joker | 2728cd6cf42c15a1ae9821eece617b34dc26bd894c8b4d3d019e5178fa56858b

Analysis

max time kernel
154s
max time network
179s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
12-10-2022 17:38

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General

Target

2728cd6cf42c15a1ae9821eece617b34dc26bd894c8b4d3d019e5178fa56858b.exe
Size

57KB
MD5

7b8ca67288370184c879fe25f6606282
SHA1

5a65df279f1c91ddddcd0b45d259df6c07be0545
SHA256

2728cd6cf42c15a1ae9821eece617b34dc26bd894c8b4d3d019e5178fa56858b
SHA512

ed6eb89446e10e759021f9c1b34ff9b22e733681f07ad4859b8c59510620800cb1b6acf682ee66e62043346d2f263d9f113911b412ebf2db1a552f6ae4797617
SSDEEP

768:hBRMLJshpXC1tlRiYTqyFN9Mwxgb+qi90sG3gGaru+6o6cAT5LZwmChDkGBh9OHQ:hBFwt8Om/sPruWOLZwmChgGzg+fPVG6T

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
2924	inl8261.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
5008	attrib.exe
1152	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	2728cd6cf42c15a1ae9821eece617b34dc26bd894c8b4d3d019e5178fa56858b.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	inl8261.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-1-5-21-2629973501-4017243118-3254762364-1000\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

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
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\DomainSuggestion\NextUpdateDate = "372378719"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = e06288418aded801	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
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\International\CpMRU	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\LastCheckForUpdateLowDateTime = "450716740"	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\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	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
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "30989962"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	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
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Main	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\DOMStorage\www.cnkankan.com\ = "126"	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
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\International\CpMRU\InitHits = "100"	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
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\VersionManager\LastCheckForUpdateLowDateTime = "435558907"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	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\DOMStorage\www.henniu1111.site	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 (data)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000e2728ad8693e804caf0ad2c227b1421600000000020000000000106600000001000020000000681e8df1251e8a3fba0d661dc61079a51eeb57aed3356c48da1a87394a25c840000000000e8000000002000020000000c4125cb10bfd5fdc885c1cb124b4af1b1cd53b515fa0c29b8fe7765865f944f3200000002e48629b14a080bc252e306596824149f8d8facd659885076e0e01ec0eb18e0840000000c16d7c16e2f1ba9f97e21019d14185ec5e89958840e7f42362e173b31f4e5ffab58d4a1e3d2d3d8f012b62e8dc38c2048384a3661a31d07cbd726ace4db05ad1	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\Total\ = "126"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\DOMStorage\henniu1111.site	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	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\Main	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
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\www.henniu1111.site\ = "63"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30989962"	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\WindowsSearch\Version = "WS not running"	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	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\henniu1111.site\NumberOfSubdomains = "1"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "435558907"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\DOMStorage\Total	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\TabbedBrowsing	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 00c211438aded801	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\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	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\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000e2728ad8693e804caf0ad2c227b142160000000002000000000010660000000100002000000035f18859d7c54a4179c6df9278e2c99f6399eba15d4f1e1857ea4627dde7c739000000000e800000000200002000000093cfec0a0aad3a4a2e201132fd8d91d609447d1aac500b1beaae58dbfda4ef2e2000000071e3ce217f475e3a6672b229560e2df54f11f9843536080143209fba8089a08140000000bde9c9352674756f421eabba0a1c2251797cb317236f41636c3d9fae3df7b886585aaee3eb84ac8d24d32f5a2a52e6756bdb6d45c43f630a4cea3ae81f13d47c	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\henniu1111.site\Total = "63"	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\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{451EE2EE-4A7D-11ED-B696-D2371B4A40BE} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30989962"	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	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
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node	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	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

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	1336	2728cd6cf42c15a1ae9821eece617b34dc26bd894c8b4d3d019e5178fa56858b.exe
Token: SeIncBasePriorityPrivilege	2924	inl8261.tmp

