1e1c7387c2735feb16903b1c721b9c3df4b6e5bdd9475a21a0ae244546e4ac25

General

Target

attachment20220806-2490-1k6p34n.html
Size

1.1MB
MD5

337e45102a47c376dbe0c96319c1b64d
SHA1

844b820ea60c3611ffef871b05632f8993dd460b
SHA256

1e1c7387c2735feb16903b1c721b9c3df4b6e5bdd9475a21a0ae244546e4ac25
SHA512

2f9a73c397e7eaaba537a9f7bcf343afcc486bc1285f4eb6f6ce9688b826c6cc3abd9d25ccb462c516075b8f9e4bdbe8644b8d5498634cf4b4baec1e09a616bc

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer Phishing Filter 1 TTPs 2 IoCs

Modify Registry

T1112

Processes:

iexplore.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3762437355-3468409815-1164039494-1000\Software\Microsoft\Internet Explorer\PhishingFilter	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3762437355-3468409815-1164039494-1000\Software\Microsoft\Internet Explorer\PhishingFilter\ClientSupported_MigrationTime = c0eedd3f73a9d801	iexplore.exe

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-1-5-21-3762437355-3468409815-1164039494-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3762437355-3468409815-1164039494-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3762437355-3468409815-1164039494-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3762437355-3468409815-1164039494-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3762437355-3468409815-1164039494-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3762437355-3468409815-1164039494-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3762437355-3468409815-1164039494-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3762437355-3468409815-1164039494-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3762437355-3468409815-1164039494-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3762437355-3468409815-1164039494-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3762437355-3468409815-1164039494-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3762437355-3468409815-1164039494-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3762437355-3468409815-1164039494-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb010000005fbcd10b409412459e4a78462851412500000000020000000000106600000001000020000000f6e80cdaf53ee6f9a40b02ed2c9e72b1348b1bbbe404c277ac8716b563ad1e7a000000000e8000000002000020000000cf69dc031d53a1b35b5da430c137614651e7b9e80a7f8c323792da44fc6e18db20000000733df736ee6e116883d3b9fab9d96640470226d58645453cf55ffe2411cd0bca400000000bdaf9177fe2453df46e50a61821612d86a2765d4dced53d72e06cd74138d7047941b6895e66459d06cc1c5185ab214e72d98ab1160786a0ae99da74fd860179	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3762437355-3468409815-1164039494-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3762437355-3468409815-1164039494-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3762437355-3468409815-1164039494-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3762437355-3468409815-1164039494-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3762437355-3468409815-1164039494-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3762437355-3468409815-1164039494-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3762437355-3468409815-1164039494-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3762437355-3468409815-1164039494-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3762437355-3468409815-1164039494-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3762437355-3468409815-1164039494-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3762437355-3468409815-1164039494-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3762437355-3468409815-1164039494-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{7BCBBA71-1566-11ED-9383-765221F1C412} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3762437355-3468409815-1164039494-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3762437355-3468409815-1164039494-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3762437355-3468409815-1164039494-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 308c145673a9d801	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3762437355-3468409815-1164039494-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "366541518"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3762437355-3468409815-1164039494-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3762437355-3468409815-1164039494-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3762437355-3468409815-1164039494-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3762437355-3468409815-1164039494-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3762437355-3468409815-1164039494-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3762437355-3468409815-1164039494-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3762437355-3468409815-1164039494-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

840 iexplore.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

iexplore.exeIEXPLORE.EXE

pid process

840 iexplore.exe
840 iexplore.exe
828 IEXPLORE.EXE
828 IEXPLORE.EXE
828 IEXPLORE.EXE
828 IEXPLORE.EXE

pid	process
840	iexplore.exe

pid	process
840	iexplore.exe
840	iexplore.exe
828	IEXPLORE.EXE
828	IEXPLORE.EXE
828	IEXPLORE.EXE
828	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

iexplore.exe

description	pid	process	target process
PID 840 wrote to memory of 828	840	iexplore.exe	IEXPLORE.EXE
PID 840 wrote to memory of 828	840	iexplore.exe	IEXPLORE.EXE
PID 840 wrote to memory of 828	840	iexplore.exe	IEXPLORE.EXE
PID 840 wrote to memory of 828	840	iexplore.exe	IEXPLORE.EXE

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\attachment20220806-2490-1k6p34n.html
1⤵
- Modifies Internet Explorer Phishing Filter
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:840
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:840 CREDAT:275457 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:828

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
340B

MD5
65bf40c379b8cad7115a73de45f4c9b0

SHA1
b7b0c4e8bb3d1ffe3c6d7ce1e140e82deb1868f9

SHA256
6cb6a85576fa21aab8fcb1f7593890e2f5e54e80f6521a00c82f47d6d494d455

SHA512
aea0586c8ec0e260d75de296ee841c7527c2a0725bb709ad5accf352181b1efdd6478a503abbef0a20dfecf755aa3bbb75c57f935c1a3d284916c744f8502409

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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\00SX1Q2T.txt

Filesize
608B

MD5
36a3038da648cb37e62301c77ed0120d

SHA1
73af9d47535b65820da8d661c01a07b2ad4ff529

SHA256
d9b7acf96f328f09889fdd852fcaff7e18629bc20f3b5764b45fbd6443ee6007

SHA512
935221144822a1c5c4479b9cbb45772596db4a855ae9ae824d9d3a5724a777b4552eaaab7af1c834be8415fb4a866ceffb8f4296ac71c5b264850b443f350a64

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads