Malware Analysis Report

2024-11-30 02:18

Sample ID 241102-yh1dfatfqq
Target github.zip
SHA256 c327fafdbfb1735c868a7c487e7550ae7f4425cd8b818345881b0b4d8f596442
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

c327fafdbfb1735c868a7c487e7550ae7f4425cd8b818345881b0b4d8f596442

Threat Level: Known bad

The file github.zip was found to be: Known bad.

Malicious Activity Summary

rhadamanthys discovery stealer

Rhadamanthys

Rhadamanthys family

Suspicious use of NtCreateUserProcessOtherParentProcess

Suspicious use of SetThreadContext

Unsigned PE

Program crash

System Location Discovery: System Language Discovery

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-02 19:47

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-02 19:47

Reported

2024-11-02 19:49

Platform

win10v2004-20241007-en

Max time kernel

11s

Max time network

13s

Command Line

sihost.exe

Signatures

Rhadamanthys

stealer rhadamanthys

Rhadamanthys family

rhadamanthys

Suspicious use of NtCreateUserProcessOtherParentProcess

Description Indicator Process Target
PID 932 created 2832 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 1912 set thread context of 932 N/A C:\Users\Admin\AppData\Local\Temp\github\setup.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.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\github\setup.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\dialer.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1912 wrote to memory of 828 N/A C:\Users\Admin\AppData\Local\Temp\github\setup.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1912 wrote to memory of 828 N/A C:\Users\Admin\AppData\Local\Temp\github\setup.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1912 wrote to memory of 828 N/A C:\Users\Admin\AppData\Local\Temp\github\setup.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1912 wrote to memory of 1560 N/A C:\Users\Admin\AppData\Local\Temp\github\setup.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1912 wrote to memory of 1560 N/A C:\Users\Admin\AppData\Local\Temp\github\setup.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1912 wrote to memory of 1560 N/A C:\Users\Admin\AppData\Local\Temp\github\setup.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1912 wrote to memory of 932 N/A C:\Users\Admin\AppData\Local\Temp\github\setup.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1912 wrote to memory of 932 N/A C:\Users\Admin\AppData\Local\Temp\github\setup.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1912 wrote to memory of 932 N/A C:\Users\Admin\AppData\Local\Temp\github\setup.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1912 wrote to memory of 932 N/A C:\Users\Admin\AppData\Local\Temp\github\setup.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1912 wrote to memory of 932 N/A C:\Users\Admin\AppData\Local\Temp\github\setup.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1912 wrote to memory of 932 N/A C:\Users\Admin\AppData\Local\Temp\github\setup.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1912 wrote to memory of 932 N/A C:\Users\Admin\AppData\Local\Temp\github\setup.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1912 wrote to memory of 932 N/A C:\Users\Admin\AppData\Local\Temp\github\setup.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1912 wrote to memory of 932 N/A C:\Users\Admin\AppData\Local\Temp\github\setup.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1912 wrote to memory of 932 N/A C:\Users\Admin\AppData\Local\Temp\github\setup.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1912 wrote to memory of 932 N/A C:\Users\Admin\AppData\Local\Temp\github\setup.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 932 wrote to memory of 1796 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe C:\Windows\SysWOW64\dialer.exe
PID 932 wrote to memory of 1796 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe C:\Windows\SysWOW64\dialer.exe
PID 932 wrote to memory of 1796 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe C:\Windows\SysWOW64\dialer.exe
PID 932 wrote to memory of 1796 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe C:\Windows\SysWOW64\dialer.exe
PID 932 wrote to memory of 1796 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\github\setup.exe

"C:\Users\Admin\AppData\Local\Temp\github\setup.exe"

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

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

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

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

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

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

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 1912 -ip 1912

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1912 -s 1092

C:\Windows\SysWOW64\dialer.exe

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

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 932 -ip 932

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 932 -s 612

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 932 -ip 932

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 932 -s 604

Network

Country Destination Domain Proto
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 72.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 138.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp

Files

memory/1912-0-0x0000000073E5E000-0x0000000073E5F000-memory.dmp

memory/1912-1-0x0000000000930000-0x0000000000992000-memory.dmp

memory/932-4-0x0000000000400000-0x000000000046D000-memory.dmp

memory/932-7-0x0000000000400000-0x000000000046D000-memory.dmp

memory/932-9-0x0000000000400000-0x000000000046D000-memory.dmp

memory/1912-8-0x0000000073E50000-0x0000000074600000-memory.dmp

memory/1912-10-0x0000000073E50000-0x0000000074600000-memory.dmp

memory/932-11-0x0000000003DF0000-0x00000000041F0000-memory.dmp

memory/932-13-0x0000000003DF0000-0x00000000041F0000-memory.dmp

memory/932-14-0x0000000003DF0000-0x00000000041F0000-memory.dmp

memory/932-12-0x0000000003DF0000-0x00000000041F0000-memory.dmp

memory/932-15-0x00007FFDDEB50000-0x00007FFDDED45000-memory.dmp

memory/932-17-0x0000000076AF0000-0x0000000076D05000-memory.dmp

memory/1796-18-0x0000000000710000-0x0000000000719000-memory.dmp

memory/1796-21-0x0000000002610000-0x0000000002A10000-memory.dmp

memory/1796-25-0x0000000002610000-0x0000000002A10000-memory.dmp

memory/1796-24-0x0000000076AF0000-0x0000000076D05000-memory.dmp

memory/932-26-0x0000000003DF0000-0x00000000041F0000-memory.dmp

memory/1796-22-0x00007FFDDEB50000-0x00007FFDDED45000-memory.dmp

memory/1796-27-0x0000000002610000-0x0000000002A10000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-02 19:47

Reported

2024-11-02 19:49

Platform

win11-20241007-en

Max time kernel

3s

Max time network

7s

Command Line

"C:\Users\Admin\AppData\Local\Temp\github\setup.exe"

Signatures

Rhadamanthys

stealer rhadamanthys

Rhadamanthys family

rhadamanthys

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1564 set thread context of 4812 N/A C:\Users\Admin\AppData\Local\Temp\github\setup.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Users\Admin\AppData\Local\Temp\github\setup.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\github\setup.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1564 wrote to memory of 4812 N/A C:\Users\Admin\AppData\Local\Temp\github\setup.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1564 wrote to memory of 4812 N/A C:\Users\Admin\AppData\Local\Temp\github\setup.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1564 wrote to memory of 4812 N/A C:\Users\Admin\AppData\Local\Temp\github\setup.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1564 wrote to memory of 4812 N/A C:\Users\Admin\AppData\Local\Temp\github\setup.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1564 wrote to memory of 4812 N/A C:\Users\Admin\AppData\Local\Temp\github\setup.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1564 wrote to memory of 4812 N/A C:\Users\Admin\AppData\Local\Temp\github\setup.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1564 wrote to memory of 4812 N/A C:\Users\Admin\AppData\Local\Temp\github\setup.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1564 wrote to memory of 4812 N/A C:\Users\Admin\AppData\Local\Temp\github\setup.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1564 wrote to memory of 4812 N/A C:\Users\Admin\AppData\Local\Temp\github\setup.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1564 wrote to memory of 4812 N/A C:\Users\Admin\AppData\Local\Temp\github\setup.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1564 wrote to memory of 4812 N/A C:\Users\Admin\AppData\Local\Temp\github\setup.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe

Processes

C:\Users\Admin\AppData\Local\Temp\github\setup.exe

"C:\Users\Admin\AppData\Local\Temp\github\setup.exe"

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

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

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1564 -ip 1564

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1564 -s 1072

Network

Country Destination Domain Proto
US 8.8.8.8:53 71.31.126.40.in-addr.arpa udp
N/A 20.199.58.43:443 tcp
N/A 20.199.58.43:443 tcp
SE 192.229.221.95:80 tcp

Files

memory/1564-0-0x00000000743BE000-0x00000000743BF000-memory.dmp

memory/1564-1-0x0000000000EC0000-0x0000000000F22000-memory.dmp

memory/4812-4-0x0000000000400000-0x000000000046D000-memory.dmp

memory/4812-6-0x0000000000400000-0x000000000046D000-memory.dmp

memory/4812-9-0x0000000000400000-0x000000000046D000-memory.dmp

memory/1564-8-0x00000000743B0000-0x0000000074B61000-memory.dmp

memory/1564-10-0x00000000743B0000-0x0000000074B61000-memory.dmp

memory/4812-12-0x0000000003BC0000-0x0000000003FC0000-memory.dmp

memory/4812-13-0x0000000003BC0000-0x0000000003FC0000-memory.dmp

memory/4812-11-0x0000000003BC0000-0x0000000003FC0000-memory.dmp