Analysis
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max time kernel
144s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
12/01/2024, 06:44
Static task
static1
Behavioral task
behavioral1
Sample
55c2a1dd113eaa930bb5448a91ab759e.html
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
55c2a1dd113eaa930bb5448a91ab759e.html
Resource
win10v2004-20231215-en
General
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Target
55c2a1dd113eaa930bb5448a91ab759e.html
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Size
432B
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MD5
55c2a1dd113eaa930bb5448a91ab759e
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SHA1
12243733b78a90773d5cad9d29f604d54f833759
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SHA256
55f0827d2803fac9ac22972f122744f53a9f8c918fdf551e2b060fe81cdca3e1
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SHA512
30f21aa09f4963cd8694ac17adaf995a7f8478de3d1c405b8a53e39225aad6b687b1ac8728f80d622d3b7d4438a1a41159ba91dcaeb0da104019323e2684d889
Malware Config
Signatures
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description ioc Process Set value (data) \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000025ba558cff15364f83b59eef6d4e53a400000000020000000000106600000001000020000000a1c839ed3d9fffebfc9283488b271c37027a3606304b575d5140abd7af206769000000000e8000000002000020000000e97ebc84dd14680e73a000edfc85d89e45483b386ed73447f14871dab0decd0e20000000289fd1079c887d750308daa8224b8b4462433ecbdb310976fe0e38d7c63e771a40000000880e4c118dfadd32c214d49a78b5a0f1d075820b699bc1a44cf07eadbf7e3438ba1c6558856b95e6f6459534d4747af97f95643dccf251e8018e320ad17bfed0 iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 50699aeb2645da01 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{25993B95-B11A-11EE-9963-7672481B3261} = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "4195846694" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31081766" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "411808610" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "4195846694" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "4197565592" IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000025ba558cff15364f83b59eef6d4e53a40000000002000000000010660000000100002000000006554daf1d54ec40169b96daabe3cd76ef0c6c55c98ef80ae33d00f320be4424000000000e8000000002000020000000a3ecfca217424214b6d3d87ab0f60a34c521cf98062bb888975cd81acc912ec720000000052436ffb6194926f4c238f2abfadc5c01973104bfd4071876a53a0e5da8804340000000ea16d0f7e11496583d03767b3557061f9e2a5b9a7dde6e462b23bf72544256fcc4d50fdbabe420181f9d6d99f3679bcf3a711c2cc99df391bc691b9406239f9d iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 501c6ef12645da01 iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000025ba558cff15364f83b59eef6d4e53a40000000002000000000010660000000100002000000036a82a634d45211fd393806ee7901d13c58ef1da3413a6f49de25ce15ea3488e000000000e8000000002000020000000ddb58ecb86b2613f026e84d9d7efc94a9c11ca8d97f2439ea691ab568e2933da2000000093d1a3ab196cff0f0a967bdf7cda330eb33212e47df2fe13d2b26b39021c412e40000000827de755c80e85a654a6aeff5342d29a07e38f45bf3be11402d08d577070924d353157d3c60f9909dd9303a35e9baf6e261a7f3a463ec1cd56d67488bdaf9a8e iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\Software\Microsoft\Internet Explorer\GPU IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000025ba558cff15364f83b59eef6d4e53a400000000020000000000106600000001000020000000101c8b27fbf0b8a398339e74afa7591f56b96b5261aee076f6b513401d4b085f000000000e80000000020000200000005393712d9011dbf61e39d49da971de6d244191fd1b0630abbef5e880397774602000000043ae9a746300a8acad7064652b9ff681f4a7c62457bd7c5c8dcbba5e245e503940000000aed807474ec32867f7b5fe0e7f2a573cc0cdae25e5f6ab57835c8b01f2fb32111742c06337fa56fa75487fb9296adf8cef32ad882a720b9a3e025e95c197d22f iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31081766" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\GPU\AdapterInfo = "vendorId=\"0x10de\",deviceID=\"0x8c\",subSysID=\"0x0\",revision=\"0x0\",version=\"10.0.19041.546\"hypervisor=\"No Hypervisor (No SLAT)\"" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\Software\Microsoft\Internet Explorer\IESettingSync IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 40f76dea2645da01 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 8075c6f12645da01 iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31081766" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1" iexplore.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1176 iexplore.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 1176 iexplore.exe 1176 iexplore.exe 4840 IEXPLORE.EXE 4840 IEXPLORE.EXE 4840 IEXPLORE.EXE 4840 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1176 wrote to memory of 4840 1176 iexplore.exe 25 PID 1176 wrote to memory of 4840 1176 iexplore.exe 25 PID 1176 wrote to memory of 4840 1176 iexplore.exe 25
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\55c2a1dd113eaa930bb5448a91ab759e.html1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1176 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1176 CREDAT:17410 /prefetch:22⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:4840
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2KB
MD5e7ad17944022d1f4295e7c6c53e2e6f8
SHA1b5a1ec7ed0adc7b510e7dc0773b0a08bc2992610
SHA2568f0bbfbbd9afa33f0763e96a9ab704a0e26afb8a58a40f5219fa6f68b86236c2
SHA512e6eca295d655047dd3ccccf3a52f7fa2402989b7f1eb0ed0f1bb83c23ac970f1be2a841e8fc368e0558525d034a85882df14088c50523052cb69bcc113e3bbea
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Filesize
1KB
MD591abe01116ab422c598e9c8af72cf4da
SHA10f2815fe8e067d48537ad168225ab4674271fa27
SHA256b1d7aef06456fe7431124129a28f0138bb5fccfa4f4161e3087de23c005e5edc
SHA512a4d5b20c3014153b6b382c43404917bd2cb5bd2a59bb1e981f5a19eb7dbdec185ace288e9700428d24e5ac623e45d04905e706f0c45a1642b1aa6c091213c23c
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Filesize
17KB
MD55a34cb996293fde2cb7a4ac89587393a
SHA13c96c993500690d1a77873cd62bc639b3a10653f
SHA256c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
SHA512e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee