86460b785296ba213055a35ca9ae528dec2bba837845e70506549a00c734f1f3

General

Target

LinkedIn Urgent Security Notice.pdf
Size

77KB
MD5

83f88ad1947b1bd2825411cb9f20265c
SHA1

0621e77ade92c00e3168f7f1d0494df109a28263
SHA256

86460b785296ba213055a35ca9ae528dec2bba837845e70506549a00c734f1f3
SHA512

87d2d3032044e3c164bb76b19cf3c26dd477a44a76a7c3d14a20ddbc703172277b5f68a5790b3536985005725ddfaa91e7c30efc870437b39cc984d3b249783c

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 23 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\Main	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\DOMStorage	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\Recovery\PendingRecovery	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	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\GPU	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\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	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\LowRegistry	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\Recovery\AdminActive\{EA8A06E1-3811-11EC-BC2D-CAC5D32618AD} = "0"	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
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\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	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 (str)	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

1716 iexplore.exe
Suspicious use of SetWindowsHookEx 8 IoCs

Processes:

AcroRd32.exeiexplore.exeIEXPLORE.EXE

pid process

268 AcroRd32.exe
268 AcroRd32.exe
268 AcroRd32.exe
268 AcroRd32.exe
1716 iexplore.exe
1716 iexplore.exe
1504 IEXPLORE.EXE
1504 IEXPLORE.EXE

pid	process
1716	iexplore.exe

pid	process
268	AcroRd32.exe
268	AcroRd32.exe
268	AcroRd32.exe
268	AcroRd32.exe
1716	iexplore.exe
1716	iexplore.exe
1504	IEXPLORE.EXE
1504	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

AcroRd32.exeiexplore.exe

description	pid	process	target process
PID 268 wrote to memory of 1716	268	AcroRd32.exe	iexplore.exe
PID 268 wrote to memory of 1716	268	AcroRd32.exe	iexplore.exe
PID 268 wrote to memory of 1716	268	AcroRd32.exe	iexplore.exe
PID 268 wrote to memory of 1716	268	AcroRd32.exe	iexplore.exe
PID 1716 wrote to memory of 1504	1716	iexplore.exe	IEXPLORE.EXE
PID 1716 wrote to memory of 1504	1716	iexplore.exe	IEXPLORE.EXE
PID 1716 wrote to memory of 1504	1716	iexplore.exe	IEXPLORE.EXE
PID 1716 wrote to memory of 1504	1716	iexplore.exe	IEXPLORE.EXE

C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
"C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\LinkedIn Urgent Security Notice.pdf"
1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:268

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" https://s.id/LinkedIn-login
2⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1716

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1716 CREDAT:275457 /prefetch:2
3⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1504

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/268-55-0x0000000075F41000-0x0000000075F43000-memory.dmp

Filesize
8KB

Download
memory/1504-58-0x0000000000000000-mapping.dmp

Download
memory/1716-56-0x0000000000000000-mapping.dmp

Download
memory/1716-57-0x000007FEFB6C1000-0x000007FEFB6C3000-memory.dmp

Filesize
8KB

Download

Analysis

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