Malware Analysis Report

2024-11-30 02:23

Sample ID 241107-ngpkfatngp
Target 8d59ab8245f380aa60471522eea024f4336e791b676b30196995783cbe8a4519
SHA256 8d59ab8245f380aa60471522eea024f4336e791b676b30196995783cbe8a4519
Tags
discovery rhadamanthys 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

8d59ab8245f380aa60471522eea024f4336e791b676b30196995783cbe8a4519

Threat Level: Known bad

The file 8d59ab8245f380aa60471522eea024f4336e791b676b30196995783cbe8a4519 was found to be: Known bad.

Malicious Activity Summary

discovery rhadamanthys stealer

Suspicious use of NtCreateUserProcessOtherParentProcess

Rhadamanthys

Rhadamanthys family

Loads dropped DLL

Suspicious use of SetThreadContext

System Location Discovery: System Language Discovery

Program crash

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-07 11:22

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-07 11:22

Reported

2024-11-07 11:24

Platform

win7-20241010-en

Max time kernel

119s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8d59ab8245f380aa60471522eea024f4336e791b676b30196995783cbe8a4519.exe"

Signatures

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\8d59ab8245f380aa60471522eea024f4336e791b676b30196995783cbe8a4519.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\8d59ab8245f380aa60471522eea024f4336e791b676b30196995783cbe8a4519.exe

"C:\Users\Admin\AppData\Local\Temp\8d59ab8245f380aa60471522eea024f4336e791b676b30196995783cbe8a4519.exe"

Network

N/A

Files

memory/1504-0-0x0000000073EDE000-0x0000000073EDF000-memory.dmp

memory/1504-1-0x0000000000110000-0x0000000000188000-memory.dmp

memory/1504-2-0x00000000004E0000-0x00000000004E6000-memory.dmp

\Users\Admin\AppData\Roaming\msvcp110.dll

MD5 a91ea405d77ddbcd0516c533cf16bc82
SHA1 cb8011380d17074671a164b58975abffbf0f0daf
SHA256 385640a86350eac4b8a5ec83b75fb5bcb6f5de12a9338b1d1296e3ba09f7ad41
SHA512 4390584749bf06a685bcdb9e16a9c700de396e6c183a7ceebe622f84d241af93d363fa15a80e072b61472f8d5cb4f783208b81a5668bbd8cefae483d395d35f0

memory/1504-7-0x0000000074E00000-0x0000000074EC1000-memory.dmp

memory/1504-8-0x0000000073ED0000-0x00000000745BE000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-07 11:22

Reported

2024-11-07 11:24

Platform

win10v2004-20241007-en

Max time kernel

94s

Max time network

139s

Command Line

sihost.exe

Signatures

Rhadamanthys

stealer rhadamanthys

Rhadamanthys family

rhadamanthys

Suspicious use of NtCreateUserProcessOtherParentProcess

Description Indicator Process Target
PID 732 created 2660 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regiis.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:\Windows\SysWOW64\openwith.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\8d59ab8245f380aa60471522eea024f4336e791b676b30196995783cbe8a4519.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regiis.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3616 wrote to memory of 732 N/A C:\Users\Admin\AppData\Local\Temp\8d59ab8245f380aa60471522eea024f4336e791b676b30196995783cbe8a4519.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regiis.exe
PID 3616 wrote to memory of 732 N/A C:\Users\Admin\AppData\Local\Temp\8d59ab8245f380aa60471522eea024f4336e791b676b30196995783cbe8a4519.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regiis.exe
PID 3616 wrote to memory of 732 N/A C:\Users\Admin\AppData\Local\Temp\8d59ab8245f380aa60471522eea024f4336e791b676b30196995783cbe8a4519.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regiis.exe
PID 3616 wrote to memory of 732 N/A C:\Users\Admin\AppData\Local\Temp\8d59ab8245f380aa60471522eea024f4336e791b676b30196995783cbe8a4519.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regiis.exe
PID 3616 wrote to memory of 732 N/A C:\Users\Admin\AppData\Local\Temp\8d59ab8245f380aa60471522eea024f4336e791b676b30196995783cbe8a4519.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regiis.exe
PID 3616 wrote to memory of 732 N/A C:\Users\Admin\AppData\Local\Temp\8d59ab8245f380aa60471522eea024f4336e791b676b30196995783cbe8a4519.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regiis.exe
PID 3616 wrote to memory of 732 N/A C:\Users\Admin\AppData\Local\Temp\8d59ab8245f380aa60471522eea024f4336e791b676b30196995783cbe8a4519.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regiis.exe
PID 3616 wrote to memory of 732 N/A C:\Users\Admin\AppData\Local\Temp\8d59ab8245f380aa60471522eea024f4336e791b676b30196995783cbe8a4519.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regiis.exe
PID 3616 wrote to memory of 732 N/A C:\Users\Admin\AppData\Local\Temp\8d59ab8245f380aa60471522eea024f4336e791b676b30196995783cbe8a4519.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regiis.exe
PID 3616 wrote to memory of 732 N/A C:\Users\Admin\AppData\Local\Temp\8d59ab8245f380aa60471522eea024f4336e791b676b30196995783cbe8a4519.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regiis.exe
PID 3616 wrote to memory of 732 N/A C:\Users\Admin\AppData\Local\Temp\8d59ab8245f380aa60471522eea024f4336e791b676b30196995783cbe8a4519.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regiis.exe
PID 732 wrote to memory of 556 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regiis.exe C:\Windows\SysWOW64\openwith.exe
PID 732 wrote to memory of 556 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regiis.exe C:\Windows\SysWOW64\openwith.exe
PID 732 wrote to memory of 556 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regiis.exe C:\Windows\SysWOW64\openwith.exe
PID 732 wrote to memory of 556 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regiis.exe C:\Windows\SysWOW64\openwith.exe
PID 732 wrote to memory of 556 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regiis.exe C:\Windows\SysWOW64\openwith.exe

Processes

C:\Windows\system32\sihost.exe

sihost.exe

C:\Users\Admin\AppData\Local\Temp\8d59ab8245f380aa60471522eea024f4336e791b676b30196995783cbe8a4519.exe

"C:\Users\Admin\AppData\Local\Temp\8d59ab8245f380aa60471522eea024f4336e791b676b30196995783cbe8a4519.exe"

C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regiis.exe

"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regiis.exe"

C:\Windows\SysWOW64\openwith.exe

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

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 732 -ip 732

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 732 -s 436

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 732 -ip 732

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 732 -s 432

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 71.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 56.163.245.4.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 75.117.19.2.in-addr.arpa udp
US 8.8.8.8:53 69.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp

Files

memory/3616-0-0x000000007443E000-0x000000007443F000-memory.dmp

memory/3616-1-0x0000000000170000-0x00000000001E8000-memory.dmp

memory/3616-2-0x00000000024A0000-0x00000000024A6000-memory.dmp

C:\Users\Admin\AppData\Roaming\msvcp110.dll

MD5 a91ea405d77ddbcd0516c533cf16bc82
SHA1 cb8011380d17074671a164b58975abffbf0f0daf
SHA256 385640a86350eac4b8a5ec83b75fb5bcb6f5de12a9338b1d1296e3ba09f7ad41
SHA512 4390584749bf06a685bcdb9e16a9c700de396e6c183a7ceebe622f84d241af93d363fa15a80e072b61472f8d5cb4f783208b81a5668bbd8cefae483d395d35f0

memory/3616-3-0x0000000074430000-0x0000000074BE0000-memory.dmp

memory/732-11-0x0000000000400000-0x000000000047E000-memory.dmp

memory/732-12-0x0000000000400000-0x000000000047E000-memory.dmp

memory/3616-10-0x0000000074430000-0x0000000074BE0000-memory.dmp

memory/732-16-0x0000000000400000-0x000000000047E000-memory.dmp

memory/732-13-0x0000000000400000-0x000000000047E000-memory.dmp

memory/3616-15-0x0000000074430000-0x0000000074BE0000-memory.dmp

memory/732-17-0x0000000003E40000-0x0000000004240000-memory.dmp

memory/732-18-0x0000000003E40000-0x0000000004240000-memory.dmp

memory/732-19-0x0000000003E40000-0x0000000004240000-memory.dmp

memory/732-22-0x0000000075070000-0x0000000075285000-memory.dmp

memory/732-23-0x0000000003E40000-0x0000000004240000-memory.dmp

memory/556-24-0x0000000000F30000-0x0000000000F39000-memory.dmp

memory/732-20-0x00007FFB52610000-0x00007FFB52805000-memory.dmp

memory/556-26-0x0000000002D90000-0x0000000003190000-memory.dmp

memory/556-27-0x0000000002D90000-0x0000000003190000-memory.dmp

memory/556-30-0x0000000075070000-0x0000000075285000-memory.dmp

memory/556-31-0x0000000002D90000-0x0000000003190000-memory.dmp

memory/556-28-0x00007FFB52610000-0x00007FFB52805000-memory.dmp

memory/732-32-0x0000000003E40000-0x0000000004240000-memory.dmp

memory/556-33-0x0000000002D90000-0x0000000003190000-memory.dmp