hxxps://s3[.]amazonaws[.]com/appforest_uf/f1659357912081x185196328033432770/0micr%40s0ft[.]html

General

Target

https://s3.amazonaws.com/appforest_uf/f1659357912081x185196328033432770/0micr%40s0ft.html

Score

1^/10

Malware Config

Signatures

Checks processor information in registry 2 TTPs 4 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\Update Signature	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
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	firefox.exe

Modifies registry class 2 IoCs

Processes:

firefox.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000_Classes\Local Settings	firefox.exe
Key created	\REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	firefox.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

firefox.exeAUDIODG.EXE

description	pid	process
Token: SeDebugPrivilege	1080	firefox.exe
Token: SeDebugPrivilege	1080	firefox.exe
Token: 33	2736	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	2736	AUDIODG.EXE
Token: 33	2736	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	2736	AUDIODG.EXE

Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

firefox.exe

pid process

1080 firefox.exe
1080 firefox.exe
1080 firefox.exe
1080 firefox.exe
Suspicious use of SendNotifyMessage 3 IoCs

Processes:

firefox.exe

pid process

1080 firefox.exe
1080 firefox.exe
1080 firefox.exe

pid	process
1080	firefox.exe
1080	firefox.exe
1080	firefox.exe
1080	firefox.exe

pid	process
1080	firefox.exe
1080	firefox.exe
1080	firefox.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

firefox.exefirefox.exe

description	pid	process	target process
PID 1952 wrote to memory of 1080	1952	firefox.exe	firefox.exe
PID 1952 wrote to memory of 1080	1952	firefox.exe	firefox.exe
PID 1952 wrote to memory of 1080	1952	firefox.exe	firefox.exe
PID 1952 wrote to memory of 1080	1952	firefox.exe	firefox.exe
PID 1952 wrote to memory of 1080	1952	firefox.exe	firefox.exe
PID 1952 wrote to memory of 1080	1952	firefox.exe	firefox.exe
PID 1952 wrote to memory of 1080	1952	firefox.exe	firefox.exe
PID 1952 wrote to memory of 1080	1952	firefox.exe	firefox.exe
PID 1952 wrote to memory of 1080	1952	firefox.exe	firefox.exe
PID 1952 wrote to memory of 1080	1952	firefox.exe	firefox.exe
PID 1080 wrote to memory of 864	1080	firefox.exe	firefox.exe
PID 1080 wrote to memory of 864	1080	firefox.exe	firefox.exe
PID 1080 wrote to memory of 864	1080	firefox.exe	firefox.exe
PID 1080 wrote to memory of 1412	1080	firefox.exe	firefox.exe
PID 1080 wrote to memory of 1412	1080	firefox.exe	firefox.exe
PID 1080 wrote to memory of 1412	1080	firefox.exe	firefox.exe
PID 1080 wrote to memory of 1412	1080	firefox.exe	firefox.exe
PID 1080 wrote to memory of 1412	1080	firefox.exe	firefox.exe
PID 1080 wrote to memory of 1412	1080	firefox.exe	firefox.exe
PID 1080 wrote to memory of 1412	1080	firefox.exe	firefox.exe
PID 1080 wrote to memory of 1412	1080	firefox.exe	firefox.exe
PID 1080 wrote to memory of 1412	1080	firefox.exe	firefox.exe
PID 1080 wrote to memory of 1412	1080	firefox.exe	firefox.exe
PID 1080 wrote to memory of 1412	1080	firefox.exe	firefox.exe
PID 1080 wrote to memory of 1412	1080	firefox.exe	firefox.exe
PID 1080 wrote to memory of 1412	1080	firefox.exe	firefox.exe
PID 1080 wrote to memory of 1412	1080	firefox.exe	firefox.exe
PID 1080 wrote to memory of 1412	1080	firefox.exe	firefox.exe
PID 1080 wrote to memory of 1412	1080	firefox.exe	firefox.exe
PID 1080 wrote to memory of 1412	1080	firefox.exe	firefox.exe
PID 1080 wrote to memory of 1412	1080	firefox.exe	firefox.exe
PID 1080 wrote to memory of 1412	1080	firefox.exe	firefox.exe
PID 1080 wrote to memory of 1412	1080	firefox.exe	firefox.exe
PID 1080 wrote to memory of 1412	1080	firefox.exe	firefox.exe
PID 1080 wrote to memory of 1412	1080	firefox.exe	firefox.exe
PID 1080 wrote to memory of 1412	1080	firefox.exe	firefox.exe
PID 1080 wrote to memory of 1412	1080	firefox.exe	firefox.exe
PID 1080 wrote to memory of 1412	1080	firefox.exe	firefox.exe
PID 1080 wrote to memory of 1412	1080	firefox.exe	firefox.exe
PID 1080 wrote to memory of 1412	1080	firefox.exe	firefox.exe
PID 1080 wrote to memory of 1412	1080	firefox.exe	firefox.exe
PID 1080 wrote to memory of 1412	1080	firefox.exe	firefox.exe
PID 1080 wrote to memory of 1412	1080	firefox.exe	firefox.exe
PID 1080 wrote to memory of 1412	1080	firefox.exe	firefox.exe
PID 1080 wrote to memory of 1412	1080	firefox.exe	firefox.exe
PID 1080 wrote to memory of 1412	1080	firefox.exe	firefox.exe
PID 1080 wrote to memory of 1412	1080	firefox.exe	firefox.exe
PID 1080 wrote to memory of 1412	1080	firefox.exe	firefox.exe
PID 1080 wrote to memory of 1412	1080	firefox.exe	firefox.exe
PID 1080 wrote to memory of 1412	1080	firefox.exe	firefox.exe
PID 1080 wrote to memory of 1412	1080	firefox.exe	firefox.exe
PID 1080 wrote to memory of 1412	1080	firefox.exe	firefox.exe
PID 1080 wrote to memory of 1412	1080	firefox.exe	firefox.exe
PID 1080 wrote to memory of 1412	1080	firefox.exe	firefox.exe
PID 1080 wrote to memory of 1412	1080	firefox.exe	firefox.exe
PID 1080 wrote to memory of 1412	1080	firefox.exe	firefox.exe
PID 1080 wrote to memory of 1412	1080	firefox.exe	firefox.exe
PID 1080 wrote to memory of 1876	1080	firefox.exe	firefox.exe
PID 1080 wrote to memory of 1876	1080	firefox.exe	firefox.exe
PID 1080 wrote to memory of 1876	1080	firefox.exe	firefox.exe
PID 1080 wrote to memory of 1876	1080	firefox.exe	firefox.exe
PID 1080 wrote to memory of 1876	1080	firefox.exe	firefox.exe
PID 1080 wrote to memory of 1876	1080	firefox.exe	firefox.exe
PID 1080 wrote to memory of 1876	1080	firefox.exe	firefox.exe

C:\Program Files\Mozilla Firefox\firefox.exe
"C:\Program Files\Mozilla Firefox\firefox.exe" https://s3.amazonaws.com/appforest_uf/f1659357912081x185196328033432770/0micr%40s0ft.html
1⤵
- Suspicious use of WriteProcessMemory
PID:1952

C:\Program Files\Mozilla Firefox\firefox.exe
"C:\Program Files\Mozilla Firefox\firefox.exe" https://s3.amazonaws.com/appforest_uf/f1659357912081x185196328033432770/0micr%40s0ft.html
2⤵
- Checks processor information in registry
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1080

C:\Program Files\Mozilla Firefox\firefox.exe
"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1080.0.403953411\755755892" -parentBuildID 20200403170909 -prefsHandle 1184 -prefMapHandle 1176 -prefsLen 1 -prefMapSize 219978 -appdir "C:\Program Files\Mozilla Firefox\browser" - 1080 "\\.\pipe\gecko-crash-server-pipe.1080" 1260 gpu
3⤵
PID:864

C:\Program Files\Mozilla Firefox\firefox.exe
"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1080.3.1760963036\88985874" -childID 1 -isForBrowser -prefsHandle 1704 -prefMapHandle 1696 -prefsLen 122 -prefMapSize 219978 -parentBuildID 20200403170909 -appdir "C:\Program Files\Mozilla Firefox\browser" - 1080 "\\.\pipe\gecko-crash-server-pipe.1080" 1816 tab
3⤵
PID:1412

C:\Program Files\Mozilla Firefox\firefox.exe
"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1080.13.487513117\1759682810" -childID 2 -isForBrowser -prefsHandle 2796 -prefMapHandle 2792 -prefsLen 6904 -prefMapSize 219978 -parentBuildID 20200403170909 -appdir "C:\Program Files\Mozilla Firefox\browser" - 1080 "\\.\pipe\gecko-crash-server-pipe.1080" 2808 tab
3⤵
PID:1876

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0xc8
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2736

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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