023e1fcd8659fc92f4db9ce75b60ec2ddae9a8b919b74102333212f3baaca19a

General

Target

Riot_Client.exe
Size

6.7MB
MD5

0f9657a59961a52c08cdac8e54459756
SHA1

c41ad7c7073516650b3f47a439fd8c237092fdce
SHA256

023e1fcd8659fc92f4db9ce75b60ec2ddae9a8b919b74102333212f3baaca19a
SHA512

4f352d3d595925b989302bbd34e00ab3b55732817447703adcd1a7a0fe1816fcad1b255839f9362181271c8d1516ef9a2144843325b56a7c79c64f59987845ca
SSDEEP

196608:E1jd/KJ/1Vj6PNTjoBuwaZU/IEZL8p83:EY1V6PNTjoBuwuU/IEZLD3

Score

9^/10

evasion

Malware Config

Signatures

Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Oracle\VirtualBox Guest Additions	Riot_Client.exe

Looks for VMWare Tools registry key 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\VMware, Inc.\VMware Tools	Riot_Client.exe

Checks BIOS information in registry 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	Riot_Client.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	Riot_Client.exe

Maps connected drives based on registry 3 TTPs 2 IoCs

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

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	Riot_Client.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	Riot_Client.exe

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474	Riot_Client.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	Riot_Client.exe

Suspicious behavior: EnumeratesProcesses 42 IoCs

pid	Process
1744	Riot_Client.exe
1744	Riot_Client.exe
1744	Riot_Client.exe
1744	Riot_Client.exe
1744	Riot_Client.exe
1744	Riot_Client.exe
1744	Riot_Client.exe
1744	Riot_Client.exe
1744	Riot_Client.exe
1744	Riot_Client.exe
1744	Riot_Client.exe
1744	Riot_Client.exe
1744	Riot_Client.exe
1744	Riot_Client.exe
1744	Riot_Client.exe
1744	Riot_Client.exe
1744	Riot_Client.exe
1744	Riot_Client.exe
1744	Riot_Client.exe
1744	Riot_Client.exe
1744	Riot_Client.exe
1744	Riot_Client.exe
1744	Riot_Client.exe
1744	Riot_Client.exe
1744	Riot_Client.exe
1744	Riot_Client.exe
1744	Riot_Client.exe
1744	Riot_Client.exe
1744	Riot_Client.exe
1744	Riot_Client.exe
1744	Riot_Client.exe
1744	Riot_Client.exe
1744	Riot_Client.exe
1744	Riot_Client.exe
1744	Riot_Client.exe
1744	Riot_Client.exe
1744	Riot_Client.exe
1744	Riot_Client.exe
1744	Riot_Client.exe
1744	Riot_Client.exe
1744	Riot_Client.exe
1744	Riot_Client.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1744	Riot_Client.exe

C:\Users\Admin\AppData\Local\Temp\Riot_Client.exe
"C:\Users\Admin\AppData\Local\Temp\Riot_Client.exe"
1⤵
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Maps connected drives based on registry
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1744

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Install Root Certificate

Modify Registry

Virtualization/Sandbox Evasion

2

T1497

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

2

T1082

Virtualization/Sandbox Evasion

2

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1744-54-0x0000000000CF0000-0x00000000013AA000-memory.dmp

Filesize
6.7MB

Download
memory/1744-55-0x000000001C340000-0x000000001C716000-memory.dmp

Filesize
3.8MB

Download
memory/1744-56-0x0000000000430000-0x00000000004B0000-memory.dmp

Filesize
512KB

Download
memory/1744-57-0x0000000000430000-0x00000000004B0000-memory.dmp

Filesize
512KB

Download
memory/1744-58-0x0000000000430000-0x00000000004B0000-memory.dmp

Filesize
512KB

Download
memory/1744-59-0x0000000000430000-0x00000000004B0000-memory.dmp

Filesize
512KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads