493e63fee6fd8194364582a65762fdede3a7445a52d01b96d940576c8233c76c

Analysis

max time kernel
146s
max time network
163s
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/TbConfig_OS2GO.xml
Size

6KB
MD5

4d0bb19cfe9e4104ad635705ac108023
SHA1

0099107daba0719501859d0ff9c5f08e06bf6098
SHA256

c265e0545a178c327efd49ef7c928e3142a19c07bd487ce896d46b294388c7f8
SHA512

8b14ca00cc8f603babe7c8c05fb04d6ce54fb51fb42b8d7f861fac5ca2c071f9d7449193d868f764e3ba1fe4cd3eeef6588a07f5898b7ee836f234ae4e8bb6c5
SSDEEP

48:cbFL2H9kw0ZZZZZZZZZZZZZZZZZZWWUZZZZZZZZZZZZZZZZZZZZZZZZ6ZZZZZZZb:AFyH9kj

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 29 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-647252928-2816094679-1307623958-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\StaleCompatCache = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-647252928-2816094679-1307623958-1000\Software\Microsoft\Internet Explorer\GPU\DeviceId = "140"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-647252928-2816094679-1307623958-1000\Software\Microsoft\Internet Explorer\GPU\SubSysId = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-647252928-2816094679-1307623958-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\CVListDomainAttributeSet = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-647252928-2816094679-1307623958-1000\Software\Microsoft\Internet Explorer\Main\DisableFirstRunCustomize = "1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-647252928-2816094679-1307623958-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\CVListXMLVersionLow = "395196024"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-647252928-2816094679-1307623958-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\IECompatVersionHigh = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-647252928-2816094679-1307623958-1000\Software\Microsoft\Internet Explorer\Main\OperationalData = "13"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-647252928-2816094679-1307623958-1000\Software\Microsoft\Internet Explorer\VersionManager\FirstCheckForUpdateHighDateTime = "31090311"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-647252928-2816094679-1307623958-1000\Software\Microsoft\Internet Explorer\BrowserEmulation	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-647252928-2816094679-1307623958-1000\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-1-5-21-647252928-2816094679-1307623958-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\IECompatVersionLow = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-647252928-2816094679-1307623958-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-647252928-2816094679-1307623958-1000\Software\Microsoft\Internet Explorer\GPU\SoftwareFallback = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-647252928-2816094679-1307623958-1000\Software\Microsoft\Internet Explorer\GPU\Revision = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-647252928-2816094679-1307623958-1000\Software\Microsoft\Internet Explorer\Main\OperationalData = "8"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-647252928-2816094679-1307623958-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\CVListXMLVersionHigh = "268435456"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-647252928-2816094679-1307623958-1000\Software\Microsoft\Internet Explorer\GPU\VendorId = "4318"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-647252928-2816094679-1307623958-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\StaleCompatCache = "1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-647252928-2816094679-1307623958-1000\Software\Microsoft\Internet Explorer\VersionManager\FirstCheckForUpdateLowDateTime = "3355015074"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-647252928-2816094679-1307623958-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-647252928-2816094679-1307623958-1000\Software\Microsoft\Internet Explorer\Protected - It is a violation of Windows Policy to modify. See aka.ms/browserpolicy	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-647252928-2816094679-1307623958-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-647252928-2816094679-1307623958-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPMigrationVer = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-647252928-2816094679-1307623958-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-647252928-2816094679-1307623958-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-647252928-2816094679-1307623958-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\IECompatVersionHigh = "268435456"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-647252928-2816094679-1307623958-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\IECompatVersionLow = "395196024"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-647252928-2816094679-1307623958-1000\Software\Microsoft\Internet Explorer\Main\OperationalData = "9"	iexplore.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 772 wrote to memory of 5096	772	MSOXMLED.EXE	77
PID 772 wrote to memory of 5096	772	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\TbConfig_OS2GO.xml"
1⤵
- Suspicious use of WriteProcessMemory
PID:772
- 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\TbConfig_OS2GO.xml
  2⤵
  - Modifies Internet Explorer settings
  PID:5096

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/772-0-0x00007FFB4C2B0000-0x00007FFB4C2C0000-memory.dmp

Filesize
64KB

Download
memory/772-2-0x00007FFB8C220000-0x00007FFB8C429000-memory.dmp

Filesize
2.0MB

Download
memory/772-3-0x00007FFB4C2B0000-0x00007FFB4C2C0000-memory.dmp

Filesize
64KB

Download
memory/772-1-0x00007FFB4C2B0000-0x00007FFB4C2C0000-memory.dmp

Filesize
64KB

Download
memory/772-4-0x00007FFB4C2B0000-0x00007FFB4C2C0000-memory.dmp

Filesize
64KB

Download
memory/772-6-0x00007FFB8C220000-0x00007FFB8C429000-memory.dmp

Filesize
2.0MB

Download
memory/772-5-0x00007FFB4C2B0000-0x00007FFB4C2C0000-memory.dmp

Filesize
64KB

Download
memory/772-7-0x00007FFB8C220000-0x00007FFB8C429000-memory.dmp

Filesize
2.0MB

Download
memory/772-8-0x00007FFB8C220000-0x00007FFB8C429000-memory.dmp

Filesize
2.0MB

Download
memory/772-9-0x00007FFB8C220000-0x00007FFB8C429000-memory.dmp

Filesize
2.0MB

Download
memory/772-10-0x00007FFB8C220000-0x00007FFB8C429000-memory.dmp

Filesize
2.0MB

Download
memory/772-11-0x00007FFB8C220000-0x00007FFB8C429000-memory.dmp

Filesize
2.0MB

Download
memory/772-12-0x00007FFB8C220000-0x00007FFB8C429000-memory.dmp

Filesize
2.0MB

Download
memory/772-14-0x00007FFB8AF30000-0x00007FFB8AFED000-memory.dmp

Filesize
756KB

Download
memory/772-13-0x00007FFB8C220000-0x00007FFB8C429000-memory.dmp

Filesize
2.0MB

Download
memory/772-17-0x00007FFB4C2B0000-0x00007FFB4C2C0000-memory.dmp

Filesize
64KB

Download
memory/772-16-0x00007FFB8AF30000-0x00007FFB8AFED000-memory.dmp

Filesize
756KB

Download
memory/772-18-0x00007FFB4C2B0000-0x00007FFB4C2C0000-memory.dmp

Filesize
64KB

Download
memory/772-15-0x00007FFB4C2B0000-0x00007FFB4C2C0000-memory.dmp

Filesize
64KB

Download
memory/772-19-0x00007FFB4C2B0000-0x00007FFB4C2C0000-memory.dmp

Filesize
64KB

Download
memory/772-20-0x00007FFB8C220000-0x00007FFB8C429000-memory.dmp

Filesize
2.0MB

Download
memory/772-21-0x00007FFB8C220000-0x00007FFB8C429000-memory.dmp

Filesize
2.0MB

Download
memory/772-22-0x00007FFB8AF30000-0x00007FFB8AFED000-memory.dmp

Filesize
756KB

Download