dbcfb647881640224f30152d93b50ca60bdff78a39bba11c87f7204535157465

Analysis

max time kernel
171s
max time network
195s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
14-10-2023 01:56

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General

Target

welcome.html
Size

8KB
MD5

5c02ae7f313b8f9f9a71bd5701706759
SHA1

2eaebac968c821b29de338e79b7a1e397b151d0c
SHA256

bba1212d9e089c6bcc0175090a8481e646ed9ae8277f5f927a6b526b35fd38ca
SHA512

bbfac00601aa49b9a35ca6bad28b3fcc5733b6a648d276009f22fe2e7fb65b8a87f6d71bf606a8429adae09420dc605eabcb3fb04ee45de79ccb151d9e78e1dd
SSDEEP

192:GoDieDzB9K741IhS/isVomwTZRSBGF2GXnN8SGvoySYNumAcHdkhkfO:RH8oVKTZRYG/3BGvoySWumLHdkhkG

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 38 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = c021e77ba7e7d901	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "401528387"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "4260189746"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31063734"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "4260189746"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000e01d3a14bb1f3846b5fc27e9e0ad3560000000000200000000001066000000010000200000004a1147249921017409e2a558de732d1023e962438e904057f418c3812f6776a7000000000e8000000002000020000000e83e2ff0ec6025a5e2fdac8623a99fd85ace7102d35166027a92b9ea22230a5f2000000066513478991a16b48283fd3d4e311e30006d5149660e193b18ea3bdc48d52b1640000000636348759efe185a9bae4ff2e92720f2932b8fa93a303875235a485676a7b44dfd32b4b16aa125bba801f62f50c27304c9ac3090c6b1701a108156f9c933b85a	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000e01d3a14bb1f3846b5fc27e9e0ad35600000000002000000000010660000000100002000000012dfc3f72d0a9604953f509f697298209a4dc15fb31e61665cde04d94d7ae145000000000e8000000002000020000000068d51fd08a1e27e9a2e945cf98fb6f4bdca8f57969db8dead0246a406ea33de2000000088a6d20d7d5c206ec7dbe28464b0491d8f3b535a3a61020835acbcefd234eede40000000ccb3f8fa2546ccb664a43a6ffb24432a32818ecaffcc5e72245aeb29a29a9972d22a91ec66e87d88c5c4d229ffe4ed60ecdfade91731367e2db9c854e0dd5585	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 20c05979a7e7d901	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{EAF84F35-6AA9-11EE-941E-7ED7EF050214} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31063734"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\Software\Microsoft\Internet Explorer\IESettingSync	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\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-1-5-21-919254492-3979293997-764407192-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2612	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2612	iexplore.exe
2612	iexplore.exe
4916	IEXPLORE.EXE
4916	IEXPLORE.EXE
4916	IEXPLORE.EXE
4916	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2612 wrote to memory of 4916	2612	iexplore.exe	86
PID 2612 wrote to memory of 4916	2612	iexplore.exe	86
PID 2612 wrote to memory of 4916	2612	iexplore.exe	86

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\welcome.html
1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2612
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2612 CREDAT:17410 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:4916

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\Local\Microsoft\Windows\INetCache\IE\MRL3SWXH\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

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