493e63fee6fd8194364582a65762fdede3a7445a52d01b96d940576c8233c76c

Analysis

max time kernel
90s
max time network
95s
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/PEtools.xml
Size

12KB
MD5

0d14f3eb891e132eea91e3af15afce7b
SHA1

5db3076a15e4f633528f49dfd22fa9c7de41fd5c
SHA256

a05864295895e1294958d7df60c996575d53c2a7bdacc5bc60bc9ef5e404538c
SHA512

e78a6f2dea7081e8462600d7e33776d0ac9b80d79e1dbfda39fb7e930af2d9e39ab1dadd2236f61ffbc3f3f9e6eb4b977ccd9e7ab52f6f4d9ef85e98149909b5
SSDEEP

192:2O/cRwddpOPcRwNdlQ51IfpEN5eQkaBja5n/30os1V:Wgr5eQkaYl/30os1V

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-1-5-21-4280069375-290121026-380765049-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4280069375-290121026-380765049-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\CVListXMLVersionHigh = "268435456"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4280069375-290121026-380765049-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\CVListDomainAttributeSet = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4280069375-290121026-380765049-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\IECompatVersionHigh = "268435456"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4280069375-290121026-380765049-1000\Software\Microsoft\Internet Explorer\VersionManager\FirstCheckForUpdateLowDateTime = "3948832847"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4280069375-290121026-380765049-1000\Software\Microsoft\Internet Explorer\GPU\SubSysId = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4280069375-290121026-380765049-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4280069375-290121026-380765049-1000\Software\Microsoft\Internet Explorer\Main\OperationalData = "13"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4280069375-290121026-380765049-1000\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-1-5-21-4280069375-290121026-380765049-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPMigrationVer = "1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4280069375-290121026-380765049-1000\Software\Microsoft\Internet Explorer\Main\OperationalData = "9"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4280069375-290121026-380765049-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\IECompatVersionHigh = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4280069375-290121026-380765049-1000\Software\Microsoft\Internet Explorer\GPU\SoftwareFallback = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4280069375-290121026-380765049-1000\Software\Microsoft\Internet Explorer\GPU\VendorId = "4318"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4280069375-290121026-380765049-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4280069375-290121026-380765049-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4280069375-290121026-380765049-1000\Software\Microsoft\Internet Explorer\VersionManager\FirstCheckForUpdateHighDateTime = "31090303"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4280069375-290121026-380765049-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\CVListXMLVersionLow = "395196024"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4280069375-290121026-380765049-1000\Software\Microsoft\Internet Explorer\GPU\DeviceId = "140"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4280069375-290121026-380765049-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\StaleCompatCache = "1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4280069375-290121026-380765049-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\StaleCompatCache = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4280069375-290121026-380765049-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\IECompatVersionLow = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4280069375-290121026-380765049-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4280069375-290121026-380765049-1000\Software\Microsoft\Internet Explorer\GPU\Revision = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4280069375-290121026-380765049-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\IECompatVersionLow = "395196024"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4280069375-290121026-380765049-1000\Software\Microsoft\Internet Explorer\Main\OperationalData = "8"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4280069375-290121026-380765049-1000\Software\Microsoft\Internet Explorer\BrowserEmulation	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4280069375-290121026-380765049-1000\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-1-5-21-4280069375-290121026-380765049-1000\Software\Microsoft\Internet Explorer\Main\DisableFirstRunCustomize = "1"	iexplore.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4092 wrote to memory of 1828	4092	MSOXMLED.EXE	77
PID 4092 wrote to memory of 1828	4092	MSOXMLED.EXE	77

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\PEtools.xml"
1⤵
- Suspicious use of WriteProcessMemory
PID:4092
- 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\PEtools.xml
  2⤵
  - Modifies Internet Explorer settings
  PID:1828

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/4092-0-0x00007FFDE4D50000-0x00007FFDE4D60000-memory.dmp

Filesize
64KB

Download
memory/4092-1-0x00007FFDE4D50000-0x00007FFDE4D60000-memory.dmp

Filesize
64KB

Download
memory/4092-3-0x00007FFE24CC0000-0x00007FFE24EC9000-memory.dmp

Filesize
2.0MB

Download
memory/4092-2-0x00007FFDE4D50000-0x00007FFDE4D60000-memory.dmp

Filesize
64KB

Download
memory/4092-4-0x00007FFE24CC0000-0x00007FFE24EC9000-memory.dmp

Filesize
2.0MB

Download
memory/4092-5-0x00007FFDE4D50000-0x00007FFDE4D60000-memory.dmp

Filesize
64KB

Download
memory/4092-6-0x00007FFDE4D50000-0x00007FFDE4D60000-memory.dmp

Filesize
64KB

Download
memory/4092-7-0x00007FFE24CC0000-0x00007FFE24EC9000-memory.dmp

Filesize
2.0MB

Download
memory/4092-8-0x00007FFE24CC0000-0x00007FFE24EC9000-memory.dmp

Filesize
2.0MB

Download
memory/4092-9-0x00007FFE24CC0000-0x00007FFE24EC9000-memory.dmp

Filesize
2.0MB

Download
memory/4092-10-0x00007FFE24CC0000-0x00007FFE24EC9000-memory.dmp

Filesize
2.0MB

Download
memory/4092-11-0x00007FFE24CC0000-0x00007FFE24EC9000-memory.dmp

Filesize
2.0MB

Download
memory/4092-12-0x00007FFE24CC0000-0x00007FFE24EC9000-memory.dmp

Filesize
2.0MB

Download
memory/4092-13-0x00007FFE24CC0000-0x00007FFE24EC9000-memory.dmp

Filesize
2.0MB

Download
memory/4092-14-0x00007FFE24CC0000-0x00007FFE24EC9000-memory.dmp

Filesize
2.0MB

Download
memory/4092-15-0x00007FFE23D70000-0x00007FFE23E2D000-memory.dmp

Filesize
756KB

Download
memory/4092-18-0x00007FFDE4D50000-0x00007FFDE4D60000-memory.dmp

Filesize
64KB

Download
memory/4092-17-0x00007FFE23D70000-0x00007FFE23E2D000-memory.dmp

Filesize
756KB

Download
memory/4092-16-0x00007FFDE4D50000-0x00007FFDE4D60000-memory.dmp

Filesize
64KB

Download
memory/4092-19-0x00007FFDE4D50000-0x00007FFDE4D60000-memory.dmp

Filesize
64KB

Download
memory/4092-21-0x00007FFE24CC0000-0x00007FFE24EC9000-memory.dmp

Filesize
2.0MB

Download
memory/4092-20-0x00007FFDE4D50000-0x00007FFDE4D60000-memory.dmp

Filesize
64KB

Download
memory/4092-22-0x00007FFE23D70000-0x00007FFE23E2D000-memory.dmp

Filesize
756KB

Download
memory/4092-24-0x00007FFE24CC0000-0x00007FFE24EC9000-memory.dmp

Filesize
2.0MB

Download
memory/4092-23-0x00007FFE24CC0000-0x00007FFE24EC9000-memory.dmp

Filesize
2.0MB

Download