3de43ae3db6b73cab9c9e0eae4df075e053a86f6a1ded79e175557fab7e0f0d8

Analysis

max time kernel
1380s
max time network
1169s
platform
windows11-21h2_x64
resource
win11-20240508-en
resource tags

arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
submitted
13/05/2024, 19:27

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General

Target

Release/Costura.xml
Size

671B
MD5

fd011713c0a2dbc1d90507a54e9c7b3b
SHA1

edd14b69941c44e8914f23cda1fddf9ee617c5db
SHA256

22026564fc951d60816c6689dd4b1825f07fb3c8c4495041b52056f397468297
SHA512

8b7504f19f0b304d9d513d8138aa92aa6421a26c505f7ec7e9cd39d867d9cbd57ee1063a4b5e770234834d2351a6343537e9898135b4f9f603e43cda4a3f9c93

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-1-5-21-3001105534-2705918504-2956618779-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\IECompatVersionHigh = "268435456"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3001105534-2705918504-2956618779-1000\Software\Microsoft\Internet Explorer\VersionManager\FirstCheckForUpdateLowDateTime = "1978042667"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3001105534-2705918504-2956618779-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3001105534-2705918504-2956618779-1000\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-1-5-21-3001105534-2705918504-2956618779-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPMigrationVer = "1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3001105534-2705918504-2956618779-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\CVListXMLVersionHigh = "268435456"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3001105534-2705918504-2956618779-1000\Software\Microsoft\Internet Explorer\GPU\SoftwareFallback = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3001105534-2705918504-2956618779-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3001105534-2705918504-2956618779-1000\Software\Microsoft\Internet Explorer\Main\OperationalData = "9"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3001105534-2705918504-2956618779-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3001105534-2705918504-2956618779-1000\Software\Microsoft\Internet Explorer\GPU\DeviceId = "140"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3001105534-2705918504-2956618779-1000\Software\Microsoft\Internet Explorer\GPU\Revision = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3001105534-2705918504-2956618779-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\CVListDomainAttributeSet = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3001105534-2705918504-2956618779-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\StaleCompatCache = "1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3001105534-2705918504-2956618779-1000\Software\Microsoft\Internet Explorer\Main\OperationalData = "8"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3001105534-2705918504-2956618779-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\CVListXMLVersionLow = "395196024"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3001105534-2705918504-2956618779-1000\Software\Microsoft\Internet Explorer\VersionManager\FirstCheckForUpdateHighDateTime = "31106424"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3001105534-2705918504-2956618779-1000\Software\Microsoft\Internet Explorer\GPU\SubSysId = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3001105534-2705918504-2956618779-1000\Software\Microsoft\Internet Explorer\Main\OperationalData = "13"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3001105534-2705918504-2956618779-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3001105534-2705918504-2956618779-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3001105534-2705918504-2956618779-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\IECompatVersionHigh = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3001105534-2705918504-2956618779-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\IECompatVersionLow = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3001105534-2705918504-2956618779-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\IECompatVersionLow = "395196024"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3001105534-2705918504-2956618779-1000\Software\Microsoft\Internet Explorer\GPU\VendorId = "4318"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3001105534-2705918504-2956618779-1000\Software\Microsoft\Internet Explorer\BrowserEmulation	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3001105534-2705918504-2956618779-1000\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-1-5-21-3001105534-2705918504-2956618779-1000\Software\Microsoft\Internet Explorer\Main\DisableFirstRunCustomize = "1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3001105534-2705918504-2956618779-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\StaleCompatCache = "0"	iexplore.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 776 wrote to memory of 2752	776	MSOXMLED.EXE	80
PID 776 wrote to memory of 2752	776	MSOXMLED.EXE	80

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\Release\Costura.xml"
1⤵
- Suspicious use of WriteProcessMemory
PID:776
- C:\Program Files\Internet Explorer\iexplore.exe
  "C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\Release\Costura.xml
  2⤵
  - Modifies Internet Explorer settings
  PID:2752

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/776-0-0x00007FFF77E30000-0x00007FFF77E40000-memory.dmp

Filesize
64KB

Download
memory/776-1-0x00007FFF77E30000-0x00007FFF77E40000-memory.dmp

Filesize
64KB

Download
memory/776-3-0x00007FFF77E30000-0x00007FFF77E40000-memory.dmp

Filesize
64KB

Download
memory/776-4-0x00007FFF77E30000-0x00007FFF77E40000-memory.dmp

Filesize
64KB

Download
memory/776-2-0x00007FFF77E30000-0x00007FFF77E40000-memory.dmp

Filesize
64KB

Download
memory/776-5-0x00007FFFB7E43000-0x00007FFFB7E44000-memory.dmp

Filesize
4KB

Download
memory/776-7-0x00007FFFB7DA0000-0x00007FFFB7FA9000-memory.dmp

Filesize
2.0MB

Download
memory/776-6-0x00007FFFB7DA0000-0x00007FFFB7FA9000-memory.dmp

Filesize
2.0MB

Download
memory/776-8-0x00007FFFB7DA0000-0x00007FFFB7FA9000-memory.dmp

Filesize
2.0MB

Download
memory/776-9-0x00007FFFB7DA0000-0x00007FFFB7FA9000-memory.dmp

Filesize
2.0MB

Download
memory/776-10-0x00007FFFB7DA0000-0x00007FFFB7FA9000-memory.dmp

Filesize
2.0MB

Download
memory/776-11-0x00007FFFB7DA0000-0x00007FFFB7FA9000-memory.dmp

Filesize
2.0MB

Download
memory/776-16-0x00007FFFB7DA0000-0x00007FFFB7FA9000-memory.dmp

Filesize
2.0MB

Download
memory/776-17-0x00007FFFB7DA0000-0x00007FFFB7FA9000-memory.dmp

Filesize
2.0MB

Download
memory/776-15-0x00007FFF77E30000-0x00007FFF77E40000-memory.dmp

Filesize
64KB

Download
memory/776-14-0x00007FFF77E30000-0x00007FFF77E40000-memory.dmp

Filesize
64KB

Download
memory/776-13-0x00007FFF77E30000-0x00007FFF77E40000-memory.dmp

Filesize
64KB

Download
memory/776-12-0x00007FFF77E30000-0x00007FFF77E40000-memory.dmp

Filesize
64KB

Download