hxxp://40fe9407ae878aead29b017e3644d5b1eedbe199923df10528596a7813a952b7

Analysis

max time kernel
30s
max time network
32s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
02/06/2023, 11:30

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General

Target

http://40fe9407ae878aead29b017e3644d5b1eedbe199923df10528596a7813a952b7

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
5048	3508	WerFault.exe	85

Modifies Internet Explorer settings 1 TTPs 11 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{A7F1B307-0149-11EE-9EF6-6E21A4042E2D} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4212	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4212	iexplore.exe
4212	iexplore.exe
4572	IEXPLORE.EXE
4572	IEXPLORE.EXE
4572	IEXPLORE.EXE
4572	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4212 wrote to memory of 4572	4212	iexplore.exe	84
PID 4212 wrote to memory of 4572	4212	iexplore.exe	84
PID 4212 wrote to memory of 4572	4212	iexplore.exe	84

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" http://40fe9407ae878aead29b017e3644d5b1eedbe199923df10528596a7813a952b7
1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4212
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4212 CREDAT:17410 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:4572

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -pss -s 464 -p 3508 -ip 3508
1⤵
PID:1100

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 3508 -s 1756
1⤵
- Program crash
PID:5048

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Windows 7 deprecation

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