92f4be23fd098350031cbe2f661f90c7377d691eec91808636d415b9741b029a

Analysis

max time kernel
231s
max time network
300s
platform
windows11-21h2_x64
resource
win11-20240214-en
resource tags

arch:x64arch:x86image:win11-20240214-enlocale:en-usos:windows11-21h2-x64system
submitted
21-02-2024 15:31

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General

Target

lib/NitroxServer.dll.xml
Size

1KB
MD5

6c78c2e8b9fbfb36f7a32c5ff3438dfe
SHA1

edb1bc3b68ad55bdaf33aab4ecb2dae212aaf88d
SHA256

cb614c1cfc8669b87de23146f99c4b21df5acf77efb72b9f973009f17e47efe8
SHA512

c7ab31011b884d8a68b596f8ef8c5bce513c9012d985ec84483082c88ebb56445ed0a8bd74a8ea3dd408109313aff3038470f5a6e86c784b2e53b21cb84ca8e7

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-1-5-21-1454216376-3069400526-304058712-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\IECompatVersionHigh = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1454216376-3069400526-304058712-1000\Software\Microsoft\Internet Explorer\GPU\SoftwareFallback = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1454216376-3069400526-304058712-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\StaleCompatCache = "1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1454216376-3069400526-304058712-1000\Software\Microsoft\Internet Explorer\Main\OperationalData = "13"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1454216376-3069400526-304058712-1000\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-1-5-21-1454216376-3069400526-304058712-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\IECompatVersionLow = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1454216376-3069400526-304058712-1000\Software\Microsoft\Internet Explorer\GPU\DeviceId = "140"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1454216376-3069400526-304058712-1000\Software\Microsoft\Internet Explorer\VersionManager\FirstCheckForUpdateHighDateTime = "31089966"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1454216376-3069400526-304058712-1000\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-1-5-21-1454216376-3069400526-304058712-1000\Software\Microsoft\Internet Explorer\Main\OperationalData = "9"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1454216376-3069400526-304058712-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\CVListXMLVersionLow = "395196024"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1454216376-3069400526-304058712-1000\Software\Microsoft\Internet Explorer\GPU\VendorId = "4318"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1454216376-3069400526-304058712-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1454216376-3069400526-304058712-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1454216376-3069400526-304058712-1000\Software\Microsoft\Internet Explorer\Main\OperationalData = "8"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1454216376-3069400526-304058712-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1454216376-3069400526-304058712-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\CVListXMLVersionHigh = "268435456"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1454216376-3069400526-304058712-1000\Software\Microsoft\Internet Explorer\VersionManager\FirstCheckForUpdateLowDateTime = "850377080"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1454216376-3069400526-304058712-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\CVListDomainAttributeSet = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1454216376-3069400526-304058712-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\StaleCompatCache = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1454216376-3069400526-304058712-1000\Software\Microsoft\Internet Explorer\BrowserEmulation	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1454216376-3069400526-304058712-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\IECompatVersionHigh = "268435456"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1454216376-3069400526-304058712-1000\Software\Microsoft\Internet Explorer\Main\DisableFirstRunCustomize = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1454216376-3069400526-304058712-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1454216376-3069400526-304058712-1000\Software\Microsoft\Internet Explorer\GPU\SubSysId = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1454216376-3069400526-304058712-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\IECompatVersionLow = "395196024"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1454216376-3069400526-304058712-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1454216376-3069400526-304058712-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPMigrationVer = "1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1454216376-3069400526-304058712-1000\Software\Microsoft\Internet Explorer\GPU\Revision = "0"	iexplore.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 2352 wrote to memory of 2848	2352	MSOXMLED.EXE	79
PID 2352 wrote to memory of 2848	2352	MSOXMLED.EXE	79

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\lib\NitroxServer.dll.xml"
1⤵
- Suspicious use of WriteProcessMemory
PID:2352
- C:\Program Files\Internet Explorer\iexplore.exe
  "C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\lib\NitroxServer.dll.xml
  2⤵
  - Modifies Internet Explorer settings
  PID:2848

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/2352-0-0x00007FFB437B0000-0x00007FFB437C0000-memory.dmp

Filesize
64KB

Download
memory/2352-1-0x00007FFB83720000-0x00007FFB83929000-memory.dmp

Filesize
2.0MB

Download
memory/2352-2-0x00007FFB437B0000-0x00007FFB437C0000-memory.dmp

Filesize
64KB

Download
memory/2352-3-0x00007FFB83720000-0x00007FFB83929000-memory.dmp

Filesize
2.0MB

Download
memory/2352-5-0x00007FFB83720000-0x00007FFB83929000-memory.dmp

Filesize
2.0MB

Download
memory/2352-4-0x00007FFB437B0000-0x00007FFB437C0000-memory.dmp

Filesize
64KB

Download
memory/2352-7-0x00007FFB83720000-0x00007FFB83929000-memory.dmp

Filesize
2.0MB

Download
memory/2352-8-0x00007FFB83720000-0x00007FFB83929000-memory.dmp

Filesize
2.0MB

Download
memory/2352-9-0x00007FFB437B0000-0x00007FFB437C0000-memory.dmp

Filesize
64KB

Download
memory/2352-6-0x00007FFB437B0000-0x00007FFB437C0000-memory.dmp

Filesize
64KB

Download
memory/2352-10-0x00007FFB83720000-0x00007FFB83929000-memory.dmp

Filesize
2.0MB

Download
memory/2352-11-0x00007FFB83720000-0x00007FFB83929000-memory.dmp

Filesize
2.0MB

Download
memory/2352-12-0x00007FFB83720000-0x00007FFB83929000-memory.dmp

Filesize
2.0MB

Download
memory/2352-13-0x00007FFB83720000-0x00007FFB83929000-memory.dmp

Filesize
2.0MB

Download
memory/2352-14-0x00007FFB83720000-0x00007FFB83929000-memory.dmp

Filesize
2.0MB

Download
memory/2352-15-0x00007FFB821C0000-0x00007FFB8227D000-memory.dmp

Filesize
756KB

Download
memory/2352-16-0x00007FFB83720000-0x00007FFB83929000-memory.dmp

Filesize
2.0MB

Download
memory/2352-17-0x00007FFB437B0000-0x00007FFB437C0000-memory.dmp

Filesize
64KB

Download
memory/2352-19-0x00007FFB821C0000-0x00007FFB8227D000-memory.dmp

Filesize
756KB

Download
memory/2352-18-0x00007FFB437B0000-0x00007FFB437C0000-memory.dmp

Filesize
64KB

Download
memory/2352-21-0x00007FFB821C0000-0x00007FFB8227D000-memory.dmp

Filesize
756KB

Download
memory/2352-23-0x00007FFB83720000-0x00007FFB83929000-memory.dmp

Filesize
2.0MB

Download
memory/2352-22-0x00007FFB437B0000-0x00007FFB437C0000-memory.dmp

Filesize
64KB

Download
memory/2352-20-0x00007FFB437B0000-0x00007FFB437C0000-memory.dmp

Filesize
64KB

Download
memory/2352-24-0x00007FFB83720000-0x00007FFB83929000-memory.dmp

Filesize
2.0MB

Download