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Analysis
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max time kernel
143s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20230621-en -
resource tags
arch:x64arch:x86image:win10v2004-20230621-enlocale:en-usos:windows10-2004-x64system -
submitted
28/06/2023, 20:23
Static task
static1
Behavioral task
behavioral1
Sample
external.html
Resource
win7-20230621-en
Behavioral task
behavioral2
Sample
external.html
Resource
win10v2004-20230621-en
General
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Target
external.html
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Size
257B
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MD5
4cf691d23d5476231c020b610b20127d
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SHA1
8cb3f37e61864e17ec2c1fde132eb88e65dd2048
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SHA256
c84e0fab3a373b9609c6df20efd3b35c21dd7e6bb5eba81695f753ac43935d25
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SHA512
e5d22c5391185c8d3dda2a248b9450554eccc240aff0f6f6cd9f34ac768e6fe45e05caf70c36d06357342b83a10cbc756ffeb87bdf310937788efc5dce5ba633
Malware Config
Signatures
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description ioc Process Key created \REGISTRY\USER\S-1-5-21-4025927695-1301755775-2607443251-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4025927695-1301755775-2607443251-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4025927695-1301755775-2607443251-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-4025927695-1301755775-2607443251-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-4025927695-1301755775-2607443251-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4025927695-1301755775-2607443251-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4025927695-1301755775-2607443251-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "394748822" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4025927695-1301755775-2607443251-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{BB2768EC-15F1-11EE-9FB7-E67F7ACE7199} = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4025927695-1301755775-2607443251-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-4025927695-1301755775-2607443251-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31042046" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4025927695-1301755775-2607443251-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-4025927695-1301755775-2607443251-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 90177091fea9d901 iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-4025927695-1301755775-2607443251-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4025927695-1301755775-2607443251-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4025927695-1301755775-2607443251-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4025927695-1301755775-2607443251-1000\Software\Microsoft\Internet Explorer\IESettingSync IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-4025927695-1301755775-2607443251-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4025927695-1301755775-2607443251-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31042046" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4025927695-1301755775-2607443251-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4025927695-1301755775-2607443251-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-4025927695-1301755775-2607443251-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4025927695-1301755775-2607443251-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4025927695-1301755775-2607443251-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2410204821" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-4025927695-1301755775-2607443251-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000bbcc4d706d9277469144fa0d79f40dea0000000002000000000010660000000100002000000021ec01aa10ace710095deafea394f3253133e2ee3c886abe90a8b7cc2174652a000000000e80000000020000200000008906cd4cd432e18df23d1cf5d35f261c8972586beab1b27d471a9108a9d3acd0200000001470c6b14706e47a8cfc6f16bbe2d59c3c883bbc386677527494c415afe7d42c400000002e8cbf666d4ff8a13a6e98e917f946a211b83d99dfad175f9f23f6a5427096b3cb03fdb72200a9fca3924c142e8257d415a37d8647d75918295754224c439726 iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-4025927695-1301755775-2607443251-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = d0495891fea9d901 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4025927695-1301755775-2607443251-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4025927695-1301755775-2607443251-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-4025927695-1301755775-2607443251-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4025927695-1301755775-2607443251-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4025927695-1301755775-2607443251-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4025927695-1301755775-2607443251-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31042046" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-4025927695-1301755775-2607443251-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-4025927695-1301755775-2607443251-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000bbcc4d706d9277469144fa0d79f40dea000000000200000000001066000000010000200000003608b04da5a1829b4f9783a313f5d46700d007a1288b64fbec5b311625472255000000000e80000000020000200000009cb3645ab367bc3d1ded92a64d7b3f14e46dd11e616da65f2077c4782ffb42dd200000003d383ca3ba76d2b79b5f9adec3e633547c25b1e8a544d09e22d21984d29b0dd8400000001fdf09a827038b9fb3b351a64dabe92ed0f5611179d73ea6397859b219bad124b7190aa5d979f334961b66e43f619264ecf31cf7b4ad91a30d02494e51a17e04 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4025927695-1301755775-2607443251-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4025927695-1301755775-2607443251-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4025927695-1301755775-2607443251-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2410204821" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4025927695-1301755775-2607443251-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2423331477" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4025927695-1301755775-2607443251-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4025927695-1301755775-2607443251-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 4492 iexplore.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4492 iexplore.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 4492 iexplore.exe 4492 iexplore.exe 808 IEXPLORE.EXE 808 IEXPLORE.EXE 808 IEXPLORE.EXE 808 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4492 wrote to memory of 808 4492 iexplore.exe 83 PID 4492 wrote to memory of 808 4492 iexplore.exe 83 PID 4492 wrote to memory of 808 4492 iexplore.exe 83
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\external.html1⤵
- Modifies Internet Explorer settings
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4492 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4492 CREDAT:17410 /prefetch:22⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:808
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
17KB
MD55a34cb996293fde2cb7a4ac89587393a
SHA13c96c993500690d1a77873cd62bc639b3a10653f
SHA256c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
SHA512e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee