Analysis
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max time kernel
142s -
max time network
158s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
25-01-2024 17:29
Static task
static1
Behavioral task
behavioral1
Sample
75188fa05905f4a785aaffc7bbb8005d.html
Resource
win7-20231215-en
General
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Target
75188fa05905f4a785aaffc7bbb8005d.html
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Size
12KB
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MD5
75188fa05905f4a785aaffc7bbb8005d
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SHA1
34be493f932e2cfb25b299215b67d3e35c720558
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SHA256
b11a715b5512834043db156dbcb34260dd058d8f03c4c62310fd9d7fc454a328
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SHA512
951a8e6ac604be5f5ac49965466fa80f6138c82ff26e0c09746ba5ec6a400a67c82d0ec02433c32bdb91ecf5ac1b4cdb038fc760c1459ccd342654173427d919
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SSDEEP
384:xy1R1QREDBeVliOshvU2ee7Io48U3XXRRY35oCPRrMO77OM0TCtxYLuZ4mXYHbwG:xy1R1DeVUO8cz+Io4l4V77OqK
Malware Config
Signatures
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Processes:
IEXPLORE.EXEiexplore.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = b0dc6235b44fda01 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31084468" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{5E0D3634-BBA7-11EE-B7F4-527BFEDB591A} = "0" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\Software\Microsoft\Internet Explorer\GPU IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31084468" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "412968777" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = e03a5235b44fda01 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Key created \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Key created \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\Software\Microsoft\Internet Explorer\IESettingSync IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "846616906" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000d228e40a7820b94dbd5c7b6846f2f5ad000000000200000000001066000000010000200000001abf145b8d37b5b404b0eccf821ee46ba1d2a84be34f707e3aeb7af16f3c561a000000000e80000000020000200000004a9a653f0e2c7caebca3a73e6e8b39e7ec21af4c00bb309e7231ebb9cd63c11120000000ae6300c1dceb8c52edfd500e8841a7f8d53142a42db2e54ed54ea3f47f1b04e540000000f440228f29d97ac05c5b72e6709ad3984dff2b19e24db9f232be77d8f2923fe177aa865b6b650af782d96ed9e4df9a419ee99866be8132c6a7b40f4992221cb5 iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000d228e40a7820b94dbd5c7b6846f2f5ad00000000020000000000106600000001000020000000440f2dc1a391e8cc313d46cc0f71ec093a114bcd958faf213297810699bad0a1000000000e8000000002000020000000cf93f992a0db9dd83c21c148e08b929e04a4e0930bcd0ea4b2784db24a04d4de200000004d89e66104a32b3b397408d59f35bb3d81d47899673a700f6b57bbea7c28ede2400000005196f94aa0f23001febd315e5a25805a4113de7a271213c26f422094756f5c7620b0e8e69e166e4ab7416cf70e5046fb32712be91dd47ac218ee35709e6a02fd iexplore.exe Key created \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\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 Set value (int) \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31084468" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "846616906" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing iexplore.exe Key created \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "868960552" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
iexplore.exepid process 2472 iexplore.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
Processes:
iexplore.exeIEXPLORE.EXEpid process 2472 iexplore.exe 2472 iexplore.exe 384 IEXPLORE.EXE 384 IEXPLORE.EXE 384 IEXPLORE.EXE 384 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
iexplore.exedescription pid process target process PID 2472 wrote to memory of 384 2472 iexplore.exe IEXPLORE.EXE PID 2472 wrote to memory of 384 2472 iexplore.exe IEXPLORE.EXE PID 2472 wrote to memory of 384 2472 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\75188fa05905f4a785aaffc7bbb8005d.html1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2472 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2472 CREDAT:17410 /prefetch:22⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:384
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize471B
MD51d7f25dc2d6699e79619c31ff8908f6c
SHA1de3c1be6c3f3e7f6eadbe715ae575794e5bf1221
SHA256845c8a47772a9c534cf13a177c83c40db250a6dbbd0a369401ea884b8d058d6e
SHA5127a6e1765a31821e79b766ea0675ed17d735a40766d5fcd6cc305a8d33b8257d11e492d4ad8626f2909e1c2c2d93e8d04ed133effd0a3ec29324ec3ca36a22a1e
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize404B
MD599a061a2bc761f20b560cd5485f2c8e7
SHA17ddeb52702dd1d04442b1380de7d93fc3f2ff8b8
SHA2565607cf967f3326b06b979f3ddb1f60ebdb3932362db40263439920c66828ffa5
SHA5127fa7b1595c0a3df66b1f33ebd3de3a49c5a74a12735c50e0a4d05030a853121b2ba26737caee731fd0ca80e5883ea41adbba9f61d6a8fed9bbdd8287485aeceb
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Filesize
17KB
MD55a34cb996293fde2cb7a4ac89587393a
SHA13c96c993500690d1a77873cd62bc639b3a10653f
SHA256c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
SHA512e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee