 wrote to memory of 4224 1776 4b5de56e33e310e79076fc2a4fe182bc30284608d8029285b09d0b12b7eb2e98.exe 90 PID 1776 wrote to memory of 4224 1776 4b5de56e33e310e79076fc2a4fe182bc30284608d8029285b09d0b12b7eb2e98.exe 90 PID 1776 wrote to memory of 4224 1776 4b5de56e33e310e79076fc2a4fe182bc30284608d8029285b09d0b12b7eb2e98.exe 90 PID 1776 wrote to memory of 3172 1776 4b5de56e33e310e79076fc2a4fe182bc30284608d8029285b09d0b12b7eb2e98.exe 92 PID 1776 wrote to memory of 3172 1776 4b5de56e33e310e79076fc2a4fe182bc30284608d8029285b09d0b12b7eb2e98.exe 92 PID 1776 wrote to memory of 3172 1776 4b5de56e33e310e79076fc2a4fe182bc30284608d8029285b09d0b12b7eb2e98.exe 92 PID 4224 wrote to memory of 2228 4224 cmd.exe 94 PID 4224 wrote to memory of 2228 4224 cmd.exe 94 PID 4224 wrote to memory of 2228 4224 cmd.exe 94 PID 2228 wrote to memory of 868 2228 cmd.exe 96 PID 2228 wrote to memory of 868 2228 cmd.exe 96 PID 4224 wrote to memory of 3912 4224 cmd.exe 97 PID 4224 wrote to memory of 3912 4224 cmd.exe 97 PID 4224 wrote to memory of 3912 4224 cmd.exe 97 PID 2228 wrote to memory of 2844 2228 cmd.exe 98 PID 2228 wrote to memory of 2844 2228 cmd.exe 98 PID 2228 wrote to memory of 2844 2228 cmd.exe 98 PID 2228 wrote to memory of 3372 2228 cmd.exe 100 PID 2228 wrote to memory of 3372 2228 cmd.exe 100 PID 2228 wrote to memory of 3372 2228 cmd.exe 100 PID 3372 wrote to memory of 4844 3372 cmd.exe 101 PID 3372 wrote to memory of 4844 3372 cmd.exe 101 PID 3372 wrote to memory of 4844 3372 cmd.exe 101 PID 3372 wrote to memory of 3884 3372 cmd.exe 102 PID 3372 wrote to memory of 3884 3372 cmd.exe 102 PID 3372 wrote to memory of 3884 3372 cmd.exe 102 PID 3372 wrote to memory of 4752 3372 cmd.exe 103 PID 3372 wrote to memory of 4752 3372 cmd.exe 103 PID 3372 wrote to memory of 4752 3372 cmd.exe 103 PID 3372 wrote to memory of 3724 3372 cmd.exe 104 PID 3372 wrote to memory of 3724 3372 cmd.exe 104 PID 3372 wrote to memory of 3724 3372 cmd.exe 104 PID 868 wrote to memory of 3044 868 iexplore.exe 105 PID 868 wrote to memory of 3044 868 iexplore.exe 105 PID 868 wrote to memory of 3044 868 iexplore.exe 105 PID 3372 wrote to memory of 1864 3372 cmd.exe 106 PID 3372 wrote to memory of 1864 3372 cmd.exe 106 PID 3372 wrote to memory of 1864 3372 cmd.exe 106 PID 3372 wrote to memory of 4620 3372 cmd.exe 107 PID 3372 wrote to memory of 4620 3372 cmd.exe 107 PID 3372 wrote to memory of 4620 3372 cmd.exe 107 PID 3372 wrote to memory of 4380 3372 cmd.exe 108 PID 3372 wrote to memory of 4380 3372 cmd.exe 108 PID 3372 wrote to memory of 4380 3372 cmd.exe 108 PID 3372 wrote to memory of 1496 3372 cmd.exe 109 PID 3372 wrote to memory of 1496 3372 cmd.exe 109 PID 3372 wrote to memory of 1496 3372 cmd.exe 109 PID 1496 wrote to memory of 1596 1496 rundll32.exe 110 PID 1496 wrote to memory of 1596 1496 rundll32.exe 110 PID 1496 wrote to memory of 1596 1496 rundll32.exe 110 PID 1596 wrote to memory of 2544 1596 runonce.exe 111 PID 1596 wrote to memory of 2544 1596 runonce.exe 111 PID 1596 wrote to memory of 2544 1596 runonce.exe 111 PID 3912 wrote to memory of 3924 3912 smap.tmp 114 PID 3912 wrote to memory of 3924 3912 smap.tmp 114 PID 3912 wrote to memory of 3924 3912 smap.tmp 114 PID 4224 wrote to memory of 4620 4224 cmd.exe 115 PID 4224 wrote to memory of 4620 4224 cmd.exe 115 -
Views/modifies file attributes 1 TTPs 2 IoCs
pid Process 4620 attrib.exe 4380 attrib.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\4b5de56e33e310e79076fc2a4fe182bc30284608d8029285b09d0b12b7eb2e98.exe"C:\Users\Admin\AppData\Local\Temp\4b5de56e33e310e79076fc2a4fe182bc30284608d8029285b09d0b12b7eb2e98.exe"1⤵
- Checks computer location settings
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1776 -
C:\Users\Admin\AppData\Roaming\simc.tmpC:\Users\Admin\AppData\Roaming\simc.tmp2⤵
- Executes dropped EXE
- Drops file in Windows directory
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3460 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c afc9fe2f418b00a0.bat3⤵PID:3184
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\FMAMzwbd12.bat" "2⤵
- Suspicious use of WriteProcessMemory
PID:4224 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /K C:\PROGRA~1\FREERA~1\1.bat3⤵
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:2228 -
C:\PROGRA~1\INTERN~1\iexplore.exeC:\PROGRA~1\INTERN~1\IEXPLORE.EXE http://WWw.cnkankan.com/?821334⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:868 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:868 CREDAT:17410 /prefetch:25⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:3044
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C:\Windows\SysWOW64\rundll32.exerundll32 syssetup,SetupInfObjectInstallAction DefaultInstall 128 C:\PROGRA~1\FREERA~1\1.inf4⤵PID:2844
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /K C:\PROGRA~1\FREERA~1\2.bat4⤵
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:3372 -
C:\Windows\SysWOW64\reg.exereg add "HKLM\Software\Microsoft\Internet Explorer\Main" /v "Start Page" /d ""http://www.82133.com/?r"" /f5⤵
- Modifies Internet Explorer settings
- Modifies Internet Explorer start page
PID:4844
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C:\Windows\SysWOW64\reg.exereg add "HKCU\Software\Microsoft\Internet Explorer\Main" /v "Start Page" /d ""http://www.82133.com/?r"" /f5⤵
- Modifies Internet Explorer settings
- Modifies Internet Explorer start page
PID:3884
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C:\Windows\SysWOW64\reg.exereg add "HKCU\Software\tmp" /v "key" /d ""http://www.82133.com/?r"" /f5⤵PID:4752
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C:\Windows\SysWOW64\reg.exereg add "HKCR\CLSID\{971C5380-92A0-5A69-B3EE-C3002B33309E}" /v "IsShortCut" /d "" /f5⤵
- Modifies registry class
PID:3724
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C:\Windows\SysWOW64\reg.exereg add "HKCR\CLSID\{971C5380-92A0-5A69-B3EE-C3002B33309E}\Shell\open(&H)\Command" /v "" /d "wscript -e:vbs ""C:\PROGRA~1\FREERA~1\3.bat""" /f5⤵
- Modifies registry class
PID:1864
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C:\Windows\SysWOW64\attrib.exeattrib +s +h C:\PROGRA~1\FREERA~1\tmp\a.{971C5380-92A0-5A69-B3EE-C3002B33309E}5⤵
- Sets file to hidden
- Drops file in Program Files directory
- Views/modifies file attributes
PID:4620
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C:\Windows\SysWOW64\attrib.exeattrib +s +h C:\PROGRA~1\FREERA~1\tmp5⤵
- Sets file to hidden
- Drops file in Program Files directory
- Views/modifies file attributes
PID:4380
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C:\Windows\SysWOW64\rundll32.exerundll32 syssetup,SetupInfObjectInstallAction DefaultInstall 128 C:\PROGRA~1\FREERA~1\2.inf5⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1496 -
C:\Windows\SysWOW64\runonce.exe"C:\Windows\system32\runonce.exe" -r6⤵
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:1596 -
C:\Windows\SysWOW64\grpconv.exe"C:\Windows\System32\grpconv.exe" -o7⤵PID:2544
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C:\Users\Admin\AppData\Roaming\smap.tmpC:\Users\Admin\AppData\Roaming\smap.tmp3⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3912 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Roaming\smap.tmp > nul4⤵PID:3924
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\PROGRA~1\FreeRapid\resv.bin,MainLoad3⤵
- Loads dropped DLL
- Drops file in Program Files directory
PID:4620
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\4B5DE5~1.EXE > nul2⤵PID:3172
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
3KB
MD52b99b7f66b8ebba3071330bcbaccc022
SHA11a79cdcdd4dd3c9e22b45acdbc20a51da5f23e52
SHA2563ed44f8ec4dd76cadb989353a1ed4a578d93fbba2eb0997443000384e2fb7f09
SHA51203671ec8fbe45df652bddf47141fd017cfd86b25c034608be23eb82035b3e7504765d4fdc9c42e1bbb3de4b132476a5e7156d83fe1982be283c9ea51e9cc8671
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Filesize
492B
MD534c14b8530e1094e792527f7a474fe77
SHA1f71c4e9091140256b34c18220d1dd1efab1f301d
SHA256fe0dfb3458bfe2a3632d365e00765fa10f14d62e7dfa8b70a055c7eb9fdb6713
SHA51225bb09b526e1e9f5c6052f1f7c36b37c956c1b5649936af8df3abfcf120c931f3d2603e17a061cb99d8c8074bfb1973a5423cce89762fca53cd46aeb3e8944a2
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Filesize
3KB
MD566255a9ad2f8d7deaa5577ca57942871
SHA18003fcd6cf3edd5b053b2765c7178ae90832f370
SHA256553e76f0372969152c699aa8f02d0610114492cf1a0386cd425a6b6e861aa197
SHA512895951abacd29c28e2970096db9e694626952791f4ff84a77c4f584baae80eb9ef7206fa501d671c6983c9c08cce9016a6a572b65d79fc9f5da39cea9e2d4a04
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Filesize
230B
MD5f6dcb2862f6e7f9e69fb7d18668c59f1
SHA1bb23dbba95d8af94ecc36a7d2dd4888af2856737
SHA256c68fe97c64b68f00b3cc853ae6a6d324b470a558df57eac2593487978592eb2c
SHA512eefe630b776d2144df39e9c385824374b3d546e30293d7efe10cc2d6bf6f2c932162bf80add1c8ca58afcc868ad02b3ffc104c0f111f3827f4385ee9f26f5e75
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Filesize
5.8MB
MD5800e493a52d3f555b60e3bcde5fb9af8
SHA1dd22f095b9f2aaf71cebc5c8204ea3afdfab94b5
SHA2567b164d0ac59a56733d0bd57f2acfb1bff9d59f5f774368cfe61c7317d2294b07
SHA51214d6fd9656865b22187a90df9bee0ca631a0095c9182585119612315523540e1e622976c58e3e150346eb8a258d5bc601ce6beeade5c9fe86862ec6b6c22bfb4
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Filesize
57.2MB
MD51328f522ecc99f7323cbe1c39299b04c
SHA10b75ee848b5f4be17195d4eea1632761ee658c2d
SHA25608be591ac993f909630f58f64ec5e770f18ce6c80f0907865ee22c17f1925147
SHA51287635f343523810f0d2aea60b546e5ae52bd52c610aafc69c882ba02c153008df517e0f08ffb42235f340d60a7f33fa7df7a727eb6ec789b1ff9dc52ffd60b6e
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Filesize
57.2MB
MD51328f522ecc99f7323cbe1c39299b04c
SHA10b75ee848b5f4be17195d4eea1632761ee658c2d
SHA25608be591ac993f909630f58f64ec5e770f18ce6c80f0907865ee22c17f1925147
SHA51287635f343523810f0d2aea60b546e5ae52bd52c610aafc69c882ba02c153008df517e0f08ffb42235f340d60a7f33fa7df7a727eb6ec789b1ff9dc52ffd60b6e
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize471B
MD57550b85aee4221c59808672005ed8855
SHA1aeb269eff06f518132b9ecea824523fa125ba2d2
SHA2562b1c1e36c5419b7b3351aad8a08fee019473c832fe242ec2bf438b160d5eb8b2
SHA512216d401cb461099f7d2f3626957800cba77308b790ec181e2affb97339570bb9e168a56f3264cad79cd60589637679728fb2a87199a91667dc3ccfd4117f2bab
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize434B
MD5b99764b80e900e94b1c38b28a774d7d9
SHA110e05dbdcbe84e25d1895c8304e2468175836ddb
SHA256d709c99109a330d25fe1ba1836d2b2f374eb810b0074d257c8b9c16863bf65ba
SHA512fc81c2b0647a91bbd0a63c9f943ac6c754dc3eda626c5e73470ba732ed1b8076ee94130df59f81e78b5c96127a727417a9daa53f0a9189e9c848de42c1f3154f
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Filesize
1KB
MD5a64fee0477cc773240b551c985cc5ce3
SHA139ef29eab6548b33fdc3d96367344ed94865319b
SHA256fa0f2de7745b1038af9997f4ba04743ddbe3022dbb432eb03a6418deeb66f61d
SHA512003aa5de9c1580ffb3419e2bbdda98ee4c45b849848eb3224205b0db0d61747ec6f417c242a930cefd1991817c017ca327ef7190438e0af2a0d18956067eed87
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Filesize
150B
MD5a46b691be5eee69ff975ca45c311f018
SHA13b9bed578b7554252eb88f900ce398f25d01910a
SHA256a29ce165a0fbd6c8dfec21c891ac2a4d385ef1f7b29e92ae46b131e6694628f4
SHA5126b8acaa1871b6cb8d68bbabc48146b56f267abb329b9ac2357ac70911fd15bd668ff49260e12d54812fd4f066eed67e311414828ddbc3b9068b8b998edb9c08e
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Filesize
2KB
MD53d15f5598c7304d4620c459d16b672d6
SHA1d5fd318f2347ef63c062aef5658c5ad5934107c6
SHA25630d8d0e43a0eece7b003fbeb6077a07e910afe03199d3d0022fae0d4be94b7f6
SHA51209c2b357d31851c209d078e3787407555710b2b837ad94f11f9d113259a7f8bdda199c2cea45ab6338d1a8e4ec94f0cb663f13260c4e47383886cb897e9b9a10
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Filesize
691B
MD597f94bb975876582715e95f7751546bb
SHA1e1b07092d2454c2d95d8aa76bb44feedae59ce3e
SHA2561b6df88776e4b304fe01c9f495e16fb7116a5eacea2579ea07146a6e2324f7c1
SHA5127d1823c36abab4723094255fd98bfac8d9797f2e5d1c56930927e872ccb0f175c9046d63aaccb8ef3ebcd79adccb779c095e95cd277b383bf8c4f4ac4f2782f5
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Filesize
89KB
MD5f8514f3db861a162c678e44e66f0be68
SHA184d1011909e5d465ac3c287be37089bb18468bc0
SHA2568a843a53be0d7c60a1fdaac0ad0aa73cfb8172e927e8aa5f3556cdbac0e1a1ac
SHA5121b5cf852d5860b5728796224c4392ef2f74184b1b090792bfd21da10c7f761fdffd3c9e92924b1ef76be9921ba689f2c7966f0890713964240bb256710131a7f
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Filesize
89KB
MD5f8514f3db861a162c678e44e66f0be68
SHA184d1011909e5d465ac3c287be37089bb18468bc0
SHA2568a843a53be0d7c60a1fdaac0ad0aa73cfb8172e927e8aa5f3556cdbac0e1a1ac
SHA5121b5cf852d5860b5728796224c4392ef2f74184b1b090792bfd21da10c7f761fdffd3c9e92924b1ef76be9921ba689f2c7966f0890713964240bb256710131a7f
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Filesize
57.2MB
MD5af61bf2a4c371a97c46b2f98bbeef041
SHA118876bf173ab66467570ed13c8b97efd9aa0c535
SHA25697d4ce119efc72c9a74a874eb5b5d6dfda81fe85eee405280ef78537ae518fb1
SHA5128f5bc69653bfaf9888cec51a15ff053f987c5718a0e15f10fc21ce4e450b62f3886a2326973c2527699bb1d7b9a37f502970eddc16ef2df970c314ddd864ce7e
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Filesize
57.2MB
MD5af61bf2a4c371a97c46b2f98bbeef041
SHA118876bf173ab66467570ed13c8b97efd9aa0c535
SHA25697d4ce119efc72c9a74a874eb5b5d6dfda81fe85eee405280ef78537ae518fb1
SHA5128f5bc69653bfaf9888cec51a15ff053f987c5718a0e15f10fc21ce4e450b62f3886a2326973c2527699bb1d7b9a37f502970eddc16ef2df970c314ddd864ce7e