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4276	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4276	iexplore.exe
4276	iexplore.exe
3496	IEXPLORE.EXE
3496	IEXPLORE.EXE
3496	IEXPLORE.EXE
3496	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 59 IoCs

description	pid	Process	procid_target
PID 1336 wrote to memory of 2828	1336	2728cd6cf42c15a1ae9821eece617b34dc26bd894c8b4d3d019e5178fa56858b.exe	87
PID 1336 wrote to memory of 2828	1336	2728cd6cf42c15a1ae9821eece617b34dc26bd894c8b4d3d019e5178fa56858b.exe	87
PID 1336 wrote to memory of 2828	1336	2728cd6cf42c15a1ae9821eece617b34dc26bd894c8b4d3d019e5178fa56858b.exe	87
PID 2828 wrote to memory of 3664	2828	cmd.exe	89
PID 2828 wrote to memory of 3664	2828	cmd.exe	89
PID 2828 wrote to memory of 3664	2828	cmd.exe	89
PID 3664 wrote to memory of 4276	3664	cmd.exe	91
PID 3664 wrote to memory of 4276	3664	cmd.exe	91
PID 3664 wrote to memory of 4656	3664	cmd.exe	92
PID 3664 wrote to memory of 4656	3664	cmd.exe	92
PID 3664 wrote to memory of 4656	3664	cmd.exe	92
PID 3664 wrote to memory of 3228	3664	cmd.exe	93
PID 3664 wrote to memory of 3228	3664	cmd.exe	93
PID 3664 wrote to memory of 3228	3664	cmd.exe	93
PID 3228 wrote to memory of 1640	3228	cmd.exe	96
PID 3228 wrote to memory of 1640	3228	cmd.exe	96
PID 3228 wrote to memory of 1640	3228	cmd.exe	96
PID 1336 wrote to memory of 2924	1336	2728cd6cf42c15a1ae9821eece617b34dc26bd894c8b4d3d019e5178fa56858b.exe	97
PID 1336 wrote to memory of 2924	1336	2728cd6cf42c15a1ae9821eece617b34dc26bd894c8b4d3d019e5178fa56858b.exe	97
PID 1336 wrote to memory of 2924	1336	2728cd6cf42c15a1ae9821eece617b34dc26bd894c8b4d3d019e5178fa56858b.exe	97
PID 4276 wrote to memory of 3496	4276	iexplore.exe	98
PID 4276 wrote to memory of 3496	4276	iexplore.exe	98
PID 4276 wrote to memory of 3496	4276	iexplore.exe	98
PID 1336 wrote to memory of 956	1336	2728cd6cf42c15a1ae9821eece617b34dc26bd894c8b4d3d019e5178fa56858b.exe	99
PID 1336 wrote to memory of 956	1336	2728cd6cf42c15a1ae9821eece617b34dc26bd894c8b4d3d019e5178fa56858b.exe	99
PID 1336 wrote to memory of 956	1336	2728cd6cf42c15a1ae9821eece617b34dc26bd894c8b4d3d019e5178fa56858b.exe	99
PID 3228 wrote to memory of 4156	3228	cmd.exe	103
PID 3228 wrote to memory of 4156	3228	cmd.exe	103
PID 3228 wrote to memory of 4156	3228	cmd.exe	103
PID 3228 wrote to memory of 4328	3228	cmd.exe	100
PID 3228 wrote to memory of 4328	3228	cmd.exe	100
PID 3228 wrote to memory of 4328	3228	cmd.exe	100
PID 3228 wrote to memory of 3800	3228	cmd.exe	102
PID 3228 wrote to memory of 3800	3228	cmd.exe	102
PID 3228 wrote to memory of 3800	3228	cmd.exe	102
PID 3228 wrote to memory of 2940	3228	cmd.exe	104
PID 3228 wrote to memory of 2940	3228	cmd.exe	104
PID 3228 wrote to memory of 2940	3228	cmd.exe	104
PID 3228 wrote to memory of 5008	3228	cmd.exe	105
PID 3228 wrote to memory of 5008	3228	cmd.exe	105
PID 3228 wrote to memory of 5008	3228	cmd.exe	105
PID 3228 wrote to memory of 1152	3228	cmd.exe	106
PID 3228 wrote to memory of 1152	3228	cmd.exe	106
PID 3228 wrote to memory of 1152	3228	cmd.exe	106
PID 3228 wrote to memory of 520	3228	cmd.exe	107
PID 3228 wrote to memory of 520	3228	cmd.exe	107
PID 3228 wrote to memory of 520	3228	cmd.exe	107
PID 3228 wrote to memory of 4396	3228	cmd.exe	109
PID 3228 wrote to memory of 4396	3228	cmd.exe	109
PID 3228 wrote to memory of 4396	3228	cmd.exe	109
PID 520 wrote to memory of 4464	520	rundll32.exe	108
PID 520 wrote to memory of 4464	520	rundll32.exe	108
PID 520 wrote to memory of 4464	520	rundll32.exe	108
PID 4464 wrote to memory of 2852	4464	runonce.exe	110
PID 4464 wrote to memory of 2852	4464	runonce.exe	110
PID 4464 wrote to memory of 2852	4464	runonce.exe	110
PID 2924 wrote to memory of 4864	2924	inl8261.tmp	117
PID 2924 wrote to memory of 4864	2924	inl8261.tmp	117
PID 2924 wrote to memory of 4864	2924	inl8261.tmp	117

Views/modifies file attributes 1 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1158

pid	Process
5008	attrib.exe
1152	attrib.exe

C:\Users\Admin\AppData\Local\Temp\2728cd6cf42c15a1ae9821eece617b34dc26bd894c8b4d3d019e5178fa56858b.exe
"C:\Users\Admin\AppData\Local\Temp\2728cd6cf42c15a1ae9821eece617b34dc26bd894c8b4d3d019e5178fa56858b.exe"
1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1336
- 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:2828
- - 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:3664
  - - 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:4276
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4276 CREDAT:17410 /prefetch:2
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:3496
  - - C:\Windows\SysWOW64\rundll32.exe
      rundll32 syssetup,SetupInfObjectInstallAction DefaultInstall 128 C:\Users\Admin\AppData\Roaming\PPLive\1.inf
      4⤵
      PID:4656
  - - 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:3228
    - - 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:1640
    - - C:\Windows\SysWOW64\reg.exe
        
        reg add "HKCU\Software\tmp" /v "key" /d ""http://www.82133.com/?o"" /f
        5⤵
        
        PID:4328
    - - C:\Windows\SysWOW64\reg.exe
        
        reg add "HKCR\CLSID\{971C5380-92A0-5A69-B3EE-C3002B33309E}" /v "IsShortCut" /d "" /f
        5⤵
        Modifies registry class
        
        PID:3800
    - - 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:4156
    - - 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:2940
    - - 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:5008
    - - 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:1152
    - - 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:520
      - C:\Windows\SysWOW64\runonce.exe
        
        "C:\Windows\system32\runonce.exe" -r
        6⤵
        Checks processor information in registry
        Suspicious use of WriteProcessMemory
        
        PID:4464
        
        C:\Windows\SysWOW64\grpconv.exe
        
        "C:\Windows\System32\grpconv.exe" -o
        7⤵
        
        PID:2852
    - - C:\Windows\SysWOW64\rundll32.exe
        
        rundll32 D:\VolumeDH\inj.dat,MainLoad
        5⤵
        
        PID:4396
- C:\Users\Admin\AppData\Local\Temp\inl8261.tmp
  C:\Users\Admin\AppData\Local\Temp\inl8261.tmp
  2⤵
  - Executes dropped EXE
  - Checks computer location settings
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2924
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\inl8261.tmp > nul
    3⤵
    PID:4864
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\2728CD~1.EXE > nul
  2⤵
  PID:956

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\Local\Microsoft\Internet Explorer\imagestore\dqptnfu\imagestore.dat

