Malware Analysis Report

2024-11-30 02:19

Sample ID 241120-w6sx6a1lfv
Target raccountinfo.exe
SHA256 6e1eae1956b88b63424332497efd90f7eb9473d0149cd0950fd2267499274242
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 Overview

score
10/10

SHA256

6e1eae1956b88b63424332497efd90f7eb9473d0149cd0950fd2267499274242

Threat Level: Known bad

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

Malicious Activity Summary

rhadamanthys discovery stealer

Rhadamanthys

Rhadamanthys family

Suspicious use of NtCreateUserProcessOtherParentProcess

System Location Discovery: System Language Discovery

Program crash

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-20 18:32

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-20 18:32

Reported

2024-11-20 18:34

Platform

win10v2004-20241007-en

Max time kernel

97s

Max time network

99s

Command Line

sihost.exe

Signatures

Rhadamanthys

stealer rhadamanthys

Rhadamanthys family

rhadamanthys

Suspicious use of NtCreateUserProcessOtherParentProcess

Description Indicator Process Target
PID 3564 created 2508 N/A C:\Users\Admin\AppData\Local\Temp\raccountinfo.exe C:\Windows\system32\sihost.exe

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Users\Admin\AppData\Local\Temp\raccountinfo.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\raccountinfo.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\raccountinfo.exe

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

C:\Windows\SysWOW64\openwith.exe

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

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3564 -ip 3564

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3564 -s 724

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 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 73.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 35.34.16.2.in-addr.arpa udp
US 8.8.8.8:53 218.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 219.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp

Files

memory/3564-0-0x0000000002520000-0x000000000259E000-memory.dmp

memory/3564-1-0x00000000036B0000-0x0000000003AB0000-memory.dmp

memory/3564-2-0x00000000036B0000-0x0000000003AB0000-memory.dmp

memory/3564-3-0x00000000036B0000-0x0000000003AB0000-memory.dmp

memory/3564-7-0x0000000076150000-0x0000000076365000-memory.dmp

memory/3564-6-0x00000000036B0000-0x0000000003AB0000-memory.dmp

memory/3564-4-0x00007FFA3ECD0000-0x00007FFA3EEC5000-memory.dmp

memory/1012-8-0x0000000000770000-0x0000000000779000-memory.dmp

memory/1012-11-0x0000000002540000-0x0000000002940000-memory.dmp

memory/1012-12-0x00007FFA3ECD0000-0x00007FFA3EEC5000-memory.dmp

memory/1012-15-0x0000000076150000-0x0000000076365000-memory.dmp

memory/1012-14-0x0000000002540000-0x0000000002940000-memory.dmp

memory/1012-10-0x0000000002540000-0x0000000002940000-memory.dmp

memory/3564-16-0x00000000036B0000-0x0000000003AB0000-memory.dmp

memory/1012-17-0x0000000002540000-0x0000000002940000-memory.dmp