rhadamanthys | fc0cb0682ccc37bdd72fab5106d45ebf7fb014b15004d65d627f6e2aed0750b4

Analysis

max time kernel
91s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
23/12/2022, 17:01

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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 2 IoCs

resource	yara_rule
behavioral2/memory/4304-146-0x0000000003620000-0x000000000363D000-memory.dmp	family_rhadamanthys
behavioral2/memory/4304-152-0x0000000003620000-0x000000000363D000-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\SystemBiosVersion	file.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	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
4304	file.exe
4304	file.exe
4304	file.exe
4304	file.exe

Checks SCSI registry key(s) 3 TTPs 5 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\DISK&VEN_DADY&PROD_HARDDISK\4&215468A5&0&000000	file.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\HardwareID	file.exe
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 2 IoCs

pid	Process
4304	file.exe
4304	file.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	4304	file.exe
Token: SeCreatePagefilePrivilege	4304	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:4304

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Bootkit

T1067

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4304-132-0x00000000008D0000-0x0000000000D32000-memory.dmp

Filesize
4.4MB

Download
memory/4304-133-0x00000000772E0000-0x0000000077483000-memory.dmp

Filesize
1.6MB

Download
memory/4304-134-0x00000000008D0000-0x0000000000D32000-memory.dmp

Filesize
4.4MB

Download
memory/4304-135-0x00000000008D1000-0x0000000000912000-memory.dmp

Filesize
260KB

Download
memory/4304-137-0x00000000008D1000-0x0000000000912000-memory.dmp

Filesize
260KB

Download
memory/4304-140-0x00000000008D0000-0x0000000000D32000-memory.dmp

Filesize
4.4MB

Download
memory/4304-141-0x00000000008D0000-0x0000000000D32000-memory.dmp

Filesize
4.4MB

Download
memory/4304-142-0x00000000772E0000-0x0000000077483000-memory.dmp

Filesize
1.6MB

Download
memory/4304-143-0x00000000034B0000-0x00000000034D9000-memory.dmp

Filesize
164KB

Download
memory/4304-144-0x00000000034B0000-0x00000000034D9000-memory.dmp

Filesize
164KB

Download
memory/4304-145-0x00000000015E9000-0x00000000015EC000-memory.dmp

Filesize
12KB

Download
memory/4304-146-0x0000000003620000-0x000000000363D000-memory.dmp

Filesize
116KB

Download
memory/4304-147-0x00000000772E0000-0x0000000077483000-memory.dmp

Filesize
1.6MB

Download
memory/4304-148-0x00000000039A0000-0x00000000049A0000-memory.dmp

Filesize
16.0MB

Download
memory/4304-149-0x00000000034B0000-0x00000000034D9000-memory.dmp

Filesize
164KB

Download
memory/4304-150-0x00000000008D0000-0x0000000000D32000-memory.dmp

Filesize
4.4MB

Download
memory/4304-152-0x0000000003620000-0x000000000363D000-memory.dmp

Filesize
116KB

Download
memory/4304-151-0x00000000772E0000-0x0000000077483000-memory.dmp

Filesize
1.6MB

Download