joker | b897b6b0ab04f40c82baee47e302a5201adb0efe6a70131f57f0c9bc023f3cc0

Analysis

max time kernel
146s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
19-09-2022 00:00

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General

Target

b897b6b0ab04f40c82baee47e302a5201adb0efe6a70131f57f0c9bc023f3cc0.exe
Size

58KB
MD5

3d03d06498147d9797b194483343e7bc
SHA1

82a6fc72b53a6172552f5652eeff3978193c4bd5
SHA256

b897b6b0ab04f40c82baee47e302a5201adb0efe6a70131f57f0c9bc023f3cc0
SHA512

dfb51b709a006baf3da587c681c93cbc94802aa0e47daae3ce5ecb97c4a9a7296527528335482b05cfbcc278b5f5651e10179dc9ef3a913015f3cd102370e84c
SSDEEP

768:61tCn/5uXkmSAV+HIJVtGTdLbRbMlvgIMYToQFTZJK536KQyi/7cgqT:WqoX8AV+otOdfIgIMYToQF9JKl3iTcgq

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
4588	inl4400.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
3112	attrib.exe
4580	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-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	b897b6b0ab04f40c82baee47e302a5201adb0efe6a70131f57f0c9bc023f3cc0.exe
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	inl4400.tmp

Adds Run key to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\GrpConv = "grpconv -o"	rundll32.exe
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

Drops file in Program Files directory 15 IoCs

description	ioc	Process
File created	C:\PROGRA~1\INTERN~1\ieframe.dll	cmd.exe
File opened for modification	C:\PROGRA~1\FREERA~1\tmp	attrib.exe
File created	C:\Program Files\FreeRapid\4.bat	b897b6b0ab04f40c82baee47e302a5201adb0efe6a70131f57f0c9bc023f3cc0.exe
File opened for modification	C:\PROGRA~1\FREERA~1\┐┤┐┤╡τ╙░.url	cmd.exe
File opened for modification	C:\PROGRA~1\FREERA~1\░╦╪╘╔½═╝.url	cmd.exe
File opened for modification	C:\PROGRA~1\FREERA~1\2.inf	cmd.exe
File opened for modification	C:\PROGRA~1\FREERA~1\├└┼«└╓╘░.url	cmd.exe
File opened for modification	C:\PROGRA~1\FREERA~1\╠╘▒ª╣║╬∩.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\1.inf	cmd.exe
File opened for modification	C:\PROGRA~1\FREERA~1\3.bat	cmd.exe
File created	C:\Program Files\FreeRapid\1.bat	b897b6b0ab04f40c82baee47e302a5201adb0efe6a70131f57f0c9bc023f3cc0.exe
File created	C:\Program Files\FreeRapid\2.bat	b897b6b0ab04f40c82baee47e302a5201adb0efe6a70131f57f0c9bc023f3cc0.exe
File opened for modification	C:\PROGRA~1\FREERA~1\╟º═┼═┼╣║.url	cmd.exe
File opened for modification	C:\PROGRA~1\FREERA~1\tmp\a.{971C5380-92A0-5A69-B3EE-C3002B33309E}	attrib.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
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Internet Explorer\Main	reg.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Main	reg.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\TabbedBrowsing	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\International\CpMRU\Enable = "1"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\henniu426.site\Total = "63"	IEXPLORE.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\DOMStorage\Total	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\IESettingSync	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000043e2eb2e51ccf149ab640c8bdb0d79060000000002000000000010660000000100002000000075e4adc3ac9d2071e575e305d3484203f5ccbfced6070bbb7b7afd7c438695e6000000000e80000000020000200000008eb6279327886587173b00caf3c3cbd9ee3a7ab223df3b35dda8d1cd62a5cd5f2000000043b37fd0db9217bb2f36c903b337af10099e2f7e7512474f5f5908f3c563b5274000000060155ec09ce4e8db7d1bad655dbcd0c0006a92e1403eede4156bcb1d9d75093ab0b59e1825babc48688e9dae00d18e05770875a5035b5cf76182a43fcacbd6c8	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "30985149"	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 (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{E54096AE-37B0-11ED-A0EE-D64C4877EDD1} = "0"	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\DOMStorage\www.cnkankan.com	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "370311821"	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 (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\VersionManager\LastCheckForUpdateLowDateTime = "3128059325"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3140716460"	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 (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\DOMStorage\henniu426.site\NumberOfSubdomains = "1"	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\VersionManager\LastTTLLowDateTime = "1251635200"	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\DOMStorage	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000043e2eb2e51ccf149ab640c8bdb0d7906000000000200000000001066000000010000200000006a44bfb018cf7d0d88a5cf7e3e111f32c0b1867f1d211e3d0662e9262c61081c000000000e8000000002000020000000acd17cb78fc373123060d15e244e69163bd116f846c51c34aafbe1ae91ffe8e020000000f8c303090c85fcd8f1132204bd78a26517a18e673b2f4b658ba051d67804cff640000000e7a00c823c79d33bb0e5e794d4a26d78eedc7b13490a395e85a112ee4fe8bdd1fd2b600c04ac7e1dd2c34603729117bcffdc1a70302149ff9e251829638ce71f	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\International\CpMRU\InitHits = "100"	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 (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\International\CpMRU	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\cnkankan.com	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	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\DOMStorage\Total\ = "126"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\DOMStorage\henniu426.site	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\www.henniu426.site\ = "63"	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\Size = "10"	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\DOMStorage\www.cnkankan.com\ = "63"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	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\VersionManager\LastUpdateLowDateTime = "3128059325"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30985149"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 401b20c6bdcbd801	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.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\DOMStorage\www.henniu426.site	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30985149"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 10bd30c6bdcbd801	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\ = "189"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	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\International\CpMRU\Factor = "20"	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
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\www.cnkankan.com\ = "126"	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-1-5-21-929662420-1054238289-2961194603-1000\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	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
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\{971C5380-92A0-5A69-B3EE-C3002B33309E}	reg.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{971C5380-92A0-5A69-B3EE-C3002B33309E}\Shell\open(&H)	reg.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	1396	b897b6b0ab04f40c82baee47e302a5201adb0efe6a70131f57f0c9bc023f3cc0.exe
Token: SeIncBasePriorityPrivilege	4588	inl4400.tmp

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4672	iexplore.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4672	iexplore.exe
4672	iexplore.exe
3464	IEXPLORE.EXE
3464	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 59 IoCs

description	pid	Process	procid_target
PID 1396 wrote to memory of 1288	1396	b897b6b0ab04f40c82baee47e302a5201adb0efe6a70131f57f0c9bc023f3cc0.exe	92
PID 1396 wrote to memory of 1288	1396	b897b6b0ab04f40c82baee47e302a5201adb0efe6a70131f57f0c9bc023f3cc0.exe	92
PID 1396 wrote to memory of 1288	1396	b897b6b0ab04f40c82baee47e302a5201adb0efe6a70131f57f0c9bc023f3cc0.exe	92
PID 1288 wrote to memory of 4728	1288	cmd.exe	94
PID 1288 wrote to memory of 4728	1288	cmd.exe	94
PID 1288 wrote to memory of 4728	1288	cmd.exe	94
PID 4728 wrote to memory of 4672	4728	cmd.exe	96
PID 4728 wrote to memory of 4672	4728	cmd.exe	96
PID 4728 wrote to memory of 3324	4728	cmd.exe	97
PID 4728 wrote to memory of 3324	4728	cmd.exe	97
PID 4728 wrote to memory of 3324	4728	cmd.exe	97
PID 1396 wrote to memory of 4588	1396	b897b6b0ab04f40c82baee47e302a5201adb0efe6a70131f57f0c9bc023f3cc0.exe	98
PID 1396 wrote to memory of 4588	1396	b897b6b0ab04f40c82baee47e302a5201adb0efe6a70131f57f0c9bc023f3cc0.exe	98
PID 1396 wrote to memory of 4588	1396	b897b6b0ab04f40c82baee47e302a5201adb0efe6a70131f57f0c9bc023f3cc0.exe	98
PID 4728 wrote to memory of 4652	4728	cmd.exe	99
PID 4728 wrote to memory of 4652	4728	cmd.exe	99
PID 4728 wrote to memory of 4652	4728	cmd.exe	99
PID 1396 wrote to memory of 3064	1396	b897b6b0ab04f40c82baee47e302a5201adb0efe6a70131f57f0c9bc023f3cc0.exe	101
PID 1396 wrote to memory of 3064	1396	b897b6b0ab04f40c82baee47e302a5201adb0efe6a70131f57f0c9bc023f3cc0.exe	101
PID 1396 wrote to memory of 3064	1396	b897b6b0ab04f40c82baee47e302a5201adb0efe6a70131f57f0c9bc023f3cc0.exe	101
PID 4672 wrote to memory of 3464	4672	iexplore.exe	103
PID 4672 wrote to memory of 3464	4672	iexplore.exe	103
PID 4672 wrote to memory of 3464	4672	iexplore.exe	103
PID 4652 wrote to memory of 64	4652	cmd.exe	105
PID 4652 wrote to memory of 64	4652	cmd.exe	105
PID 4652 wrote to memory of 64	4652	cmd.exe	105
PID 4652 wrote to memory of 2232	4652	cmd.exe	106
PID 4652 wrote to memory of 2232	4652	cmd.exe	106
PID 4652 wrote to memory of 2232	4652	cmd.exe	106
PID 4652 wrote to memory of 5092	4652	cmd.exe	107
PID 4652 wrote to memory of 5092	4652	cmd.exe	107
PID 4652 wrote to memory of 5092	4652	cmd.exe	107
PID 4652 wrote to memory of 3548	4652	cmd.exe	108
PID 4652 wrote to memory of 3548	4652	cmd.exe	108
PID 4652 wrote to memory of 3548	4652	cmd.exe	108
PID 4652 wrote to memory of 1216	4652	cmd.exe	109
PID 4652 wrote to memory of 1216	4652	cmd.exe	109
PID 4652 wrote to memory of 1216	4652	cmd.exe	109
PID 4652 wrote to memory of 3112	4652	cmd.exe	110
PID 4652 wrote to memory of 3112	4652	cmd.exe	110
PID 4652 wrote to memory of 3112	4652	cmd.exe	110
PID 4652 wrote to memory of 4580	4652	cmd.exe	111
PID 4652 wrote to memory of 4580	4652	cmd.exe	111
PID 4652 wrote to memory of 4580	4652	cmd.exe	111
PID 4652 wrote to memory of 4076	4652	cmd.exe	112
PID 4652 wrote to memory of 4076	4652	cmd.exe	112
PID 4652 wrote to memory of 4076	4652	cmd.exe	112
PID 4652 wrote to memory of 516	4652	cmd.exe	113
PID 4652 wrote to memory of 516	4652	cmd.exe	113
PID 4652 wrote to memory of 516	4652	cmd.exe	113
PID 4076 wrote to memory of 3928	4076	rundll32.exe	114
PID 4076 wrote to memory of 3928	4076	rundll32.exe	114
PID 4076 wrote to memory of 3928	4076	rundll32.exe	114
PID 3928 wrote to memory of 2228	3928	runonce.exe	115
PID 3928 wrote to memory of 2228	3928	runonce.exe	115
PID 3928 wrote to memory of 2228	3928	runonce.exe	115
PID 4588 wrote to memory of 1944	4588	inl4400.tmp	125
PID 4588 wrote to memory of 1944	4588	inl4400.tmp	125
PID 4588 wrote to memory of 1944	4588	inl4400.tmp	125

Views/modifies file attributes 1 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1158

pid	Process
3112	attrib.exe
4580	attrib.exe

C:\Users\Admin\AppData\Local\Temp\b897b6b0ab04f40c82baee47e302a5201adb0efe6a70131f57f0c9bc023f3cc0.exe
"C:\Users\Admin\AppData\Local\Temp\b897b6b0ab04f40c82baee47e302a5201adb0efe6a70131f57f0c9bc023f3cc0.exe"
1⤵
- Checks computer location settings
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1396
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\cuteftpmac09.bat" "
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1288
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /K C:\PROGRA~1\FREERA~1\1.bat
    3⤵
    - Drops file in Program Files directory
    - Suspicious use of WriteProcessMemory
    PID:4728
  - - 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:4672
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4672 CREDAT:17410 /prefetch:2
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:3464
  - - C:\Windows\SysWOW64\rundll32.exe
      rundll32 syssetup,SetupInfObjectInstallAction DefaultInstall 128 C:\PROGRA~1\FREERA~1\1.inf
      4⤵
      PID:3324
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /K C:\PROGRA~1\FREERA~1\2.bat
      4⤵
      Drops file in Program Files directory
      Suspicious use of WriteProcessMemory
      PID:4652
    - - 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:64
    - - 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:2232
    - - C:\Windows\SysWOW64\reg.exe
        
        reg add "HKCU\Software\tmp" /v "key" /d ""http://www.82133.com/?o"" /f
        5⤵
        
        PID:5092
    - - C:\Windows\SysWOW64\reg.exe
        
        reg add "HKCR\CLSID\{971C5380-92A0-5A69-B3EE-C3002B33309E}" /v "IsShortCut" /d "" /f
        5⤵
        Modifies registry class
        
        PID:3548
    - - C:\Windows\SysWOW64\reg.exe
        
        reg add "HKCR\CLSID\{971C5380-92A0-5A69-B3EE-C3002B33309E}\Shell\open(&H)\Command" /v "" /d "wscript -e:vbs ""C:\PROGRA~1\FREERA~1\3.bat""" /f
        5⤵
        Modifies registry class
        
        PID:1216
    - - C:\Windows\SysWOW64\attrib.exe
        
        attrib +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:3112
    - - C:\Windows\SysWOW64\attrib.exe
        
        attrib +s +h C:\PROGRA~1\FREERA~1\tmp
        5⤵
        Sets file to hidden
        Drops file in Program Files directory
        Views/modifies file attributes
        
        PID:4580
    - - C:\Windows\SysWOW64\rundll32.exe
        
        rundll32 syssetup,SetupInfObjectInstallAction DefaultInstall 128 C:\PROGRA~1\FREERA~1\2.inf
        5⤵
        Adds Run key to start application
        Suspicious use of WriteProcessMemory
        
        PID:4076
      - C:\Windows\SysWOW64\runonce.exe
        
        "C:\Windows\system32\runonce.exe" -r
        6⤵
        Checks processor information in registry
        Suspicious use of WriteProcessMemory
        
        PID:3928
        
        C:\Windows\SysWOW64\grpconv.exe
        
        "C:\Windows\System32\grpconv.exe" -o
        7⤵
        
        PID:2228
    - - C:\Windows\SysWOW64\rundll32.exe
        
        rundll32 D:\VolumeDH\inj.dat,MainLoad
        5⤵
        
        PID:516
- C:\Users\Admin\AppData\Local\Temp\inl4400.tmp
  C:\Users\Admin\AppData\Local\Temp\inl4400.tmp
  2⤵
  - Executes dropped EXE
  - Checks computer location settings
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4588
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\inl4400.tmp > nul
    3⤵
    PID:1944
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\B897B6~1.EXE > nul
  2⤵
  PID:3064

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:\PROGRA~1\FREERA~1\1.bat

Filesize
3KB

MD5
b7c5e3b416b1d1b5541ef44662e1a764

SHA1
8bff7ea2be2f3cf29f2381d8007198b5991ca3ae

SHA256
f1a2f9fdebb3cac24756e53fa5e1628b2bd1cc130480c1878e3b3bc880575cd1

SHA512
65dbd6a7a7cf6fec00e6b0f1d7d5655769e6087ad09cad74c91c5a3395e675ac8f9df5c7185327e6f8dd03ddb60504400f54237d9e4b53c8b08e7e3d41ee61fc

Download Submit
C:\PROGRA~1\FREERA~1\1.inf

Filesize
492B

MD5
34c14b8530e1094e792527f7a474fe77

SHA1
f71c4e9091140256b34c18220d1dd1efab1f301d

SHA256
fe0dfb3458bfe2a3632d365e00765fa10f14d62e7dfa8b70a055c7eb9fdb6713

SHA512
25bb09b526e1e9f5c6052f1f7c36b37c956c1b5649936af8df3abfcf120c931f3d2603e17a061cb99d8c8074bfb1973a5423cce89762fca53cd46aeb3e8944a2

Download Submit
C:\PROGRA~1\FREERA~1\2.bat

Filesize
3KB

MD5
6b78cb8ced798ca5df5612dd62ce0965

SHA1
5a9c299393b96b0bf8f6770e3c7b0318a9e2e0cf

SHA256
81f64f42edfac2863a55db8fabd528c4eefc67f7e658cad6a57eeec862e444e3

SHA512
b387ba10021f3284d1406d520a2c8b3ba0c87922d67c79394c1aa50c631194519ac6bb5b898956533f040d48e1c7b202734e0075f8fc8c8bfab82c8ef359b28e

Download Submit
C:\PROGRA~1\FREERA~1\2.inf

Filesize
230B

MD5
f6dcb2862f6e7f9e69fb7d18668c59f1

SHA1
bb23dbba95d8af94ecc36a7d2dd4888af2856737

SHA256
c68fe97c64b68f00b3cc853ae6a6d324b470a558df57eac2593487978592eb2c

SHA512
eefe630b776d2144df39e9c385824374b3d546e30293d7efe10cc2d6bf6f2c932162bf80add1c8ca58afcc868ad02b3ffc104c0f111f3827f4385ee9f26f5e75

Download Submit
C:\PROGRA~1\FREERA~1\4.bat

Filesize
5.8MB

MD5
869f1b3d5272272c53133a3007e4c40b

SHA1
2f0c01f6fba864e8f683b5a2f2c145c8f8aca6a4

SHA256
cacaaf3cbfa3a58dba88a92586984e4c432786c2cb7286bb034e53063cf18900

SHA512
2ea5e039e096d23f07a74f5ef985cc938479f5087e16b7bf316b4ae8f688659045229a7d5939e32ed3c341e6e0c5efcc5704898c2719e5ba65e2a7dfb079ce3c

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\imagestore\ckj4gk4\imagestore.dat

Filesize
1KB

MD5
718466571178b0f3ccd8fd2aef8444f0

SHA1
0d50b6cb958fec8afc9e8b04ff56ecc8339552c5

SHA256
74dd63d973651626280b653fa461a57ad7464d610139bb0a32aedf8a97d49f79

SHA512
1b098d0c4a4be14fdbb5c122704f5276dcdb09bda4f94ad4c6eda59fd03edbd0882828fe0bd75de41898986aba0b4331d9f2f021d269da0886b1f71cabb3e6c1

Download Submit
C:\Users\Admin\AppData\Local\Temp\cuteftpmac09.bat

Filesize
36B

MD5
0b53221b1332efb76ebd2ab7120ff78f

SHA1
e3dda4d21e35819eaf50e50c2aab2950ff1505b5

SHA256
05bbda79058985c35a48637dcbc66c73176e1f7e4c95e8aef8b762066b780388

SHA512
877637688f255d94b94feb3b2444678836db41644f6e1a7d1f902c8c12bab45785393a8f210215eebcdcb3526002632863bf54f026047aa1edee8481b26dddcd

Download Submit
C:\Users\Admin\AppData\Local\Temp\inl4400.tmp

Filesize
57.2MB

MD5
8f2a79a5d0d14953c52c09ddce5fdb96

SHA1
753d00673b3ab6cd09ffa87f8dee1ae5834ab3cb

SHA256
a752861d8a544b76a55089d84f04fc79086ef86c8778afbdd023a7ea4c53d43d

SHA512
e1581062456e3a8445c66138c01be32f36e864f544c052ddbd4a2b40107e09f38e487232ed2f1fa4de340dadf03ef8f18d60dc97cbc8473fff1101cd5c3d5642

Download Submit
C:\Users\Admin\AppData\Local\Temp\inl4400.tmp

Filesize
57.2MB

MD5
8f2a79a5d0d14953c52c09ddce5fdb96

SHA1
753d00673b3ab6cd09ffa87f8dee1ae5834ab3cb

SHA256
a752861d8a544b76a55089d84f04fc79086ef86c8778afbdd023a7ea4c53d43d

SHA512
e1581062456e3a8445c66138c01be32f36e864f544c052ddbd4a2b40107e09f38e487232ed2f1fa4de340dadf03ef8f18d60dc97cbc8473fff1101cd5c3d5642

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

Filesize
611B

MD5
f6452f541207729878acc3efad9e53bc

SHA1
4584fd614383c394b09bbca936f35bf8bb0efcb3

SHA256
8287849f311e6c21ee79fd6cb695742833134f0ab249ba6ebd51f9588b88e1a9

SHA512
b41131969c8a4315ed0ffc492291f3a8f1ebde2a951090357b4f14d17db228bbd5432de23636ed65c97ad691820ea23fa18490dbe6638493f186ec32d589a2ed

Download Submit
memory/1396-135-0x0000000000120000-0x0000000000147000-memory.dmp

Filesize
156KB

Download
memory/1396-177-0x0000000000120000-0x0000000000147000-memory.dmp

Filesize
156KB

Download
memory/1396-137-0x0000000000730000-0x0000000000733000-memory.dmp

Filesize
12KB

Download
memory/1396-136-0x0000000000730000-0x0000000000733000-memory.dmp

Filesize
12KB

Download
memory/4672-154-0x00007FFCEF950000-0x00007FFCEF9BE000-memory.dmp

Filesize
440KB

Download
memory/4672-156-0x00007FFCEF950000-0x00007FFCEF9BE000-memory.dmp

Filesize
440KB

Download
memory/4672-172-0x00007FFCEF950000-0x00007FFCEF9BE000-memory.dmp

Filesize
440KB

Download
memory/4672-170-0x00007FFCEF950000-0x00007FFCEF9BE000-memory.dmp

Filesize
440KB

Download
memory/4672-174-0x00007FFCEF950000-0x00007FFCEF9BE000-memory.dmp

Filesize
440KB

Download
memory/4672-168-0x00007FFCEF950000-0x00007FFCEF9BE000-memory.dmp

Filesize
440KB

Download
memory/4672-167-0x00007FFCEF950000-0x00007FFCEF9BE000-memory.dmp

Filesize
440KB

Download
memory/4672-179-0x00007FFCEF950000-0x00007FFCEF9BE000-memory.dmp

Filesize
440KB

Download
memory/4672-180-0x00007FFCEF950000-0x00007FFCEF9BE000-memory.dmp

Filesize
440KB

Download
memory/4672-181-0x00007FFCEF950000-0x00007FFCEF9BE000-memory.dmp

Filesize
440KB

Download
memory/4672-165-0x00007FFCEF950000-0x00007FFCEF9BE000-memory.dmp

Filesize
440KB

Download
memory/4672-183-0x00007FFCEF950000-0x00007FFCEF9BE000-memory.dmp

Filesize
440KB

Download
memory/4672-184-0x00007FFCEF950000-0x00007FFCEF9BE000-memory.dmp

Filesize
440KB

Download
memory/4672-163-0x00007FFCEF950000-0x00007FFCEF9BE000-memory.dmp

Filesize
440KB

Download
memory/4672-186-0x00007FFCEF950000-0x00007FFCEF9BE000-memory.dmp

Filesize
440KB

Download
memory/4672-187-0x00007FFCEF950000-0x00007FFCEF9BE000-memory.dmp

Filesize
440KB

Download
memory/4672-188-0x00007FFCEF950000-0x00007FFCEF9BE000-memory.dmp

Filesize
440KB

Download
memory/4672-192-0x00007FFCEF950000-0x00007FFCEF9BE000-memory.dmp

Filesize
440KB

Download
memory/4672-155-0x00007FFCEF950000-0x00007FFCEF9BE000-memory.dmp

Filesize
440KB

Download
memory/4672-193-0x00007FFCEF950000-0x00007FFCEF9BE000-memory.dmp

Filesize
440KB

Download
memory/4672-196-0x00007FFCEF950000-0x00007FFCEF9BE000-memory.dmp

Filesize
440KB

Download
memory/4672-162-0x00007FFCEF950000-0x00007FFCEF9BE000-memory.dmp

Filesize
440KB

Download
memory/4672-169-0x00007FFCEF950000-0x00007FFCEF9BE000-memory.dmp

Filesize
440KB

Download
memory/4672-199-0x00007FFCEF950000-0x00007FFCEF9BE000-memory.dmp

Filesize
440KB

Download
memory/4672-153-0x00007FFCEF950000-0x00007FFCEF9BE000-memory.dmp

Filesize
440KB

Download
memory/4672-152-0x00007FFCEF950000-0x00007FFCEF9BE000-memory.dmp

Filesize
440KB

Download
memory/4672-201-0x00007FFCEF950000-0x00007FFCEF9BE000-memory.dmp

Filesize
440KB

Download
memory/4672-150-0x00007FFCEF950000-0x00007FFCEF9BE000-memory.dmp

Filesize
440KB

Download
memory/4672-149-0x00007FFCEF950000-0x00007FFCEF9BE000-memory.dmp

Filesize
440KB

Download
memory/4672-148-0x00007FFCEF950000-0x00007FFCEF9BE000-memory.dmp

Filesize
440KB

Download
memory/4672-210-0x00007FFCEF950000-0x00007FFCEF9BE000-memory.dmp

Filesize
440KB

Download
memory/4672-147-0x00007FFCEF950000-0x00007FFCEF9BE000-memory.dmp

Filesize
440KB

Download
memory/4672-144-0x00007FFCEF950000-0x00007FFCEF9BE000-memory.dmp

Filesize
440KB

Download
memory/4672-213-0x00007FFCEF950000-0x00007FFCEF9BE000-memory.dmp

Filesize
440KB

Download
memory/4672-214-0x00007FFCEF950000-0x00007FFCEF9BE000-memory.dmp

Filesize
440KB

Download
memory/4672-215-0x00007FFCEF950000-0x00007FFCEF9BE000-memory.dmp

Filesize
440KB

Download
memory/4672-216-0x00007FFCEF950000-0x00007FFCEF9BE000-memory.dmp

Filesize
440KB

Download
memory/4672-217-0x00007FFCEF950000-0x00007FFCEF9BE000-memory.dmp

Filesize
440KB

Download
memory/4672-143-0x00007FFCEF950000-0x00007FFCEF9BE000-memory.dmp

Filesize
440KB

Download
memory/4672-220-0x00007FFCEF950000-0x00007FFCEF9BE000-memory.dmp

Filesize
440KB

Download
memory/4672-221-0x00007FFCEF950000-0x00007FFCEF9BE000-memory.dmp

Filesize
440KB

Download
memory/4672-226-0x00007FFCEF950000-0x00007FFCEF9BE000-memory.dmp

Filesize
440KB

Download
memory/4672-227-0x00007FFCEF950000-0x00007FFCEF9BE000-memory.dmp

Filesize
440KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads