Analysis
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max time kernel
0s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system -
submitted
26/12/2023, 15:40
Static task
static1
Behavioral task
behavioral1
Sample
7997b9a2f1ea364e13b690776616b151.html
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
7997b9a2f1ea364e13b690776616b151.html
Resource
win10v2004-20231215-en
General
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Target
7997b9a2f1ea364e13b690776616b151.html
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Size
67KB
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MD5
7997b9a2f1ea364e13b690776616b151
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SHA1
78018ab0f37dc047d2f82173c3b66709394d7ab4
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SHA256
e3c40654c1dfd338b8320805f0188087ad602d8f2d5f7a3a1d99d3232fb0efec
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SHA512
e527ccbfdf66dbba5db635e2244e7965c876d3103308b48045972970fc906be7d6e88ecdcf670697eaffa4882c33909b943e431995d0a84fb17f508cbdb43e66
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SSDEEP
768:SV0hqGbIiP//mdvsYSgLj/DVWmTMYq8Dfr7Vq3t40MSxjfLD+PHgkyMrj3DZ+/Vt:SvIk/ftnwOHmxucR
Malware Config
Signatures
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description ioc Process Key created \REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\GPU iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\IETld\LowMic iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\IntelliForms iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\Toolbar iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{52517511-A532-11EE-9AB8-F6F8CE09FCD4} = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\InternetRegistry iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\PageSetup iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\Zoom iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\LowRegistry iexplore.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2448 iexplore.exe 2448 iexplore.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2448 wrote to memory of 2440 2448 iexplore.exe 16 PID 2448 wrote to memory of 2440 2448 iexplore.exe 16 PID 2448 wrote to memory of 2440 2448 iexplore.exe 16 PID 2448 wrote to memory of 2440 2448 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\7997b9a2f1ea364e13b690776616b151.html1⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2448 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2448 CREDAT:275457 /prefetch:22⤵PID:2440
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
914B
MD5e4a68ac854ac5242460afd72481b2a44
SHA1df3c24f9bfd666761b268073fe06d1cc8d4f82a4
SHA256cb3ccbb76031e5e0138f8dd39a23f9de47ffc35e43c1144cea27d46a5ab1cb5f
SHA5125622207e1ba285f172756f6019af92ac808ed63286e24dfecc1e79873fb5d140f1ceb7133f2476e89a5f75f711f9813a9fbb8fd5287f64adfdcc53b864f9bdc5
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3C428B1A3E5F57D887EC4B864FAC5DCC
Filesize252B
MD5f377a91d55184b007e733362155d27da
SHA1270ee976754ac89640b982eddd50a4603a294796
SHA2561f2e14da6082fb0e0a23ebe682a71a4e0f1194fca7fc7c1076b2e5d202d5eb0e
SHA5126c84fad4fd38ead7b7982144cf10e9116a34253de6ac97048a900e1c14bca4828861a52505a24ae88da106c7212947085a6e01a5fc88b79e118db8980d07057b
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C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\N9U34IAX\ga[1].js
Filesize45KB
MD5e9372f0ebbcf71f851e3d321ef2a8e5a
SHA12c7d19d1af7d97085c977d1b69dcb8b84483d87c
SHA2561259ea99bd76596239bfd3102c679eb0a5052578dc526b0452f4d42f8bcdd45f
SHA512c3a1c74ac968fc2fa366d9c25442162773db9af1289adfb165fc71e7750a7e62bd22f424f241730f3c2427afff8a540c214b3b97219a360a231d4875e6ddee6f