662d56478c8fa24fb43b71cba64af8d941ddb90659c2412144b46137e2cc4c36

General

Target

koid.exe
Size

1.7MB
MD5

937bd53a5f505b8e9b00416590ad8d92
SHA1

5abece11f9d282ec009bf441f132676344f1ede2
SHA256

662d56478c8fa24fb43b71cba64af8d941ddb90659c2412144b46137e2cc4c36
SHA512

2027fe14eff8cc0edd67be7f159e0710d79376aef11a70d4c0ad94d501667fd178780fb3a8f0c4481d2da32a3f6fd698e45cef297aee628cda1ae164e0434dd5
SSDEEP

49152:MXi87ZaoNcK9mVrSPYO1M+BrgdhwmzJnU:yvycBr

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\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
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~Mhz	firefox.exe

Modifies registry class 1 IoCs

Processes:

firefox.exe

description ioc process

Key created \REGISTRY\USER\S-1-5-21-2368682536-4045190062-1465778271-1000_Classes\Local Settings firefox.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2368682536-4045190062-1465778271-1000_Classes\Local Settings	firefox.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

firefox.exe

description	pid	process
Token: SeDebugPrivilege	3880	firefox.exe
Token: SeDebugPrivilege	3880	firefox.exe
Token: SeDebugPrivilege	3880	firefox.exe
Token: SeDebugPrivilege	3880	firefox.exe

Suspicious use of FindShellTrayWindow 6 IoCs

Processes:

firefox.exe

pid process

3880 firefox.exe
3880 firefox.exe
3880 firefox.exe
3880 firefox.exe
3880 firefox.exe
3880 firefox.exe
Suspicious use of SendNotifyMessage 5 IoCs

Processes:

firefox.exe

pid process

3880 firefox.exe
3880 firefox.exe
3880 firefox.exe
3880 firefox.exe
3880 firefox.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

firefox.exe

pid process

3880 firefox.exe

pid	process
3880	firefox.exe
3880	firefox.exe
3880	firefox.exe
3880	firefox.exe
3880	firefox.exe
3880	firefox.exe

pid	process
3880	firefox.exe
3880	firefox.exe
3880	firefox.exe
3880	firefox.exe
3880	firefox.exe

pid	process
3880	firefox.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

firefox.exefirefox.exe

description	pid	process	target process
PID 4560 wrote to memory of 3880	4560	firefox.exe	firefox.exe
PID 4560 wrote to memory of 3880	4560	firefox.exe	firefox.exe
PID 4560 wrote to memory of 3880	4560	firefox.exe	firefox.exe
PID 4560 wrote to memory of 3880	4560	firefox.exe	firefox.exe
PID 4560 wrote to memory of 3880	4560	firefox.exe	firefox.exe
PID 4560 wrote to memory of 3880	4560	firefox.exe	firefox.exe
PID 4560 wrote to memory of 3880	4560	firefox.exe	firefox.exe
PID 4560 wrote to memory of 3880	4560	firefox.exe	firefox.exe
PID 4560 wrote to memory of 3880	4560	firefox.exe	firefox.exe
PID 3880 wrote to memory of 2684	3880	firefox.exe	firefox.exe
PID 3880 wrote to memory of 2684	3880	firefox.exe	firefox.exe
PID 3880 wrote to memory of 4348	3880	firefox.exe	firefox.exe
PID 3880 wrote to memory of 4348	3880	firefox.exe	firefox.exe
PID 3880 wrote to memory of 4348	3880	firefox.exe	firefox.exe
PID 3880 wrote to memory of 4348	3880	firefox.exe	firefox.exe
PID 3880 wrote to memory of 4348	3880	firefox.exe	firefox.exe
PID 3880 wrote to memory of 4348	3880	firefox.exe	firefox.exe
PID 3880 wrote to memory of 4348	3880	firefox.exe	firefox.exe
PID 3880 wrote to memory of 4348	3880	firefox.exe	firefox.exe
PID 3880 wrote to memory of 4348	3880	firefox.exe	firefox.exe
PID 3880 wrote to memory of 4348	3880	firefox.exe	firefox.exe
PID 3880 wrote to memory of 4348	3880	firefox.exe	firefox.exe
PID 3880 wrote to memory of 4348	3880	firefox.exe	firefox.exe
PID 3880 wrote to memory of 4348	3880	firefox.exe	firefox.exe
PID 3880 wrote to memory of 4348	3880	firefox.exe	firefox.exe
PID 3880 wrote to memory of 4348	3880	firefox.exe	firefox.exe
PID 3880 wrote to memory of 4348	3880	firefox.exe	firefox.exe
PID 3880 wrote to memory of 4348	3880	firefox.exe	firefox.exe
PID 3880 wrote to memory of 4348	3880	firefox.exe	firefox.exe
PID 3880 wrote to memory of 4348	3880	firefox.exe	firefox.exe
PID 3880 wrote to memory of 4348	3880	firefox.exe	firefox.exe
PID 3880 wrote to memory of 4348	3880	firefox.exe	firefox.exe
PID 3880 wrote to memory of 4348	3880	firefox.exe	firefox.exe
PID 3880 wrote to memory of 4348	3880	firefox.exe	firefox.exe
PID 3880 wrote to memory of 4348	3880	firefox.exe	firefox.exe
PID 3880 wrote to memory of 4348	3880	firefox.exe	firefox.exe
PID 3880 wrote to memory of 4348	3880	firefox.exe	firefox.exe
PID 3880 wrote to memory of 4348	3880	firefox.exe	firefox.exe
PID 3880 wrote to memory of 4348	3880	firefox.exe	firefox.exe
PID 3880 wrote to memory of 4348	3880	firefox.exe	firefox.exe
PID 3880 wrote to memory of 4348	3880	firefox.exe	firefox.exe
PID 3880 wrote to memory of 4348	3880	firefox.exe	firefox.exe
PID 3880 wrote to memory of 4348	3880	firefox.exe	firefox.exe
PID 3880 wrote to memory of 4348	3880	firefox.exe	firefox.exe
PID 3880 wrote to memory of 4348	3880	firefox.exe	firefox.exe
PID 3880 wrote to memory of 4348	3880	firefox.exe	firefox.exe
PID 3880 wrote to memory of 4348	3880	firefox.exe	firefox.exe
PID 3880 wrote to memory of 4348	3880	firefox.exe	firefox.exe
PID 3880 wrote to memory of 4348	3880	firefox.exe	firefox.exe
PID 3880 wrote to memory of 4348	3880	firefox.exe	firefox.exe
PID 3880 wrote to memory of 4348	3880	firefox.exe	firefox.exe
PID 3880 wrote to memory of 4348	3880	firefox.exe	firefox.exe
PID 3880 wrote to memory of 4348	3880	firefox.exe	firefox.exe
PID 3880 wrote to memory of 4348	3880	firefox.exe	firefox.exe
PID 3880 wrote to memory of 4244	3880	firefox.exe	firefox.exe
PID 3880 wrote to memory of 4244	3880	firefox.exe	firefox.exe
PID 3880 wrote to memory of 4244	3880	firefox.exe	firefox.exe
PID 3880 wrote to memory of 4244	3880	firefox.exe	firefox.exe
PID 3880 wrote to memory of 4244	3880	firefox.exe	firefox.exe
PID 3880 wrote to memory of 4244	3880	firefox.exe	firefox.exe
PID 3880 wrote to memory of 4244	3880	firefox.exe	firefox.exe
PID 3880 wrote to memory of 4244	3880	firefox.exe	firefox.exe
PID 3880 wrote to memory of 4244	3880	firefox.exe	firefox.exe
PID 3880 wrote to memory of 4244	3880	firefox.exe	firefox.exe

C:\Users\Admin\AppData\Local\Temp\koid.exe
"C:\Users\Admin\AppData\Local\Temp\koid.exe"
1⤵
PID:2820

C:\Program Files\Mozilla Firefox\firefox.exe
"C:\Program Files\Mozilla Firefox\firefox.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4560

C:\Program Files\Mozilla Firefox\firefox.exe
"C:\Program Files\Mozilla Firefox\firefox.exe"
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:3880

C:\Program Files\Mozilla Firefox\firefox.exe
"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3880.0.143096247\124009622" -parentBuildID 20200403170909 -prefsHandle 1532 -prefMapHandle 1180 -prefsLen 1 -prefMapSize 219987 -appdir "C:\Program Files\Mozilla Firefox\browser" - 3880 "\\.\pipe\gecko-crash-server-pipe.3880" 1620 gpu
3⤵
PID:2684

C:\Program Files\Mozilla Firefox\firefox.exe
"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3880.3.458256626\175455623" -childID 1 -isForBrowser -prefsHandle 2220 -prefMapHandle 2212 -prefsLen 156 -prefMapSize 219987 -parentBuildID 20200403170909 -appdir "C:\Program Files\Mozilla Firefox\browser" - 3880 "\\.\pipe\gecko-crash-server-pipe.3880" 2248 tab
3⤵
PID:4348

C:\Program Files\Mozilla Firefox\firefox.exe
"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3880.13.842141547\851885484" -childID 2 -isForBrowser -prefsHandle 3456 -prefMapHandle 3452 -prefsLen 6938 -prefMapSize 219987 -parentBuildID 20200403170909 -appdir "C:\Program Files\Mozilla Firefox\browser" - 3880 "\\.\pipe\gecko-crash-server-pipe.3880" 3464 tab
3⤵
PID:4244

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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