f88f943bad1783edb45c8ed3d03eb1edcf7f7e2e72f8aede24386aa9f3cb06b1

Analysis

max time kernel
91s
max time network
143s
platform
windows11-21h2_x64
resource
win11-20240221-en
resource tags

arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system
submitted
29/02/2024, 05:06

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General

Target

Arc.xml
Size

1KB
MD5

40f3b70079776526e28c077b85f64e16
SHA1

f3bb2be7442928912c1776790e2abf1726331e6a
SHA256

f88f943bad1783edb45c8ed3d03eb1edcf7f7e2e72f8aede24386aa9f3cb06b1
SHA512

9f13f27069f3bf6bbc5cb7700d15d3383381a2061caf8d6026418ec4a689c99bc4e8160e575ea99047e3daa75f0f7615e2e00e595069ac027e9ca6a147c724e0

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 29 IoCs

adware spyware

Modify Registry

T1112

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\BrowserEmulation\CVListXMLVersionLow = "395196024"	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\BrowserEmulation\StaleCompatCache = "0"	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\CVListDomainAttributeSet = "0"	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 = "395196024"	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\VersionManager\FirstCheckForUpdateLowDateTime = "2824391172"	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\TabbedBrowsing\NTPMigrationVer = "1"	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\GPU\SubSysId = "0"	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\VersionManager\FirstCheckForUpdateHighDateTime = "31091477"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4181651180-3163410697-3990547336-1000\Software\Microsoft\Internet Explorer\Main\OperationalData = "9"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4181651180-3163410697-3990547336-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\IECompatVersionHigh = "0"	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\DeviceId = "140"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4181651180-3163410697-3990547336-1000\Software\Microsoft\Internet Explorer\GPU\Revision = "0"	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\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
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\Main\DisableFirstRunCustomize = "1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4181651180-3163410697-3990547336-1000\Software\Microsoft\Internet Explorer\Main\OperationalData = "8"	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\GPU\VendorId = "4318"	iexplore.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4181651180-3163410697-3990547336-1000_Classes\Local Settings\MuiCache	MiniSearchHost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4968	MiniSearchHost.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 2268 wrote to memory of 1836	2268	MSOXMLED.EXE	78
PID 2268 wrote to memory of 1836	2268	MSOXMLED.EXE	78

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\Arc.xml"
1⤵
- Suspicious use of WriteProcessMemory
PID:2268
- C:\Program Files\Internet Explorer\iexplore.exe
  "C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\Arc.xml
  2⤵
  - Modifies Internet Explorer settings
  PID:1836

C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe
"C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe" -ServerName:MiniSearchUI.AppXj3y73at8fy1htwztzxs68sxx1v7cksp7.mca
1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:4968

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:3888

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

C:\Users\Admin\AppData\Local\Packages\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\TempState\SearchHoverUnifiedTileModelCache.dat

Filesize
10KB

MD5
82678367fa4297a26727ccc84e0b2f60

SHA1
0c65ab90390566f7d2f5b4751b9027f6bac1d22a

SHA256
fbf7356b28e05edc871dda40b318b147e6d07ece028da3d67c3cfbd30bfa0f29

SHA512
e5474444eecac25a06fe26a22dce9aa9311740dca264de1c824a36a7bc55216f301e934667fe0b9c3c7b062694f8a37e45ecce6b3889cb33bb47ecb9bd198db5

Download Submit
memory/2268-10-0x00007FFD6FDE0000-0x00007FFD6FFE9000-memory.dmp

Filesize
2.0MB

Download
memory/2268-12-0x00007FFD6FDE0000-0x00007FFD6FFE9000-memory.dmp

Filesize
2.0MB

Download
memory/2268-5-0x00007FFD6FDE0000-0x00007FFD6FFE9000-memory.dmp

Filesize
2.0MB

Download
memory/2268-3-0x00007FFD6FDE0000-0x00007FFD6FFE9000-memory.dmp

Filesize
2.0MB

Download
memory/2268-4-0x00007FFD2FE70000-0x00007FFD2FE80000-memory.dmp

Filesize
64KB

Download
memory/2268-6-0x00007FFD2FE70000-0x00007FFD2FE80000-memory.dmp

Filesize
64KB

Download
memory/2268-7-0x00007FFD6FDE0000-0x00007FFD6FFE9000-memory.dmp

Filesize
2.0MB

Download
memory/2268-8-0x00007FFD6FDE0000-0x00007FFD6FFE9000-memory.dmp

Filesize
2.0MB

Download
memory/2268-9-0x00007FFD6FDE0000-0x00007FFD6FFE9000-memory.dmp

Filesize
2.0MB

Download
memory/2268-0-0x00007FFD2FE70000-0x00007FFD2FE80000-memory.dmp

Filesize
64KB

Download
memory/2268-2-0x00007FFD2FE70000-0x00007FFD2FE80000-memory.dmp

Filesize
64KB

Download
memory/2268-14-0x00007FFD6FDE0000-0x00007FFD6FFE9000-memory.dmp

Filesize
2.0MB

Download
memory/2268-11-0x00007FFD6FDE0000-0x00007FFD6FFE9000-memory.dmp

Filesize
2.0MB

Download
memory/2268-15-0x00007FFD2FE70000-0x00007FFD2FE80000-memory.dmp

Filesize
64KB

Download
memory/2268-16-0x00007FFD2FE70000-0x00007FFD2FE80000-memory.dmp

Filesize
64KB

Download
memory/2268-17-0x00007FFD6E900000-0x00007FFD6E9BD000-memory.dmp

Filesize
756KB

Download
memory/2268-19-0x00007FFD6E900000-0x00007FFD6E9BD000-memory.dmp

Filesize
756KB

Download
memory/2268-18-0x00007FFD2FE70000-0x00007FFD2FE80000-memory.dmp

Filesize
64KB

Download
memory/2268-20-0x00007FFD6FDE0000-0x00007FFD6FFE9000-memory.dmp

Filesize
2.0MB

Download
memory/2268-13-0x00007FFD2FE70000-0x00007FFD2FE80000-memory.dmp

Filesize
64KB

Download
memory/2268-1-0x00007FFD2FE70000-0x00007FFD2FE80000-memory.dmp

Filesize
64KB

Download