1e8d9549c48831fa6cda54485e61338f92ed3d5058222602082d9517c31a83db

Analysis

max time kernel
138s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
11/10/2023, 17:17

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General

Target

c.html
Size

1KB
MD5

de171ce9b77990ea5e7efdcaf672f9b4
SHA1

b7ae6e05eb7665f1fd5488986af7e10c839ae98c
SHA256

4d774295475fcb51ea234f0204b2da457e88efc21712cc443a8648ebf0a748d7
SHA512

f42c63d9a55044a78e10c12b09628e348eb25160be67dfa25089e26e926badf62fb870fc29e153c0aa5e3c2a60a925d5ae2a4aa2be1656e06e1831e326309a8d

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 41 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
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 = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000044e7540fef135e499edf4eab70c71d2f00000000020000000000106600000001000020000000ae27d0faf47da428e9886dc9d8011c6b35ca6c6c602316c5c1e77b4f3fbe2b40000000000e80000000020000200000003ba180bdf0cc13df177233c59e45bfc0db905eddbb45d4d1e7667adbb77b157020000000c165e271d9b536b14c976fdd165e8ef04ac14bcf2426610397683e483adeedaa40000000dc08404c2e8e81fefd6c53ccf18f6416a407af124633e81206549c02f9e9c38ea5b5903403a212b81869e4ddc30421d020a3fb86a5063b7bd41268756af11f0e	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\TabbedBrowsing	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 30eea3f5e2fcd901	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 70208cf5e2fcd901	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	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
Key created	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "4091325516"	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\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 = "4061793763"	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\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	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
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\LastTTLHighDateTime = "50"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31063266"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "403862908"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31063266"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31063266"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000044e7540fef135e499edf4eab70c71d2f0000000002000000000010660000000100002000000027afb1337bc7aa25b616be2bafe9deb8864b0692ba17e6f445ac767053f6d266000000000e80000000020000200000001c9b16afe959dda37e6e8218e7b3c8b43c44e082693b256839a1f77d31aa55ff200000001f4f0297a2bb8537d2b0ac12b0110afb4ce3ba75fe9173b0a3794c61329f4ba240000000b51347de7c01f99542edb15a4b17d6513cdffd09a8ab35bdaf6b9dcbd8f9c641f225edd1e20d3017b4c0669b2f5f39ae83b5c604424ee6d8d9deabe1326dc304	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\GPU	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "4061793763"	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\FileNames\	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 (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\IESettingSync	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\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{1D8A8AFE-68D6-11EE-9D98-4ADCBAA31760} = "0"	iexplore.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4776	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4776	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4776	iexplore.exe
4776	iexplore.exe
3716	IEXPLORE.EXE
3716	IEXPLORE.EXE
3716	IEXPLORE.EXE
3716	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4776 wrote to memory of 3716	4776	iexplore.exe	82
PID 4776 wrote to memory of 3716	4776	iexplore.exe	82
PID 4776 wrote to memory of 3716	4776	iexplore.exe	82

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\c.html
1⤵
- Modifies Internet Explorer settings
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4776
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4776 CREDAT:17410 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:3716

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
6c1f78f77d25daccd90fb3b908335fe3

SHA1
f0a519809524325206a964643fce32eed779195c

SHA256
be2f0ac4fd670d7f9d4885d4729517e81219d6e8dc267fbe184511af5fc26eb9

SHA512
338b9e86622e6e4d4a9c4943cf911c06a2d4fe3ed087a2eab0fcd968d0144b31f0c3a7b84f0c4a358acc6a2eb3eb5e8356c2ffe6c80a19f7be73474084afe656

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

Filesize
404B

MD5
3880ecc613f4ac3545505af0983b2e44

SHA1
d17a8be085e4622630dd7bb35004f05215b5c3c7

SHA256
c4dec8b77443315e9fda8fa28630545ec323ace94092d8bd1c7d2fb7d73dab28

SHA512
b86af19ba025d10f8ee8cd78efaba251d5877d1e2e50720b93a16e39c6e0a438615ce1a3a61c564831723b216ae71cf66a26ebd1ed6b1e2e517fc42d0268888b

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\FXXN8G02\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit