Analysis
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max time kernel
70s -
max time network
139s -
platform
windows7_x64 -
resource
win7-20220715-en -
resource tags
arch:x64arch:x86image:win7-20220715-enlocale:en-usos:windows7-x64system -
submitted
06-08-2022 07:10
Static task
static1
Behavioral task
behavioral1
Sample
attachment20220806-3374-1rkys2c.html
Resource
win7-20220715-en
Behavioral task
behavioral2
Sample
attachment20220806-3374-1rkys2c.html
Resource
win10v2004-20220721-en
General
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Target
attachment20220806-3374-1rkys2c.html
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Size
1.1MB
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MD5
337e45102a47c376dbe0c96319c1b64d
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SHA1
844b820ea60c3611ffef871b05632f8993dd460b
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SHA256
1e1c7387c2735feb16903b1c721b9c3df4b6e5bdd9475a21a0ae244546e4ac25
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SHA512
2f9a73c397e7eaaba537a9f7bcf343afcc486bc1285f4eb6f6ce9688b826c6cc3abd9d25ccb462c516075b8f9e4bdbe8644b8d5498634cf4b4baec1e09a616bc
Malware Config
Signatures
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Modifies Internet Explorer Phishing Filter 1 TTPs 2 IoCs
Processes:
iexplore.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Internet Explorer\PhishingFilter iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Internet Explorer\PhishingFilter\ClientSupported_MigrationTime = 404fe26874a9d801 iexplore.exe -
Processes:
iexplore.exeIEXPLORE.EXEdescription ioc process Key created \REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Internet Explorer\GPU iexplore.exe Key created \REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser iexplore.exe Key created \REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage iexplore.exe Key created \REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Internet Explorer\Toolbar iexplore.exe Key created \REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Internet Explorer\Zoom iexplore.exe Key created \REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Key created \REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb010000007647cecb75a30445a6fd9fb68eba542700000000020000000000106600000001000020000000b9d621207d6984523c10fc36e254e77cafe4bd75647373a6c056ca414dd85ef4000000000e80000000020000200000001122ddb64c48ec2ca6f02b7da929f199107b94ff3f73f0f94434e80be34e3bea20000000c794a25f44204c60b93777fa49bc8b5e333712f8e70b010be6ad3fba460d0633400000005042f7959ddc1e7ace62ea01aea22aae5f744c4cb8e808ddc32470586c43f765b0eee53234bc904fb2180eea124a123ffebab5fdf0560c809c2a535862fa3988 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Internet Explorer\LowRegistry iexplore.exe Key created \REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Internet Explorer\IETld\LowMic iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Key created \REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = d029907d74a9d801 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Internet Explorer\IntelliForms iexplore.exe Key created \REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Internet Explorer\PageSetup iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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 iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{9ABB62E1-1567-11ED-A206-FA60716779A0} = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing iexplore.exe Key created \REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "366542002" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Internet Explorer\InternetRegistry iexplore.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
iexplore.exepid process 1164 iexplore.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
Processes:
iexplore.exeIEXPLORE.EXEpid process 1164 iexplore.exe 1164 iexplore.exe 896 IEXPLORE.EXE 896 IEXPLORE.EXE 896 IEXPLORE.EXE 896 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
iexplore.exedescription pid process target process PID 1164 wrote to memory of 896 1164 iexplore.exe IEXPLORE.EXE PID 1164 wrote to memory of 896 1164 iexplore.exe IEXPLORE.EXE PID 1164 wrote to memory of 896 1164 iexplore.exe IEXPLORE.EXE PID 1164 wrote to memory of 896 1164 iexplore.exe IEXPLORE.EXE
Processes
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C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\attachment20220806-3374-1rkys2c.html1⤵
- Modifies Internet Explorer Phishing Filter
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1164 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1164 CREDAT:275457 /prefetch:22⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:896
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize340B
MD5c00ccde6fe38a47a072f9f43ca24abdc
SHA1855bc2da37d7c264241fb4c5e63fbf595747e34b
SHA256a6ee81ce166791b94657b2c6f26490ba49aae0dcd8d6f718749e24d4387787fe
SHA512658faa775ea4e44b32c72ae54cac1250f745b5228771527c928b13d544eae0fecd2af6bcc0d01231da8458e94ce110ea16fa95f2501fba7ce251f0263e91ab73
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Filesize
606B
MD54b42964a0c2027ab6701a73ca94ac4b5
SHA1aaf41a04350c22a034a1a9a04bfce25d1f9a96db
SHA25623d86a179645a7422a2e143ad5b1fea891e8e80c07e0a9e9f74114a4124e50c2
SHA5126a99ff573d394c7248ecb18b61ecb6320fcd3f0ca51cec8964c0a8ab11588ac9c945b123b120ade2a756ea2401e2fa1b3dde9ae402c296d87750533390c84f4e