Analysis
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max time kernel
92s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
03/02/2024, 17:47
Static task
static1
Behavioral task
behavioral1
Sample
8cf4d9bb844cb2554c197b9d1bed302e.html
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
8cf4d9bb844cb2554c197b9d1bed302e.html
Resource
win10v2004-20231215-en
General
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Target
8cf4d9bb844cb2554c197b9d1bed302e.html
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Size
44KB
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MD5
8cf4d9bb844cb2554c197b9d1bed302e
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SHA1
1c1ec6617a0cfc9d97782192190ab4e07616b74b
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SHA256
f9f06b57b46a5eea32e4549b843ea9e2f270968ddf926abed38453a999acf940
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SHA512
c199710903ce79746ada58f0145964b38e8e58de79c433a518a53bc94f79b5806fcaedfd0a1c3826b43d6f5ce7d5c2f65e9677779cd65dfee75e33e895c9ea56
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SSDEEP
768:mwS0l/sGVLsk8ejW4mTNn2ofcelgSoMUA7jrk:mZJtBcelgSQ
Malware Config
Signatures
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description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "413747419" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{49618793-C2BC-11EE-8024-F68B0B0A1028} = "0" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\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-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "512193394" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "501724391" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "501724391" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31086281" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31086281" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\Software\Microsoft\Internet Explorer\GPU IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31086281" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2388 iexplore.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 2388 iexplore.exe 2388 iexplore.exe 4420 IEXPLORE.EXE 4420 IEXPLORE.EXE 4420 IEXPLORE.EXE 4420 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2388 wrote to memory of 4420 2388 iexplore.exe 84 PID 2388 wrote to memory of 4420 2388 iexplore.exe 84 PID 2388 wrote to memory of 4420 2388 iexplore.exe 84
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\8cf4d9bb844cb2554c197b9d1bed302e.html1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2388 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2388 CREDAT:17410 /prefetch:22⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:4420
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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
MD552bfc02b370f1b48b834ce1c58ad6560
SHA1d3dbca3ed04caabf69ec8d525a83cde0919809cf
SHA256fce02a7cb2ed194e21949d8a394e69f1dd30c4c517addc831018b8a0b7235a97
SHA5125fb4c1b2d4173f5de1237e2fd55b9081b99756217d5d639da3e0e1bbe339d87be2e9b732ef783446bdedee2af8730e4bedb3184d58ba0bce0881ddc199495289
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize404B
MD5ada1104af267e11f43210ec3e0957839
SHA1e7d255236dedd3dadd1ef87e00d6dfa0b38c1c8b
SHA256386bec91f620899b8765597913d88524d99431b1c4bf39bfb51094d94055a405
SHA51253cb62c67352ae2294a02d53fec1fcc84ceb830284d514e95ed786c54194e25c090b272094e0b73bc5cb9b2bf242308946af913e3f31bdf471ff496ebff3738a
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Filesize
17KB
MD55a34cb996293fde2cb7a4ac89587393a
SHA13c96c993500690d1a77873cd62bc639b3a10653f
SHA256c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
SHA512e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee