7dcdd092a7280c64d8ae7ed5aed8e635190051a63fda39ba0cd27624b73c90d7

Analysis

max time kernel
36s
max time network
21s
platform
windows7_x64
resource
win7-en-20211014
submitted
01-11-2021 20:30

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General

Target

wsusoffline/xslt/extract-existing-bundle-revision-ids.xsl.xml
Size

846B
MD5

a16b9d7ddf91f1e497165179bf4186b0
SHA1

b945188db6208aad90794cca7362928401a95029
SHA256

15494eaf028c9a4a01b29ef6331569eb7c72234b03604e412d0a7c9ff4529374
SHA512

4f6a8124616007dd7448b12b741b082137335ce4205d7ee25fd10c6f547a610054c09cae2512dd753edd130b3973247af21b8857a5beefa20e53c8b78973fc3f

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 25 IoCs

adware spyware

Modify Registry

T1112

Processes:

IEXPLORE.EXEIEXPLORE.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Internet Explorer\PageSetup	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Internet Explorer\Zoom	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{8377E651-3B5A-11EC-B27B-F61BE780DB17} = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Internet Explorer\IntelliForms	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Internet Explorer\LowRegistry	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Internet Explorer\InternetRegistry	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Internet Explorer\Toolbar	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

IEXPLORE.EXE

pid process

1920 IEXPLORE.EXE
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

IEXPLORE.EXEIEXPLORE.EXE

pid process

1920 IEXPLORE.EXE
1920 IEXPLORE.EXE
808 IEXPLORE.EXE
808 IEXPLORE.EXE
808 IEXPLORE.EXE
808 IEXPLORE.EXE

pid	process
1920	IEXPLORE.EXE

pid	process
1920	IEXPLORE.EXE
1920	IEXPLORE.EXE
808	IEXPLORE.EXE
808	IEXPLORE.EXE
808	IEXPLORE.EXE
808	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

MSOXMLED.EXEiexplore.exeIEXPLORE.EXE

description	pid	process	target process
PID 760 wrote to memory of 920	760	MSOXMLED.EXE	iexplore.exe
PID 760 wrote to memory of 920	760	MSOXMLED.EXE	iexplore.exe
PID 760 wrote to memory of 920	760	MSOXMLED.EXE	iexplore.exe
PID 760 wrote to memory of 920	760	MSOXMLED.EXE	iexplore.exe
PID 920 wrote to memory of 1920	920	iexplore.exe	IEXPLORE.EXE
PID 920 wrote to memory of 1920	920	iexplore.exe	IEXPLORE.EXE
PID 920 wrote to memory of 1920	920	iexplore.exe	IEXPLORE.EXE
PID 920 wrote to memory of 1920	920	iexplore.exe	IEXPLORE.EXE
PID 1920 wrote to memory of 808	1920	IEXPLORE.EXE	IEXPLORE.EXE
PID 1920 wrote to memory of 808	1920	IEXPLORE.EXE	IEXPLORE.EXE
PID 1920 wrote to memory of 808	1920	IEXPLORE.EXE	IEXPLORE.EXE
PID 1920 wrote to memory of 808	1920	IEXPLORE.EXE	IEXPLORE.EXE

C:\Program Files (x86)\Common Files\Microsoft Shared\OFFICE14\MSOXMLED.EXE
"C:\Program Files (x86)\Common Files\Microsoft Shared\OFFICE14\MSOXMLED.EXE" /verb open "C:\Users\Admin\AppData\Local\Temp\wsusoffline\xslt\extract-existing-bundle-revision-ids.xsl.xml"
1⤵
- Suspicious use of WriteProcessMemory
PID:760

C:\Program Files (x86)\Internet Explorer\iexplore.exe
"C:\Program Files (x86)\Internet Explorer\iexplore.exe" -nohome
2⤵
- Suspicious use of WriteProcessMemory
PID:920

C:\Program Files\Internet Explorer\IEXPLORE.EXE
"C:\Program Files\Internet Explorer\IEXPLORE.EXE" -nohome
3⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1920

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1920 CREDAT:275457 /prefetch:2
4⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:808

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/760-55-0x0000000075B71000-0x0000000075B73000-memory.dmp

Filesize
8KB

Download
memory/808-60-0x0000000000000000-mapping.dmp

Download
memory/920-56-0x0000000000000000-mapping.dmp

Download
memory/1920-57-0x0000000000000000-mapping.dmp

Download
memory/1920-58-0x000007FEFC441000-0x000007FEFC443000-memory.dmp

Filesize
8KB

Download
memory/1920-59-0x00000000006B0000-0x00000000006C0000-memory.dmp

Filesize
64KB

Download