Malware Analysis Report

2024-11-13 13:53

Sample ID 240915-zklhqssdmr
Target module.exe
SHA256 6d3cb7a3b8e5a1ca0288c225b8bf2a3d741f05fe1d8f3954d5e36ce13ce99355
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

6d3cb7a3b8e5a1ca0288c225b8bf2a3d741f05fe1d8f3954d5e36ce13ce99355

Threat Level: Known bad

The file module.exe was found to be: Known bad.

Malicious Activity Summary

rhadamanthys discovery stealer

Rhadamanthys

Suspicious use of NtCreateUserProcessOtherParentProcess

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-15 20:46

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-15 20:46

Reported

2024-09-15 20:49

Platform

win7-20240708-en

Max time kernel

119s

Max time network

121s

Command Line

C:\Windows\Explorer.EXE

Signatures

Rhadamanthys

stealer rhadamanthys

Suspicious use of NtCreateUserProcessOtherParentProcess

Description Indicator Process Target
PID 2328 created 1228 N/A C:\Users\Admin\AppData\Local\Temp\module.exe C:\Windows\Explorer.EXE

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\module.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\module.exe

"C:\Users\Admin\AppData\Local\Temp\module.exe"

C:\Windows\SysWOW64\dialer.exe

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

Network

N/A

Files

memory/2328-0-0x00000000010C0000-0x00000000015EB000-memory.dmp

memory/2328-6-0x00000000010C0000-0x00000000015EB000-memory.dmp

memory/2328-7-0x000000000113B000-0x00000000013AE000-memory.dmp

memory/2328-5-0x0000000000120000-0x0000000000121000-memory.dmp

memory/2328-3-0x0000000000120000-0x0000000000121000-memory.dmp

memory/2328-1-0x0000000000120000-0x0000000000121000-memory.dmp

memory/2328-8-0x00000000010C0000-0x00000000015EB000-memory.dmp

memory/2328-9-0x00000000010C0000-0x00000000015EB000-memory.dmp

memory/2328-10-0x00000000008C0000-0x0000000000CC0000-memory.dmp

memory/2328-11-0x00000000008C0000-0x0000000000CC0000-memory.dmp

memory/2328-12-0x00000000010C0000-0x00000000015EB000-memory.dmp

memory/2328-13-0x0000000077C00000-0x0000000077DA9000-memory.dmp

memory/2328-15-0x0000000076850000-0x0000000076897000-memory.dmp

memory/2216-16-0x0000000000080000-0x0000000000089000-memory.dmp

memory/2328-17-0x00000000010C0000-0x00000000015EB000-memory.dmp

memory/2328-21-0x000000000113B000-0x00000000013AE000-memory.dmp

memory/2216-20-0x0000000001BD0000-0x0000000001FD0000-memory.dmp

memory/2216-22-0x0000000077C00000-0x0000000077DA9000-memory.dmp

memory/2216-26-0x0000000077C01000-0x0000000077D02000-memory.dmp

memory/2216-25-0x0000000001BD0000-0x0000000001FD0000-memory.dmp

memory/2216-24-0x0000000076850000-0x0000000076897000-memory.dmp

memory/2216-27-0x0000000001BD0000-0x0000000001FD0000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-15 20:46

Reported

2024-09-15 20:47

Platform

win10v2004-20240802-en

Max time kernel

31s

Max time network

42s

Command Line

sihost.exe

Signatures

Rhadamanthys

stealer rhadamanthys

Suspicious use of NtCreateUserProcessOtherParentProcess

Description Indicator Process Target
PID 4488 created 2740 N/A C:\Users\Admin\AppData\Local\Temp\module.exe C:\Windows\system32\sihost.exe

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\module.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\openwith.exe N/A

Processes

C:\Windows\system32\sihost.exe

sihost.exe

C:\Users\Admin\AppData\Local\Temp\module.exe

"C:\Users\Admin\AppData\Local\Temp\module.exe"

C:\Windows\SysWOW64\openwith.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 140.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp

Files

memory/4488-0-0x0000000000600000-0x0000000000B2B000-memory.dmp

memory/4488-1-0x000000000067B000-0x00000000008EE000-memory.dmp

memory/4488-4-0x0000000000600000-0x0000000000B2B000-memory.dmp

memory/4488-2-0x00000000010E0000-0x00000000010E1000-memory.dmp

memory/4488-5-0x0000000003E40000-0x0000000004240000-memory.dmp

memory/4488-6-0x0000000000600000-0x0000000000B2B000-memory.dmp

memory/4488-7-0x0000000003E40000-0x0000000004240000-memory.dmp

memory/4488-8-0x00007FFADA1F0000-0x00007FFADA3E5000-memory.dmp

memory/4488-10-0x0000000075D50000-0x0000000075F65000-memory.dmp

memory/1900-11-0x0000000000360000-0x0000000000369000-memory.dmp

memory/1900-15-0x00000000020D0000-0x00000000024D0000-memory.dmp

memory/1900-16-0x00000000020D0000-0x00000000024D0000-memory.dmp

memory/4488-14-0x000000000067B000-0x00000000008EE000-memory.dmp

memory/4488-13-0x0000000000600000-0x0000000000B2B000-memory.dmp

memory/1900-19-0x0000000075D50000-0x0000000075F65000-memory.dmp

memory/1900-17-0x00007FFADA1F0000-0x00007FFADA3E5000-memory.dmp

memory/1900-20-0x00000000020D0000-0x00000000024D0000-memory.dmp

memory/1900-21-0x00000000020D0000-0x00000000024D0000-memory.dmp