Analysis
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max time kernel
0s -
max time network
122s -
platform
windows10-2004_x64 -
resource
win10v2004-20231222-en -
resource tags
arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system -
submitted
04-01-2024 10:48
Static task
static1
Behavioral task
behavioral1
Sample
40a958c7e3d24b57eafeac7c4b9c6f99.html
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
40a958c7e3d24b57eafeac7c4b9c6f99.html
Resource
win10v2004-20231222-en
General
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Target
40a958c7e3d24b57eafeac7c4b9c6f99.html
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Size
3.5MB
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MD5
40a958c7e3d24b57eafeac7c4b9c6f99
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SHA1
15562c6947f7b28431294e259ace568c16b02ab1
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SHA256
69a3142b3fa6c77541497fb74e2ba60ea71e06129d94c1d72133507eaf1c25af
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SHA512
d623b6142a2cd107547ed899177fc63695ee5858162570fac617a9e2d01590765db062d7ef2cca74f9c5b85d9d49ad3ad1b96ef25449954e5acdb5d5fff07ee2
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SSDEEP
12288:jLZhBVKHfVfitmg11tmg1P16bf7axluxOT6NSa:jvpjte4tT64a
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 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\{D5F065E3-AAEE-11EE-A0B6-E650309876D8} = "0" iexplore.exe 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 -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 792 iexplore.exe 792 iexplore.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 792 wrote to memory of 3964 792 iexplore.exe 17 PID 792 wrote to memory of 3964 792 iexplore.exe 17 PID 792 wrote to memory of 3964 792 iexplore.exe 17
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\40a958c7e3d24b57eafeac7c4b9c6f99.html1⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:792 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:792 CREDAT:17410 /prefetch:22⤵PID:3964
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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
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Filesize
84KB
MD5e071abda8fe61194711cfc2ab99fe104
SHA1f647a6d37dc4ca055ced3cf64bbc1f490070acba
SHA25685556761a8800d14ced8fcd41a6b8b26bf012d44a318866c0d81a62092efd9bf
SHA51253a2b560b20551672fbb0e6e72632d4fd1c7e2dd2ecf7337ebaaab179cb8be7c87e9d803ce7765706bc7fcbcf993c34587cd1237de5a279aea19911d69067b65
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Filesize
83KB
MD52f6b11a7e914718e0290410e85366fe9
SHA169bb69e25ca7d5ef0935317584e6153f3fd9a88c
SHA25605b85d96f41fff14d8f608dad03ab71e2c1017c2da0914d7c59291bad7a54f8e
SHA5120d40bccaa59fedecf7243d63b33c42592541d0330fefc78ec81a4c6b9689922d5b211011ca4be23ae22621cce4c658f52a1552c92d7ac3615241eb640f8514db