Malware Analysis Report

2024-11-15 05:59

Sample ID 240403-cjemgada89
Target freedomOSU1.12.rar
SHA256 f6d3d9319fe42be572804cd30d6a562094d2c00899707a64425d034b26818d10
Tags
rhadamanthys 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

f6d3d9319fe42be572804cd30d6a562094d2c00899707a64425d034b26818d10

Threat Level: Known bad

The file freedomOSU1.12.rar was found to be: Known bad.

Malicious Activity Summary

rhadamanthys stealer

Rhadamanthys

Suspicious use of NtCreateUserProcessOtherParentProcess

Checks computer location settings

Executes dropped EXE

Unsigned PE

Enumerates physical storage devices

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of WriteProcessMemory

Modifies registry class

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-04-03 02:06

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-03 02:06

Reported

2024-04-03 02:06

Platform

win10v2004-20240226-en

Max time kernel

31s

Max time network

33s

Command Line

sihost.exe

Signatures

Rhadamanthys

stealer rhadamanthys

Suspicious use of NtCreateUserProcessOtherParentProcess

Description Indicator Process Target
PID 1256 created 2472 N/A C:\Users\Admin\Desktop\freedom_loader.exe C:\Windows\system32\sihost.exe
PID 1664 created 2472 N/A C:\Users\Admin\Desktop\freedom_loader.exe C:\Windows\system32\sihost.exe

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\Control Panel\International\Geo\Nation C:\Windows\system32\cmd.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\Desktop\freedom_loader.exe N/A
N/A N/A C:\Users\Admin\Desktop\freedom_loader.exe N/A

Enumerates physical storage devices

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000_Classes\Local Settings C:\Windows\system32\cmd.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Program Files\7-Zip\7zFM.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeRestorePrivilege N/A C:\Program Files\7-Zip\7zFM.exe N/A
Token: 35 N/A C:\Program Files\7-Zip\7zFM.exe N/A
Token: SeSecurityPrivilege N/A C:\Program Files\7-Zip\7zFM.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Program Files\7-Zip\7zFM.exe N/A
N/A N/A C:\Program Files\7-Zip\7zFM.exe N/A
N/A N/A C:\Program Files\7-Zip\7zFM.exe N/A

Processes

C:\Windows\system32\sihost.exe

sihost.exe

C:\Windows\system32\cmd.exe

cmd /c C:\Users\Admin\AppData\Local\Temp\freedomOSU1.12.rar

C:\Program Files\7-Zip\7zFM.exe

"C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\freedomOSU1.12.rar"

C:\Users\Admin\Desktop\freedom_loader.exe

"C:\Users\Admin\Desktop\freedom_loader.exe"

C:\Windows\SysWOW64\dialer.exe

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

C:\Users\Admin\Desktop\freedom_loader.exe

"C:\Users\Admin\Desktop\freedom_loader.exe"

C:\Windows\SysWOW64\dialer.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 138.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 81.171.91.138.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
N/A 13.95.31.18:443 tcp
US 8.8.8.8:53 udp

Files

C:\Users\Admin\Desktop\freedom_loader.exe

MD5 bb84cc2853596d21a318576c4995fcce
SHA1 477a224d5b4e398b34a978ac19def1cbafb211d3
SHA256 6135bdbcfd9f824b3da0bef2ba73018a998967e20c5d0274c6a1c0433649b017
SHA512 aa32be3d91bf6e2c8fed0d0e0407723466b477ab0d27c5d3cd705ac73365ab4c56de4f16d4786ee586e750d6835eba09775dbf5a93b0da0eaea4326f2fc2bd5c

memory/1256-5-0x0000000000F30000-0x0000000000F9D000-memory.dmp

memory/1256-7-0x00000000042A0000-0x00000000046A0000-memory.dmp

memory/1256-8-0x00000000042A0000-0x00000000046A0000-memory.dmp

memory/1256-9-0x00000000042A0000-0x00000000046A0000-memory.dmp

memory/1256-10-0x00007FFFA5D50000-0x00007FFFA5F45000-memory.dmp

memory/1256-13-0x00000000042A0000-0x00000000046A0000-memory.dmp

memory/1256-12-0x00000000769B0000-0x0000000076BC5000-memory.dmp

memory/4032-14-0x00000000005B0000-0x00000000005B9000-memory.dmp

memory/1256-15-0x0000000000F30000-0x0000000000F9D000-memory.dmp

memory/4032-17-0x00000000023D0000-0x00000000027D0000-memory.dmp

memory/4032-18-0x00000000023D0000-0x00000000027D0000-memory.dmp

memory/4032-19-0x00007FFFA5D50000-0x00007FFFA5F45000-memory.dmp

memory/4032-20-0x00000000023D0000-0x00000000027D0000-memory.dmp

memory/4032-22-0x00000000769B0000-0x0000000076BC5000-memory.dmp

memory/4032-23-0x00000000023D0000-0x00000000027D0000-memory.dmp

memory/1664-25-0x0000000000F30000-0x0000000000F9D000-memory.dmp

memory/1664-28-0x0000000003D50000-0x0000000004150000-memory.dmp

memory/1664-27-0x0000000003D50000-0x0000000004150000-memory.dmp

memory/1664-30-0x0000000003D50000-0x0000000004150000-memory.dmp

memory/1664-29-0x00007FFFA5D50000-0x00007FFFA5F45000-memory.dmp

memory/1664-32-0x00000000769B0000-0x0000000076BC5000-memory.dmp

memory/1348-36-0x0000000002570000-0x0000000002970000-memory.dmp

memory/1348-37-0x00007FFFA5D50000-0x00007FFFA5F45000-memory.dmp

memory/1348-35-0x0000000002570000-0x0000000002970000-memory.dmp

memory/1348-39-0x0000000002570000-0x0000000002970000-memory.dmp

memory/1348-40-0x00000000769B0000-0x0000000076BC5000-memory.dmp

memory/1348-41-0x0000000002570000-0x0000000002970000-memory.dmp