6fb7ad54048b9523aa5e4c2f9da82c108fbcb3a5e3cb7376e2668b30768c1785

Analysis

max time kernel
89s
max time network
94s
platform
windows11-21h2_x64
resource
win11-20240426-en
resource tags

arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system
submitted
24-05-2024 19:57

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General

Target

SafeExamBrowser-3.3.2/Safe Exam Browser.app/Contents/Info.xml
Size

4KB
MD5

450b225b3bf44ad35a449702c68476a1
SHA1

841d4377310bfc4e5309cba9784eb4197d151f34
SHA256

640fb495ba065bcd8f0d91de6b1cd285e761d242046b5b844d5dcf6fc00ed9eb
SHA512

e61947565c69a43d015c40ea22f5b2f6a8639f7fa77987642656665670f03356b7d7654efce57b54a42fe3059c12d048587128dd16122e3886be044db2e648c0
SSDEEP

96:CyKQxBYGAIDj27cH130gIdxi+WjkS1/O7STOApZTQpXSQfdtjX:XEGAyB8xi5CPX

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
Set value (int)	\REGISTRY\USER\S-1-5-21-1696768468-2170909707-4198977321-1000\Software\Microsoft\Internet Explorer\Main\OperationalData = "13"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1696768468-2170909707-4198977321-1000\Software\Microsoft\Internet Explorer\GPU\SoftwareFallback = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1696768468-2170909707-4198977321-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\IECompatVersionHigh = "268435456"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1696768468-2170909707-4198977321-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1696768468-2170909707-4198977321-1000\Software\Microsoft\Internet Explorer\Main\OperationalData = "9"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1696768468-2170909707-4198977321-1000\Software\Microsoft\Internet Explorer\GPU\DeviceId = "140"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1696768468-2170909707-4198977321-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1696768468-2170909707-4198977321-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\CVListXMLVersionLow = "395196024"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1696768468-2170909707-4198977321-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1696768468-2170909707-4198977321-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1696768468-2170909707-4198977321-1000\Software\Microsoft\Internet Explorer\BrowserEmulation	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1696768468-2170909707-4198977321-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\IECompatVersionHigh = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1696768468-2170909707-4198977321-1000\Software\Microsoft\Internet Explorer\GPU\VendorId = "4318"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1696768468-2170909707-4198977321-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\IECompatVersionLow = "395196024"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1696768468-2170909707-4198977321-1000\Software\Microsoft\Internet Explorer\VersionManager\FirstCheckForUpdateLowDateTime = "20555013"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1696768468-2170909707-4198977321-1000\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-1-5-21-1696768468-2170909707-4198977321-1000\Software\Microsoft\Internet Explorer\Main\DisableFirstRunCustomize = "1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1696768468-2170909707-4198977321-1000\Software\Microsoft\Internet Explorer\Main\OperationalData = "8"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1696768468-2170909707-4198977321-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\IECompatVersionLow = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1696768468-2170909707-4198977321-1000\Software\Microsoft\Internet Explorer\VersionManager\FirstCheckForUpdateHighDateTime = "31108640"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1696768468-2170909707-4198977321-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\StaleCompatCache = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1696768468-2170909707-4198977321-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPMigrationVer = "1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1696768468-2170909707-4198977321-1000\Software\Microsoft\Internet Explorer\GPU\Revision = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1696768468-2170909707-4198977321-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\CVListDomainAttributeSet = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1696768468-2170909707-4198977321-1000\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-1-5-21-1696768468-2170909707-4198977321-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1696768468-2170909707-4198977321-1000\Software\Microsoft\Internet Explorer\GPU\SubSysId = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1696768468-2170909707-4198977321-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\StaleCompatCache = "1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1696768468-2170909707-4198977321-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\CVListXMLVersionHigh = "268435456"	iexplore.exe

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

MSOXMLED.EXE

description	pid	process	target process
PID 3096 wrote to memory of 404	3096	MSOXMLED.EXE	iexplore.exe
PID 3096 wrote to memory of 404	3096	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\SafeExamBrowser-3.3.2\Safe Exam Browser.app\Contents\Info.xml"
1⤵
- Suspicious use of WriteProcessMemory
PID:3096

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\SafeExamBrowser-3.3.2\Safe Exam Browser.app\Contents\Info.xml
2⤵
- Modifies Internet Explorer settings
PID:404

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/3096-0-0x00007FFBDA1F0000-0x00007FFBDA200000-memory.dmp

Filesize
64KB

Download
memory/3096-1-0x00007FFBDA1F0000-0x00007FFBDA200000-memory.dmp

Filesize
64KB

Download
memory/3096-2-0x00007FFBDA1F0000-0x00007FFBDA200000-memory.dmp

Filesize
64KB

Download
memory/3096-4-0x00007FFC1A203000-0x00007FFC1A204000-memory.dmp

Filesize
4KB

Download
memory/3096-3-0x00007FFBDA1F0000-0x00007FFBDA200000-memory.dmp

Filesize
64KB

Download
memory/3096-5-0x00007FFBDA1F0000-0x00007FFBDA200000-memory.dmp

Filesize
64KB

Download
memory/3096-6-0x00007FFC1A160000-0x00007FFC1A369000-memory.dmp

Filesize
2.0MB

Download
memory/3096-8-0x00007FFC1A160000-0x00007FFC1A369000-memory.dmp

Filesize
2.0MB

Download
memory/3096-7-0x00007FFC1A160000-0x00007FFC1A369000-memory.dmp

Filesize
2.0MB

Download
memory/3096-9-0x00007FFC1A160000-0x00007FFC1A369000-memory.dmp

Filesize
2.0MB

Download
memory/3096-10-0x00007FFC1A160000-0x00007FFC1A369000-memory.dmp

Filesize
2.0MB

Download
memory/3096-11-0x00007FFC1A160000-0x00007FFC1A369000-memory.dmp

Filesize
2.0MB

Download
memory/3096-12-0x00007FFC1A160000-0x00007FFC1A369000-memory.dmp

Filesize
2.0MB

Download
memory/3096-13-0x00007FFC1A160000-0x00007FFC1A369000-memory.dmp

Filesize
2.0MB

Download
memory/3096-14-0x00007FFC1A160000-0x00007FFC1A369000-memory.dmp

Filesize
2.0MB

Download
memory/3096-18-0x00007FFBDA1F0000-0x00007FFBDA200000-memory.dmp

Filesize
64KB

Download
memory/3096-17-0x00007FFBDA1F0000-0x00007FFBDA200000-memory.dmp

Filesize
64KB

Download
memory/3096-19-0x00007FFC1A160000-0x00007FFC1A369000-memory.dmp

Filesize
2.0MB

Download
memory/3096-16-0x00007FFBDA1F0000-0x00007FFBDA200000-memory.dmp

Filesize
64KB

Download
memory/3096-15-0x00007FFBDA1F0000-0x00007FFBDA200000-memory.dmp

Filesize
64KB

Download