e391e654148aad7f190628b45ff2bb6ace08966f0f661650ddba0f623b75d926

Analysis

max time kernel
139s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20230824-en
resource tags

arch:x64arch:x86image:win10v2004-20230824-enlocale:en-usos:windows10-2004-x64system
submitted
29-08-2023 20:04

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General

Target

SecureMessageAtt.html
Size

47KB
MD5

3cf5bc373f5ae6bd449dce9f1483d1f8
SHA1

0769bd3e88c51593b50f39d8d0adf8e36f68822c
SHA256

e391e654148aad7f190628b45ff2bb6ace08966f0f661650ddba0f623b75d926
SHA512

4fff08352544dff8890cf2a813af010b2ca856988ba403a6f5192c23cce187c26beb519f61dea8b8bee1be3fe70b326889483c12f3b4fc5742f75ec124cc9795
SSDEEP

768:CfywcQmpnrTAqC8Ol4KyzI3HZjvtaGaYj8xfTbFSKa5lmK8L6+A9i972Y:CfywipnTOl4TI3uMoc/5cKKtAZY

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 41 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-642304425-1816607141-2958861556-1000\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
Set value (int)	\REGISTRY\USER\S-1-5-21-642304425-1816607141-2958861556-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "458437334"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-642304425-1816607141-2958861556-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-642304425-1816607141-2958861556-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-642304425-1816607141-2958861556-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-642304425-1816607141-2958861556-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-642304425-1816607141-2958861556-1000\Software\Microsoft\Internet Explorer\IESettingSync	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-642304425-1816607141-2958861556-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-642304425-1816607141-2958861556-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31054516"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-642304425-1816607141-2958861556-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-642304425-1816607141-2958861556-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-642304425-1816607141-2958861556-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-642304425-1816607141-2958861556-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-642304425-1816607141-2958861556-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-642304425-1816607141-2958861556-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-642304425-1816607141-2958861556-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-642304425-1816607141-2958861556-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31054516"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-642304425-1816607141-2958861556-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31054516"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-642304425-1816607141-2958861556-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 804c802ab4dad901	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-642304425-1816607141-2958861556-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-642304425-1816607141-2958861556-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-642304425-1816607141-2958861556-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-642304425-1816607141-2958861556-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-642304425-1816607141-2958861556-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "458437334"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-642304425-1816607141-2958861556-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-642304425-1816607141-2958861556-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000035bca1fda3dd0a4bb84e31f373208d9700000000020000000000106600000001000020000000ffc28d6e2eae584f6f61c3365df8d515cdf66b6404dc82f093d9109e7e9c2046000000000e8000000002000020000000f1dc34d577237d7b76b4cd570961529ce68b972a968b5572d17f883fbcb4457720000000651c8616f02c19f8c79c42dcec69f2caadf5350e9802ce35823e7726dab054bd400000003b59b6057b34c9e1ad992d67aa8bae6fba6415ec846d888e57b77c870f556830ead69c72617a9b36c66484af7cca39a8705d5ef0bae2fbd47694c352b7dd7582	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-642304425-1816607141-2958861556-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-642304425-1816607141-2958861556-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{46B10DFB-46A7-11EE-877E-C66C6DEEE670} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-642304425-1816607141-2958861556-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-642304425-1816607141-2958861556-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "534219305"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-642304425-1816607141-2958861556-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-642304425-1816607141-2958861556-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-642304425-1816607141-2958861556-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-642304425-1816607141-2958861556-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000035bca1fda3dd0a4bb84e31f373208d9700000000020000000000106600000001000020000000f07e13f5c5cb0ccbf8a4a363da9e540ab904b8bdd56f84d3fb68d3e1d3c0437f000000000e8000000002000020000000b0958d1e8f873f91825684762099aeca58010b07476fba79e4fafcddf8bec72920000000c86c108d9f81b8a9d10b193c2ad7de16a0689c5661a22ee7e1d1916e8314d93640000000d84153459a8f0837f01995677fbbfaaeb5ab564d93a9315ea7e689d05b2c8a5c20f092fb7f39360e1a2ef651a5f56522b13578237ff009e84cd53b1afcdb7559	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-642304425-1816607141-2958861556-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "400104457"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-642304425-1816607141-2958861556-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-642304425-1816607141-2958861556-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-642304425-1816607141-2958861556-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-642304425-1816607141-2958861556-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-642304425-1816607141-2958861556-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = d0c3632ab4dad901	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-642304425-1816607141-2958861556-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3404	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3404	iexplore.exe
3404	iexplore.exe
760	IEXPLORE.EXE
760	IEXPLORE.EXE
760	IEXPLORE.EXE
760	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3404 wrote to memory of 760	3404	iexplore.exe	85
PID 3404 wrote to memory of 760	3404	iexplore.exe	85
PID 3404 wrote to memory of 760	3404	iexplore.exe	85

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\SecureMessageAtt.html
1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3404
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3404 CREDAT:17410 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:760

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\Internet Explorer\imagestore\js71l92\imagestore.dat

Filesize
1KB

MD5
e2bac49e9bf5e43e015d4beb8da650dd

SHA1
2ffc64ebcf390dc652183a478e8f621159c4306e

SHA256
99714554f3c96f0ecd92891abea42ec2afa5b46adafe4c4fdb54225eea4511f7

SHA512
3a22b0775c56b583c4c1ba38b1cd26dafc5042ee85787985ef4c7fde4d83f6ba73840b4df74123f85c01de31ee4ed715c0511483d3c37832c8154a5993154c7e

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\AEAPT34I\favicon[1].ico

Filesize
1KB

MD5
a05a05dcd6158cc4f8701173734f484a

SHA1
feef99dc27e3db5bf07a255b8ee509cccacff245

SHA256
ca9a42575d5ad76a2915ed24034a512413392423bc5ec029b4605aee7edf5d46

SHA512
635e76cbf85bc1e9af0168a9b87d2085cbc68bedeb07116df062c2aaea0f105d37378e37d881a8aed91ea3c0dfaf700bd6cd628620c5dceea6626eb3547e902c

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\E8UKABFF\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit