Malware Analysis Report

2024-11-15 06:02

Sample ID 240923-k5827stcln
Target exe_unpacked
SHA256 cc8b0af0cd9c2a09c33e266729d526f64e147901710140596942726c68ca820f
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

cc8b0af0cd9c2a09c33e266729d526f64e147901710140596942726c68ca820f

Threat Level: Known bad

The file exe_unpacked was found to be: Known bad.

Malicious Activity Summary

rhadamanthys discovery stealer

Rhadamanthys family

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

2024-09-23 09:12

Signatures

Rhadamanthys family

rhadamanthys

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-23 09:12

Reported

2024-09-23 09:14

Platform

win10-20240404-en

Max time kernel

132s

Max time network

136s

Command Line

sihost.exe

Signatures

Rhadamanthys

stealer rhadamanthys

Suspicious use of NtCreateUserProcessOtherParentProcess

Description Indicator Process Target
PID 60 created 3136 N/A C:\Users\Admin\AppData\Local\Temp\exe_unpacked.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\exe_unpacked.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\exe_unpacked.exe

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

C:\Windows\SysWOW64\dialer.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 21.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 85.65.42.20.in-addr.arpa udp

Files

memory/60-0-0x0000000001220000-0x000000000128D000-memory.dmp

memory/60-1-0x0000000004130000-0x0000000004530000-memory.dmp

memory/60-3-0x0000000004130000-0x0000000004530000-memory.dmp

memory/60-2-0x0000000004130000-0x0000000004530000-memory.dmp

memory/60-4-0x00007FFC61BA0000-0x00007FFC61D7B000-memory.dmp

memory/60-5-0x0000000004130000-0x0000000004530000-memory.dmp

memory/60-6-0x00007FFC61BA1000-0x00007FFC61CAF000-memory.dmp

memory/60-8-0x0000000076030000-0x00000000761F2000-memory.dmp

memory/224-9-0x00000000003A0000-0x00000000003A9000-memory.dmp

memory/60-10-0x0000000001220000-0x000000000128D000-memory.dmp

memory/224-12-0x0000000003FE0000-0x00000000043E0000-memory.dmp

memory/224-16-0x0000000076030000-0x00000000761F2000-memory.dmp

memory/224-17-0x00007FFC61BA0000-0x00007FFC61D7B000-memory.dmp

memory/224-13-0x00007FFC61BA0000-0x00007FFC61D7B000-memory.dmp