Analysis
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max time kernel
0s -
max time network
142s -
platform
windows10-2004_x64 -
resource
win10v2004-20231222-en -
resource tags
arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system -
submitted
30-12-2023 23:13
Static task
static1
Behavioral task
behavioral1
Sample
1f9bfff345d8db0b029c5e75fd181458.html
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
1f9bfff345d8db0b029c5e75fd181458.html
Resource
win10v2004-20231222-en
General
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Target
1f9bfff345d8db0b029c5e75fd181458.html
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Size
85KB
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MD5
1f9bfff345d8db0b029c5e75fd181458
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SHA1
fb3cfff400dae1f71a4fd85ddc43e56cb6958e43
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SHA256
ea1f592f3a779ebc9bd7cec958993cc2e4076d4ae79cc73916974addcd30898b
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SHA512
c98e518d428dc8be78374e15e2b2ed840dc9cd31915dd1cff6c51046c924425428c06055a4fc7214cafac05ba178eb4226ea8d59bb039ca6ffdb066a3f56ca63
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SSDEEP
384:zIhRdhCqD8mWd1/saIBydc8CUIDV1IfqJPkWbhmoyJ09CvkQb3jVxibGygkTZiIf:z8dhfU1nXfqJPkWbhmoyJ08bKgkTLx
Malware Config
Signatures
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description ioc Process Key created \REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{B38C1EC4-AB36-11EE-AA35-66BCDF92515D} = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4660 iexplore.exe 4660 iexplore.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4660 wrote to memory of 1592 4660 iexplore.exe 16 PID 4660 wrote to memory of 1592 4660 iexplore.exe 16 PID 4660 wrote to memory of 1592 4660 iexplore.exe 16
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\1f9bfff345d8db0b029c5e75fd181458.html1⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4660 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4660 CREDAT:17410 /prefetch:22⤵PID:1592
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
15KB
MD51a545d0052b581fbb2ab4c52133846bc
SHA162f3266a9b9925cd6d98658b92adec673cbe3dd3
SHA256557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1
SHA512bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d
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Filesize
17KB
MD55a34cb996293fde2cb7a4ac89587393a
SHA13c96c993500690d1a77873cd62bc639b3a10653f
SHA256c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
SHA512e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee