388694e125dcea96561e23667b28fc549b5d6a961f9ab721f23a32ad5f0dc4ee

Analysis

max time kernel
90s
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
17-03-2024 17:34

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General

Target

attachment-23.xml
Size

1KB
MD5

c992b33e854e1fdd910083d3ca394295
SHA1

927a1bab24def8548bfa4727c39c8daea8a98e39
SHA256

6a7869bf0d02d418b28f4edc1994485a598a5672d7a46df84ad048e2827856a5
SHA512

ddff7e08fdb6588f7263d6f3fa9c8f082463826712eec352fa8baa44a9b6c8beba5196b5ef69e9a836d2886034d8ae59ef6d442701e8e89827ea2c92c64c5939

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-1-5-21-4181651180-3163410697-3990547336-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4181651180-3163410697-3990547336-1000\Software\Microsoft\Internet Explorer\VersionManager\FirstCheckForUpdateHighDateTime = "31094998"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4181651180-3163410697-3990547336-1000\Software\Microsoft\Internet Explorer\Main\DisableFirstRunCustomize = "1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4181651180-3163410697-3990547336-1000\Software\Microsoft\Internet Explorer\Main\OperationalData = "9"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4181651180-3163410697-3990547336-1000\Software\Microsoft\Internet Explorer\BrowserEmulation	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4181651180-3163410697-3990547336-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\IECompatVersionHigh = "268435456"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4181651180-3163410697-3990547336-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\IECompatVersionLow = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4181651180-3163410697-3990547336-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\CVListXMLVersionHigh = "268435456"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4181651180-3163410697-3990547336-1000\Software\Microsoft\Internet Explorer\VersionManager\FirstCheckForUpdateLowDateTime = "2652979424"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4181651180-3163410697-3990547336-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4181651180-3163410697-3990547336-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4181651180-3163410697-3990547336-1000\Software\Microsoft\Internet Explorer\GPU\Revision = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4181651180-3163410697-3990547336-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\CVListDomainAttributeSet = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4181651180-3163410697-3990547336-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\IECompatVersionLow = "395196024"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4181651180-3163410697-3990547336-1000\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-1-5-21-4181651180-3163410697-3990547336-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\CVListXMLVersionLow = "395196024"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4181651180-3163410697-3990547336-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4181651180-3163410697-3990547336-1000\Software\Microsoft\Internet Explorer\GPU\SubSysId = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4181651180-3163410697-3990547336-1000\Software\Microsoft\Internet Explorer\GPU\DeviceId = "140"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4181651180-3163410697-3990547336-1000\Software\Microsoft\Internet Explorer\Main\OperationalData = "8"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4181651180-3163410697-3990547336-1000\Software\Microsoft\Internet Explorer\GPU\SoftwareFallback = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4181651180-3163410697-3990547336-1000\Software\Microsoft\Internet Explorer\GPU\VendorId = "4318"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4181651180-3163410697-3990547336-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\StaleCompatCache = "1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4181651180-3163410697-3990547336-1000\Software\Microsoft\Internet Explorer\Main\OperationalData = "13"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4181651180-3163410697-3990547336-1000\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-1-5-21-4181651180-3163410697-3990547336-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\StaleCompatCache = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4181651180-3163410697-3990547336-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4181651180-3163410697-3990547336-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPMigrationVer = "1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4181651180-3163410697-3990547336-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\IECompatVersionHigh = "0"	iexplore.exe

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

MSOXMLED.EXE

description	pid	process	target process
PID 4204 wrote to memory of 1824	4204	MSOXMLED.EXE	iexplore.exe
PID 4204 wrote to memory of 1824	4204	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-23.xml"
1⤵
- Suspicious use of WriteProcessMemory
PID:4204

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\attachment-23.xml
2⤵
- Modifies Internet Explorer settings
PID:1824

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/4204-0-0x00007FFA59430000-0x00007FFA59440000-memory.dmp

Filesize
64KB

Download
memory/4204-1-0x00007FFA59430000-0x00007FFA59440000-memory.dmp

Filesize
64KB

Download
memory/4204-2-0x00007FFA59430000-0x00007FFA59440000-memory.dmp

Filesize
64KB

Download
memory/4204-3-0x00007FFA59430000-0x00007FFA59440000-memory.dmp

Filesize
64KB

Download
memory/4204-6-0x00007FFA993A0000-0x00007FFA995A9000-memory.dmp

Filesize
2.0MB

Download
memory/4204-5-0x00007FFA59430000-0x00007FFA59440000-memory.dmp

Filesize
64KB

Download
memory/4204-4-0x00007FFA993A0000-0x00007FFA995A9000-memory.dmp

Filesize
2.0MB

Download
memory/4204-7-0x00007FFA993A0000-0x00007FFA995A9000-memory.dmp

Filesize
2.0MB

Download
memory/4204-8-0x00007FFA993A0000-0x00007FFA995A9000-memory.dmp

Filesize
2.0MB

Download
memory/4204-9-0x00007FFA993A0000-0x00007FFA995A9000-memory.dmp

Filesize
2.0MB

Download
memory/4204-10-0x00007FFA993A0000-0x00007FFA995A9000-memory.dmp

Filesize
2.0MB

Download
memory/4204-11-0x00007FFA993A0000-0x00007FFA995A9000-memory.dmp

Filesize
2.0MB

Download
memory/4204-12-0x00007FFA59430000-0x00007FFA59440000-memory.dmp

Filesize
64KB

Download
memory/4204-13-0x00007FFA59430000-0x00007FFA59440000-memory.dmp

Filesize
64KB

Download
memory/4204-14-0x00007FFA59430000-0x00007FFA59440000-memory.dmp

Filesize
64KB

Download
memory/4204-16-0x00007FFA59430000-0x00007FFA59440000-memory.dmp

Filesize
64KB

Download
memory/4204-18-0x00007FFA993A0000-0x00007FFA995A9000-memory.dmp

Filesize
2.0MB

Download
memory/4204-17-0x00007FFA993A0000-0x00007FFA995A9000-memory.dmp

Filesize
2.0MB

Download
memory/4204-19-0x00007FFA98260000-0x00007FFA9831D000-memory.dmp

Filesize
756KB

Download
memory/4204-15-0x00007FFA993A0000-0x00007FFA995A9000-memory.dmp

Filesize
2.0MB

Download