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Analysis
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max time kernel
0s -
max time network
152s -
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, 00:32
Static task
static1
Behavioral task
behavioral1
Sample
21d2dc0da58533c6113de0830152eea9.html
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
21d2dc0da58533c6113de0830152eea9.html
Resource
win10v2004-20231222-en
General
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Target
21d2dc0da58533c6113de0830152eea9.html
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Size
144KB
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MD5
21d2dc0da58533c6113de0830152eea9
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SHA1
9a4b7edac7926f8d33f5964d48b692033631bc92
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SHA256
196e9c02bb0c1d91ad916af5fa4bf2cca8ef125b0ab89515a4b39951ebd67208
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SHA512
1b5dfd8283d916a182cfd6c9a1cbda5d0bb7f86e0077c57cdc91bc17d5e63e664616bcf43c3000a6791cb8ca1ff6e722928a2945b2edcda39799478c5e3880b4
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SSDEEP
1536:DPAkclJ/RmSn2eDiMXHQyi15YCtjrq/gAhaj18V1:UkclhR/n2eDHwXvYC9e/gAhaj1G
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\{E708D0D7-A8BF-11EE-A0B6-56EE10B1B424} = "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 4412 iexplore.exe 4412 iexplore.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4412 wrote to memory of 1020 4412 iexplore.exe 18 PID 4412 wrote to memory of 1020 4412 iexplore.exe 18 PID 4412 wrote to memory of 1020 4412 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\21d2dc0da58533c6113de0830152eea9.html1⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4412 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4412 CREDAT:17410 /prefetch:22⤵PID:1020
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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\Local\Microsoft\Windows\INetCache\IE\BJCNBC62\platform_gapi.iframes.style.common[1].js
Filesize56KB
MD5f6140cf2e81a9d5b9bc96970fe1946f6
SHA1e18cb20a08d0c13d44b72e36e9560aec2187abce
SHA25668cc8a99c8ed5cc0eb3aa2146fd34bee0051bfd98faa3c03b83c78b4a12a8bd5
SHA5121f61bf7228ae9fc1b36249223f4ca0675da05beaa6c00b28b7fff500e0527ee237d139eaf6793ece67f8730dfff0207bf945a848795aab7c57301433449a8acb
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Filesize
17KB
MD55a34cb996293fde2cb7a4ac89587393a
SHA13c96c993500690d1a77873cd62bc639b3a10653f
SHA256c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
SHA512e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee