Analysis
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max time kernel
142s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20231023-en -
resource tags
arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system -
submitted
04-11-2023 18:59
Static task
static1
Behavioral task
behavioral1
Sample
NEAS.f71a1e4deef085531ba8f262a0a5ac60_JC.html
Resource
win7-20231025-en
Behavioral task
behavioral2
Sample
NEAS.f71a1e4deef085531ba8f262a0a5ac60_JC.html
Resource
win10v2004-20231023-en
General
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Target
NEAS.f71a1e4deef085531ba8f262a0a5ac60_JC.html
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Size
1014B
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MD5
f71a1e4deef085531ba8f262a0a5ac60
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SHA1
b0c8990d57aae9e69241a7fd816c71dbfe8f2b2d
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SHA256
4053df60652a390c51e6c670b5c3d510f994eea4ead1ce7975771e450b459185
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SHA512
4f0dffc1e03358da1e03eb40c3398ae95d24f3412f3850766ead5fe426a530d614be97f311368fc87115b228e75a446a6d61acdc550fb3032b5f672c7b769d8e
Malware Config
Signatures
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description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-984744499-3605095035-265325720-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-984744499-3605095035-265325720-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-984744499-3605095035-265325720-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31067985" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-984744499-3605095035-265325720-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Key created \REGISTRY\USER\S-1-5-21-984744499-3605095035-265325720-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-984744499-3605095035-265325720-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31067985" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-984744499-3605095035-265325720-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-984744499-3605095035-265325720-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "405889333" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-984744499-3605095035-265325720-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-984744499-3605095035-265325720-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Key created \REGISTRY\USER\S-1-5-21-984744499-3605095035-265325720-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Key created \REGISTRY\USER\S-1-5-21-984744499-3605095035-265325720-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-984744499-3605095035-265325720-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "363967579" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-984744499-3605095035-265325720-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "377406091" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-984744499-3605095035-265325720-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-984744499-3605095035-265325720-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000abe4f06573e2f04c9485dceedf57e48200000000020000000000106600000001000020000000217d13631c35e8df2be33817433b15b471d7f99f79c08c7311c74b8d82cebd2c000000000e800000000200002000000058187c48abe025f49a3950b82c7a0791400e401d01c6131b8fc43e1c666cd6fa20000000c3802ee0632edcc18a88bb27c4fb36d3c7075b72d1fbd8fe1a5c3878d1a47eb540000000ac27da11124742829fff4fddfc2b0c38ed1559b24be5f6740c94d11deac21009381ce34535f4a1c05629a760eb7da7df1331a16265dc9f4ce4d8e6a87276b41d iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-984744499-3605095035-265325720-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 50f05217510fda01 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-984744499-3605095035-265325720-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-984744499-3605095035-265325720-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{415672FC-7B44-11EE-BEE0-C20FDDC446BA} = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-984744499-3605095035-265325720-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Key created \REGISTRY\USER\S-1-5-21-984744499-3605095035-265325720-1000\Software\Microsoft\Internet Explorer\GPU IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-984744499-3605095035-265325720-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "363967579" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-984744499-3605095035-265325720-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-984744499-3605095035-265325720-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-984744499-3605095035-265325720-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-984744499-3605095035-265325720-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = c02d2317510fda01 iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-984744499-3605095035-265325720-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000abe4f06573e2f04c9485dceedf57e48200000000020000000000106600000001000020000000c3ad73ee7d335e22acf156e170d824baca6c1b5252921e7b67877ad84408751e000000000e80000000020000200000009074768bb67b9553626a49d75da18c6e97596225e4a122c0bcb1db7084c141f520000000e037c79e1e4a2b7944711740bfdff66fb351b22d3c0c578b7e7c0c9d73cddd03400000000cbd7f89f78680c8208d13694795f22f61bf7145837362ccd972656e59ff1784fcca5d2dc0ee40f42dc226257f855b916fb7f98e2825b41c4780acae122a1ef5 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-984744499-3605095035-265325720-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-984744499-3605095035-265325720-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Key created \REGISTRY\USER\S-1-5-21-984744499-3605095035-265325720-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-984744499-3605095035-265325720-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31067985" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-984744499-3605095035-265325720-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-984744499-3605095035-265325720-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-984744499-3605095035-265325720-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-984744499-3605095035-265325720-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-984744499-3605095035-265325720-1000\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 Key created \REGISTRY\USER\S-1-5-21-984744499-3605095035-265325720-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2660 iexplore.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2660 iexplore.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 2660 iexplore.exe 2660 iexplore.exe 1920 IEXPLORE.EXE 1920 IEXPLORE.EXE 1920 IEXPLORE.EXE 1920 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2660 wrote to memory of 1920 2660 iexplore.exe 86 PID 2660 wrote to memory of 1920 2660 iexplore.exe 86 PID 2660 wrote to memory of 1920 2660 iexplore.exe 86
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\NEAS.f71a1e4deef085531ba8f262a0a5ac60_JC.html1⤵
- Modifies Internet Explorer settings
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2660 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2660 CREDAT:17410 /prefetch:22⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1920
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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