Malware Analysis Report

2024-11-30 02:15

Sample ID 240327-219avage6x
Target rh_0.6.0.exe
SHA256 cade479a0b203af759b0f82c80d4b95ca46abe3a4f665f365953eb5e25fe9284
Tags
rhadamanthys discovery stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

cade479a0b203af759b0f82c80d4b95ca46abe3a4f665f365953eb5e25fe9284

Threat Level: Known bad

The file rh_0.6.0.exe was found to be: Known bad.

Malicious Activity Summary

rhadamanthys discovery stealer

Rhadamanthys

Rhadamanthys family

Suspicious use of NtCreateUserProcessOtherParentProcess

Deletes itself

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-03-27 23:04

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-03-27 23:04

Reported

2024-03-27 23:14

Platform

win7-20240319-en

Max time kernel

357s

Max time network

360s

Command Line

C:\Windows\Explorer.EXE

Signatures

Rhadamanthys

stealer rhadamanthys

Rhadamanthys family

rhadamanthys

Suspicious use of NtCreateUserProcessOtherParentProcess

Description Indicator Process Target
PID 2316 created 1232 N/A C:\Users\Admin\AppData\Local\Temp\rh_0.6.0.exe C:\Windows\Explorer.EXE

Deletes itself

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\dialer.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\rh_0.6.0.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\dialer.exe N/A

Processes

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Users\Admin\AppData\Local\Temp\rh_0.6.0.exe

"C:\Users\Admin\AppData\Local\Temp\rh_0.6.0.exe"

C:\Windows\SysWOW64\dialer.exe

"C:\Windows\system32\dialer.exe"

Network

N/A

Files

memory/2316-0-0x0000000000360000-0x00000000003CD000-memory.dmp

memory/2316-1-0x0000000002E80000-0x0000000003280000-memory.dmp

memory/2316-2-0x0000000002E80000-0x0000000003280000-memory.dmp

memory/2316-3-0x0000000077820000-0x00000000779C9000-memory.dmp

memory/2316-5-0x0000000002E80000-0x0000000003280000-memory.dmp

memory/2316-6-0x0000000075730000-0x0000000075777000-memory.dmp

memory/2496-7-0x0000000000080000-0x0000000000089000-memory.dmp

memory/2316-8-0x0000000000360000-0x00000000003CD000-memory.dmp

memory/2496-11-0x0000000001F90000-0x0000000002390000-memory.dmp

memory/2496-10-0x0000000001F90000-0x0000000002390000-memory.dmp

memory/2496-13-0x0000000001F90000-0x0000000002390000-memory.dmp

memory/2496-12-0x0000000077820000-0x00000000779C9000-memory.dmp

memory/2496-15-0x0000000077820000-0x00000000779C9000-memory.dmp

memory/2496-16-0x0000000075730000-0x0000000075777000-memory.dmp

memory/2496-17-0x0000000001F90000-0x0000000002390000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-27 23:04

Reported

2024-03-27 23:14

Platform

win10v2004-20231215-en

Max time kernel

449s

Max time network

450s

Command Line

sihost.exe

Signatures

Rhadamanthys

stealer rhadamanthys

Rhadamanthys family

rhadamanthys

Suspicious use of NtCreateUserProcessOtherParentProcess

Description Indicator Process Target
PID 3944 created 2548 N/A C:\Users\Admin\AppData\Local\Temp\rh_0.6.0.exe C:\Windows\system32\sihost.exe

Deletes itself

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\dialer.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\rh_0.6.0.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\dialer.exe N/A

Processes

C:\Windows\system32\sihost.exe

sihost.exe

C:\Users\Admin\AppData\Local\Temp\rh_0.6.0.exe

"C:\Users\Admin\AppData\Local\Temp\rh_0.6.0.exe"

C:\Windows\SysWOW64\dialer.exe

"C:\Windows\system32\dialer.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 201.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 138.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 208.194.73.20.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 40.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 22.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 200.64.52.20.in-addr.arpa udp

Files

memory/3944-0-0x00000000000B0000-0x000000000011D000-memory.dmp

memory/3944-1-0x0000000003FE0000-0x00000000043E0000-memory.dmp

memory/3944-2-0x0000000003FE0000-0x00000000043E0000-memory.dmp

memory/3944-3-0x0000000003FE0000-0x00000000043E0000-memory.dmp

memory/3944-4-0x00007FFF89F10000-0x00007FFF8A105000-memory.dmp

memory/3944-5-0x0000000003FE0000-0x00000000043E0000-memory.dmp

memory/3944-7-0x0000000075C90000-0x0000000075EA5000-memory.dmp

memory/4796-8-0x0000000000770000-0x0000000000779000-memory.dmp

memory/3944-9-0x00000000000B0000-0x000000000011D000-memory.dmp

memory/4796-11-0x0000000002500000-0x0000000002900000-memory.dmp

memory/4796-12-0x0000000002500000-0x0000000002900000-memory.dmp

memory/4796-14-0x0000000002500000-0x0000000002900000-memory.dmp

memory/4796-13-0x00007FFF89F10000-0x00007FFF8A105000-memory.dmp

memory/4796-16-0x0000000075C90000-0x0000000075EA5000-memory.dmp

memory/4796-17-0x0000000002500000-0x0000000002900000-memory.dmp