Analysis
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max time kernel
146s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
24/01/2024, 10:14
Static task
static1
Behavioral task
behavioral1
Sample
71f62d964c7b82f1f2d7c2bfa1519238.html
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
71f62d964c7b82f1f2d7c2bfa1519238.html
Resource
win10v2004-20231215-en
General
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Target
71f62d964c7b82f1f2d7c2bfa1519238.html
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Size
58KB
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MD5
71f62d964c7b82f1f2d7c2bfa1519238
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SHA1
6dd754cd736f4b99d51474c95753081c9fd2a7cd
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SHA256
463b32b513f79ab3af823f22187693281db1e075092f15df5386955f39e86409
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SHA512
99cc60364817ff565e990e4dc3f46b9bdec2bfad42694ceee94f3e5e45937572b29fb7c689621eb8c96166285a85e31aaa1fce996b375c7635b9d04e8231ea46
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SSDEEP
1536:NRRT9rCX7CeHAKsPbQJ1CPMeBrVjTRvRb8vFZqBU02zArQJt:NRx9rCX7CeTsPbQJMPMQRZMFZDara
Malware Config
Signatures
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description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "923486812" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Software\Microsoft\Internet Explorer\GPU IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "412856255" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31084206" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31084206" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2" IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31084206" IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = f085ef4dae4eda01 iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = f0f6f14dae4eda01 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "927080561" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Software\Microsoft\Internet Explorer\IESettingSync IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000cfa71eb1212ca24fab6a788c17de62210000000002000000000010660000000100002000000022284aa1683fae8a74b85a7c52025c5231ef3bb554f3d09ac36569a8945fd1c2000000000e8000000002000020000000ddcb2c559f093ded693c7f5560b415020db40f6be314e57bc34f95682557b75220000000030a97929f3656b8e492a7e60a104839c081019980b7f26762c7369b0fff432d40000000a7bcc839072ffe77b6cbe01a88b9f2eda828eff719e4bfc94a6fe1fe165948c20c53bb72a1e445d54d6adad5e1c192a727e085578f1dd09b4bf488d15010a703 iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000cfa71eb1212ca24fab6a788c17de622100000000020000000000106600000001000020000000d858097faa5549529acbb05541c70fa9b9331299035a5fd20260fdbf7fd9d4d2000000000e800000000200002000000069ca12c6f9df0b7b903c71dbbff96eba5d26b768185f7175a4da33b29dcf3b0b20000000e9e1f64913421590680fb8c3031b3f1e41505d2c473d02ffb491e3bfd9dbc824400000000eb1588127ac40750001b0979dae7131392f5466937cc0c488f1b93d4c02a3e44127bfba64fda73bf6849da9f939ec803a7ca19a149cebe08466c31b43fa5303 iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{62A1499D-BAA1-11EE-9ECD-FAD2FAC7202F} = "0" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "923486812" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\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-1-5-21-1232405761-1209240240-3206092754-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4104 iexplore.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 4104 iexplore.exe 4104 iexplore.exe 3708 IEXPLORE.EXE 3708 IEXPLORE.EXE 3708 IEXPLORE.EXE 3708 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4104 wrote to memory of 3708 4104 iexplore.exe 86 PID 4104 wrote to memory of 3708 4104 iexplore.exe 86 PID 4104 wrote to memory of 3708 4104 iexplore.exe 86
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\71f62d964c7b82f1f2d7c2bfa1519238.html1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4104 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4104 CREDAT:17410 /prefetch:22⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:3708
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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
MD5f3990afbcdf64f1f806d1b926cf35b3d
SHA1da1297f9ac1e9e9e7e78b567006e9248bfc212f7
SHA25648c214dd545cc2718f7e844d699efae28f80d683340959e000bb41ad75dd6386
SHA5129b5bc750b2e1038c82a93d51efe0d7dcf951ca594a62a90bac0ca1019d232afd07f9630e1ba1b609e128a9ba9c23c1ea8f1badd9e6b25f3eb591a936c89ee939
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize404B
MD5676d887fe384cc6488130dbbb9e5422c
SHA1ee084787ff73520adfd22a1b637aec793e00ee3d
SHA2564a1707c8677c3139c5676801f95363037a35804da841a415d9e25ec57773336c
SHA512eff2be077a588110eabca932515e87fc42e9bd4d0d14184e5a43efa88b55efc26e2dff0afe4a5fd36e13cafb41cf68171607f1ec550cd7e98088fcdb6c95092e
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C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\0SGFK56Z\478691279-postmessagerelay[1].js
Filesize12KB
MD592169c8a0fbf6e404267d0705cdbdf42
SHA1a5cd88b74ca5ced239cdbfb458fe25540d671f46
SHA256dba668b49a111527aac8f616b9053ea57c944e01a84ebdcd02a13da921223384
SHA5128c5d35ea512fa7be367cd9a9ded2f23822dcce730e5502a355ed0d48949ef763eab13be0d50a66de6b0f8419d6a002c12c4ddbf20d97f5393ba922e48a4f02e2
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Filesize
17KB
MD5f019fdda31635d2a31b151ad8ad56c7a
SHA16adcbec55f66ffaef83d9a134423aa98eb2a2189
SHA256c7fc0b1526533002c956ebf8e8c42c3ad3f96c41ace73fb4063cc89051944831
SHA512fc278c12316e098976833882a38c788d812f9d36bd1b9b2b8c87dab4dc906af26a860df95436ea1b7d509236d44d0533d475a153437f8f5d42653fc28a77ad64
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Filesize
64KB
MD5ee01651d160cfc55249d6011a3c45916
SHA179d6121df6575974ad21dafce33ec98e3f2f0a7f
SHA256639d75299973c7d3794eb7eb129e3b5a6139f9f521e1f14383abd0fd501219c9
SHA5128a39dfc1ff2c58ac106225976aafdaf7befc0a28903a0c65e2c272e1967c3336af2b477ec12604400bb8e16aecee6567c9cb9d157e3d54649e28b9b2f920432f
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Filesize
17KB
MD55a34cb996293fde2cb7a4ac89587393a
SHA13c96c993500690d1a77873cd62bc639b3a10653f
SHA256c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
SHA512e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee