d0d36947c6eb2116ad8bef6dd26ecc1f67e6aabcba560ba68291136362decee2

Analysis

max time kernel
114s
max time network
142s
platform
windows7_x64
resource
win7-20230703-en
resource tags

arch:x64arch:x86image:win7-20230703-enlocale:en-usos:windows7-x64system
submitted
05/07/2023, 08:07

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General

Target

nkrk.html
Size

124B
MD5

369859a199530f1ee0141bffec632138
SHA1

1550def794294b96adf8f8926f7b13c752f87c47
SHA256

d0d36947c6eb2116ad8bef6dd26ecc1f67e6aabcba560ba68291136362decee2
SHA512

dbc13082ab3ac98070bfd6c6afd00cac56e53b3c7b6dfbc851477b53d71817c440f9fcb670b7ead238a548864506524cd7ef828df0ccb8c27aac78658b462dbc

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 39 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1724861073-2584418204-2594431177-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1724861073-2584418204-2594431177-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1724861073-2584418204-2594431177-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1724861073-2584418204-2594431177-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1724861073-2584418204-2594431177-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "395309439"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1724861073-2584418204-2594431177-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1724861073-2584418204-2594431177-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1724861073-2584418204-2594431177-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1724861073-2584418204-2594431177-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1724861073-2584418204-2594431177-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1724861073-2584418204-2594431177-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000079aadbcc12564442a62aad76c0e1e2aa000000000200000000001066000000010000200000005137dfae9a99e0e438a5253bdbb933dcac91c65340c9f3fe65fd511c21d1cd30000000000e8000000002000020000000f81c73bd217089b6130335119de462a8be4665de194e5559ba0b941f4c8c5bac20000000433cac4dc540954932d4a8f11644b63c62c95343cab7a79d39980b450daeeda24000000001d7d997accea44ec1b1a866d5aa88a67ac7d4b834631bc2549c6cae358b7818cf7cc86d001b1e028daac3b4a6e1a2b53c076726606b508f1a5cacc734935a04	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1724861073-2584418204-2594431177-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1724861073-2584418204-2594431177-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1724861073-2584418204-2594431177-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1724861073-2584418204-2594431177-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1724861073-2584418204-2594431177-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1724861073-2584418204-2594431177-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1724861073-2584418204-2594431177-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1724861073-2584418204-2594431177-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1724861073-2584418204-2594431177-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1724861073-2584418204-2594431177-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1724861073-2584418204-2594431177-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1724861073-2584418204-2594431177-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1724861073-2584418204-2594431177-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1724861073-2584418204-2594431177-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "2"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1724861073-2584418204-2594431177-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1724861073-2584418204-2594431177-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1724861073-2584418204-2594431177-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1724861073-2584418204-2594431177-1000\Software\Microsoft\Internet Explorer\SearchScopes	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1724861073-2584418204-2594431177-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1724861073-2584418204-2594431177-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1724861073-2584418204-2594431177-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1724861073-2584418204-2594431177-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1724861073-2584418204-2594431177-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = c09f7bcd17afd901	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1724861073-2584418204-2594431177-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1724861073-2584418204-2594431177-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{052541B1-1B0B-11EE-B001-6A51C30B8975} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1724861073-2584418204-2594431177-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1724861073-2584418204-2594431177-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1724861073-2584418204-2594431177-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3060	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3060	iexplore.exe
3060	iexplore.exe
2352	IEXPLORE.EXE
2352	IEXPLORE.EXE
2352	IEXPLORE.EXE
2352	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3060 wrote to memory of 2352	3060	iexplore.exe	28
PID 3060 wrote to memory of 2352	3060	iexplore.exe	28
PID 3060 wrote to memory of 2352	3060	iexplore.exe	28
PID 3060 wrote to memory of 2352	3060	iexplore.exe	28

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\nkrk.html
1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3060
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3060 CREDAT:275457 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:2352

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
9c9477fd1c8caaa5239b1df8c337afe9

SHA1
09e139f1737f534dcdc104f3173236e6a716dd1b

SHA256
4371227660ceb758c0fd55471feefc0e74b49b9d11532b79beedb076247eb6e7

SHA512
4206d5d1550b1a5e4edf5328cce4e86c0c39a6942b8bbad660871d43f5723668ff2a122941d99d9222a08e8f66a1b9823e5986182690fa63b1656b34c87ec956

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
34213ca10b1ab7493faa73ea781b9b95

SHA1
6fbdbbe8b1ec6310c3f523dfb61153943ad757b4

SHA256
bc82e588ce00fa10d02c2b3f64303a01d4c7939ea93dc88b5f3adc6d0e7fa60f

SHA512
33a221126b6956a2738ba056473060daf55b2350e364cd9f72bfd00aa1ae62de765a0eebbede1718faae6eddf94a3fc4316ce2b098953019df0452d740572641

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
ee2a00b6ec752b324158001422a9c58b

SHA1
8a065b671fb6c296ef6bb2d5d8a95b284a0cad63

SHA256
ed016849b5d1d95c1d5bf8c2d7e541285033755aedcb17d1bce24ca47796683d

SHA512
94a75dc08832753cba91de697de484cbe13e8563f49fed52c77b505eb2dbae4186cc51023362530a95843ef4f6208405a86620f82364b0bff1a1795f31cbd883

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
c00db122dcece449c9a795e6e8758d4c

SHA1
b68cb03d9cd2bbf67448fccfcd8594cb4b08f0b0

SHA256
a9ed1d9510a21c731fc7f7434c24cb080d66e1a667095aca553481749f58d3e1

SHA512
729c6f62fc60bbe4b512407174c2ad66fbb84c0a973b053667e9281f9b80170ccb5f3deeab9d4ac5a199ab2ae491019d15b414e62563580410d85f06ffc4e223

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
60165886bc9127f53f78037b5fafa5a2

SHA1
4ede713cd6ca182df5176e7ad316e312f16fc9f0

SHA256
373589df46ba1edf931fcbe3b85a63edc04ac40e7fa7c11ce13a14864817a22c

SHA512
7a40ce8f7a3092d170c1250428c4f08c363bb72e07df3f5f07f681d8c4fbdc4dda0311518aecd47842b90fc9ac1d59a42a069ff1cb7d340b5649211b965a1f20

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
519039522f5ade2cdf16901c9866905e

SHA1
e1beb9d9accb8484b98d60736b98cb4b3765c85e

SHA256
9f38ecbbb1e8fc71e0f6dc97cba8d35994818fb2c919d5de3493903d2f7b36f1

SHA512
13f33a748cd428bf56ac3553a56e91528a974bf14be038a8b9a17c685ab3753142e2570be891be0668c5650c080592f45609f8aa44cdeed994de56fea6a29cd0

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
10283f4149a44763c292cfd7c98b92da

SHA1
7ae91232e80e0030a30ed0b13ecdc75fcbef7285

SHA256
0d709a2fb39a76d6ca3f159b7582c9f4891a5860ea64d9af3938d2c8df67f0a6

SHA512
8eac03439253ad8ba35674eba75079769fcdc76292d5cf9ce8c1d31b35730c9b19c6da16821cb5f10463987e6f502334866b3d241ca7ab6f4eae7ef4427c159d

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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
4809bfc2550498dc3e953a77e6211b35

SHA1
33283538a666da848feb84d97ba0503b74e22c27

SHA256
5b10bdae677edb11a381b6812521a070d81dfd26223ad038f3b6b68b9c36d7ad

SHA512
eb18a783e27a6ce2154b5d3e2744e190cc2d1428725ad263aca59f621705e31dbe26dce54988e6407224e83d31d6b0360fed08f3b360e4441c418312c7e82d10

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
842be7929d803a4c6ab8f07950efe956

SHA1
9dd2ce96dd72cc8b3de972d5f05d05845d70c6e0

SHA256
2c9b7278ed7eccf142264156b7d155353031d19a69e4ed17b4219fd7e5339445

SHA512
579424fc4c0fd743145074c6b761ba8031055a6e052c999a30bcf7a17558c0c37e6baded80096ca63f5f2e78e96de2bad4d02505f519a07ed0fa9a5950c2fac0

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
2f207e87ca8e3d97b83bba93e75bd557

SHA1
496bf294823c8f6786bca1b751fdd5aa23f51f44

SHA256
5dcec74c189b14a0addfd78c0920015fada6f0a71c8d0b4a115ac9d9d6a6c8c8

SHA512
c926f01fa0af481465c01b14ad4ecb7ceecbfad37fd4a1804fab8252b3fcc1e97d647d4342a0c7669ef1ad205c162e0e29bb6839f48e7337becd0a065ef1b789

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C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\DomainSuggestions\en-US.1

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\imagestore\1rjfxcu\imagestore.dat

Filesize
5KB

MD5
249fe1e1997edd2b6b0bce8f79a000e4

SHA1
7ad002f945c376fb94d4f18520ec474fd6c79035

SHA256
e8abbc2bc306f0a397732ff8db65f90a72ce1ce8cefaf5d957198e49e9df4ef2

SHA512
57a31505a93b1a77d6f8dff9ebb6c4f8baadc324e01f1fd8f07e92ee707e4539be4e1f471393adf9bb1fa6633b8a6d5acfaa82e7a966248a3b5a0923baa19928

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\8DEHEN72\favicon[1].ico

Filesize
1KB

MD5
f2a495d85735b9a0ac65deb19c129985

SHA1
f2e22853e5da3e1017d5e1e319eeefe4f622e8c8

SHA256
8bb1d0fa43a17436d59dd546f6f74c76dc44735def7522c22d8031166db8911d

SHA512
6ca6a89de3fa98ca1efcf0b19b8a80420e023f38ed00f4496dc0f821cea23d24fb0992cee58c6d089f093fdefca42b60bb3a0a0b16c97b9862d75b269ae8463b

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C:\Users\Admin\AppData\Local\Temp\Cab7C06.tmp

Filesize
62KB

MD5
3ac860860707baaf32469fa7cc7c0192

SHA1
c33c2acdaba0e6fa41fd2f00f186804722477639

SHA256
d015145d551ecd14916270efad773bbc9fd57fad2228d2c24559f696c961d904

SHA512
d62ad2408c969a95550fb87efda50f988770ba5e39972041bf85924275baf156b8bec309ecc6409e5acdd37ec175dea40eff921ab58933b5b5b5d35a6147567c

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C:\Users\Admin\AppData\Local\Temp\Tar7CA6.tmp

Filesize
164KB

MD5
4ff65ad929cd9a367680e0e5b1c08166

SHA1
c0af0d4396bd1f15c45f39d3b849ba444233b3a2

SHA256
c8733c93cc5aaf5ca206d06af22ee8dbdec764fb5085019a6a9181feb9dfdee6

SHA512
f530dc0d024a5a3b8903ffaaa41b608a5ccdd6da4ba1949f2c2e55a9fca475fec5c8d2119b5763cabe7ef1c3788fb9dcac621869db51d65b1d83cfe404fb4c27

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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\9MKL355N.txt

Filesize
606B

MD5
7ec8dd4c7514dd61c2c7fea9d63f9be5

SHA1
50b63b3e9dcd5fe47e2715abeb0af254ccd4a85e

SHA256
32975205b366aca12f9114f163c4682c120a2a2b3578745f60ca2a3b8036a478

SHA512
14c081c123dafda7efa54375f52a91b393891190626bc232fe62335f6a96f3efd6ad337c57ffae5f574758740f6941ad412e6f057e74cbfd3b28358086e8085d

Download Submit