fe8b23ef1880acb970ddbb469dbce724ffdc61355440d8d805df8672b1e29a3e

Analysis

max time kernel
118s
max time network
136s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
19-04-2024 20:42

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General

Target

K-MeleonCCFME0.089/chrome/ietab.html
Size

593B
MD5

f8ecf547827acb95cbca5429d773c247
SHA1

445837bc778bcb084f00e5edc0fa3a20dd221125
SHA256

7e8daba2a5d58b0de92f580e1add4e80156279b37f3c4d2718989e6aaa9ba542
SHA512

3249d9bb4c31054eb5e8fe7bb85f0e628a208991717fe429abc88b7be8e5f4fb8912be9c50b38bcedf08efed8f2afa6b7bc39071d5ffa6788b16e1537cc99abc

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 36 IoCs

adware spyware

Modify Registry

T1112

Processes:

iexplore.exeIEXPLORE.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\SearchScopes	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "2"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 30d12d2c9a92da01	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{57B16F11-FE8D-11EE-8178-52C7B7C5B073} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "419721224"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000071c834f68b8ed044a0afda50fbc58a7000000000020000000000106600000001000020000000dc4834504f82e2b804cec230b8897ab186bb9487c07d5d07f753035852e60511000000000e8000000002000020000000337d8bb7839a361ea254402ef58b77c2eb081a77a7c753a6a44aea2b55842431200000008f35a58c3e637404dd5617fcc1b8741a80eddb3270acf1c051f93ce24c2d3da3400000005762a4ebdd8cc8f3b524a7ed3cb14a6e1f28762a5e2decf2ba73c25ad4b07b06f1900c452d7635ca878802012ec94d9cbf9e73b5802e547adb560798e2c35460	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

2784 iexplore.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

iexplore.exeIEXPLORE.EXE

pid process

2784 iexplore.exe
2784 iexplore.exe
2780 IEXPLORE.EXE
2780 IEXPLORE.EXE
2780 IEXPLORE.EXE
2780 IEXPLORE.EXE

pid	process
2784	iexplore.exe

pid	process
2784	iexplore.exe
2784	iexplore.exe
2780	IEXPLORE.EXE
2780	IEXPLORE.EXE
2780	IEXPLORE.EXE
2780	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

iexplore.exe

description	pid	process	target process
PID 2784 wrote to memory of 2780	2784	iexplore.exe	IEXPLORE.EXE
PID 2784 wrote to memory of 2780	2784	iexplore.exe	IEXPLORE.EXE
PID 2784 wrote to memory of 2780	2784	iexplore.exe	IEXPLORE.EXE
PID 2784 wrote to memory of 2780	2784	iexplore.exe	IEXPLORE.EXE

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\K-MeleonCCFME0.089\chrome\ietab.html
1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2784

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2784 CREDAT:275457 /prefetch:2
2⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:2780

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015
Filesize
68KB

MD5
29f65ba8e88c063813cc50a4ea544e93

SHA1
05a7040d5c127e68c25d81cc51271ffb8bef3568

SHA256
1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184

SHA512
e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize
344B

MD5
b797ed78a04556815109d822d6b3f7d5

SHA1
aa7aad6aa54461fa613ea99409f62afa8ea8082c

SHA256
b36d97370e6bdc3e1f1d87f4e10694c33b79932a13b3153d9acc6693edc2e34c

SHA512
ab2f36571305c39382811180ff600519b781c26ac4a49b18641010ea3db2df8c28b1338e64fc0487f78792309589fc8b81815da29918984f7b5e7eb7706ccb39

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize
344B

MD5
e44ac2361633ff24de38883c07049eba

SHA1
0b1a8a9c9a4e7df51f55bf5bede3a9e1833a08d6

SHA256
23c8a0e0eccb40cb587899ecf0c1f0c13955eb5bdc1296d63e0386fd06d5a80b

SHA512
4c4b91dff6c1b431a9e9e7cf1ec4a428ac9895e84f8c7b7631530d3ff679da9cb85b4f47f7fd3cd29a54845670740e428fcb1eec84f781b0f435694c366b51d5

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize
344B

MD5
15ae361846d4916f2c9d68def967961b

SHA1
0a840b3978887824a4e76260b16301ac292a3ea5

SHA256
0b35d80c4b84fb2acd3e78460945ad2ed9caad095528d680fc395ec1f1e91a7f

SHA512
e3a855311373c2c4398d57da37877b570dc88ee68fcb867a57718829e34681a3a5bac6f5c70fc4e88354a4728ea6406e7277f8af96c6cbbf37d40aeeeaaaaea8

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize
344B

MD5
443f2cc61e793f6ddb28f6237baef31b

SHA1
7f9eddb4629cf42161ca40494846ed645c5c526b

SHA256
88d9bfcea656ec8a7f4c69e2f9a660eabf6cecdaab32c7bccef8342e48d7570a

SHA512
495727b1a596540a8a75e737fcbfc96c6b23c13a588abf18c9382cbedf691342ef9254fd3b7c320b94ccd122749d46268dc19957dc961af98fe6cf0f49eb6525

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize
344B

MD5
74664e5000c9ab6493400d12249ee09d

SHA1
e54d235fe0fec987896695159edc0cef7f7e4351

SHA256
269443dac6e5ef757076a1b32972e0bc5b5d55f479f37c5ad470bd261664c820

SHA512
178064a001d47b8af85ebea562022b21430e7ffb711502b715873426fa207badef7e8ae1a05fa24a627c81d94905a2927f9eb1df705759969fcdf94eb6cd755e

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize
344B

MD5
e7de91cb984c103217b2cdc071c2c5cd

SHA1
48b6414f0bb5cadc531c4989f490a888adc29ca0

SHA256
5e86ac078e9341a3674e06cad86fad74b0158018ab46b9e3b51d627f5e90ccf0

SHA512
ce9abd8f8400d9ab3c330e6c3181e01c594e16bfb351d984f4434367baa1ccdcb95365e4f7f2f3b6b614db5d94ebc16cb552b5a3838166d3730649b21cad1f2e

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize
344B

MD5
26bad6238ce457a5d3ac78b28df8dc85

SHA1
f9241c125e452ffe969e40ab7c67e529dfb2e9e7

SHA256
a68c13fdb704d76fca47d8ae127e8987a84c49067b1d5016d57de232eb1aebd6

SHA512
8f6d02efcf9da10b804afdf03cf464a9a3a140c20cb8f3ba8567184e36af3736f49001746b58713e985847a95c924523d45ffebddb4ebaebaea853ed5c6e9f32

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar3D08.tmp
Filesize
177KB

MD5
435a9ac180383f9fa094131b173a2f7b

SHA1
76944ea657a9db94f9a4bef38f88c46ed4166983

SHA256
67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

SHA512
1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

Download Submit