388694e125dcea96561e23667b28fc549b5d6a961f9ab721f23a32ad5f0dc4ee

Analysis

max time kernel
106s
max time network
132s
platform
windows11-21h2_x64
resource
win11-20240221-en
resource tags

arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system
submitted
17-03-2024 17:34

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General

Target

attachment-21.xml
Size

2KB
MD5

e435efd007ec8259f38032bc10be4a51
SHA1

92fa2a320dbf020dcfa3352e026ccee0ebab0b60
SHA256

f4354860f2a961d5befc7120065b1eb00eea2530e9f6f9218d4c97f5a4c02b2b
SHA512

b4d74461d9a8669030e54ce5c65298dcaeb0f241de1b3a69fb33591fe69cfc9fac56cd38a2555b65cee0522a0ebccf6d7a7d470ecdff1d4d2dfb4641a3c5fbd4

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 29 IoCs

adware spyware

Modify Registry

T1112

Processes:

iexplore.exe

description	ioc	process
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\Main\OperationalData = "9"	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\VersionManager\FirstCheckForUpdateHighDateTime = "31094972"	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\BrowserEmulation\StaleCompatCache = "0"	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\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
Key created	\REGISTRY\USER\S-1-5-21-2930051783-2551506282-3430162621-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	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\Main\DisableFirstRunCustomize = "1"	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\OperationalData = "8"	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\StaleCompatCache = "1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2930051783-2551506282-3430162621-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2930051783-2551506282-3430162621-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPMigrationVer = "1"	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\DeviceId = "140"	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\VersionManager\FirstCheckForUpdateLowDateTime = "2621648183"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2930051783-2551506282-3430162621-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\IECompatVersionHigh = "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
Key created	\REGISTRY\USER\S-1-5-21-2930051783-2551506282-3430162621-1000\Software\Microsoft\Internet Explorer\GPU	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\BrowserEmulation\IECompatVersionHigh = "268435456"	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\GPU\SubSysId = "0"	iexplore.exe

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

MSOXMLED.EXE

description	pid	process	target process
PID 3992 wrote to memory of 4216	3992	MSOXMLED.EXE	iexplore.exe
PID 3992 wrote to memory of 4216	3992	MSOXMLED.EXE	iexplore.exe

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\attachment-21.xml"
1⤵
- Suspicious use of WriteProcessMemory
PID:3992

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\attachment-21.xml
2⤵
- Modifies Internet Explorer settings
PID:4216

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/3992-0-0x00007FF80A3F0000-0x00007FF80A400000-memory.dmp

Filesize
64KB

Download
memory/3992-1-0x00007FF80A3F0000-0x00007FF80A400000-memory.dmp

Filesize
64KB

Download
memory/3992-3-0x00007FF84A360000-0x00007FF84A569000-memory.dmp

Filesize
2.0MB

Download
memory/3992-2-0x00007FF80A3F0000-0x00007FF80A400000-memory.dmp

Filesize
64KB

Download
memory/3992-5-0x00007FF84A360000-0x00007FF84A569000-memory.dmp

Filesize
2.0MB

Download
memory/3992-4-0x00007FF80A3F0000-0x00007FF80A400000-memory.dmp

Filesize
64KB

Download
memory/3992-6-0x00007FF80A3F0000-0x00007FF80A400000-memory.dmp

Filesize
64KB

Download
memory/3992-7-0x00007FF84A360000-0x00007FF84A569000-memory.dmp

Filesize
2.0MB

Download
memory/3992-8-0x00007FF84A360000-0x00007FF84A569000-memory.dmp

Filesize
2.0MB

Download
memory/3992-9-0x00007FF84A360000-0x00007FF84A569000-memory.dmp

Filesize
2.0MB

Download
memory/3992-10-0x00007FF84A360000-0x00007FF84A569000-memory.dmp

Filesize
2.0MB

Download
memory/3992-11-0x00007FF84A360000-0x00007FF84A569000-memory.dmp

Filesize
2.0MB

Download
memory/3992-12-0x00007FF84A360000-0x00007FF84A569000-memory.dmp

Filesize
2.0MB

Download
memory/3992-13-0x00007FF80A3F0000-0x00007FF80A400000-memory.dmp

Filesize
64KB

Download
memory/3992-14-0x00007FF80A3F0000-0x00007FF80A400000-memory.dmp

Filesize
64KB

Download
memory/3992-16-0x00007FF84A360000-0x00007FF84A569000-memory.dmp

Filesize
2.0MB

Download
memory/3992-18-0x00007FF84A360000-0x00007FF84A569000-memory.dmp

Filesize
2.0MB

Download
memory/3992-15-0x00007FF80A3F0000-0x00007FF80A400000-memory.dmp

Filesize
64KB

Download
memory/3992-19-0x00007FF84A360000-0x00007FF84A569000-memory.dmp

Filesize
2.0MB

Download
memory/3992-17-0x00007FF80A3F0000-0x00007FF80A400000-memory.dmp

Filesize
64KB

Download
memory/3992-20-0x00007FF84A170000-0x00007FF84A22D000-memory.dmp

Filesize
756KB

Download