Filesize
1KB

MD5
deb2deebe96242b0807ba18863bf4fbc

SHA1
68fba3c872e97a22b9a5e27f9ae0be5258882f1b

SHA256
ce34da4c1f866ec0be48c823445978e0247296a8b7c6e3374594cefa4f745ef4

SHA512
ea5efccb286bba5f12ef304cb05bd2e6b6a44744cb8eae54ca1eaf9607a32f669c8dcdc27c0222f1e6350170536b15ea6b5f030cafdc2e84acfc525156262062

Download Submit
C:\Users\Admin\AppData\Local\Temp\inl8261.tmp

Filesize
57.2MB

MD5
62ca7cac06e090d1b3ae23a94b7b0141

SHA1
67036998843fa45bf59ba00092223fd54e7f3577

SHA256
225d01824ddda6e25e2723888c9ed2251bbeace2403a15eddcae9d7c282d1979

SHA512
645710d2225ad641bb724c75e86e80762399f36e9ae31e7c86698dd6e7f0e331aef66e87f4d00dae9e3669ff0ad370b042ebeaedd6b83c0e2ec38561a18fe35b

Download Submit
C:\Users\Admin\AppData\Local\Temp\inl8261.tmp

Filesize
57.2MB

MD5
62ca7cac06e090d1b3ae23a94b7b0141

SHA1
67036998843fa45bf59ba00092223fd54e7f3577

SHA256
225d01824ddda6e25e2723888c9ed2251bbeace2403a15eddcae9d7c282d1979

SHA512
645710d2225ad641bb724c75e86e80762399f36e9ae31e7c86698dd6e7f0e331aef66e87f4d00dae9e3669ff0ad370b042ebeaedd6b83c0e2ec38561a18fe35b

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
b337dda0034a07227cf15b54bf0845d8

SHA1
a638af144cafe2aa14d859e9b8a93f03a77e806d

SHA256
dc07082e182aad086011dd3c7d664793d381fef1842229d8e3718f980780a1eb

SHA512
d6d54e6f9c6004a2c44775ad87f1a7e7778faed9a94fcc11c2cf890f8c9b15531b401893f44f8204396c759f821c8e92403f5746cf84c2a014755efd7c65f89f

Download Submit
memory/1336-133-0x0000000000E70000-0x0000000000E73000-memory.dmp

Filesize
12KB

Download
memory/1336-182-0x0000000000930000-0x0000000000957000-memory.dmp

Filesize
156KB

Download
memory/1336-132-0x0000000000930000-0x0000000000957000-memory.dmp

Filesize
156KB

Download
memory/4276-172-0x00007FFE36BD0000-0x00007FFE36C3E000-memory.dmp

Filesize
440KB

Download
memory/4276-143-0x00007FFE36BD0000-0x00007FFE36C3E000-memory.dmp

Filesize
440KB

Download
memory/4276-163-0x00007FFE36BD0000-0x00007FFE36C3E000-memory.dmp

Filesize
440KB

Download
memory/4276-159-0x00007FFE36BD0000-0x00007FFE36C3E000-memory.dmp

Filesize
440KB

Download
memory/4276-164-0x00007FFE36BD0000-0x00007FFE36C3E000-memory.dmp

Filesize
440KB

Download
memory/4276-166-0x00007FFE36BD0000-0x00007FFE36C3E000-memory.dmp

Filesize
440KB

Download
memory/4276-157-0x00007FFE36BD0000-0x00007FFE36C3E000-memory.dmp

Filesize
440KB

Download
memory/4276-153-0x00007FFE36BD0000-0x00007FFE36C3E000-memory.dmp

Filesize
440KB

Download
memory/4276-156-0x00007FFE36BD0000-0x00007FFE36C3E000-memory.dmp

Filesize
440KB

Download
memory/4276-170-0x00007FFE36BD0000-0x00007FFE36C3E000-memory.dmp

Filesize
440KB

Download
memory/4276-151-0x00007FFE36BD0000-0x00007FFE36C3E000-memory.dmp

Filesize
440KB

Download
memory/4276-175-0x00007FFE36BD0000-0x00007FFE36C3E000-memory.dmp

Filesize
440KB

Download
memory/4276-152-0x00007FFE36BD0000-0x00007FFE36C3E000-memory.dmp

Filesize
440KB

Download
memory/4276-177-0x00007FFE36BD0000-0x00007FFE36C3E000-memory.dmp

Filesize
440KB

Download
memory/4276-150-0x00007FFE36BD0000-0x00007FFE36C3E000-memory.dmp

Filesize
440KB

Download
memory/4276-149-0x00007FFE36BD0000-0x00007FFE36C3E000-memory.dmp

Filesize
440KB

Download
memory/4276-145-0x00007FFE36BD0000-0x00007FFE36C3E000-memory.dmp

Filesize
440KB

Download
memory/4276-183-0x00007FFE36BD0000-0x00007FFE36C3E000-memory.dmp

Filesize
440KB

Download
memory/4276-148-0x00007FFE36BD0000-0x00007FFE36C3E000-memory.dmp

Filesize
440KB

Download
memory/4276-178-0x00007FFE36BD0000-0x00007FFE36C3E000-memory.dmp

Filesize
440KB

Download
memory/4276-174-0x00007FFE36BD0000-0x00007FFE36C3E000-memory.dmp

Filesize
440KB

Download
memory/4276-146-0x00007FFE36BD0000-0x00007FFE36C3E000-memory.dmp

Filesize
440KB

Download
memory/4276-186-0x00007FFE36BD0000-0x00007FFE36C3E000-memory.dmp

Filesize
440KB

Download
memory/4276-225-0x00007FFE36BD0000-0x00007FFE36C3E000-memory.dmp

Filesize
440KB

Download
memory/4276-162-0x00007FFE36BD0000-0x00007FFE36C3E000-memory.dmp

Filesize
440KB

Download
memory/4276-189-0x00007FFE36BD0000-0x00007FFE36C3E000-memory.dmp

Filesize
440KB

Download
memory/4276-217-0x00007FFE36BD0000-0x00007FFE36C3E000-memory.dmp

Filesize
440KB

Download
memory/4276-190-0x00007FFE36BD0000-0x00007FFE36C3E000-memory.dmp

Filesize
440KB

Download
memory/4276-141-0x00007FFE36BD0000-0x00007FFE36C3E000-memory.dmp

Filesize
440KB

Download
memory/4276-216-0x00007FFE36BD0000-0x00007FFE36C3E000-memory.dmp

Filesize
440KB

Download
memory/4276-195-0x00007FFE36BD0000-0x00007FFE36C3E000-memory.dmp

Filesize
440KB

Download
memory/4276-214-0x00007FFE36BD0000-0x00007FFE36C3E000-memory.dmp

Filesize
440KB

Download
memory/4276-199-0x00007FFE36BD0000-0x00007FFE36C3E000-memory.dmp

Filesize
440KB

Download
memory/4276-200-0x00007FFE36BD0000-0x00007FFE36C3E000-memory.dmp

Filesize
440KB

Download
memory/4276-201-0x00007FFE36BD0000-0x00007FFE36C3E000-memory.dmp

Filesize
440KB

Download
memory/4276-202-0x00007FFE36BD0000-0x00007FFE36C3E000-memory.dmp

Filesize
440KB

Download
memory/4276-203-0x00007FFE36BD0000-0x00007FFE36C3E000-memory.dmp

Filesize
440KB

Download
memory/4276-139-0x00007FFE36BD0000-0x00007FFE36C3E000-memory.dmp

Filesize
440KB

Download
memory/4276-209-0x00007FFE36BD0000-0x00007FFE36C3E000-memory.dmp

Filesize
440KB

Download
memory/4276-210-0x00007FFE36BD0000-0x00007FFE36C3E000-memory.dmp

Filesize
440KB

Download
memory/4276-211-0x00007FFE36BD0000-0x00007FFE36C3E000-memory.dmp

Filesize
440KB

Download
memory/4276-212-0x00007FFE36BD0000-0x00007FFE36C3E000-memory.dmp

Filesize
440KB

Download
memory/4276-213-0x00007FFE36BD0000-0x00007FFE36C3E000-memory.dmp

Filesize
440KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads