8fea2ac1bbde94ecf4354152c27266f2fc5aa3b87edab4f71f62e670d2d01cc5

Analysis

max time kernel
140s
max time network
146s
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, 13:57

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General

Target

73d4ef771f0ff9fa2100284927e64269.html
Size

428B
MD5

73d4ef771f0ff9fa2100284927e64269
SHA1

65eac1518982089f79855ebf6294f62c3ca1668c
SHA256

8fea2ac1bbde94ecf4354152c27266f2fc5aa3b87edab4f71f62e670d2d01cc5
SHA512

1a3ec9183ace2482dc748ecba8e47e4098ff61d56bcd8159f41bd905a31272f738dbd364f7c7d516339d9c83ff5d0c898fc9dedddbfd9febe5038a6682a10069

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 46 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 6018bc752739da01	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb010000005d05a5489e56c74eaa6b39ab0831a11f000000000200000000001066000000010000200000002ead2bbf33123ffb560bd2ccac720d2fefcc3cb9cb2c57c1d5cb892ab94ed7d2000000000e80000000020000200000001b697f9567245f416d8a6a47d78f464774ab4dfaf29038b1fc4bfa6339f0e315200000002e8384a1399443c2478d4b920d301bbc2d9b8edd09a5badd37b89845f75832b1400000006094285511d1b42b45680a04a57329a1c1a0e5e5b48d4a8383489df7666e4d9db5bb42770d48e0ff58b6b2c8f49e4bd224c21530e9996b7d6a13d0a9c4f15db6	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 905ec7712739da01	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31078695"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\Software\Microsoft\Internet Explorer\IESettingSync	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = f02f64712739da01	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31078695"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31078695"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2160421043"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2163702664"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb010000005d05a5489e56c74eaa6b39ab0831a11f00000000020000000000106600000001000020000000776166b7d63734cef0a1685787c8ca2dc9c5009af4afbdf892cded968eeb53b4000000000e800000000200002000000009528e4378d8e9b234ddd5fc0e482d07483f48155d970cb06852bf0014e2d42a2000000089d046dc7e9891fc646c264d921dc9dd59710003c6f85e8b4b2b997ac15d8ca640000000e9839fe93dbc30c6c317302a390b278b15c4ec8f92fbe07573cb2ffc366f3e75faec4eb44ff0e6deae295ab35cecca57e5a9e6c385a856e939dc8c28b675b3cf	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb010000005d05a5489e56c74eaa6b39ab0831a11f00000000020000000000106600000001000020000000088bc281e0fbfc79f2c8b346ba1d659e9b92658dfde3533ddaafc5f4ca455b7c000000000e8000000002000020000000a566c19bb5e42aa2777f7326a38d789acb555361b6075d397dc09f142608cd6b200000005a44d5b2e5c09968bac2375d001c641e0018193c575fff543bad1a615968ddf740000000d783b38a135a05154eb58adeddb2750f86336856a8f2c94ed8aca897c22255a1300a83c8a8139baddd31a9e76408054566a52eb5d86ca77a9e3a62992d329169	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2160421043"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "410489421"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{ABAC541C-A51A-11EE-8184-7672481B3261} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\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 (int)	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31078695"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2163702664"	IEXPLORE.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
640	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
640	iexplore.exe
640	iexplore.exe
3692	IEXPLORE.EXE
3692	IEXPLORE.EXE
3692	IEXPLORE.EXE
3692	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 640 wrote to memory of 3692	640	iexplore.exe	89
PID 640 wrote to memory of 3692	640	iexplore.exe	89
PID 640 wrote to memory of 3692	640	iexplore.exe	89

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\73d4ef771f0ff9fa2100284927e64269.html
1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:640
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:640 CREDAT:17410 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:3692

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\verBE4F.tmp

Filesize
15KB

MD5
1a545d0052b581fbb2ab4c52133846bc

SHA1
62f3266a9b9925cd6d98658b92adec673cbe3dd3

SHA256
557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

SHA512
bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\imagestore\25xleom\imagestore.dat

Filesize
1KB

MD5
490ecdcf144d511736fc79f73b58e5c9

SHA1
9c0eb6f4e80a9c618a00c45ec11e4207a3137929

SHA256
565be75a61cbdc893e7d8c06eff1bd11b0774fe369dc62bce10510e9c5092f40

SHA512
c6091137d2a781fe3e3b04b6138da2aea09f9f52a16d767ad5fade10de9b6db8640630b124c2ae3e85d34da6097176216124f34eadbb417d7ca644f3c4302ef2

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\imagestore\25xleom\imagestore.dat

Filesize
5KB

MD5
f6ed309250cad34d387d500173e243b8

SHA1
011c693c8a865c846f4863edb3f131de39c76c18

SHA256
1ee0e4435d3584b540fdc22c45447902a5efba1b43a41a3453d2a3781175dda0

SHA512
9c3def931f648ff685f1479e6bf9df8609979717b94a14d0ff0aa26c93a167a92664a188dc9e539275ee4453bfb0b132f475ac206d9b5c79f7d2bdcce4add26a

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\7C34XGPV\favicon[1].png

Filesize
3KB

MD5
a75c230f34b9296e6fdd8b0b855df5d8

SHA1
e0b9e32053d44532fb4e8bb55b54c3211965517b

SHA256
8adba20b1dd9747ec8ac6ed5a26a8dfbfc7ab82213d8051b76ac771c76b87920

SHA512
950b94afc397ac760f38f4c68691bda6b541832e1d23f496e36568def2b9f9dcb6984c6a42ff6b5abef0e19b76c37e40baab22e9dcc9360091b609333029b24c

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\Q15AV1NQ\favicon[1].ico

Filesize
1KB

MD5
91abe01116ab422c598e9c8af72cf4da

SHA1
0f2815fe8e067d48537ad168225ab4674271fa27

SHA256
b1d7aef06456fe7431124129a28f0138bb5fccfa4f4161e3087de23c005e5edc

SHA512
a4d5b20c3014153b6b382c43404917bd2cb5bd2a59bb1e981f5a19eb7dbdec185ace288e9700428d24e5ac623e45d04905e706f0c45a1642b1aa6c091213c23c

Download Submit