rhadamanthys | fc0cb0682ccc37bdd72fab5106d45ebf7fb014b15004d65d627f6e2aed0750b4

General

Target

file.exe
Size

1.4MB
MD5

afd26f223230ad20eb208dbaa0164e43
SHA1

9c92cde80d982dec72e5a2fb6553bc1cd89e8319
SHA256

fc0cb0682ccc37bdd72fab5106d45ebf7fb014b15004d65d627f6e2aed0750b4
SHA512

e0e284ffdd4ef7421a0c0ffb1cf6e2aa82707a861be84e98713a3efd385f1347d8c869709d941d19c0fb3df0d7e40aec1803fb14cc379cec98eeaf8e196aefce
SSDEEP

24576:cfR85lrIXtinFaRYaWZ22CJVf6GvhrRR44gaGVllYVYItTP4au+TK+Mx:cfS55IXluX4t2ID4au+2d

Score

10^/10

rhadamanthys bootkit evasion persistence stealer trojan

Malware Config

Signatures

Detect rhadamanthys stealer shellcode 3 IoCs

resource	yara_rule
behavioral1/memory/1464-68-0x0000000000160000-0x000000000017D000-memory.dmp	family_rhadamanthys
behavioral1/memory/1464-69-0x0000000076F70000-0x00000000770F0000-memory.dmp	family_rhadamanthys
behavioral1/memory/1464-74-0x0000000000160000-0x000000000017D000-memory.dmp	family_rhadamanthys

Rhadamanthys
Rhadamanthys is an info stealer written in C++ first seen in August 2022.
stealer rhadamanthys

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	file.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\VideoBiosVersion	file.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	file.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	file.exe

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

Bootkits write to the MBR to gain persistence at a level below the operating system.

bootkit persistence

Bootkit

T1067

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	file.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

pid	Process
1464	file.exe
1464	file.exe
1464	file.exe
1464	file.exe

Checks SCSI registry key(s) 3 TTPs 3 IoCs

SCSI 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\Enum\SCSI	file.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	file.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	file.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1464	file.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeShutdownPrivilege	1464	file.exe

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Writes to the Master Boot Record (MBR)
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1464

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Bootkit

1

T1067

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

1

T1497

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

3

T1082

Virtualization/Sandbox Evasion

1

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1464-54-0x0000000075B51000-0x0000000075B53000-memory.dmp

Filesize
8KB

Download
memory/1464-55-0x0000000000C20000-0x0000000001082000-memory.dmp

Filesize
4.4MB

Download
memory/1464-56-0x0000000000C21000-0x0000000000C62000-memory.dmp

Filesize
260KB

Download
memory/1464-58-0x0000000000C21000-0x0000000000C62000-memory.dmp

Filesize
260KB

Download
memory/1464-61-0x0000000000C20000-0x0000000001082000-memory.dmp

Filesize
4.4MB

Download
memory/1464-62-0x0000000000C20000-0x0000000001082000-memory.dmp

Filesize
4.4MB

Download
memory/1464-63-0x0000000076F70000-0x00000000770F0000-memory.dmp

Filesize
1.5MB

Download
memory/1464-64-0x0000000000130000-0x0000000000159000-memory.dmp

Filesize
164KB

Download
memory/1464-65-0x0000000000130000-0x0000000000159000-memory.dmp

Filesize
164KB

Download
memory/1464-66-0x00000000005BA000-0x00000000005BC000-memory.dmp

Filesize
8KB

Download
memory/1464-67-0x00000000005BA000-0x00000000005BC000-memory.dmp

Filesize
8KB

Download
memory/1464-68-0x0000000000160000-0x000000000017D000-memory.dmp

Filesize
116KB

Download
memory/1464-69-0x0000000076F70000-0x00000000770F0000-memory.dmp

Filesize
1.5MB

Download
memory/1464-70-0x0000000002B40000-0x0000000003B40000-memory.dmp

Filesize
16.0MB

Download
memory/1464-71-0x0000000000130000-0x0000000000159000-memory.dmp

Filesize
164KB

Download
memory/1464-72-0x0000000000C20000-0x0000000001082000-memory.dmp

Filesize
4.4MB

Download
memory/1464-73-0x0000000076F70000-0x00000000770F0000-memory.dmp

Filesize
1.5MB

Download
memory/1464-74-0x0000000000160000-0x000000000017D000-memory.dmp

Filesize
116KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads