1e1c7387c2735feb16903b1c721b9c3df4b6e5bdd9475a21a0ae244546e4ac25

General

Target

attachment20220806-3374-1rkys2c.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-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Internet Explorer\PhishingFilter	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Internet Explorer\PhishingFilter\ClientSupported_MigrationTime = 404fe26874a9d801	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-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb010000007647cecb75a30445a6fd9fb68eba542700000000020000000000106600000001000020000000b9d621207d6984523c10fc36e254e77cafe4bd75647373a6c056ca414dd85ef4000000000e80000000020000200000001122ddb64c48ec2ca6f02b7da929f199107b94ff3f73f0f94434e80be34e3bea20000000c794a25f44204c60b93777fa49bc8b5e333712f8e70b010be6ad3fba460d0633400000005042f7959ddc1e7ace62ea01aea22aae5f744c4cb8e808ddc32470586c43f765b0eee53234bc904fb2180eea124a123ffebab5fdf0560c809c2a535862fa3988	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = d029907d74a9d801	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 01000000d08c9ddf0115d1118c7a00c04fc297eb010000007647cecb75a30445a6fd9fb68eba542700000000020000000000106600000001000020000000e5dbb5fbb4056b74b8bf0bdec9530d3af81e6e5ec0dc09ee0db5de10c05b274d000000000e80000000020000200000009b4866596b98e06d0a00b360b59150fb5f015a83f493cc58d69f1c2868a333639000000075cb7ebb531fa0756e3c41325c286fa57baf7e9c0268bfbefc9868e050d0aa54ecc8a08f1bc751d24887c1f878d81a3f91e411d0fb0e369f5975ed7093acfbd1a2e810cd883a18884f9f287761f39d48b126cc02c2ce4f4d04d13ab36f995224d93a20ad774906aba23d3882c8edaa3243e94275323f99e987913b7296bb03fa45c483cc422db0f98f04d724727ee8af400000004c2898123901650f58217b82029294e3170795b4eef946d0d1688cdd48400d4ca9df051f23dcdd147476c223d97e157638124839b5a175ad54bea842929aa7e7	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{9ABB62E1-1567-11ED-A206-FA60716779A0} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "366542002"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

1164 iexplore.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

iexplore.exeIEXPLORE.EXE

pid process

1164 iexplore.exe
1164 iexplore.exe
896 IEXPLORE.EXE
896 IEXPLORE.EXE
896 IEXPLORE.EXE
896 IEXPLORE.EXE

pid	process
1164	iexplore.exe

pid	process
1164	iexplore.exe
1164	iexplore.exe
896	IEXPLORE.EXE
896	IEXPLORE.EXE
896	IEXPLORE.EXE
896	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

iexplore.exe

description	pid	process	target process
PID 1164 wrote to memory of 896	1164	iexplore.exe	IEXPLORE.EXE
PID 1164 wrote to memory of 896	1164	iexplore.exe	IEXPLORE.EXE
PID 1164 wrote to memory of 896	1164	iexplore.exe	IEXPLORE.EXE
PID 1164 wrote to memory of 896	1164	iexplore.exe	IEXPLORE.EXE

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\attachment20220806-3374-1rkys2c.html
1⤵
- Modifies Internet Explorer Phishing Filter
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1164

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1164 CREDAT:275457 /prefetch:2
2⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:896

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
c00ccde6fe38a47a072f9f43ca24abdc

SHA1
855bc2da37d7c264241fb4c5e63fbf595747e34b

SHA256
a6ee81ce166791b94657b2c6f26490ba49aae0dcd8d6f718749e24d4387787fe

SHA512
658faa775ea4e44b32c72ae54cac1250f745b5228771527c928b13d544eae0fecd2af6bcc0d01231da8458e94ce110ea16fa95f2501fba7ce251f0263e91ab73

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\92XLJH8V.txt

Filesize
606B

MD5
4b42964a0c2027ab6701a73ca94ac4b5

SHA1
aaf41a04350c22a034a1a9a04bfce25d1f9a96db

SHA256
23d86a179645a7422a2e143ad5b1fea891e8e80c07e0a9e9f74114a4124e50c2

SHA512
6a99ff573d394c7248ecb18b61ecb6320fcd3f0ca51cec8964c0a8ab11588ac9c945b123b120ade2a756ea2401e2fa1b3dde9ae402c296d87750533390c84f4e

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads