Analysis
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max time kernel
0s -
max time network
138s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
26-12-2023 00:11
Static task
static1
Behavioral task
behavioral1
Sample
457020241dcbf5ba07d97a5ced19166b.html
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
457020241dcbf5ba07d97a5ced19166b.html
Resource
win10v2004-20231215-en
General
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Target
457020241dcbf5ba07d97a5ced19166b.html
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Size
59KB
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MD5
457020241dcbf5ba07d97a5ced19166b
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SHA1
2ba0aaa88f82465807d3ced922746dc2db6ff540
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SHA256
1a5edd6b16bc356258aa0a594f155a94008097bac8d82ecb7d0ef780d2f77288
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SHA512
3e70c3097dd07503ec36d3b72e2909503acb4f9094319a61f9ffc718d59151a91d92aad971240ba028cf5104f43a339bf574e30e8932bfcce178d56d33c57c0c
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SSDEEP
768:/1LAi1S5y5vipU6IHSO29ms38qJF351r4vHCVPO/dlFDr0BO:/1Lpg81ipU6MexJF3DMvHKPO/dl+O
Malware Config
Signatures
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description ioc Process Key created \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Software\Microsoft\Internet Explorer\GPU IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{CF9DA3EF-A452-11EE-BD28-7AA08ABF42A0} = "0" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\GPU\AdapterInfo = "vendorId=\"0x10de\",deviceID=\"0x8c\",subSysID=\"0x0\",revision=\"0x0\",version=\"10.0.19041.546\"hypervisor=\"No Hypervisor (No SLAT)\"" IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2644 iexplore.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 2644 iexplore.exe 2644 iexplore.exe 1672 IEXPLORE.EXE 1672 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2644 wrote to memory of 1672 2644 iexplore.exe 15 PID 2644 wrote to memory of 1672 2644 iexplore.exe 15 PID 2644 wrote to memory of 1672 2644 iexplore.exe 15
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\457020241dcbf5ba07d97a5ced19166b.html1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2644 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2644 CREDAT:17410 /prefetch:22⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1672
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
4KB
MD51bfe591a4fe3d91b03cdf26eaacd8f89
SHA1719c37c320f518ac168c86723724891950911cea
SHA2569cf94355051bf0f4a45724ca20d1cc02f76371b963ab7d1e38bd8997737b13d8
SHA51202f88da4b610678c31664609bcfa9d61db8d0b0617649981af948f670f41a6207b4ec19fecce7385a24e0c609cbbf3f2b79a8acaf09a03c2c432cc4dce75e9db
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157
Filesize338B
MD5fda9e6e8a202f811ccc7fc52d3a6646a
SHA11a401a589ffb2e36cb3021e6ee28e3a6ae74e40e
SHA25623b495ab60119982822002d070c963e346ed05d9415933667e1b6f796dd6bcfa
SHA5123e229d1ae4ececdefe371606c7057bc679450deab78067482ef85fd3a020fa1f1a03d5a980a33e84cde427e5ecda12a1a31a0ebc955304ed5bb52c446dd81d0c
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Filesize
15KB
MD51a545d0052b581fbb2ab4c52133846bc
SHA162f3266a9b9925cd6d98658b92adec673cbe3dd3
SHA256557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1
SHA512bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d
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Filesize
133KB
MD5288c5ba5b7001fe841c32f690f62cc93
SHA129aba9d8e4f7cbe25fa5e64b9ecbe256e51fc789
SHA256c2f33dc18eae27d4e878bf837dd97f1bde5151e44b0271408535bb93265b8c52
SHA512e375d41344a086d35accfb02bb1f91e2dd383db032af387fc3d6b1230057cc5e432e9b2cdd976e51425b4f587391d42f4d9d857c2e6f11e822a65edcb85f1c9f
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Filesize
17KB
MD55a34cb996293fde2cb7a4ac89587393a
SHA13c96c993500690d1a77873cd62bc639b3a10653f
SHA256c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
SHA512e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee
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C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\UG0DPB4T\platform_gapi.iframes.style.common[1].js
Filesize56KB
MD5f6140cf2e81a9d5b9bc96970fe1946f6
SHA1e18cb20a08d0c13d44b72e36e9560aec2187abce
SHA25668cc8a99c8ed5cc0eb3aa2146fd34bee0051bfd98faa3c03b83c78b4a12a8bd5
SHA5121f61bf7228ae9fc1b36249223f4ca0675da05beaa6c00b28b7fff500e0527ee237d139eaf6793ece67f8730dfff0207bf945a848795aab7c57301433449a8acb