hxxp://click[.]classmates[.]com/f/a/SDqSVjqJ_W52ge1eYI9IoQ~~/AASNHgA~/RgRmUA5NP4TOAWh0dHA6Ly93d3cuY2xhc3NtYXRlcy5jb20vZ28veC80MDAwMTYxNTk1NzYyL1BPUzN8Q0JfUFJPRklMRV9OQU1FRF9WSVNJVF9JTUFHRV80X1JEX1NFfEIxLzQ1YmYxMzZmfjQwMDAxNjE1OTU3NjJ-TkFNRURfUFJPRklMRV9WSVNJVC1TSVRFVFJJR0dFUkVELTIwMjIwNEF-MjAyMzA1MjMyMDQ5MzIxMzUvUEc1ODA2L2I4YTY5NzdkZDQ0ZjFlM2M5MjJlYmYyODUxZTJjNzUxP3M9ZW1haWwmQ0FNUD1OQU1FRF9QUk9GSUxFX1ZJU0lUfFNJVEVUUklHR0VSRUR8MjAyMjA0QSZURU1QPVJFU1BPTlNJVkVfTEFZT1VUJlNMT1Q9UE9TM3xDQl9QUk9GSUxFX05BTUVEX1ZJU0lUX0lNQUdFXzRfUkRfU0V8QjEmUFJPRD1Qcm9maWxlX0FjdGl2aXR5JnV0bV9zb3VyY2U9UHJvZmlsZV9BY3Rpdml0eSZ1dG1fbWVkaXVtPWVtYWlsJnV0bV9jYW1wYWlnbj1OQU1FRF9QUk9GSUxFX1ZJU0lUfFNJVEVUUklHR0VSRUR8MjAyMjA0QVcDc3BjQgpkYk2JbWSLafGSUhNqZWZpc2hlckBqZWZjbzIuY29tWAQAAAAA

Analysis

max time kernel
9s
max time network
12s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
25/05/2023, 23:16

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General

Target

http://click.classmates.com/f/a/SDqSVjqJ_W52ge1eYI9IoQ~~/AASNHgA~/RgRmUA5NP4TOAWh0dHA6Ly93d3cuY2xhc3NtYXRlcy5jb20vZ28veC80MDAwMTYxNTk1NzYyL1BPUzN8Q0JfUFJPRklMRV9OQU1FRF9WSVNJVF9JTUFHRV80X1JEX1NFfEIxLzQ1YmYxMzZmfjQwMDAxNjE1OTU3NjJ-TkFNRURfUFJPRklMRV9WSVNJVC1TSVRFVFJJR0dFUkVELTIwMjIwNEF-MjAyMzA1MjMyMDQ5MzIxMzUvUEc1ODA2L2I4YTY5NzdkZDQ0ZjFlM2M5MjJlYmYyODUxZTJjNzUxP3M9ZW1haWwmQ0FNUD1OQU1FRF9QUk9GSUxFX1ZJU0lUfFNJVEVUUklHR0VSRUR8MjAyMjA0QSZURU1QPVJFU1BPTlNJVkVfTEFZT1VUJlNMT1Q9UE9TM3xDQl9QUk9GSUxFX05BTUVEX1ZJU0lUX0lNQUdFXzRfUkRfU0V8QjEmUFJPRD1Qcm9maWxlX0FjdGl2aXR5JnV0bV9zb3VyY2U9UHJvZmlsZV9BY3Rpdml0eSZ1dG1fbWVkaXVtPWVtYWlsJnV0bV9jYW1wYWlnbj1OQU1FRF9QUk9GSUxFX1ZJU0lUfFNJVEVUUklHR0VSRUR8MjAyMjA0QVcDc3BjQgpkYk2JbWSLafGSUhNqZWZpc2hlckBqZWZjbzIuY29tWAQAAAAA

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 11 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{3A1C651D-FB52-11ED-8FFF-4E963766237A} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1816	iexplore.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1816	iexplore.exe
1816	iexplore.exe
4272	IEXPLORE.EXE
4272	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1816 wrote to memory of 4272	1816	iexplore.exe	83
PID 1816 wrote to memory of 4272	1816	iexplore.exe	83
PID 1816 wrote to memory of 4272	1816	iexplore.exe	83

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" http://click.classmates.com/f/a/SDqSVjqJ_W52ge1eYI9IoQ~~/AASNHgA~/RgRmUA5NP4TOAWh0dHA6Ly93d3cuY2xhc3NtYXRlcy5jb20vZ28veC80MDAwMTYxNTk1NzYyL1BPUzN8Q0JfUFJPRklMRV9OQU1FRF9WSVNJVF9JTUFHRV80X1JEX1NFfEIxLzQ1YmYxMzZmfjQwMDAxNjE1OTU3NjJ-TkFNRURfUFJPRklMRV9WSVNJVC1TSVRFVFJJR0dFUkVELTIwMjIwNEF-MjAyMzA1MjMyMDQ5MzIxMzUvUEc1ODA2L2I4YTY5NzdkZDQ0ZjFlM2M5MjJlYmYyODUxZTJjNzUxP3M9ZW1haWwmQ0FNUD1OQU1FRF9QUk9GSUxFX1ZJU0lUfFNJVEVUUklHR0VSRUR8MjAyMjA0QSZURU1QPVJFU1BPTlNJVkVfTEFZT1VUJlNMT1Q9UE9TM3xDQl9QUk9GSUxFX05BTUVEX1ZJU0lUX0lNQUdFXzRfUkRfU0V8QjEmUFJPRD1Qcm9maWxlX0FjdGl2aXR5JnV0bV9zb3VyY2U9UHJvZmlsZV9BY3Rpdml0eSZ1dG1fbWVkaXVtPWVtYWlsJnV0bV9jYW1wYWlnbj1OQU1FRF9QUk9GSUxFX1ZJU0lUfFNJVEVUUklHR0VSRUR8MjAyMjA0QVcDc3BjQgpkYk2JbWSLafGSUhNqZWZpc2hlckBqZWZjbzIuY29tWAQAAAAA
1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1816
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1816 CREDAT:17410 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:4272

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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