b59d43079747f8f280d0f2080cbee060e9fb7d3e0ccdd2882f6f5ffcac350efc

Analysis

max time kernel
139s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
13-10-2023 04:44

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General

Target

howto.html
Size

1KB
MD5

66ed1495a988b3041c43dcb6be845f06
SHA1

71df8f01c5383c0b4ff944c4f658c67f13df019a
SHA256

6ef817130ad84e1ab11b6124f2223ab17277e6942a79f95d62f150bf5dc6faeb
SHA512

167ec0507083e7f0bd1233d5b0079fd0df4ae9d5d7ef698ca78b82a028ecbd4d1b8f4ad1958c7d972dc185c544a577c9a05d8c66c322cfa70d9ab09d7081fbdf

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 41 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (data)	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 7010ea867c01da01	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000044e7540fef135e499edf4eab70c71d2f00000000020000000000106600000001000020000000aec7230b22cb2c6e6c81d11fdb7d5a81fa38e7d1fb24484915d0a8d679d7341e000000000e80000000020000200000004eebfcf68c87970087dfb44b427f37aeefe9d39fa26de700aa2a2daafbe29bb4200000006e748c43f58e2a4bb7d3d6268c3dacd244a6f857c3bf5c7a90e65aacbb58ba854000000074dbcf2100278477ae324160d02af5d10d280d86b12c1f1eda5e77b70ef083f61ecb6f2121bba9b6abcec618f0298ec5b373ff85a8832f631e0c7f473b0449c3	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "404368671"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\Software\Microsoft\Internet Explorer\IESettingSync	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31064444"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31064444"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31064444"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2202244773"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2240526804"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = f01c1c877c01da01	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000044e7540fef135e499edf4eab70c71d2f000000000200000000001066000000010000200000004203d3a3db9cf365059d3b4dd89a4f5528691cd49347c2b365bec347ca11b0e3000000000e80000000020000200000003a84c2efe8783c4bfb27a73faafc401f8015e25f1cb9bff3d75dd86de2438d4820000000569b28dca3e220ca318458457ab775fa74e9e4fd313d6877274ef5aa562c5eba400000008883702830b904f74c92fab5dd7049b3d2e2e2c626b7ba71d2b08efa1548948a7831d7ab54728478c755e00ac458475b460e8d2814e6e953c65621f6171c3021	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{AEA177B0-6D6F-11EE-9D98-C68ECCB5A471} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\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
Key created	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2202244773"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3668	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3668	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3668	iexplore.exe
3668	iexplore.exe
2848	IEXPLORE.EXE
2848	IEXPLORE.EXE
2848	IEXPLORE.EXE
2848	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3668 wrote to memory of 2848	3668	iexplore.exe	81
PID 3668 wrote to memory of 2848	3668	iexplore.exe	81
PID 3668 wrote to memory of 2848	3668	iexplore.exe	81

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\howto.html
1⤵
- Modifies Internet Explorer settings
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3668
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3668 CREDAT:17410 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:2848

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\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Filesize
471B

MD5
2ce4c36a9a2d7c420acdd1691c785511

SHA1
1fe204f8fa4fea3422fe634534b9d85333469ccf

SHA256
e9c130a18c7a4768df37470b9bc5d82a605e683b01770c1e5ce5a9d1eaa3e277

SHA512
bde297fe43830016b41ab9fb2bdf343002355ddf2ccbb0715e703d3d0d5ecc6ac2b83eba016aba416fee5445bc1c2915ae9a392bdd43238cc3c8d6e47c5c95d6

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Filesize
404B

MD5
6364f974bc00889c02dd5ed0e6d6a6cf

SHA1
8fe2faed064e011f543d8c656ee9361f750a88d1

SHA256
dd02a5a32e110b9991516f9f7dd53e97cf3b94dcb5399430da57172c359472eb

SHA512
42a5f0c9afdcd7302712a91806eed6f07550aa8a64605663459e39e5b7c5679ecc3715fadf2971e7ee5934bc5f31eb2132c64913f6dd11e4e1503e479df22c2d

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\FTKK3XKB\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit