493e63fee6fd8194364582a65762fdede3a7445a52d01b96d940576c8233c76c

Analysis

max time kernel
88s
max time network
94s
platform
windows11-21h2_x64
resource
win11-20240221-en
resource tags

arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system
submitted
23-02-2024 11:25

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General

Target

$APPDATA/EaseUSOS2Go4.0/os2go/bin/loginHistory.xml
Size

144B
MD5

6144426eb5fbc0b53788720015cdd934
SHA1

38b4a816d1e992ee31bf9d6cda9fcb1d21f5269b
SHA256

70544b831cadb45b4881c1f872d27f7bfb36ad13ebe10f21ab84b114f6fa740e
SHA512

ec8d4fc85193d0c36831e5f90452cbf667f5004b9587ed234411529381110d0a7c7311e718f2ae479ed17cd02a084639ab60976fc5d31fe972c98e26b1c4981c

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 29 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1637591879-962683004-3585269084-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1637591879-962683004-3585269084-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1637591879-962683004-3585269084-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\IECompatVersionHigh = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1637591879-962683004-3585269084-1000\Software\Microsoft\Internet Explorer\GPU\SoftwareFallback = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1637591879-962683004-3585269084-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\IECompatVersionHigh = "268435456"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1637591879-962683004-3585269084-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\StaleCompatCache = "1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1637591879-962683004-3585269084-1000\Software\Microsoft\Internet Explorer\Main\OperationalData = "13"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1637591879-962683004-3585269084-1000\Software\Microsoft\Internet Explorer\VersionManager\FirstCheckForUpdateLowDateTime = "1427056995"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1637591879-962683004-3585269084-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1637591879-962683004-3585269084-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPMigrationVer = "1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1637591879-962683004-3585269084-1000\Software\Microsoft\Internet Explorer\Main\DisableFirstRunCustomize = "1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1637591879-962683004-3585269084-1000\Software\Microsoft\Internet Explorer\GPU\VendorId = "4318"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1637591879-962683004-3585269084-1000\Software\Microsoft\Internet Explorer\BrowserEmulation	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1637591879-962683004-3585269084-1000\Software\Microsoft\Internet Explorer\GPU\SubSysId = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1637591879-962683004-3585269084-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\IECompatVersionLow = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1637591879-962683004-3585269084-1000\Software\Microsoft\Internet Explorer\GPU\DeviceId = "140"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1637591879-962683004-3585269084-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\CVListDomainAttributeSet = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1637591879-962683004-3585269084-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\IECompatVersionLow = "395196024"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1637591879-962683004-3585269084-1000\Software\Microsoft\Internet Explorer\Protected - It is a violation of Windows Policy to modify. See aka.ms/browserpolicy\HomepagesUpgradeVersion = "1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1637591879-962683004-3585269084-1000\Software\Microsoft\Internet Explorer\Main\OperationalData = "9"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1637591879-962683004-3585269084-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1637591879-962683004-3585269084-1000\Software\Microsoft\Internet Explorer\VersionManager\FirstCheckForUpdateHighDateTime = "31090317"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1637591879-962683004-3585269084-1000\Software\Microsoft\Internet Explorer\Protected - It is a violation of Windows Policy to modify. See aka.ms/browserpolicy	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1637591879-962683004-3585269084-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\StaleCompatCache = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1637591879-962683004-3585269084-1000\Software\Microsoft\Internet Explorer\GPU\Revision = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1637591879-962683004-3585269084-1000\Software\Microsoft\Internet Explorer\Main\OperationalData = "8"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1637591879-962683004-3585269084-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\CVListXMLVersionLow = "395196024"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1637591879-962683004-3585269084-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\CVListXMLVersionHigh = "268435456"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1637591879-962683004-3585269084-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4148 wrote to memory of 228	4148	MSOXMLED.EXE	80
PID 4148 wrote to memory of 228	4148	MSOXMLED.EXE	80

C:\Program Files\Microsoft Office\Root\VFS\ProgramFilesCommonX64\Microsoft Shared\Office16\MSOXMLED.EXE
"C:\Program Files\Microsoft Office\Root\VFS\ProgramFilesCommonX64\Microsoft Shared\Office16\MSOXMLED.EXE" /verb open "C:\Users\Admin\AppData\Local\Temp\$APPDATA\EaseUSOS2Go4.0\os2go\bin\loginHistory.xml"
1⤵
- Suspicious use of WriteProcessMemory
PID:4148
- C:\Program Files\Internet Explorer\iexplore.exe
  "C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\$APPDATA\EaseUSOS2Go4.0\os2go\bin\loginHistory.xml
  2⤵
  - Modifies Internet Explorer settings
  PID:228

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

memory/4148-0-0x00007FF810EF0000-0x00007FF810F00000-memory.dmp

Filesize
64KB

Download
memory/4148-1-0x00007FF810EF0000-0x00007FF810F00000-memory.dmp

Filesize
64KB

Download
memory/4148-2-0x00007FF850E60000-0x00007FF851069000-memory.dmp

Filesize
2.0MB

Download
memory/4148-4-0x00007FF850E60000-0x00007FF851069000-memory.dmp

Filesize
2.0MB

Download
memory/4148-3-0x00007FF810EF0000-0x00007FF810F00000-memory.dmp

Filesize
64KB

Download
memory/4148-5-0x00007FF810EF0000-0x00007FF810F00000-memory.dmp

Filesize
64KB

Download
memory/4148-6-0x00007FF810EF0000-0x00007FF810F00000-memory.dmp

Filesize
64KB

Download
memory/4148-7-0x00007FF850E60000-0x00007FF851069000-memory.dmp

Filesize
2.0MB

Download
memory/4148-8-0x00007FF850E60000-0x00007FF851069000-memory.dmp

Filesize
2.0MB

Download
memory/4148-9-0x00007FF850E60000-0x00007FF851069000-memory.dmp

Filesize
2.0MB

Download
memory/4148-10-0x00007FF850E60000-0x00007FF851069000-memory.dmp

Filesize
2.0MB

Download
memory/4148-11-0x00007FF850E60000-0x00007FF851069000-memory.dmp

Filesize
2.0MB

Download
memory/4148-12-0x00007FF850E60000-0x00007FF851069000-memory.dmp

Filesize
2.0MB

Download
memory/4148-13-0x00007FF850E60000-0x00007FF851069000-memory.dmp

Filesize
2.0MB

Download
memory/4148-14-0x00007FF850E60000-0x00007FF851069000-memory.dmp

Filesize
2.0MB

Download
memory/4148-16-0x00007FF850E60000-0x00007FF851069000-memory.dmp

Filesize
2.0MB

Download
memory/4148-15-0x00007FF810EF0000-0x00007FF810F00000-memory.dmp

Filesize
64KB

Download
memory/4148-17-0x00007FF810EF0000-0x00007FF810F00000-memory.dmp

Filesize
64KB

Download
memory/4148-19-0x00007FF84F3A0000-0x00007FF84F45D000-memory.dmp

Filesize
756KB

Download
memory/4148-21-0x00007FF810EF0000-0x00007FF810F00000-memory.dmp

Filesize
64KB

Download
memory/4148-20-0x00007FF84F3A0000-0x00007FF84F45D000-memory.dmp

Filesize
756KB

Download
memory/4148-22-0x00007FF850E60000-0x00007FF851069000-memory.dmp

Filesize
2.0MB

Download
memory/4148-18-0x00007FF810EF0000-0x00007FF810F00000-memory.dmp

Filesize
64KB

Download