hxxps://commentpattern[.]com/

General

Target

https://commentpattern.com/
Sample

210114-2a6w4kbjps

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 59 IoCs

adware spyware

Modify Registry

T1112

Processes:

iexplore.exeIEXPLORE.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Internet Explorer\FlipAhead	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$blogger	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$MediaWiki	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$vBulletin 4	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Internet Explorer\DOMStorage\commentpattern.com\NumberOfSubdomains = "1"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$Telligent	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Internet Explorer\DOMStorage\Total\ = "19"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2657615686"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "30861924"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2657615686"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 907444a364ead601	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Internet Explorer\HistoryJournalCertificate	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{C9A7488D-5657-11EB-BEBD-E625E128E840} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Internet Explorer\DOMStorage\Total\ = "0"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$Discuz!	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Internet Explorer\FlipAhead\FileVersion = "2016061511"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Internet Explorer\DOMStorage\commentpattern.com\ = "0"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000f83ea431a1a9554d9899d7aad776ea2d00000000020000000000106600000001000020000000cf84818ee35b70460c8de4ae111e7b603b8c6ea4d9fe6ac45d850e50ee768a3d000000000e80000000020000200000008f022c1bce47e03dbb302f9b3db53ff76c9500e850972e40a437bea9e5b1ead2200000000f5ee1334991b89250a213caf129c98e67030e46fdd4de67d8534c09d95dc4a6400000000376423b27e5c0a0aa536eb8cccd7c6705031b7c1ed0d41564e661182ba6c4c405d2e6b1fafa500ea6d56dc1888c07047ffd40ade65b8a83af677d78fb93018d	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$http://www.typepad.com/	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Internet Explorer\HistoryJournalCertificate\NextUpdateDate = "317403630"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$vBulletin 3	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Internet Explorer\FlipAhead\NextUpdateDate = "317435622"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Internet Explorer\DOMStorage\Total	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Internet Explorer\DOMStorage\commentpattern.com\Total = "0"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30861924"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30861924"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2667303821"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Internet Explorer\DOMStorage\commentpattern.com\ = "19"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = c0d233a364ead601	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Internet Explorer\DOMStorage	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Internet Explorer\DOMStorage\commentpattern.com\Total = "19"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "317387036"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Internet Explorer\DOMStorage\commentpattern.com	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$WordPress	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000f83ea431a1a9554d9899d7aad776ea2d000000000200000000001066000000010000200000004f7bc131d39f63c304a954972976a2cf2ab74675141d89f4485504068b782f13000000000e8000000002000020000000aaefc5ac44aa78c7b8e65c27d7e3ae9b3fbc393483451a31e26b77d8725f51a6200000000a0bd277104877f98c3d6ddaa1f63ffc739d685dc429bfc0a4c103933f10c11e400000009f35a7e87005036404f6cf62a9882529cbb47e3137452afbc020847cdea05e5cb6d3f1947e27ec6a95a097189eedc7a0d3a4cfc0f043a805d56339dd411dadde	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

4760 iexplore.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

iexplore.exeIEXPLORE.EXE

pid process

4760 iexplore.exe
4760 iexplore.exe
3972 IEXPLORE.EXE
3972 IEXPLORE.EXE
3972 IEXPLORE.EXE
3972 IEXPLORE.EXE

pid	process
4760	iexplore.exe

pid	process
4760	iexplore.exe
4760	iexplore.exe
3972	IEXPLORE.EXE
3972	IEXPLORE.EXE
3972	IEXPLORE.EXE
3972	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

iexplore.exe

description	pid	process	target process
PID 4760 wrote to memory of 3972	4760	iexplore.exe	IEXPLORE.EXE
PID 4760 wrote to memory of 3972	4760	iexplore.exe	IEXPLORE.EXE
PID 4760 wrote to memory of 3972	4760	iexplore.exe	IEXPLORE.EXE

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" https://commentpattern.com/
1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4760

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4760 CREDAT:82945 /prefetch:2
2⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:3972

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\5080DC7A65DB6A5960ECD874088F3328_862BA1770B2FEE013603D2FF9ABEAFDA
MD5
24a07313624f427cb53db0d982e3b992

SHA1
589f641cdce080cece46fe42b9202f1a9800eaff

SHA256
beb51f30846230636c6b34fa99ac5aa6496a4b92fb35538088a2d71eec5820c6

SHA512
58ba2327f010079e3cef63bcdcf25c5338512c7bef12e2f66440498c79b23cd7a27e3f410ec67a2c4fd22f682df4e5596ad866a50a41000f385daa6e5dba9c3a

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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
MD5
1c719258028a30f4c5c4b9927bca78b5

SHA1
74876832f8b66db34beda49067d1cdcb54a809f8

SHA256
c6a5befebb221e5937f4985c5aee4897942e9469ab7e93a11b7d05c33cfc57a5

SHA512
0c2059b78f00f5dbac85f91e6661734e9de9726948edbaf1ce1224a3156203072c40f61e00c0c5bbb5cab937e7026e4e90446e941e2d504ebcf9b877ab28e493

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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B2FAF7692FD9FFBD64EDE317E42334BA_2DBE917624E9880FE0C7C5570D56E691
MD5
0f60eee223595d0eae179362fe78462d

SHA1
a41f26f6a2cc521d5136e84e11355cb37c666004

SHA256
16c1708fa4cea45a733e3cbf765c29e8d18de81e2190e2906f153b4c59ab8c53

SHA512
f76fdfb7b866c5c19731e285e546e07f0175ba890cf1c37caef350fb0bebafe16098d1abeac70cd2126d072319a619441c30fc3f558f302a399f3b2193974263

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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\5080DC7A65DB6A5960ECD874088F3328_862BA1770B2FEE013603D2FF9ABEAFDA
MD5
3304d6873b8ad850d151fb2c27b0b657

SHA1
d31a33c2661f5b21097fd7725d2431e833c7eb42

SHA256
fc09900f9817a2de1f348d80fed0ad447188bac4117d1e94f3c76eb473ca3abe

SHA512
ce6fa0b7f27c84e423d600de610989167b0bc55370eb5d1d8d551ccd945460d70774d22410ceda4470a5f176def93ba6475d4df19edd5a863ad715a1bc79bec2

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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
MD5
71fc9bbf5ba032f5a0700a9eaa5231ce

SHA1
383e860b92b4f186edcfa3abce824b3597402e4c

SHA256
1ea520eb76e72cf522fdbe378e88c1c2247305243e7259b8b616cf7b933df6fa

SHA512
ff1b2b251e0950ed5a88a4842a28b251a4830ea516ca09c15690139f5248c57ffa0db48bb49a4dcae5d81b99ee0516a8479762108ff4460219bad08649a21b4a

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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B2FAF7692FD9FFBD64EDE317E42334BA_2DBE917624E9880FE0C7C5570D56E691
MD5
e8fff4a4e5d76d5f6bfeaee793603cb6

SHA1
3812d2566dd2ad6b6f061c0a47f62eaedddb3cd2

SHA256
c8685452583df0a80ccaace3e9033f3fe92cb13155f9ea69477621ee5186a94b

SHA512
4159d4e1cb1da15242bdd919e88c8b9ee2557c7e3ba717836355848fa3eafdc97c46f0703eeafd1c232478a2182e11e7291016c35dbaf80d65a6608900743d02

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C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCookies\ME3FIVFR.cookie
MD5
96e9583b039b0d84d77a5b62b804be84

SHA1
fb708298f3a42e70c1054b523bf1e0f54487712f

SHA256
bdde34c6e36fa4ba15efda819f5632501b4b4e05ea7faa781d2951a7c19cf903

SHA512
5b82be0fff2be09181f55f091a837f00c08a026a012794823b3c906a8b525a860e723241dffa7276839e48224c06ddd9fb7619a6f011e65174f45b01e0a3cbdf

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memory/3972-2-0x0000000000000000-mapping.dmp

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Analysis

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