fd9559db98211fc18f2e26ccf53ccc8c89086c61a1522d3c5bb8a3aa8f3d080f

Analysis

max time kernel
1483s
max time network
1497s
platform
windows11-21h2_x64
resource
win11-20240426-en
resource tags

arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system
submitted
06/05/2024, 12:34

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General

Target

Manager/BstkGlobal.xml
Size

748B
MD5

9adddd55865dc2c75e2e191c84de5979
SHA1

7fb656d7b9232cf85eb19832b233a572ff94dbb1
SHA256

13a74e7dc8897b6489f66b39e0e4505a4e46a943f3635b5b0c68bbe571b682cf
SHA512

34ceb50c1e184f26f738426e7a126e6c4cf574e6d2349e4c02ca966a4971a27c710aaf4483b5af090303daf00d56aa5aee0a80cab7fb61c4090775e5e0bfe783

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-1-5-21-2994005945-4089876968-1367784197-1000\Software\Microsoft\Internet Explorer\Main\OperationalData = "13"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2994005945-4089876968-1367784197-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\IECompatVersionHigh = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2994005945-4089876968-1367784197-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\CVListXMLVersionHigh = "268435456"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2994005945-4089876968-1367784197-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2994005945-4089876968-1367784197-1000\Software\Microsoft\Internet Explorer\Main\DisableFirstRunCustomize = "1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2994005945-4089876968-1367784197-1000\Software\Microsoft\Internet Explorer\GPU\VendorId = "4318"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2994005945-4089876968-1367784197-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\IECompatVersionHigh = "268435456"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2994005945-4089876968-1367784197-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\IECompatVersionLow = "395196024"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2994005945-4089876968-1367784197-1000\Software\Microsoft\Internet Explorer\BrowserEmulation	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2994005945-4089876968-1367784197-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\IECompatVersionLow = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2994005945-4089876968-1367784197-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\StaleCompatCache = "1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2994005945-4089876968-1367784197-1000\Software\Microsoft\Internet Explorer\Main\OperationalData = "8"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2994005945-4089876968-1367784197-1000\Software\Microsoft\Internet Explorer\GPU\SubSysId = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2994005945-4089876968-1367784197-1000\Software\Microsoft\Internet Explorer\VersionManager\FirstCheckForUpdateLowDateTime = "2939003194"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2994005945-4089876968-1367784197-1000\Software\Microsoft\Internet Explorer\GPU\Revision = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2994005945-4089876968-1367784197-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2994005945-4089876968-1367784197-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2994005945-4089876968-1367784197-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2994005945-4089876968-1367784197-1000\Software\Microsoft\Internet Explorer\GPU\DeviceId = "140"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2994005945-4089876968-1367784197-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2994005945-4089876968-1367784197-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\StaleCompatCache = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2994005945-4089876968-1367784197-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPMigrationVer = "1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2994005945-4089876968-1367784197-1000\Software\Microsoft\Internet Explorer\VersionManager\FirstCheckForUpdateHighDateTime = "31105025"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2994005945-4089876968-1367784197-1000\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-1-5-21-2994005945-4089876968-1367784197-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\CVListDomainAttributeSet = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2994005945-4089876968-1367784197-1000\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-1-5-21-2994005945-4089876968-1367784197-1000\Software\Microsoft\Internet Explorer\Main\OperationalData = "9"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2994005945-4089876968-1367784197-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\CVListXMLVersionLow = "395196024"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2994005945-4089876968-1367784197-1000\Software\Microsoft\Internet Explorer\GPU\SoftwareFallback = "0"	iexplore.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 3704 wrote to memory of 3160	3704	MSOXMLED.EXE	80
PID 3704 wrote to memory of 3160	3704	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\Manager\BstkGlobal.xml"
1⤵
- Suspicious use of WriteProcessMemory
PID:3704
- C:\Program Files\Internet Explorer\iexplore.exe
  "C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\Manager\BstkGlobal.xml
  2⤵
  - Modifies Internet Explorer settings
  PID:3160

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/3704-0-0x00007FFBF51D0000-0x00007FFBF51E0000-memory.dmp

Filesize
64KB

Download
memory/3704-1-0x00007FFC351E3000-0x00007FFC351E4000-memory.dmp

Filesize
4KB

Download
memory/3704-3-0x00007FFBF51D0000-0x00007FFBF51E0000-memory.dmp

Filesize
64KB

Download
memory/3704-4-0x00007FFC35140000-0x00007FFC35349000-memory.dmp

Filesize
2.0MB

Download
memory/3704-6-0x00007FFBF51D0000-0x00007FFBF51E0000-memory.dmp

Filesize
64KB

Download
memory/3704-7-0x00007FFC35140000-0x00007FFC35349000-memory.dmp

Filesize
2.0MB

Download
memory/3704-12-0x00007FFC35140000-0x00007FFC35349000-memory.dmp

Filesize
2.0MB

Download
memory/3704-11-0x00007FFC35140000-0x00007FFC35349000-memory.dmp

Filesize
2.0MB

Download
memory/3704-10-0x00007FFC35140000-0x00007FFC35349000-memory.dmp

Filesize
2.0MB

Download
memory/3704-8-0x00007FFBF51D0000-0x00007FFBF51E0000-memory.dmp

Filesize
64KB

Download
memory/3704-9-0x00007FFC35140000-0x00007FFC35349000-memory.dmp

Filesize
2.0MB

Download
memory/3704-14-0x00007FFC35140000-0x00007FFC35349000-memory.dmp

Filesize
2.0MB

Download
memory/3704-13-0x00007FFC35140000-0x00007FFC35349000-memory.dmp

Filesize
2.0MB

Download
memory/3704-5-0x00007FFC35140000-0x00007FFC35349000-memory.dmp

Filesize
2.0MB

Download
memory/3704-2-0x00007FFBF51D0000-0x00007FFBF51E0000-memory.dmp

Filesize
64KB

Download
memory/3704-18-0x00007FFBF51D0000-0x00007FFBF51E0000-memory.dmp

Filesize
64KB

Download
memory/3704-15-0x00007FFBF51D0000-0x00007FFBF51E0000-memory.dmp

Filesize
64KB

Download
memory/3704-17-0x00007FFBF51D0000-0x00007FFBF51E0000-memory.dmp

Filesize
64KB

Download
memory/3704-16-0x00007FFBF51D0000-0x00007FFBF51E0000-memory.dmp

Filesize
64KB

Download
memory/3704-19-0x00007FFC35140000-0x00007FFC35349000-memory.dmp

Filesize
2.0MB

Download