Malware Analysis Report

2024-11-13 13:53

Sample ID 240913-c591hazfqg
Target Software_Setup.exe
SHA256 589b622872cef5c5ca4af70a9bba031ee462e555e83213bd73c7511af550e417
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

589b622872cef5c5ca4af70a9bba031ee462e555e83213bd73c7511af550e417

Threat Level: Known bad

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

Malicious Activity Summary

rhadamanthys discovery stealer

Rhadamanthys

Suspicious use of NtCreateUserProcessOtherParentProcess

Legitimate hosting services abused for malware hosting/C2

Suspicious use of SetThreadContext

Program crash

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-13 02:40

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-13 02:40

Reported

2024-09-13 02:41

Platform

win11-20240802-en

Max time kernel

5s

Max time network

8s

Command Line

sihost.exe

Signatures

Rhadamanthys

stealer rhadamanthys

Suspicious use of NtCreateUserProcessOtherParentProcess

Description Indicator Process Target
PID 4864 created 2860 N/A C:\Windows\winhlp32.exe C:\Windows\system32\sihost.exe

Legitimate hosting services abused for malware hosting/C2

Description Indicator Process Target
N/A bitbucket.org N/A N/A
N/A bitbucket.org N/A N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 3768 set thread context of 4864 N/A C:\Users\Admin\AppData\Local\Temp\Software_Setup.exe C:\Windows\winhlp32.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\Software_Setup.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\winhlp32.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\openwith.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\winhlp32.exe N/A
N/A N/A C:\Windows\winhlp32.exe N/A
N/A N/A C:\Windows\SysWOW64\openwith.exe N/A
N/A N/A C:\Windows\SysWOW64\openwith.exe N/A
N/A N/A C:\Windows\SysWOW64\openwith.exe N/A
N/A N/A C:\Windows\SysWOW64\openwith.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3768 wrote to memory of 4864 N/A C:\Users\Admin\AppData\Local\Temp\Software_Setup.exe C:\Windows\winhlp32.exe
PID 3768 wrote to memory of 4864 N/A C:\Users\Admin\AppData\Local\Temp\Software_Setup.exe C:\Windows\winhlp32.exe
PID 3768 wrote to memory of 4864 N/A C:\Users\Admin\AppData\Local\Temp\Software_Setup.exe C:\Windows\winhlp32.exe
PID 3768 wrote to memory of 4864 N/A C:\Users\Admin\AppData\Local\Temp\Software_Setup.exe C:\Windows\winhlp32.exe
PID 3768 wrote to memory of 4864 N/A C:\Users\Admin\AppData\Local\Temp\Software_Setup.exe C:\Windows\winhlp32.exe
PID 3768 wrote to memory of 4864 N/A C:\Users\Admin\AppData\Local\Temp\Software_Setup.exe C:\Windows\winhlp32.exe
PID 3768 wrote to memory of 4864 N/A C:\Users\Admin\AppData\Local\Temp\Software_Setup.exe C:\Windows\winhlp32.exe
PID 3768 wrote to memory of 4864 N/A C:\Users\Admin\AppData\Local\Temp\Software_Setup.exe C:\Windows\winhlp32.exe
PID 3768 wrote to memory of 4864 N/A C:\Users\Admin\AppData\Local\Temp\Software_Setup.exe C:\Windows\winhlp32.exe
PID 3768 wrote to memory of 4864 N/A C:\Users\Admin\AppData\Local\Temp\Software_Setup.exe C:\Windows\winhlp32.exe
PID 4864 wrote to memory of 3752 N/A C:\Windows\winhlp32.exe C:\Windows\SysWOW64\openwith.exe
PID 4864 wrote to memory of 3752 N/A C:\Windows\winhlp32.exe C:\Windows\SysWOW64\openwith.exe
PID 4864 wrote to memory of 3752 N/A C:\Windows\winhlp32.exe C:\Windows\SysWOW64\openwith.exe
PID 4864 wrote to memory of 3752 N/A C:\Windows\winhlp32.exe C:\Windows\SysWOW64\openwith.exe
PID 4864 wrote to memory of 3752 N/A C:\Windows\winhlp32.exe C:\Windows\SysWOW64\openwith.exe

Processes

C:\Windows\system32\sihost.exe

sihost.exe

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

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

C:\Windows\winhlp32.exe

"C:\Windows\winhlp32.exe"

C:\Windows\SysWOW64\openwith.exe

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

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4864 -ip 4864

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4864 -s 460

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 4864 -ip 4864

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4864 -s 456

Network

Country Destination Domain Proto
US 8.8.8.8:53 bitbucket.org udp
IE 185.166.142.22:443 bitbucket.org tcp

Files

memory/4864-8-0x0000000000400000-0x000000000047E000-memory.dmp

memory/4864-9-0x0000000000400000-0x000000000047E000-memory.dmp

memory/4864-10-0x0000000000400000-0x000000000047E000-memory.dmp

memory/4864-11-0x0000000000400000-0x000000000047E000-memory.dmp

memory/4864-12-0x00000000039A0000-0x0000000003DA0000-memory.dmp

memory/4864-13-0x00000000039A0000-0x0000000003DA0000-memory.dmp

memory/4864-14-0x00000000039A0000-0x0000000003DA0000-memory.dmp

memory/4864-18-0x0000000075400000-0x0000000075652000-memory.dmp

memory/3752-20-0x0000000000360000-0x0000000000369000-memory.dmp

memory/4864-19-0x00007FFD11861000-0x00007FFD1198A000-memory.dmp

memory/4864-15-0x00007FFD11860000-0x00007FFD11A69000-memory.dmp

memory/4864-17-0x00000000039A0000-0x0000000003DA0000-memory.dmp

memory/3752-25-0x0000000075400000-0x0000000075652000-memory.dmp

memory/3752-23-0x00007FFD11860000-0x00007FFD11A69000-memory.dmp

memory/3752-22-0x0000000002310000-0x0000000002710000-memory.dmp

memory/4864-26-0x00000000039A0000-0x0000000003DA0000-memory.dmp