d8df18849768df726880d2f0cfada92fdb874d98d325c9b7fd7a3082cb665833

General

Target

d8df18849768df726880d2f0cfada92fdb874d98d325c9b7fd7a3082cb665833.ursnif.dll
Size

215KB
MD5

62b7ea5ab0744916690bfbb5321dd79a
SHA1

0c01a0d3bf8424cdaacee548951245aca3bac0af
SHA256

d8df18849768df726880d2f0cfada92fdb874d98d325c9b7fd7a3082cb665833
SHA512

c0485ef12df823e48a2a90f21f3ce1c2575eab5635321e9c16fb4ceb94a62b9504b16b7ab021afcc95222acf8c86cb37bccf79408d05b9a36c5127f4935f09ec

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 22 IoCs

adware spyware

Modify Registry

T1112

Processes:

iexplore.exeIEXPLORE.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{E0510861-3652-11EB-B37E-EE45CAFA0C11} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

1744 iexplore.exe
Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

iexplore.exeIEXPLORE.EXE

pid process

1744 iexplore.exe
1744 iexplore.exe
860 IEXPLORE.EXE
860 IEXPLORE.EXE

pid	process
1744	iexplore.exe

pid	process
1744	iexplore.exe
1744	iexplore.exe
860	IEXPLORE.EXE
860	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exeiexplore.exe

description	pid	process	target process
PID 1048 wrote to memory of 1996	1048	rundll32.exe	rundll32.exe
PID 1048 wrote to memory of 1996	1048	rundll32.exe	rundll32.exe
PID 1048 wrote to memory of 1996	1048	rundll32.exe	rundll32.exe
PID 1048 wrote to memory of 1996	1048	rundll32.exe	rundll32.exe
PID 1048 wrote to memory of 1996	1048	rundll32.exe	rundll32.exe
PID 1048 wrote to memory of 1996	1048	rundll32.exe	rundll32.exe
PID 1048 wrote to memory of 1996	1048	rundll32.exe	rundll32.exe
PID 1744 wrote to memory of 860	1744	iexplore.exe	IEXPLORE.EXE
PID 1744 wrote to memory of 860	1744	iexplore.exe	IEXPLORE.EXE
PID 1744 wrote to memory of 860	1744	iexplore.exe	IEXPLORE.EXE
PID 1744 wrote to memory of 860	1744	iexplore.exe	IEXPLORE.EXE

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d8df18849768df726880d2f0cfada92fdb874d98d325c9b7fd7a3082cb665833.ursnif.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1048

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d8df18849768df726880d2f0cfada92fdb874d98d325c9b7fd7a3082cb665833.ursnif.dll,#1
2⤵
PID:1996

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1744

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1744 CREDAT:275457 /prefetch:2
2⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:860

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

Replay Monitor

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Downloads

memory/860-4-0x0000000000000000-mapping.dmp

Download
memory/1560-3-0x000007FEF77C0000-0x000007FEF7A3A000-memory.dmp

Filesize
2.5MB

Download
memory/1996-2-0x0000000000000000-mapping.dmp

Download

Analysis

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