7d95f2dbdfffd9227cc5832d6ee21c385a18c43b4155edc3a9fc1d988c63bf78

Analysis

max time kernel
146s
max time network
151s
platform
windows11-21h2_x64
resource
win11-20240802-en
resource tags

arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
submitted
21-08-2024 00:17

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General

Target

Rebel/System.CodeDom.xml
Size

366KB
MD5

91af6294c77371e6773c35cfa7edd068
SHA1

0c24bfafb91ab69a3a7a4bfbd15a9c346341c487
SHA256

92287105a0987fc6ea2404e799da13f2d57b228a1fa3039a6d0cded00d4344c5
SHA512

bdfb5c13ee54b88d029bae6a65f932bcf27b1d71a5c373325b2e7484d21d49745c2f3983da85d50aeb6e31febbf0bfcb3cbe46415bae15877c20d54522b65904
SSDEEP

1536:l2e3vRrYxV4Tm0/Y/LFC9YmXVT2Y3mBhuzRKqn/gCOIFnffP6Ks5ATTglg2PLaAR:lK+c9

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-1-5-21-3007475212-2160282277-2943627620-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\CVListXMLVersionHigh = "268435456"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3007475212-2160282277-2943627620-1000\Software\Microsoft\Internet Explorer\VersionManager\FirstCheckForUpdateLowDateTime = "1298371048"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3007475212-2160282277-2943627620-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3007475212-2160282277-2943627620-1000\Software\Microsoft\Internet Explorer\GPU\DeviceId = "140"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3007475212-2160282277-2943627620-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPMigrationVer = "1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3007475212-2160282277-2943627620-1000\Software\Microsoft\Internet Explorer\GPU\Revision = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3007475212-2160282277-2943627620-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\StaleCompatCache = "1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3007475212-2160282277-2943627620-1000\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-1-5-21-3007475212-2160282277-2943627620-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\StaleCompatCache = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3007475212-2160282277-2943627620-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3007475212-2160282277-2943627620-1000\Software\Microsoft\Internet Explorer\GPU\VendorId = "4318"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3007475212-2160282277-2943627620-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\CVListDomainAttributeSet = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3007475212-2160282277-2943627620-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\IECompatVersionLow = "395196024"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3007475212-2160282277-2943627620-1000\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-1-5-21-3007475212-2160282277-2943627620-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\IECompatVersionHigh = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3007475212-2160282277-2943627620-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\CVListXMLVersionLow = "395196024"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3007475212-2160282277-2943627620-1000\Software\Microsoft\Internet Explorer\VersionManager\FirstCheckForUpdateHighDateTime = "31126424"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3007475212-2160282277-2943627620-1000\Software\Microsoft\Internet Explorer\Main\DisableFirstRunCustomize = "1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3007475212-2160282277-2943627620-1000\Software\Microsoft\Internet Explorer\Main\OperationalData = "8"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3007475212-2160282277-2943627620-1000\Software\Microsoft\Internet Explorer\GPU\SubSysId = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3007475212-2160282277-2943627620-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\IECompatVersionHigh = "268435456"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3007475212-2160282277-2943627620-1000\Software\Microsoft\Internet Explorer\Main\OperationalData = "13"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3007475212-2160282277-2943627620-1000\Software\Microsoft\Internet Explorer\Main\OperationalData = "9"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3007475212-2160282277-2943627620-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\IECompatVersionLow = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3007475212-2160282277-2943627620-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3007475212-2160282277-2943627620-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3007475212-2160282277-2943627620-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3007475212-2160282277-2943627620-1000\Software\Microsoft\Internet Explorer\BrowserEmulation	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3007475212-2160282277-2943627620-1000\Software\Microsoft\Internet Explorer\GPU\SoftwareFallback = "0"	iexplore.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4624 wrote to memory of 2648	4624	MSOXMLED.EXE	81
PID 4624 wrote to memory of 2648	4624	MSOXMLED.EXE	81

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\Rebel\System.CodeDom.xml"
1⤵
- Suspicious use of WriteProcessMemory
PID:4624
- C:\Program Files\Internet Explorer\iexplore.exe
  "C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\Rebel\System.CodeDom.xml
  2⤵
  - Modifies Internet Explorer settings
  PID:2648

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/4624-1-0x00007FFD59043000-0x00007FFD59044000-memory.dmp

Filesize
4KB

Download
memory/4624-0-0x00007FFD19030000-0x00007FFD19040000-memory.dmp

Filesize
64KB

Download
memory/4624-3-0x00007FFD19030000-0x00007FFD19040000-memory.dmp

Filesize
64KB

Download
memory/4624-5-0x00007FFD58FA0000-0x00007FFD591A9000-memory.dmp

Filesize
2.0MB

Download
memory/4624-4-0x00007FFD58FA0000-0x00007FFD591A9000-memory.dmp

Filesize
2.0MB

Download
memory/4624-7-0x00007FFD19030000-0x00007FFD19040000-memory.dmp

Filesize
64KB

Download
memory/4624-6-0x00007FFD19030000-0x00007FFD19040000-memory.dmp

Filesize
64KB

Download
memory/4624-2-0x00007FFD19030000-0x00007FFD19040000-memory.dmp

Filesize
64KB

Download
memory/4624-8-0x00007FFD58FA0000-0x00007FFD591A9000-memory.dmp

Filesize
2.0MB

Download
memory/4624-9-0x00007FFD58FA0000-0x00007FFD591A9000-memory.dmp

Filesize
2.0MB

Download
memory/4624-10-0x00007FFD58FA0000-0x00007FFD591A9000-memory.dmp

Filesize
2.0MB

Download
memory/4624-14-0x00007FFD19030000-0x00007FFD19040000-memory.dmp

Filesize
64KB

Download
memory/4624-11-0x00007FFD58FA0000-0x00007FFD591A9000-memory.dmp

Filesize
2.0MB

Download
memory/4624-15-0x00007FFD19030000-0x00007FFD19040000-memory.dmp

Filesize
64KB

Download
memory/4624-13-0x00007FFD19030000-0x00007FFD19040000-memory.dmp

Filesize
64KB

Download
memory/4624-12-0x00007FFD19030000-0x00007FFD19040000-memory.dmp

Filesize
64KB

Download
memory/4624-16-0x00007FFD58FA0000-0x00007FFD591A9000-memory.dmp

Filesize
2.0MB

Download