joker | cfbce68eb530d6fb065af83e2d4ff49607f1f4454f3a6b3fff1f297b6ba51541

Analysis

max time kernel
159s
max time network
168s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
19/09/2022, 04:23

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General

Target

cfbce68eb530d6fb065af83e2d4ff49607f1f4454f3a6b3fff1f297b6ba51541.exe
Size

168KB
MD5

28dbcd56d17390aeb99c7ea92417867c
SHA1

b6a9aac9c8ac92a5716c5261893f8f4b2a06166e
SHA256

cfbce68eb530d6fb065af83e2d4ff49607f1f4454f3a6b3fff1f297b6ba51541
SHA512

32d1b4f7df2d5fe4bd68b3fcb9e94c47064110820279ce76f760006a7fe269309fc5fa1b9e7f4dd4fd77ee4a66e92f966acbe0ada962697b87a1c07a9d9beac5
SSDEEP

1536:aHob+TnkkpRNGojAbnXlkjZ2G+7ErBnOZn2KcGO3Ekm+7UmNhG6n3+h:sOukkJGoEbXldaE5eAb

Score

10^/10

joker evasion infostealer persistence trojan

Malware Config

Signatures

joker
Joker is an Android malware that targets billing and SMS fraud.
infostealer trojan joker

Executes dropped EXE 1 IoCs

pid	Process
1952	inl6728.tmp

Sets file to hidden 1 TTPs 2 IoCs

Modifies file attributes to stop it showing in Explorer etc.

evasion

Hidden Files and Directories

T1158

pid	Process
2200	attrib.exe
3824	attrib.exe

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	cfbce68eb530d6fb065af83e2d4ff49607f1f4454f3a6b3fff1f297b6ba51541.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	inl6728.tmp

Adds Run key to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\hsdfasd = "\"C:\\Users\\Admin\\AppData\\Roaming\\PPLive\\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 2 IoCs

description	ioc	Process
File created	C:\PROGRA~1\INTERN~1\ieframe.dll	cmd.exe
File opened for modification	C:\PROGRA~1\INTERN~1\ieframe.dll	cmd.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

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

Modifies Internet Explorer settings 1 TTPs 64 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "4153281572"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\International\CpMRU\InitHits = "100"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\henniu425.site\Total = "63"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\www.cnkankan.com\ = "126"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "4153281572"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\DOMStorage\www.henniu425.site	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = c03dc113ffcbd801	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30985214"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\cnkankan.com\Total = "126"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "30985214"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\www.cnkankan.com\ = "63"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\Total\ = "126"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\DOMStorage\Total	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "4151095785"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\DOMStorage\henniu425.site	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = f09bb013ffcbd801	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{21F81A38-37F2-11ED-B696-F6DE28FD18F9} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\Total\ = "189"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\IESettingSync	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Internet Explorer\Main	reg.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\International\CpMRU\Factor = "20"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\International\CpMRU\Size = "10"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\DOMStorage\www.cnkankan.com	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\cnkankan.com	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\cnkankan.com\NumberOfSubdomains = "1"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\International\CpMRU\Enable = "1"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30985214"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\henniu425.site\NumberOfSubdomains = "1"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000e2728ad8693e804caf0ad2c227b142160000000002000000000010660000000100002000000016e4f557cbb10a34627d8b4cd2487e2765dcc3eaa02cb51c5cff71a56777e2e9000000000e80000000020000200000001c61bafd0f923d0323f269900801d9d0fe5ae1dc5cf69656ebf32c6229d8a49120000000dd770ced4ba3511118c7d7291d58bd6e4791ca1e0c917e4cf80b6da24a5810d4400000007b623cbdf9777cae3e688912c404a21c90da8c4f568278920929ba886d0504e8447819d1b0f4776258da09d28aa2b4ee291e26773ed3330bd1742927c92af865	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Main	reg.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\DOMStorage\cnkankan.com	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "4151095785"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\International\CpMRU	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\Total\ = "63"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "30985214"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000e2728ad8693e804caf0ad2c227b14216000000000200000000001066000000010000200000002ada2a64860e44afe93e1b7a2d06bbde766ad89ed0cc1c66e9e6cb9aebc3e022000000000e8000000002000020000000b1d311b564cc6000ebcef1ba6532c17f76ed1e0f3d15667c2a13d83bd976396620000000cf2c0b3bab4643075918b85c61094fadbc858fba93d2ef2e3173e6aa0cc48dc2400000002dd0995b9195cf2681800249f622dc6199a1750e1acba4843dce94bedb9b8671231c9b94d57cccd3d89fd466840ba0b3e81069317c03c49bcc6dedfd736a0583	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "370339838"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\cnkankan.com\Total = "63"	IEXPLORE.EXE

Modifies Internet Explorer start page 1 TTPs 2 IoCs

stealer

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Main\Start Page = "http://www.82133.com/?o"	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Start Page = "http://www.82133.com/?o"	reg.exe

Modifies registry class 9 IoCs

description	ioc	Process
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	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	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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{971C5380-92A0-5A69-B3EE-C3002B33309E}\Shell\open(&H)\Command\ = "wscript -e:vbs \"C:\\Users\\Admin\\AppData\\Roaming\\PPLive\\3.bat\""	reg.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{971C5380-92A0-5A69-B3EE-C3002B33309E}	reg.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	4768	cfbce68eb530d6fb065af83e2d4ff49607f1f4454f3a6b3fff1f297b6ba51541.exe
Token: SeIncBasePriorityPrivilege	1952	inl6728.tmp

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3256	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3256	iexplore.exe
3256	iexplore.exe
1152	IEXPLORE.EXE
1152	IEXPLORE.EXE
1152	IEXPLORE.EXE
1152	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 59 IoCs

description	pid	Process	procid_target
PID 4768 wrote to memory of 116	4768	cfbce68eb530d6fb065af83e2d4ff49607f1f4454f3a6b3fff1f297b6ba51541.exe	87
PID 4768 wrote to memory of 116	4768	cfbce68eb530d6fb065af83e2d4ff49607f1f4454f3a6b3fff1f297b6ba51541.exe	87
PID 4768 wrote to memory of 116	4768	cfbce68eb530d6fb065af83e2d4ff49607f1f4454f3a6b3fff1f297b6ba51541.exe	87
PID 116 wrote to memory of 4532	116	cmd.exe	89
PID 116 wrote to memory of 4532	116	cmd.exe	89
PID 116 wrote to memory of 4532	116	cmd.exe	89
PID 4532 wrote to memory of 3256	4532	cmd.exe	91
PID 4532 wrote to memory of 3256	4532	cmd.exe	91
PID 4532 wrote to memory of 3032	4532	cmd.exe	92
PID 4532 wrote to memory of 3032	4532	cmd.exe	92
PID 4532 wrote to memory of 3032	4532	cmd.exe	92
PID 4532 wrote to memory of 3808	4532	cmd.exe	93
PID 4532 wrote to memory of 3808	4532	cmd.exe	93
PID 4532 wrote to memory of 3808	4532	cmd.exe	93
PID 4768 wrote to memory of 1952	4768	cfbce68eb530d6fb065af83e2d4ff49607f1f4454f3a6b3fff1f297b6ba51541.exe	95
PID 4768 wrote to memory of 1952	4768	cfbce68eb530d6fb065af83e2d4ff49607f1f4454f3a6b3fff1f297b6ba51541.exe	95
PID 4768 wrote to memory of 1952	4768	cfbce68eb530d6fb065af83e2d4ff49607f1f4454f3a6b3fff1f297b6ba51541.exe	95
PID 3808 wrote to memory of 2472	3808	cmd.exe	97
PID 3808 wrote to memory of 2472	3808	cmd.exe	97
PID 3808 wrote to memory of 2472	3808	cmd.exe	97
PID 4768 wrote to memory of 1820	4768	cfbce68eb530d6fb065af83e2d4ff49607f1f4454f3a6b3fff1f297b6ba51541.exe	96
PID 4768 wrote to memory of 1820	4768	cfbce68eb530d6fb065af83e2d4ff49607f1f4454f3a6b3fff1f297b6ba51541.exe	96
PID 4768 wrote to memory of 1820	4768	cfbce68eb530d6fb065af83e2d4ff49607f1f4454f3a6b3fff1f297b6ba51541.exe	96
PID 3808 wrote to memory of 2488	3808	cmd.exe	98
PID 3808 wrote to memory of 2488	3808	cmd.exe	98
PID 3808 wrote to memory of 2488	3808	cmd.exe	98
PID 3256 wrote to memory of 1152	3256	iexplore.exe	101
PID 3256 wrote to memory of 1152	3256	iexplore.exe	101
PID 3256 wrote to memory of 1152	3256	iexplore.exe	101
PID 3808 wrote to memory of 3892	3808	cmd.exe	100
PID 3808 wrote to memory of 3892	3808	cmd.exe	100
PID 3808 wrote to memory of 3892	3808	cmd.exe	100
PID 3808 wrote to memory of 1856	3808	cmd.exe	102
PID 3808 wrote to memory of 1856	3808	cmd.exe	102
PID 3808 wrote to memory of 1856	3808	cmd.exe	102
PID 3808 wrote to memory of 4240	3808	cmd.exe	103
PID 3808 wrote to memory of 4240	3808	cmd.exe	103
PID 3808 wrote to memory of 4240	3808	cmd.exe	103
PID 3808 wrote to memory of 3824	3808	cmd.exe	105
PID 3808 wrote to memory of 3824	3808	cmd.exe	105
PID 3808 wrote to memory of 3824	3808	cmd.exe	105
PID 3808 wrote to memory of 2200	3808	cmd.exe	104
PID 3808 wrote to memory of 2200	3808	cmd.exe	104
PID 3808 wrote to memory of 2200	3808	cmd.exe	104
PID 3808 wrote to memory of 2504	3808	cmd.exe	106
PID 3808 wrote to memory of 2504	3808	cmd.exe	106
PID 3808 wrote to memory of 2504	3808	cmd.exe	106
PID 2504 wrote to memory of 776	2504	rundll32.exe	107
PID 2504 wrote to memory of 776	2504	rundll32.exe	107
PID 2504 wrote to memory of 776	2504	rundll32.exe	107
PID 3808 wrote to memory of 940	3808	cmd.exe	108
PID 3808 wrote to memory of 940	3808	cmd.exe	108
PID 3808 wrote to memory of 940	3808	cmd.exe	108
PID 776 wrote to memory of 4256	776	runonce.exe	109
PID 776 wrote to memory of 4256	776	runonce.exe	109
PID 776 wrote to memory of 4256	776	runonce.exe	109
PID 1952 wrote to memory of 852	1952	inl6728.tmp	113
PID 1952 wrote to memory of 852	1952	inl6728.tmp	113
PID 1952 wrote to memory of 852	1952	inl6728.tmp	113

Views/modifies file attributes 1 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1158

pid	Process
2200	attrib.exe
3824	attrib.exe

C:\Users\Admin\AppData\Local\Temp\cfbce68eb530d6fb065af83e2d4ff49607f1f4454f3a6b3fff1f297b6ba51541.exe
"C:\Users\Admin\AppData\Local\Temp\cfbce68eb530d6fb065af83e2d4ff49607f1f4454f3a6b3fff1f297b6ba51541.exe"
1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4768
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\teacher2011_check.bat" "
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:116
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /K C:\Users\Admin\AppData\Roaming\PPLive\1.bat
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4532
  - - C:\PROGRA~1\INTERN~1\iexplore.exe
      C:\PROGRA~1\INTERN~1\IEXPLORE.EXE http://WWw.cnkankan.com/?82133
      4⤵
      Modifies Internet Explorer settings
      Suspicious use of FindShellTrayWindow
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:3256
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3256 CREDAT:17410 /prefetch:2
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:1152
  - - C:\Windows\SysWOW64\rundll32.exe
      rundll32 syssetup,SetupInfObjectInstallAction DefaultInstall 128 C:\Users\Admin\AppData\Roaming\PPLive\1.inf
      4⤵
      PID:3032
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /K C:\Users\Admin\AppData\Roaming\PPLive\2.bat
      4⤵
      Drops file in Program Files directory
      Suspicious use of WriteProcessMemory
      PID:3808
    - - C:\Windows\SysWOW64\reg.exe
        
        reg add "HKLM\Software\Microsoft\Internet Explorer\Main" /v "Start Page" /d ""http://www.82133.com/?o"" /f
        5⤵
        Modifies Internet Explorer settings
        Modifies Internet Explorer start page
        
        PID:2472
    - - C:\Windows\SysWOW64\reg.exe
        
        reg add "HKCU\Software\Microsoft\Internet Explorer\Main" /v "Start Page" /d ""http://www.82133.com/?o"" /f
        5⤵
        Modifies Internet Explorer settings
        Modifies Internet Explorer start page
        
        PID:2488
    - - C:\Windows\SysWOW64\reg.exe
        
        reg add "HKCU\Software\tmp" /v "key" /d ""http://www.82133.com/?o"" /f
        5⤵
        
        PID:3892
    - - C:\Windows\SysWOW64\reg.exe
        
        reg add "HKCR\CLSID\{971C5380-92A0-5A69-B3EE-C3002B33309E}" /v "IsShortCut" /d "" /f
        5⤵
        Modifies registry class
        
        PID:1856
    - - C:\Windows\SysWOW64\reg.exe
        
        reg add "HKCR\CLSID\{971C5380-92A0-5A69-B3EE-C3002B33309E}\Shell\open(&H)\Command" /v "" /d "wscript -e:vbs ""C:\Users\Admin\AppData\Roaming\PPLive\3.bat""" /f
        5⤵
        Modifies registry class
        
        PID:4240
    - - C:\Windows\SysWOW64\attrib.exe
        
        attrib +s +h C:\Users\Admin\AppData\Roaming\PPLive\tmp
        5⤵
        Sets file to hidden
        Views/modifies file attributes
        
        PID:2200
    - - C:\Windows\SysWOW64\attrib.exe
        
        attrib +s +h C:\Users\Admin\AppData\Roaming\PPLive\tmp\a.{971C5380-92A0-5A69-B3EE-C3002B33309E}
        5⤵
        Sets file to hidden
        Views/modifies file attributes
        
        PID:3824
    - - C:\Windows\SysWOW64\rundll32.exe
        
        rundll32 syssetup,SetupInfObjectInstallAction DefaultInstall 128 C:\Users\Admin\AppData\Roaming\PPLive\2.inf
        5⤵
        Adds Run key to start application
        Suspicious use of WriteProcessMemory
        
        PID:2504
      - C:\Windows\SysWOW64\runonce.exe
        
        "C:\Windows\system32\runonce.exe" -r
        6⤵
        Checks processor information in registry
        Suspicious use of WriteProcessMemory
        
        PID:776
        
        C:\Windows\SysWOW64\grpconv.exe
        
        "C:\Windows\System32\grpconv.exe" -o
        7⤵
        
        PID:4256
    - - C:\Windows\SysWOW64\rundll32.exe
        
        rundll32 D:\VolumeDH\inj.dat,MainLoad
        5⤵
        
        PID:940
- C:\Users\Admin\AppData\Local\Temp\inl6728.tmp
  C:\Users\Admin\AppData\Local\Temp\inl6728.tmp
  2⤵
  - Executes dropped EXE
  - Checks computer location settings
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1952
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\inl6728.tmp > nul
    3⤵
    PID:852
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\CFBCE6~1.EXE > nul
  2⤵
  PID:1820

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Hidden Files and Directories

T1158

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Hidden Files and Directories

T1158

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Filesize
471B

MD5
1520b1f0e8660cc8553264ce46871efd

SHA1
70c43f2c0b7599f782461590f8e1650a2df5dbfe

SHA256
8bb8dd5446da57093db31c10b4093a2378a9324f137d3eaa21ab0027e191c09e

SHA512
6ad8d5f620738988286981654070c9a4e2542f629f4e5245381143a2a88c98922145759ff8d90546e1a617639a7dd335ddca4aba5435fb216c01c705bc4f0be0

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Filesize
404B

MD5
4a1e499ccb7ae4b5e72046e34266b2ee

SHA1
437e60ddf9266e7d5487d5a5cf039417b3096826

SHA256
2ec52035b2a427c6087c4f3b488c6e498a18ec31092f8906154c829d5700e83a

SHA512
d87d8bcbc198eb015388061c3cb25375758cc6307b416cb4f873c6eec70944c1bc54234942f41fdce7c856c9c09dea6eb9224f54eb139ea113178b6e1fabdebd

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\imagestore\dqptnfu\imagestore.dat

Filesize
1KB

MD5
2737078513f3afeb27122819c512efe9

SHA1
9455fa01fdb0eff86469acfe2f6aa07bf61a2c2c

SHA256
392065181751790564ba7477f95e5d92868ccd4c430aaa5fea53526eaff943d5

SHA512
0782b7acbc34874fc795b2aa82213e1f4d9cf91550d28c884a680c9f23fd093da0aed3c6e07968c0794c6978dfded864710ab0f2a72a77a4c8e97ec220b0aaba

Download Submit
C:\Users\Admin\AppData\Local\Temp\inl6728.tmp

Filesize
57.2MB

MD5
7137886a7cc211eaa0d427d627db30dd

SHA1
3cf9d9922d358fd7a5977ddab4c20c7fcba4d153

SHA256
d209c0f9a053dd978aa583054c67bde0b5d9a8915a9d1d6d9bcce4043bdc7f66

SHA512
e96e6bbb6f1f1610f54dc1f059780c578bcfb5eb0331b4fe12cad9c4499318045c929c9a9578ee8218531e72a93a27d434b9a476cf5c4a3e5561882b794cfe29

Download Submit
C:\Users\Admin\AppData\Local\Temp\inl6728.tmp

Filesize
57.2MB

MD5
7137886a7cc211eaa0d427d627db30dd

SHA1
3cf9d9922d358fd7a5977ddab4c20c7fcba4d153

SHA256
d209c0f9a053dd978aa583054c67bde0b5d9a8915a9d1d6d9bcce4043bdc7f66

SHA512
e96e6bbb6f1f1610f54dc1f059780c578bcfb5eb0331b4fe12cad9c4499318045c929c9a9578ee8218531e72a93a27d434b9a476cf5c4a3e5561882b794cfe29

Download Submit
C:\Users\Admin\AppData\Local\Temp\teacher2011_check.bat

Filesize
53B

MD5
23962a245f75fe25510051582203aff1

SHA1
20832a3a1179bb2730194d2f7738d41d5d669a43

SHA256
1abcea214b9b2bd76cc04be07ae2d4d70371e6ca443d99f4f1327afe7a5fc647

SHA512
dc36b64f2dbb710652900a31295c148760b0c44eae13515aa29613916c9dffe3d8e55ba61568f7c27b43bf0c341f7dcd4b9c721f81627fc6bb915b15c358fe80

Download Submit
C:\Users\Admin\AppData\Local\Temp\winrar_config.tmp

Filesize
660B

MD5
c40ea8f677b3f48bfb7f4cfc6d3f03ab

SHA1
10b94afd8e6ea98a3c8a955304f9ce660b0c380a

SHA256
b1a31a74cc88d0f8e39aaebf58a724b89391dc3fbac733953790edf8ded8172c

SHA512
409b8a45576bf08e185446b13a512c115df7483ff8ec30ea51ee93ee1ac8153ae3b615650ff69a5d1e41fa0cd57fcdc4c5d03b4b4453431114ac018f48e194d9

Download Submit
C:\Users\Admin\AppData\Roaming\PPLive\1.bat

Filesize
3KB

MD5
b7c5e3b416b1d1b5541ef44662e1a764

SHA1
8bff7ea2be2f3cf29f2381d8007198b5991ca3ae

SHA256
f1a2f9fdebb3cac24756e53fa5e1628b2bd1cc130480c1878e3b3bc880575cd1

SHA512
65dbd6a7a7cf6fec00e6b0f1d7d5655769e6087ad09cad74c91c5a3395e675ac8f9df5c7185327e6f8dd03ddb60504400f54237d9e4b53c8b08e7e3d41ee61fc

Download Submit
C:\Users\Admin\AppData\Roaming\PPLive\1.inf

Filesize
492B

MD5
34c14b8530e1094e792527f7a474fe77

SHA1
f71c4e9091140256b34c18220d1dd1efab1f301d

SHA256
fe0dfb3458bfe2a3632d365e00765fa10f14d62e7dfa8b70a055c7eb9fdb6713

SHA512
25bb09b526e1e9f5c6052f1f7c36b37c956c1b5649936af8df3abfcf120c931f3d2603e17a061cb99d8c8074bfb1973a5423cce89762fca53cd46aeb3e8944a2

Download Submit
C:\Users\Admin\AppData\Roaming\PPLive\2.bat

Filesize
3KB

MD5
6b78cb8ced798ca5df5612dd62ce0965

SHA1
5a9c299393b96b0bf8f6770e3c7b0318a9e2e0cf

SHA256
81f64f42edfac2863a55db8fabd528c4eefc67f7e658cad6a57eeec862e444e3

SHA512
b387ba10021f3284d1406d520a2c8b3ba0c87922d67c79394c1aa50c631194519ac6bb5b898956533f040d48e1c7b202734e0075f8fc8c8bfab82c8ef359b28e

Download Submit
C:\Users\Admin\AppData\Roaming\PPLive\2.inf

Filesize
247B

MD5
ca436f6f187bc049f9271ecdcbf348fa

SHA1
bf8a548071cfc150f7affb802538edf03d281106

SHA256
6cdfa9b7f0e1e4ee16bc8ce5d7448d47ea8866c1f55f3e56be5c2a4d183ca534

SHA512
d19e20aabddad6b0284f8c1d473e9180f30b49d4d8b54f26e7c8630228e16b1f6ba04023c5e8b1993d8a10d97adcfff683b216f79b9981bf16181641aebdd591

Download Submit
C:\Users\Admin\AppData\Roaming\PPLive\4.bat

Filesize
5.8MB

MD5
bf95d74f5333ffef37b9a53e8cd9c2f1

SHA1
c17cf641f71d29d7f489a078dc969673bb201f3a

SHA256
d08f62e865f2f65f73d15264e99578e09c20b939ba7333593129f03ed9286a92

SHA512
5f6d356810c1e427c4fd4885e574adbd7ba4d7b064f862371f19d8a4e391d7f05a5f628205e4869661f34e7b512eed549c24f03507aab574bff3571cdba2d7ea

Download Submit
memory/3256-178-0x00007FFC9A830000-0x00007FFC9A89E000-memory.dmp

Filesize
440KB

Download
memory/3256-207-0x00007FFC9A830000-0x00007FFC9A89E000-memory.dmp

Filesize
440KB

Download
memory/3256-163-0x00007FFC9A830000-0x00007FFC9A89E000-memory.dmp

Filesize
440KB

Download
memory/3256-160-0x00007FFC9A830000-0x00007FFC9A89E000-memory.dmp

Filesize
440KB

Download
memory/3256-165-0x00007FFC9A830000-0x00007FFC9A89E000-memory.dmp

Filesize
440KB

Download
memory/3256-158-0x00007FFC9A830000-0x00007FFC9A89E000-memory.dmp

Filesize
440KB

Download
memory/3256-168-0x00007FFC9A830000-0x00007FFC9A89E000-memory.dmp

Filesize
440KB

Download
memory/3256-155-0x00007FFC9A830000-0x00007FFC9A89E000-memory.dmp

Filesize
440KB

Download
memory/3256-171-0x00007FFC9A830000-0x00007FFC9A89E000-memory.dmp

Filesize
440KB

Download
memory/3256-156-0x00007FFC9A830000-0x00007FFC9A89E000-memory.dmp

Filesize
440KB

Download
memory/3256-152-0x00007FFC9A830000-0x00007FFC9A89E000-memory.dmp

Filesize
440KB

Download
memory/3256-151-0x00007FFC9A830000-0x00007FFC9A89E000-memory.dmp

Filesize
440KB

Download
memory/3256-138-0x00007FFC9A830000-0x00007FFC9A89E000-memory.dmp

Filesize
440KB

Download
memory/3256-177-0x00007FFC9A830000-0x00007FFC9A89E000-memory.dmp

Filesize
440KB

Download
memory/3256-140-0x00007FFC9A830000-0x00007FFC9A89E000-memory.dmp

Filesize
440KB

Download
memory/3256-179-0x00007FFC9A830000-0x00007FFC9A89E000-memory.dmp

Filesize
440KB

Download
memory/3256-150-0x00007FFC9A830000-0x00007FFC9A89E000-memory.dmp

Filesize
440KB

Download
memory/3256-149-0x00007FFC9A830000-0x00007FFC9A89E000-memory.dmp

Filesize
440KB

Download
memory/3256-183-0x00007FFC9A830000-0x00007FFC9A89E000-memory.dmp

Filesize
440KB

Download
memory/3256-147-0x00007FFC9A830000-0x00007FFC9A89E000-memory.dmp

Filesize
440KB

Download
memory/3256-185-0x00007FFC9A830000-0x00007FFC9A89E000-memory.dmp

Filesize
440KB

Download
memory/3256-216-0x00007FFC9A830000-0x00007FFC9A89E000-memory.dmp

Filesize
440KB

Download
memory/3256-190-0x00007FFC9A830000-0x00007FFC9A89E000-memory.dmp

Filesize
440KB

Download
memory/3256-146-0x00007FFC9A830000-0x00007FFC9A89E000-memory.dmp

Filesize
440KB

Download
memory/3256-188-0x00007FFC9A830000-0x00007FFC9A89E000-memory.dmp

Filesize
440KB

Download
memory/3256-187-0x00007FFC9A830000-0x00007FFC9A89E000-memory.dmp

Filesize
440KB

Download
memory/3256-215-0x00007FFC9A830000-0x00007FFC9A89E000-memory.dmp

Filesize
440KB

Download
memory/3256-194-0x00007FFC9A830000-0x00007FFC9A89E000-memory.dmp

Filesize
440KB

Download
memory/3256-209-0x00007FFC9A830000-0x00007FFC9A89E000-memory.dmp

Filesize
440KB

Download
memory/3256-196-0x00007FFC9A830000-0x00007FFC9A89E000-memory.dmp

Filesize
440KB

Download
memory/3256-197-0x00007FFC9A830000-0x00007FFC9A89E000-memory.dmp

Filesize
440KB

Download
memory/3256-144-0x00007FFC9A830000-0x00007FFC9A89E000-memory.dmp

Filesize
440KB

Download
memory/3256-198-0x00007FFC9A830000-0x00007FFC9A89E000-memory.dmp

Filesize
440KB

Download
memory/3256-145-0x00007FFC9A830000-0x00007FFC9A89E000-memory.dmp

Filesize
440KB

Download
memory/3256-201-0x00007FFC9A830000-0x00007FFC9A89E000-memory.dmp

Filesize
440KB

Download
memory/3256-142-0x00007FFC9A830000-0x00007FFC9A89E000-memory.dmp

Filesize
440KB

Download
memory/3256-161-0x00007FFC9A830000-0x00007FFC9A89E000-memory.dmp

Filesize
440KB

Download
memory/3256-210-0x00007FFC9A830000-0x00007FFC9A89E000-memory.dmp

Filesize
440KB

Download
memory/3256-212-0x00007FFC9A830000-0x00007FFC9A89E000-memory.dmp

Filesize
440KB

Download
memory/3256-213-0x00007FFC9A830000-0x00007FFC9A89E000-memory.dmp

Filesize
440KB

Download
memory/3256-211-0x00007FFC9A830000-0x00007FFC9A89E000-memory.dmp

Filesize
440KB

Download
memory/4768-132-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/4768-175-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads