Malware Analysis Report

2024-10-10 13:34

Sample ID 240518-1rgzkaab43
Target 5e615221495fb040e68ca90042c5ce4aa01b684baccc647b4043c063c5e7f837
SHA256 5e615221495fb040e68ca90042c5ce4aa01b684baccc647b4043c063c5e7f837
Tags
rhadamanthys stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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

5e615221495fb040e68ca90042c5ce4aa01b684baccc647b4043c063c5e7f837

Threat Level: Known bad

The file 5e615221495fb040e68ca90042c5ce4aa01b684baccc647b4043c063c5e7f837 was found to be: Known bad.

Malicious Activity Summary

rhadamanthys stealer

Rhadamanthys

Suspicious use of NtCreateUserProcessOtherParentProcess

Suspicious use of SetThreadContext

Program crash

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-05-18 21:52

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-18 21:52

Reported

2024-05-18 21:55

Platform

win7-20240221-en

Max time kernel

121s

Max time network

129s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5e615221495fb040e68ca90042c5ce4aa01b684baccc647b4043c063c5e7f837.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\5e615221495fb040e68ca90042c5ce4aa01b684baccc647b4043c063c5e7f837.exe

"C:\Users\Admin\AppData\Local\Temp\5e615221495fb040e68ca90042c5ce4aa01b684baccc647b4043c063c5e7f837.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2808 -s 96

Network

N/A

Files

memory/2808-0-0x00000000000E0000-0x00000000000E1000-memory.dmp

memory/2808-1-0x00000000000E0000-0x00000000000E1000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-18 21:52

Reported

2024-05-18 21:55

Platform

win10v2004-20240508-en

Max time kernel

144s

Max time network

130s

Command Line

sihost.exe

Signatures

Rhadamanthys

stealer rhadamanthys

Suspicious use of NtCreateUserProcessOtherParentProcess

Description Indicator Process Target
PID 4976 created 2580 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe C:\Windows\system32\sihost.exe

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2948 set thread context of 4976 N/A C:\Users\Admin\AppData\Local\Temp\5e615221495fb040e68ca90042c5ce4aa01b684baccc647b4043c063c5e7f837.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2948 wrote to memory of 4976 N/A C:\Users\Admin\AppData\Local\Temp\5e615221495fb040e68ca90042c5ce4aa01b684baccc647b4043c063c5e7f837.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2948 wrote to memory of 4976 N/A C:\Users\Admin\AppData\Local\Temp\5e615221495fb040e68ca90042c5ce4aa01b684baccc647b4043c063c5e7f837.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2948 wrote to memory of 4976 N/A C:\Users\Admin\AppData\Local\Temp\5e615221495fb040e68ca90042c5ce4aa01b684baccc647b4043c063c5e7f837.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2948 wrote to memory of 4976 N/A C:\Users\Admin\AppData\Local\Temp\5e615221495fb040e68ca90042c5ce4aa01b684baccc647b4043c063c5e7f837.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2948 wrote to memory of 4976 N/A C:\Users\Admin\AppData\Local\Temp\5e615221495fb040e68ca90042c5ce4aa01b684baccc647b4043c063c5e7f837.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2948 wrote to memory of 4976 N/A C:\Users\Admin\AppData\Local\Temp\5e615221495fb040e68ca90042c5ce4aa01b684baccc647b4043c063c5e7f837.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2948 wrote to memory of 4976 N/A C:\Users\Admin\AppData\Local\Temp\5e615221495fb040e68ca90042c5ce4aa01b684baccc647b4043c063c5e7f837.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2948 wrote to memory of 4976 N/A C:\Users\Admin\AppData\Local\Temp\5e615221495fb040e68ca90042c5ce4aa01b684baccc647b4043c063c5e7f837.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2948 wrote to memory of 4976 N/A C:\Users\Admin\AppData\Local\Temp\5e615221495fb040e68ca90042c5ce4aa01b684baccc647b4043c063c5e7f837.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2948 wrote to memory of 4976 N/A C:\Users\Admin\AppData\Local\Temp\5e615221495fb040e68ca90042c5ce4aa01b684baccc647b4043c063c5e7f837.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2948 wrote to memory of 4976 N/A C:\Users\Admin\AppData\Local\Temp\5e615221495fb040e68ca90042c5ce4aa01b684baccc647b4043c063c5e7f837.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 4976 wrote to memory of 2132 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe C:\Windows\SysWOW64\dialer.exe
PID 4976 wrote to memory of 2132 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe C:\Windows\SysWOW64\dialer.exe
PID 4976 wrote to memory of 2132 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe C:\Windows\SysWOW64\dialer.exe
PID 4976 wrote to memory of 2132 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe C:\Windows\SysWOW64\dialer.exe
PID 4976 wrote to memory of 2132 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe C:\Windows\SysWOW64\dialer.exe

Processes

C:\Windows\system32\sihost.exe

sihost.exe

C:\Users\Admin\AppData\Local\Temp\5e615221495fb040e68ca90042c5ce4aa01b684baccc647b4043c063c5e7f837.exe

"C:\Users\Admin\AppData\Local\Temp\5e615221495fb040e68ca90042c5ce4aa01b684baccc647b4043c063c5e7f837.exe"

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

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

C:\Windows\SysWOW64\dialer.exe

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

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4976 -ip 4976

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4976 -s 596

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 4976 -ip 4976

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4976 -s 592

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4436,i,7012731823941922179,12386606396608877869,262144 --variations-seed-version --mojo-platform-channel-handle=4024 /prefetch:8

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 91.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 133.32.126.40.in-addr.arpa udp
BE 2.17.196.177:443 www.bing.com tcp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 177.196.17.2.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 200.131.50.23.in-addr.arpa udp
US 8.8.8.8:53 82.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp

Files

memory/2948-0-0x0000000000A90000-0x0000000000A91000-memory.dmp

memory/2948-1-0x0000000000A90000-0x0000000000A91000-memory.dmp

memory/4976-2-0x0000000000400000-0x000000000046D000-memory.dmp

memory/4976-5-0x0000000000400000-0x000000000046D000-memory.dmp

memory/4976-6-0x0000000000400000-0x000000000046D000-memory.dmp

memory/4976-7-0x0000000003D70000-0x0000000004170000-memory.dmp

memory/4976-8-0x0000000003D70000-0x0000000004170000-memory.dmp

memory/4976-9-0x0000000003D70000-0x0000000004170000-memory.dmp

memory/4976-10-0x00007FF9AED30000-0x00007FF9AEF25000-memory.dmp

memory/4976-13-0x0000000076750000-0x0000000076965000-memory.dmp

memory/4976-12-0x0000000003D70000-0x0000000004170000-memory.dmp

memory/2132-14-0x00000000004F0000-0x00000000004F9000-memory.dmp

memory/4976-16-0x0000000003D70000-0x0000000004170000-memory.dmp

memory/2132-17-0x0000000002170000-0x0000000002570000-memory.dmp

memory/2132-19-0x00007FF9AED30000-0x00007FF9AEF25000-memory.dmp

memory/2132-18-0x0000000002170000-0x0000000002570000-memory.dmp

memory/2132-21-0x0000000076750000-0x0000000076965000-memory.dmp

memory/2132-22-0x0000000002170000-0x0000000002570000-memory.dmp

memory/2132-23-0x0000000002170000-0x0000000002570000-memory.dmp