2c63e762ad58d8532531e374225649be5f1c85454ed50a67b4823797a9609d71

Analysis

max time kernel
134s
max time network
186s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
23-09-2022 11:23

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General

Target

Document.pdf/About/WinCal.xml
Size

1KB
MD5

bede56a7aef6b3db49ab7d2eb3f2870a
SHA1

bc18289b953a8ac6c0c8e519f72e6adee933ff98
SHA256

1fc29fc668043aa03ffeb2d61868d3369479c3cef2c4725d162cf5344dcbdcfa
SHA512

2bde0a5f1983b08379c262f86aadf8635834674981faf7feb3ebc39b12ece95b21203be82fde2fe88f6a662836374a7ac3d6fb8057d5273923259b3af206a3a6

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 21 IoCs

adware spyware

Modify Registry

T1112

Processes:

iexplore.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1606048480"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30986064"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\Recovery\PendingDelete	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\MINIE\TabBandWidth = "500"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingDelete\C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\{94B1B112-3B43-11ED-89AC-CA2A13AD51D0}.dat = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{94B1B110-3B43-11ED-89AC-CA2A13AD51D0} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1606048480"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\MINIE	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "30986064"	iexplore.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

iexplore.exe

pid process

3916 iexplore.exe
3916 iexplore.exe

pid	process
3916	iexplore.exe
3916	iexplore.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

MSOXMLED.EXEiexplore.exe

description	pid	process	target process
PID 100 wrote to memory of 3916	100	MSOXMLED.EXE	iexplore.exe
PID 100 wrote to memory of 3916	100	MSOXMLED.EXE	iexplore.exe
PID 3916 wrote to memory of 3268	3916	iexplore.exe	IEXPLORE.EXE
PID 3916 wrote to memory of 3268	3916	iexplore.exe	IEXPLORE.EXE
PID 3916 wrote to memory of 3268	3916	iexplore.exe	IEXPLORE.EXE

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\Document.pdf\About\WinCal.xml"
1⤵
- Suspicious use of WriteProcessMemory
PID:100

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\Document.pdf\About\WinCal.xml
2⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3916

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3916 CREDAT:17410 /prefetch:2
3⤵
PID:3268

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/100-132-0x00007FFCA2C70000-0x00007FFCA2C80000-memory.dmp

Filesize
64KB

Download
memory/100-133-0x00007FFCA2C70000-0x00007FFCA2C80000-memory.dmp

Filesize
64KB

Download
memory/100-134-0x00007FFCA2C70000-0x00007FFCA2C80000-memory.dmp

Filesize
64KB

Download
memory/100-135-0x00007FFCA2C70000-0x00007FFCA2C80000-memory.dmp

Filesize
64KB

Download
memory/100-136-0x00007FFCA2C70000-0x00007FFCA2C80000-memory.dmp

Filesize
64KB

Download
memory/100-137-0x00007FFCA2C70000-0x00007FFCA2C80000-memory.dmp

Filesize
64KB

Download
memory/100-138-0x00007FFCA2C70000-0x00007FFCA2C80000-memory.dmp

Filesize
64KB

Download
memory/100-139-0x00007FFCA2C70000-0x00007FFCA2C80000-memory.dmp

Filesize
64KB

Download
memory/100-140-0x00007FFCA2C70000-0x00007FFCA2C80000-memory.dmp

Filesize
64KB

Download