hxxps://www[.]catalog[.]update[.]microsoft[.]com/

General

Target

https://www.catalog.update.microsoft.com/

Score

1^/10

Malware Config

Signatures

Checks processor information in registry 2 TTPs 5 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

firefox.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	firefox.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Update Signature	firefox.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Update Revision	firefox.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~Mhz	firefox.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	firefox.exe

Modifies registry class 1 IoCs

Processes:

firefox.exe

description ioc process

Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings firefox.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings	firefox.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

firefox.exe

description	pid	process
Token: SeDebugPrivilege	2068	firefox.exe
Token: SeDebugPrivilege	2068	firefox.exe
Token: SeDebugPrivilege	2068	firefox.exe
Token: SeDebugPrivilege	2068	firefox.exe

Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

firefox.exe

pid process

2068 firefox.exe
2068 firefox.exe
2068 firefox.exe
2068 firefox.exe
Suspicious use of SendNotifyMessage 3 IoCs

Processes:

firefox.exe

pid process

2068 firefox.exe
2068 firefox.exe
2068 firefox.exe

Suspicious use of SetWindowsHookEx 25 IoCs

Processes:

firefox.exe

pid	process
2068	firefox.exe
2068	firefox.exe
2068	firefox.exe
2068	firefox.exe
2068	firefox.exe
2068	firefox.exe
2068	firefox.exe
2068	firefox.exe
2068	firefox.exe
2068	firefox.exe
2068	firefox.exe
2068	firefox.exe
2068	firefox.exe
2068	firefox.exe
2068	firefox.exe
2068	firefox.exe
2068	firefox.exe
2068	firefox.exe
2068	firefox.exe
2068	firefox.exe
2068	firefox.exe
2068	firefox.exe
2068	firefox.exe
2068	firefox.exe
2068	firefox.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

firefox.exefirefox.exe

description	pid	process	target process
PID 3912 wrote to memory of 2068	3912	firefox.exe	firefox.exe
PID 3912 wrote to memory of 2068	3912	firefox.exe	firefox.exe
PID 3912 wrote to memory of 2068	3912	firefox.exe	firefox.exe
PID 3912 wrote to memory of 2068	3912	firefox.exe	firefox.exe
PID 3912 wrote to memory of 2068	3912	firefox.exe	firefox.exe
PID 3912 wrote to memory of 2068	3912	firefox.exe	firefox.exe
PID 3912 wrote to memory of 2068	3912	firefox.exe	firefox.exe
PID 3912 wrote to memory of 2068	3912	firefox.exe	firefox.exe
PID 3912 wrote to memory of 2068	3912	firefox.exe	firefox.exe
PID 2068 wrote to memory of 1092	2068	firefox.exe	firefox.exe
PID 2068 wrote to memory of 1092	2068	firefox.exe	firefox.exe
PID 2068 wrote to memory of 3204	2068	firefox.exe	firefox.exe
PID 2068 wrote to memory of 3204	2068	firefox.exe	firefox.exe
PID 2068 wrote to memory of 3204	2068	firefox.exe	firefox.exe
PID 2068 wrote to memory of 3204	2068	firefox.exe	firefox.exe
PID 2068 wrote to memory of 3204	2068	firefox.exe	firefox.exe
PID 2068 wrote to memory of 3204	2068	firefox.exe	firefox.exe
PID 2068 wrote to memory of 3204	2068	firefox.exe	firefox.exe
PID 2068 wrote to memory of 3204	2068	firefox.exe	firefox.exe
PID 2068 wrote to memory of 3204	2068	firefox.exe	firefox.exe
PID 2068 wrote to memory of 3204	2068	firefox.exe	firefox.exe
PID 2068 wrote to memory of 3204	2068	firefox.exe	firefox.exe
PID 2068 wrote to memory of 3204	2068	firefox.exe	firefox.exe
PID 2068 wrote to memory of 3204	2068	firefox.exe	firefox.exe
PID 2068 wrote to memory of 3204	2068	firefox.exe	firefox.exe
PID 2068 wrote to memory of 3204	2068	firefox.exe	firefox.exe
PID 2068 wrote to memory of 3204	2068	firefox.exe	firefox.exe
PID 2068 wrote to memory of 3204	2068	firefox.exe	firefox.exe
PID 2068 wrote to memory of 3204	2068	firefox.exe	firefox.exe
PID 2068 wrote to memory of 3204	2068	firefox.exe	firefox.exe
PID 2068 wrote to memory of 3204	2068	firefox.exe	firefox.exe
PID 2068 wrote to memory of 3204	2068	firefox.exe	firefox.exe
PID 2068 wrote to memory of 3204	2068	firefox.exe	firefox.exe
PID 2068 wrote to memory of 3204	2068	firefox.exe	firefox.exe
PID 2068 wrote to memory of 3204	2068	firefox.exe	firefox.exe
PID 2068 wrote to memory of 3204	2068	firefox.exe	firefox.exe
PID 2068 wrote to memory of 3204	2068	firefox.exe	firefox.exe
PID 2068 wrote to memory of 3204	2068	firefox.exe	firefox.exe
PID 2068 wrote to memory of 3204	2068	firefox.exe	firefox.exe
PID 2068 wrote to memory of 3204	2068	firefox.exe	firefox.exe
PID 2068 wrote to memory of 3204	2068	firefox.exe	firefox.exe
PID 2068 wrote to memory of 3204	2068	firefox.exe	firefox.exe
PID 2068 wrote to memory of 3204	2068	firefox.exe	firefox.exe
PID 2068 wrote to memory of 3204	2068	firefox.exe	firefox.exe
PID 2068 wrote to memory of 3204	2068	firefox.exe	firefox.exe
PID 2068 wrote to memory of 3204	2068	firefox.exe	firefox.exe
PID 2068 wrote to memory of 3204	2068	firefox.exe	firefox.exe
PID 2068 wrote to memory of 3204	2068	firefox.exe	firefox.exe
PID 2068 wrote to memory of 3204	2068	firefox.exe	firefox.exe
PID 2068 wrote to memory of 3204	2068	firefox.exe	firefox.exe
PID 2068 wrote to memory of 3204	2068	firefox.exe	firefox.exe
PID 2068 wrote to memory of 3204	2068	firefox.exe	firefox.exe
PID 2068 wrote to memory of 3204	2068	firefox.exe	firefox.exe
PID 2068 wrote to memory of 3204	2068	firefox.exe	firefox.exe
PID 2068 wrote to memory of 4840	2068	firefox.exe	firefox.exe
PID 2068 wrote to memory of 4840	2068	firefox.exe	firefox.exe
PID 2068 wrote to memory of 4840	2068	firefox.exe	firefox.exe
PID 2068 wrote to memory of 4840	2068	firefox.exe	firefox.exe
PID 2068 wrote to memory of 4840	2068	firefox.exe	firefox.exe
PID 2068 wrote to memory of 4840	2068	firefox.exe	firefox.exe
PID 2068 wrote to memory of 4840	2068	firefox.exe	firefox.exe
PID 2068 wrote to memory of 4840	2068	firefox.exe	firefox.exe
PID 2068 wrote to memory of 4840	2068	firefox.exe	firefox.exe
PID 2068 wrote to memory of 4840	2068	firefox.exe	firefox.exe

C:\Program Files\Mozilla Firefox\firefox.exe
"C:\Program Files\Mozilla Firefox\firefox.exe" https://www.catalog.update.microsoft.com/
1⤵
- Suspicious use of WriteProcessMemory
PID:3912

C:\Program Files\Mozilla Firefox\firefox.exe
"C:\Program Files\Mozilla Firefox\firefox.exe" https://www.catalog.update.microsoft.com/
2⤵
- Checks processor information in registry
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2068

C:\Program Files\Mozilla Firefox\firefox.exe
"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2068.0.473087940\988292725" -parentBuildID 20200403170909 -prefsHandle 1692 -prefMapHandle 1656 -prefsLen 1 -prefMapSize 219940 -appdir "C:\Program Files\Mozilla Firefox\browser" - 2068 "\\.\pipe\gecko-crash-server-pipe.2068" 1780 gpu
3⤵
PID:1092

C:\Program Files\Mozilla Firefox\firefox.exe
"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2068.3.731965366\2142985008" -childID 1 -isForBrowser -prefsHandle 2460 -prefMapHandle 2360 -prefsLen 112 -prefMapSize 219940 -parentBuildID 20200403170909 -appdir "C:\Program Files\Mozilla Firefox\browser" - 2068 "\\.\pipe\gecko-crash-server-pipe.2068" 2472 tab
3⤵
PID:3204

C:\Program Files\Mozilla Firefox\firefox.exe
"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2068.13.196079738\810115279" -childID 2 -isForBrowser -prefsHandle 3660 -prefMapHandle 3656 -prefsLen 6894 -prefMapSize 219940 -parentBuildID 20200403170909 -appdir "C:\Program Files\Mozilla Firefox\browser" - 2068 "\\.\pipe\gecko-crash-server-pipe.2068" 3684 tab
3⤵
PID:4840

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads