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Analysis
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max time kernel
0s -
max time network
130s -
platform
windows10-2004_x64 -
resource
win10v2004-20231222-en -
resource tags
arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system -
submitted
31/12/2023, 14:40
Static task
static1
Behavioral task
behavioral1
Sample
3a1e98133ade3d2695a67062fdcff390.html
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
3a1e98133ade3d2695a67062fdcff390.html
Resource
win10v2004-20231222-en
General
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Target
3a1e98133ade3d2695a67062fdcff390.html
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Size
3.5MB
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MD5
3a1e98133ade3d2695a67062fdcff390
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SHA1
2a80ce5bdffcba54cb22d52e0179618520f2f11e
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SHA256
bf3c0dd4a1f76836bed01cda27bd500afe211fde1a724a6270652ed3c05355ff
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SHA512
c9b6bdf100f48920e8a1a4acdf74fee5011757c17a45c20862047e104dc0649a3118c67aff1990e090ab3ac0abdfc564e62495df04eb3961b71ce3f9df505dba
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SSDEEP
12288:oLZhBVKHfVfitmg11tmg1P16bf7axluxOT6NfN:ovpjte4tT6NN
Malware Config
Signatures
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description ioc Process Key created \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{9F420FA0-B002-11EE-A0B6-E2FF52840C3F} = "0" iexplore.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2412 iexplore.exe 2412 iexplore.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2412 wrote to memory of 4856 2412 iexplore.exe 18 PID 2412 wrote to memory of 4856 2412 iexplore.exe 18 PID 2412 wrote to memory of 4856 2412 iexplore.exe 18
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\3a1e98133ade3d2695a67062fdcff390.html1⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2412 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2412 CREDAT:17410 /prefetch:22⤵PID:4856
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
17KB
MD55a34cb996293fde2cb7a4ac89587393a
SHA13c96c993500690d1a77873cd62bc639b3a10653f
SHA256c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
SHA512e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee