hxxp://tesweek[.]com

General

Target

http://tesweek.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 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
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

Modifies registry class 1 IoCs

Processes:

firefox.exe

description ioc process

Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000_Classes\Local Settings firefox.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

firefox.exe

description pid process

Token: SeDebugPrivilege 760 firefox.exe
Token: SeDebugPrivilege 760 firefox.exe
Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

firefox.exe

pid process

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

Processes:

firefox.exe

pid process

760 firefox.exe
760 firefox.exe
760 firefox.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000_Classes\Local Settings	firefox.exe

description	pid	process
Token: SeDebugPrivilege	760	firefox.exe
Token: SeDebugPrivilege	760	firefox.exe

Suspicious use of SetWindowsHookEx 13 IoCs

Processes:

firefox.exe

pid	process
760	firefox.exe
760	firefox.exe
760	firefox.exe
760	firefox.exe
760	firefox.exe
760	firefox.exe
760	firefox.exe
760	firefox.exe
760	firefox.exe
760	firefox.exe
760	firefox.exe
760	firefox.exe
760	firefox.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

firefox.exefirefox.exe

description	pid	process	target process
PID 1436 wrote to memory of 760	1436	firefox.exe	firefox.exe
PID 1436 wrote to memory of 760	1436	firefox.exe	firefox.exe
PID 1436 wrote to memory of 760	1436	firefox.exe	firefox.exe
PID 1436 wrote to memory of 760	1436	firefox.exe	firefox.exe
PID 1436 wrote to memory of 760	1436	firefox.exe	firefox.exe
PID 1436 wrote to memory of 760	1436	firefox.exe	firefox.exe
PID 1436 wrote to memory of 760	1436	firefox.exe	firefox.exe
PID 1436 wrote to memory of 760	1436	firefox.exe	firefox.exe
PID 1436 wrote to memory of 760	1436	firefox.exe	firefox.exe
PID 760 wrote to memory of 5012	760	firefox.exe	firefox.exe
PID 760 wrote to memory of 5012	760	firefox.exe	firefox.exe
PID 760 wrote to memory of 3160	760	firefox.exe	firefox.exe
PID 760 wrote to memory of 3160	760	firefox.exe	firefox.exe
PID 760 wrote to memory of 3160	760	firefox.exe	firefox.exe
PID 760 wrote to memory of 3160	760	firefox.exe	firefox.exe
PID 760 wrote to memory of 3160	760	firefox.exe	firefox.exe
PID 760 wrote to memory of 3160	760	firefox.exe	firefox.exe
PID 760 wrote to memory of 3160	760	firefox.exe	firefox.exe
PID 760 wrote to memory of 3160	760	firefox.exe	firefox.exe
PID 760 wrote to memory of 3160	760	firefox.exe	firefox.exe
PID 760 wrote to memory of 3160	760	firefox.exe	firefox.exe
PID 760 wrote to memory of 3160	760	firefox.exe	firefox.exe
PID 760 wrote to memory of 3160	760	firefox.exe	firefox.exe
PID 760 wrote to memory of 3160	760	firefox.exe	firefox.exe
PID 760 wrote to memory of 3160	760	firefox.exe	firefox.exe
PID 760 wrote to memory of 3160	760	firefox.exe	firefox.exe
PID 760 wrote to memory of 3160	760	firefox.exe	firefox.exe
PID 760 wrote to memory of 3160	760	firefox.exe	firefox.exe
PID 760 wrote to memory of 3160	760	firefox.exe	firefox.exe
PID 760 wrote to memory of 3160	760	firefox.exe	firefox.exe
PID 760 wrote to memory of 3160	760	firefox.exe	firefox.exe
PID 760 wrote to memory of 3160	760	firefox.exe	firefox.exe
PID 760 wrote to memory of 3160	760	firefox.exe	firefox.exe
PID 760 wrote to memory of 3160	760	firefox.exe	firefox.exe
PID 760 wrote to memory of 3160	760	firefox.exe	firefox.exe
PID 760 wrote to memory of 3160	760	firefox.exe	firefox.exe
PID 760 wrote to memory of 3160	760	firefox.exe	firefox.exe
PID 760 wrote to memory of 3160	760	firefox.exe	firefox.exe
PID 760 wrote to memory of 3160	760	firefox.exe	firefox.exe
PID 760 wrote to memory of 3160	760	firefox.exe	firefox.exe
PID 760 wrote to memory of 3160	760	firefox.exe	firefox.exe
PID 760 wrote to memory of 3160	760	firefox.exe	firefox.exe
PID 760 wrote to memory of 3160	760	firefox.exe	firefox.exe
PID 760 wrote to memory of 3160	760	firefox.exe	firefox.exe
PID 760 wrote to memory of 3160	760	firefox.exe	firefox.exe
PID 760 wrote to memory of 3160	760	firefox.exe	firefox.exe
PID 760 wrote to memory of 3160	760	firefox.exe	firefox.exe
PID 760 wrote to memory of 3160	760	firefox.exe	firefox.exe
PID 760 wrote to memory of 3160	760	firefox.exe	firefox.exe
PID 760 wrote to memory of 3160	760	firefox.exe	firefox.exe
PID 760 wrote to memory of 3160	760	firefox.exe	firefox.exe
PID 760 wrote to memory of 3160	760	firefox.exe	firefox.exe
PID 760 wrote to memory of 3160	760	firefox.exe	firefox.exe
PID 760 wrote to memory of 3160	760	firefox.exe	firefox.exe
PID 760 wrote to memory of 2208	760	firefox.exe	firefox.exe
PID 760 wrote to memory of 2208	760	firefox.exe	firefox.exe
PID 760 wrote to memory of 2208	760	firefox.exe	firefox.exe
PID 760 wrote to memory of 2208	760	firefox.exe	firefox.exe
PID 760 wrote to memory of 2208	760	firefox.exe	firefox.exe
PID 760 wrote to memory of 2208	760	firefox.exe	firefox.exe
PID 760 wrote to memory of 2208	760	firefox.exe	firefox.exe
PID 760 wrote to memory of 2208	760	firefox.exe	firefox.exe
PID 760 wrote to memory of 2208	760	firefox.exe	firefox.exe
PID 760 wrote to memory of 2208	760	firefox.exe	firefox.exe

C:\Program Files\Mozilla Firefox\firefox.exe
"C:\Program Files\Mozilla Firefox\firefox.exe" http://tesweek.com
1⤵
- Suspicious use of WriteProcessMemory
PID:1436

C:\Program Files\Mozilla Firefox\firefox.exe
"C:\Program Files\Mozilla Firefox\firefox.exe" http://tesweek.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:760

C:\Program Files\Mozilla Firefox\firefox.exe
"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="760.0.2030564872\2010860421" -parentBuildID 20200403170909 -prefsHandle 1692 -prefMapHandle 1656 -prefsLen 1 -prefMapSize 220117 -appdir "C:\Program Files\Mozilla Firefox\browser" - 760 "\\.\pipe\gecko-crash-server-pipe.760" 1768 gpu
3⤵
PID:5012

C:\Program Files\Mozilla Firefox\firefox.exe
"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="760.3.1194026037\47099441" -childID 1 -isForBrowser -prefsHandle 2248 -prefMapHandle 2456 -prefsLen 112 -prefMapSize 220117 -parentBuildID 20200403170909 -appdir "C:\Program Files\Mozilla Firefox\browser" - 760 "\\.\pipe\gecko-crash-server-pipe.760" 2460 tab
3⤵
PID:3160

C:\Program Files\Mozilla Firefox\firefox.exe
"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="760.13.1513225591\429713556" -childID 2 -isForBrowser -prefsHandle 3656 -prefMapHandle 3652 -prefsLen 6894 -prefMapSize 220117 -parentBuildID 20200403170909 -appdir "C:\Program Files\Mozilla Firefox\browser" - 760 "\\.\pipe\gecko-crash-server-pipe.760" 3664 tab
3⤵
PID:2208

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

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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