Malware Analysis Report

2024-11-30 02:24

Sample ID 241102-jlyxfsslar
Target b1a7d59539e789763e967266520191c1c5e76671d3955caf69eb8491952b14d9.exe
SHA256 b1a7d59539e789763e967266520191c1c5e76671d3955caf69eb8491952b14d9
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: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

b1a7d59539e789763e967266520191c1c5e76671d3955caf69eb8491952b14d9

Threat Level: Known bad

The file b1a7d59539e789763e967266520191c1c5e76671d3955caf69eb8491952b14d9.exe was found to be: Known bad.

Malicious Activity Summary

rhadamanthys discovery stealer

Rhadamanthys

Rhadamanthys family

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-02 07:46

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-02 07:46

Reported

2024-11-02 07:48

Platform

win7-20241010-en

Max time kernel

121s

Max time network

125s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b1a7d59539e789763e967266520191c1c5e76671d3955caf69eb8491952b14d9.exe"

Signatures

Rhadamanthys

stealer rhadamanthys

Rhadamanthys family

rhadamanthys

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\b1a7d59539e789763e967266520191c1c5e76671d3955caf69eb8491952b14d9.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\b1a7d59539e789763e967266520191c1c5e76671d3955caf69eb8491952b14d9.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3032 wrote to memory of 2928 N/A C:\Users\Admin\AppData\Local\Temp\b1a7d59539e789763e967266520191c1c5e76671d3955caf69eb8491952b14d9.exe C:\Users\Admin\AppData\Local\Temp\b1a7d59539e789763e967266520191c1c5e76671d3955caf69eb8491952b14d9.exe
PID 3032 wrote to memory of 2928 N/A C:\Users\Admin\AppData\Local\Temp\b1a7d59539e789763e967266520191c1c5e76671d3955caf69eb8491952b14d9.exe C:\Users\Admin\AppData\Local\Temp\b1a7d59539e789763e967266520191c1c5e76671d3955caf69eb8491952b14d9.exe
PID 3032 wrote to memory of 2928 N/A C:\Users\Admin\AppData\Local\Temp\b1a7d59539e789763e967266520191c1c5e76671d3955caf69eb8491952b14d9.exe C:\Users\Admin\AppData\Local\Temp\b1a7d59539e789763e967266520191c1c5e76671d3955caf69eb8491952b14d9.exe
PID 3032 wrote to memory of 2928 N/A C:\Users\Admin\AppData\Local\Temp\b1a7d59539e789763e967266520191c1c5e76671d3955caf69eb8491952b14d9.exe C:\Users\Admin\AppData\Local\Temp\b1a7d59539e789763e967266520191c1c5e76671d3955caf69eb8491952b14d9.exe
PID 3032 wrote to memory of 2928 N/A C:\Users\Admin\AppData\Local\Temp\b1a7d59539e789763e967266520191c1c5e76671d3955caf69eb8491952b14d9.exe C:\Users\Admin\AppData\Local\Temp\b1a7d59539e789763e967266520191c1c5e76671d3955caf69eb8491952b14d9.exe
PID 3032 wrote to memory of 2928 N/A C:\Users\Admin\AppData\Local\Temp\b1a7d59539e789763e967266520191c1c5e76671d3955caf69eb8491952b14d9.exe C:\Users\Admin\AppData\Local\Temp\b1a7d59539e789763e967266520191c1c5e76671d3955caf69eb8491952b14d9.exe

Processes

C:\Users\Admin\AppData\Local\Temp\b1a7d59539e789763e967266520191c1c5e76671d3955caf69eb8491952b14d9.exe

"C:\Users\Admin\AppData\Local\Temp\b1a7d59539e789763e967266520191c1c5e76671d3955caf69eb8491952b14d9.exe"

C:\Users\Admin\AppData\Local\Temp\b1a7d59539e789763e967266520191c1c5e76671d3955caf69eb8491952b14d9.exe

"C:\Users\Admin\AppData\Local\Temp\b1a7d59539e789763e967266520191c1c5e76671d3955caf69eb8491952b14d9.exe"

Network

N/A

Files

memory/3032-0-0x0000000000400000-0x00000000006E1000-memory.dmp

memory/3032-1-0x0000000000409000-0x0000000000422000-memory.dmp

memory/3032-3-0x0000000000400000-0x00000000006E1000-memory.dmp

memory/3032-2-0x0000000000400000-0x00000000006E1000-memory.dmp

memory/3032-5-0x0000000000400000-0x00000000006E1000-memory.dmp

memory/3032-8-0x0000000000400000-0x00000000006E1000-memory.dmp

memory/3032-6-0x0000000000400000-0x00000000006E1000-memory.dmp

memory/3032-19-0x0000000000676000-0x0000000000682000-memory.dmp

memory/3032-18-0x0000000000400000-0x00000000006E1000-memory.dmp

memory/3032-17-0x0000000000409000-0x0000000000422000-memory.dmp

memory/3032-14-0x0000000000400000-0x00000000006E1000-memory.dmp

memory/2928-13-0x00000000001B0000-0x000000000022E000-memory.dmp

memory/2928-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2928-9-0x00000000001B0000-0x000000000022E000-memory.dmp

memory/2928-22-0x0000000000400000-0x00000000006E1000-memory.dmp

memory/2928-21-0x00000000001B0000-0x000000000022E000-memory.dmp

memory/2928-23-0x00000000001B0000-0x000000000022E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-02 07:46

Reported

2024-11-02 07:48

Platform

win10v2004-20241007-en

Max time kernel

133s

Max time network

139s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b1a7d59539e789763e967266520191c1c5e76671d3955caf69eb8491952b14d9.exe"

Signatures

Rhadamanthys

stealer rhadamanthys

Rhadamanthys family

rhadamanthys

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\b1a7d59539e789763e967266520191c1c5e76671d3955caf69eb8491952b14d9.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\b1a7d59539e789763e967266520191c1c5e76671d3955caf69eb8491952b14d9.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b1a7d59539e789763e967266520191c1c5e76671d3955caf69eb8491952b14d9.exe

"C:\Users\Admin\AppData\Local\Temp\b1a7d59539e789763e967266520191c1c5e76671d3955caf69eb8491952b14d9.exe"

C:\Users\Admin\AppData\Local\Temp\b1a7d59539e789763e967266520191c1c5e76671d3955caf69eb8491952b14d9.exe

"C:\Users\Admin\AppData\Local\Temp\b1a7d59539e789763e967266520191c1c5e76671d3955caf69eb8491952b14d9.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 150.171.27.10:443 g.bing.com tcp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 68.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 107.12.20.2.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp

Files

memory/3692-0-0x0000000000400000-0x00000000006E1000-memory.dmp

memory/3692-2-0x0000000000409000-0x0000000000422000-memory.dmp

memory/3692-5-0x0000000000400000-0x00000000006E1000-memory.dmp

memory/3692-6-0x0000000000400000-0x00000000006E1000-memory.dmp

memory/3692-16-0x00000000006C1000-0x00000000006E1000-memory.dmp

memory/3692-19-0x0000000000695000-0x00000000006C2000-memory.dmp

memory/1372-20-0x0000000000400000-0x00000000006E1000-memory.dmp

memory/3692-18-0x000000000068C000-0x00000000006C2000-memory.dmp

memory/3692-17-0x0000000000688000-0x000000000068D000-memory.dmp

memory/3692-15-0x0000000000676000-0x0000000000682000-memory.dmp

memory/3692-14-0x0000000000409000-0x0000000000422000-memory.dmp

memory/1372-12-0x00000000006F0000-0x000000000076E000-memory.dmp

memory/1372-11-0x00000000006F0000-0x000000000076E000-memory.dmp

memory/3692-9-0x0000000000400000-0x00000000006E1000-memory.dmp

memory/1372-7-0x00000000006F0000-0x000000000076E000-memory.dmp

memory/3692-10-0x0000000000400000-0x00000000006E1000-memory.dmp

memory/3692-4-0x0000000000400000-0x00000000006E1000-memory.dmp

memory/3692-3-0x0000000000400000-0x00000000006E1000-memory.dmp

memory/3692-1-0x0000000000400000-0x00000000006E1000-memory.dmp

memory/1372-21-0x00000000006F0000-0x000000000076E000-memory.dmp