493e63fee6fd8194364582a65762fdede3a7445a52d01b96d940576c8233c76c

Analysis

max time kernel
88s
max time network
99s
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

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

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

28KB
MD5

37fd55f8efab63059a754e4edf689e1c
SHA1

7a580ef42cec64aadc4f1501208b9f985178366c
SHA256

82dd3ae435a5e23adff312d2f77f1657f5015ef9e91deaab24c8b36fef2ee3d5
SHA512

7b03008ffd048bacc2e50caab5e4c37ceeb5127ee6d97422d9a9d529110f8f7ddde8ba2a016e369312badde165f64b415b705c8686c35d4d13225a58670e34f4
SSDEEP

96:cX4k3m7t1tNxJ7QvU0kTLkftpn+/4+kycL2Bi0Hc/aZySlqlib:cX4gmp1XHjQrA4+kykpb/aZySSib

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-1-5-21-2930051783-2551506282-3430162621-1000\Software\Microsoft\Internet Explorer\VersionManager\FirstCheckForUpdateLowDateTime = "362993663"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2930051783-2551506282-3430162621-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\IECompatVersionHigh = "268435456"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2930051783-2551506282-3430162621-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2930051783-2551506282-3430162621-1000\Software\Microsoft\Internet Explorer\Main\OperationalData = "13"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2930051783-2551506282-3430162621-1000\Software\Microsoft\Internet Explorer\VersionManager\FirstCheckForUpdateHighDateTime = "31090332"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2930051783-2551506282-3430162621-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2930051783-2551506282-3430162621-1000\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-1-5-21-2930051783-2551506282-3430162621-1000\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-1-5-21-2930051783-2551506282-3430162621-1000\Software\Microsoft\Internet Explorer\Main\DisableFirstRunCustomize = "1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2930051783-2551506282-3430162621-1000\Software\Microsoft\Internet Explorer\Main\OperationalData = "9"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2930051783-2551506282-3430162621-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\IECompatVersionHigh = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2930051783-2551506282-3430162621-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2930051783-2551506282-3430162621-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2930051783-2551506282-3430162621-1000\Software\Microsoft\Internet Explorer\GPU\DeviceId = "140"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2930051783-2551506282-3430162621-1000\Software\Microsoft\Internet Explorer\GPU\SubSysId = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2930051783-2551506282-3430162621-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\CVListXMLVersionHigh = "268435456"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2930051783-2551506282-3430162621-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\StaleCompatCache = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2930051783-2551506282-3430162621-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2930051783-2551506282-3430162621-1000\Software\Microsoft\Internet Explorer\Main\OperationalData = "8"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2930051783-2551506282-3430162621-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPMigrationVer = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2930051783-2551506282-3430162621-1000\Software\Microsoft\Internet Explorer\BrowserEmulation	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2930051783-2551506282-3430162621-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\IECompatVersionLow = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2930051783-2551506282-3430162621-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\CVListDomainAttributeSet = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2930051783-2551506282-3430162621-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\IECompatVersionLow = "395196024"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2930051783-2551506282-3430162621-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\CVListXMLVersionLow = "395196024"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2930051783-2551506282-3430162621-1000\Software\Microsoft\Internet Explorer\GPU\SoftwareFallback = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2930051783-2551506282-3430162621-1000\Software\Microsoft\Internet Explorer\GPU\VendorId = "4318"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2930051783-2551506282-3430162621-1000\Software\Microsoft\Internet Explorer\GPU\Revision = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2930051783-2551506282-3430162621-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\StaleCompatCache = "0"	iexplore.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 1964 wrote to memory of 3092	1964	MSOXMLED.EXE	80
PID 1964 wrote to memory of 3092	1964	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\FileExtend_default.xml"
1⤵
- Suspicious use of WriteProcessMemory
PID:1964
- 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\FileExtend_default.xml
  2⤵
  - Modifies Internet Explorer settings
  PID:3092

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

Loading Replay Monitor...

Downloads

memory/1964-0-0x00007FFD458D0000-0x00007FFD458E0000-memory.dmp

Filesize
64KB

Download
memory/1964-2-0x00007FFD458D0000-0x00007FFD458E0000-memory.dmp

Filesize
64KB

Download
memory/1964-3-0x00007FFD458D0000-0x00007FFD458E0000-memory.dmp

Filesize
64KB

Download
memory/1964-1-0x00007FFD458D0000-0x00007FFD458E0000-memory.dmp

Filesize
64KB

Download
memory/1964-4-0x00007FFD458D0000-0x00007FFD458E0000-memory.dmp

Filesize
64KB

Download
memory/1964-5-0x00007FFD85840000-0x00007FFD85A49000-memory.dmp

Filesize
2.0MB

Download
memory/1964-6-0x00007FFD85840000-0x00007FFD85A49000-memory.dmp

Filesize
2.0MB

Download
memory/1964-7-0x00007FFD85840000-0x00007FFD85A49000-memory.dmp

Filesize
2.0MB

Download
memory/1964-8-0x00007FFD85840000-0x00007FFD85A49000-memory.dmp

Filesize
2.0MB

Download
memory/1964-9-0x00007FFD85840000-0x00007FFD85A49000-memory.dmp

Filesize
2.0MB

Download
memory/1964-10-0x00007FFD85840000-0x00007FFD85A49000-memory.dmp

Filesize
2.0MB

Download
memory/1964-11-0x00007FFD85840000-0x00007FFD85A49000-memory.dmp

Filesize
2.0MB

Download
memory/1964-12-0x00007FFD85840000-0x00007FFD85A49000-memory.dmp

Filesize
2.0MB

Download
memory/1964-13-0x00007FFD85840000-0x00007FFD85A49000-memory.dmp

Filesize
2.0MB

Download
memory/1964-15-0x00007FFD85840000-0x00007FFD85A49000-memory.dmp

Filesize
2.0MB

Download
memory/1964-16-0x00007FFD458D0000-0x00007FFD458E0000-memory.dmp

Filesize
64KB

Download
memory/1964-19-0x00007FFD458D0000-0x00007FFD458E0000-memory.dmp

Filesize
64KB

Download
memory/1964-18-0x00007FFD85840000-0x00007FFD85A49000-memory.dmp

Filesize
2.0MB

Download
memory/1964-21-0x00007FFD85840000-0x00007FFD85A49000-memory.dmp

Filesize
2.0MB

Download
memory/1964-20-0x00007FFD838C0000-0x00007FFD8397D000-memory.dmp

Filesize
756KB

Download
memory/1964-17-0x00007FFD458D0000-0x00007FFD458E0000-memory.dmp

Filesize
64KB

Download
memory/1964-14-0x00007FFD458D0000-0x00007FFD458E0000-memory.dmp

Filesize
64KB

Download