Malware Analysis Report

2024-11-30 02:21

Sample ID 241103-bll9nazpaz
Target 421700a2d6d8516013d87e04628d2802.bin
SHA256 ee6690d7e81bdf04163fa8c751b435a4df78a6906a90153e24717e93d5e7ac4b
Tags
rhadamanthys discovery persistence stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

ee6690d7e81bdf04163fa8c751b435a4df78a6906a90153e24717e93d5e7ac4b

Threat Level: Known bad

The file 421700a2d6d8516013d87e04628d2802.bin was found to be: Known bad.

Malicious Activity Summary

rhadamanthys discovery persistence stealer

Suspicious use of NtCreateUserProcessOtherParentProcess

Rhadamanthys

Rhadamanthys family

Adds Run key to start application

Suspicious use of SetThreadContext

System Location Discovery: System Language Discovery

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-03 01:14

Signatures

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-03 01:14

Reported

2024-11-03 01:16

Platform

win10v2004-20241007-en

Max time kernel

134s

Max time network

133s

Command Line

sihost.exe

Signatures

Rhadamanthys

stealer rhadamanthys

Rhadamanthys family

rhadamanthys

Suspicious use of NtCreateUserProcessOtherParentProcess

Description Indicator Process Target
PID 2364 created 2928 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe C:\Windows\system32\sihost.exe

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\GifCamVideoEditor = "C:\\Users\\Admin\\Music\\GifCamUpdater\\GifCamOculus.exe" C:\Users\Admin\AppData\Local\Temp\cc00a259ec4ebde015fe0fad59f369ae23def081caa787ad0652f7d6b2fe6de0.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 3212 set thread context of 2364 N/A C:\Users\Admin\AppData\Local\Temp\cc00a259ec4ebde015fe0fad59f369ae23def081caa787ad0652f7d6b2fe6de0.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\openwith.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\cc00a259ec4ebde015fe0fad59f369ae23def081caa787ad0652f7d6b2fe6de0.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3212 wrote to memory of 2364 N/A C:\Users\Admin\AppData\Local\Temp\cc00a259ec4ebde015fe0fad59f369ae23def081caa787ad0652f7d6b2fe6de0.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
PID 3212 wrote to memory of 2364 N/A C:\Users\Admin\AppData\Local\Temp\cc00a259ec4ebde015fe0fad59f369ae23def081caa787ad0652f7d6b2fe6de0.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
PID 3212 wrote to memory of 2364 N/A C:\Users\Admin\AppData\Local\Temp\cc00a259ec4ebde015fe0fad59f369ae23def081caa787ad0652f7d6b2fe6de0.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
PID 3212 wrote to memory of 2364 N/A C:\Users\Admin\AppData\Local\Temp\cc00a259ec4ebde015fe0fad59f369ae23def081caa787ad0652f7d6b2fe6de0.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
PID 3212 wrote to memory of 2364 N/A C:\Users\Admin\AppData\Local\Temp\cc00a259ec4ebde015fe0fad59f369ae23def081caa787ad0652f7d6b2fe6de0.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
PID 2364 wrote to memory of 2116 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe C:\Windows\SysWOW64\openwith.exe
PID 2364 wrote to memory of 2116 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe C:\Windows\SysWOW64\openwith.exe
PID 2364 wrote to memory of 2116 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe C:\Windows\SysWOW64\openwith.exe
PID 2364 wrote to memory of 2116 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe C:\Windows\SysWOW64\openwith.exe
PID 2364 wrote to memory of 2116 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe C:\Windows\SysWOW64\openwith.exe

Processes

C:\Windows\system32\sihost.exe

sihost.exe

C:\Users\Admin\AppData\Local\Temp\cc00a259ec4ebde015fe0fad59f369ae23def081caa787ad0652f7d6b2fe6de0.exe

"C:\Users\Admin\AppData\Local\Temp\cc00a259ec4ebde015fe0fad59f369ae23def081caa787ad0652f7d6b2fe6de0.exe"

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

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

C:\Windows\SysWOW64\openwith.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 14.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 23.236.111.52.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 88.156.103.20.in-addr.arpa udp

Files

memory/3212-0-0x0000000000400000-0x0000000000887000-memory.dmp

memory/3212-4-0x0000000000400000-0x0000000000887000-memory.dmp

memory/3212-5-0x0000000000400000-0x0000000000887000-memory.dmp

memory/3212-7-0x0000000000400000-0x0000000000887000-memory.dmp

memory/3212-6-0x0000000000400000-0x0000000000887000-memory.dmp

memory/2364-8-0x0000000001210000-0x00000000012C0000-memory.dmp

memory/3212-10-0x0000000000400000-0x0000000000887000-memory.dmp

memory/3212-11-0x0000000000400000-0x0000000000887000-memory.dmp

memory/3212-2-0x0000000000804000-0x0000000000810000-memory.dmp

memory/3212-1-0x0000000000400000-0x0000000000887000-memory.dmp

memory/2364-12-0x000000007487E000-0x000000007487F000-memory.dmp

memory/2364-13-0x0000000003210000-0x00000000032A2000-memory.dmp

memory/2364-14-0x0000000074870000-0x0000000075020000-memory.dmp

memory/2364-15-0x00000000032B0000-0x00000000032B8000-memory.dmp

memory/2364-16-0x00000000032C0000-0x00000000032D0000-memory.dmp

memory/2364-17-0x0000000005E10000-0x0000000006210000-memory.dmp

memory/2364-18-0x0000000005E10000-0x0000000006210000-memory.dmp

memory/2364-19-0x0000000074870000-0x0000000075020000-memory.dmp

memory/2364-20-0x00007FFE57530000-0x00007FFE57725000-memory.dmp

memory/2116-23-0x0000000000F00000-0x0000000000F09000-memory.dmp

memory/2364-22-0x0000000075CB0000-0x0000000075EC5000-memory.dmp

memory/2116-27-0x0000000002990000-0x0000000002D90000-memory.dmp

memory/2364-26-0x0000000074870000-0x0000000075020000-memory.dmp

memory/2116-29-0x0000000000F00000-0x0000000000F09000-memory.dmp

memory/2116-28-0x0000000002990000-0x0000000002D90000-memory.dmp

memory/2116-30-0x00007FFE57530000-0x00007FFE57725000-memory.dmp

memory/2116-31-0x0000000002990000-0x0000000002D90000-memory.dmp

memory/2116-34-0x0000000075CB0000-0x0000000075EC5000-memory.dmp

memory/2364-33-0x0000000074870000-0x0000000075020000-memory.dmp

memory/2116-35-0x0000000002990000-0x0000000002D90000-memory.dmp

memory/3212-37-0x0000000000804000-0x0000000000810000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-03 01:14

Reported

2024-11-03 01:16

Platform

win7-20240903-en

Max time kernel

122s

Max time network

123s

Command Line

C:\Windows\Explorer.EXE

Signatures

Rhadamanthys

stealer rhadamanthys

Rhadamanthys family

rhadamanthys

Suspicious use of NtCreateUserProcessOtherParentProcess

Description Indicator Process Target
PID 2744 created 1200 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe C:\Windows\Explorer.EXE

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\GifCamVideoEditor = "C:\\Users\\Admin\\Music\\GifCamUpdater\\GifCamOculus.exe" C:\Users\Admin\AppData\Local\Temp\cc00a259ec4ebde015fe0fad59f369ae23def081caa787ad0652f7d6b2fe6de0.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2828 set thread context of 2744 N/A C:\Users\Admin\AppData\Local\Temp\cc00a259ec4ebde015fe0fad59f369ae23def081caa787ad0652f7d6b2fe6de0.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.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\cc00a259ec4ebde015fe0fad59f369ae23def081caa787ad0652f7d6b2fe6de0.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.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 2828 wrote to memory of 2744 N/A C:\Users\Admin\AppData\Local\Temp\cc00a259ec4ebde015fe0fad59f369ae23def081caa787ad0652f7d6b2fe6de0.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
PID 2828 wrote to memory of 2744 N/A C:\Users\Admin\AppData\Local\Temp\cc00a259ec4ebde015fe0fad59f369ae23def081caa787ad0652f7d6b2fe6de0.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
PID 2828 wrote to memory of 2744 N/A C:\Users\Admin\AppData\Local\Temp\cc00a259ec4ebde015fe0fad59f369ae23def081caa787ad0652f7d6b2fe6de0.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
PID 2828 wrote to memory of 2744 N/A C:\Users\Admin\AppData\Local\Temp\cc00a259ec4ebde015fe0fad59f369ae23def081caa787ad0652f7d6b2fe6de0.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
PID 2828 wrote to memory of 2744 N/A C:\Users\Admin\AppData\Local\Temp\cc00a259ec4ebde015fe0fad59f369ae23def081caa787ad0652f7d6b2fe6de0.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
PID 2828 wrote to memory of 2744 N/A C:\Users\Admin\AppData\Local\Temp\cc00a259ec4ebde015fe0fad59f369ae23def081caa787ad0652f7d6b2fe6de0.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
PID 2744 wrote to memory of 2856 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe C:\Windows\SysWOW64\dialer.exe
PID 2744 wrote to memory of 2856 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe C:\Windows\SysWOW64\dialer.exe
PID 2744 wrote to memory of 2856 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe C:\Windows\SysWOW64\dialer.exe
PID 2744 wrote to memory of 2856 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe C:\Windows\SysWOW64\dialer.exe
PID 2744 wrote to memory of 2856 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe C:\Windows\SysWOW64\dialer.exe
PID 2744 wrote to memory of 2856 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe C:\Windows\SysWOW64\dialer.exe

Processes

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Users\Admin\AppData\Local\Temp\cc00a259ec4ebde015fe0fad59f369ae23def081caa787ad0652f7d6b2fe6de0.exe

"C:\Users\Admin\AppData\Local\Temp\cc00a259ec4ebde015fe0fad59f369ae23def081caa787ad0652f7d6b2fe6de0.exe"

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

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

C:\Windows\SysWOW64\dialer.exe

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

Network

N/A

Files

memory/2828-0-0x0000000000400000-0x0000000000887000-memory.dmp

memory/2828-1-0x0000000000400000-0x0000000000887000-memory.dmp

memory/2828-2-0x0000000000804000-0x0000000000810000-memory.dmp

memory/2828-5-0x0000000000400000-0x0000000000887000-memory.dmp

memory/2828-6-0x0000000000400000-0x0000000000887000-memory.dmp

memory/2828-4-0x0000000000400000-0x0000000000887000-memory.dmp

memory/2828-7-0x0000000000400000-0x0000000000887000-memory.dmp

memory/2744-8-0x0000000000150000-0x0000000000200000-memory.dmp

memory/2828-11-0x0000000000400000-0x0000000000887000-memory.dmp

memory/2828-17-0x0000000000400000-0x0000000000887000-memory.dmp

memory/2744-16-0x0000000000150000-0x0000000000200000-memory.dmp

memory/2744-14-0x0000000000150000-0x0000000000200000-memory.dmp

memory/2744-10-0x0000000000150000-0x0000000000200000-memory.dmp

memory/2744-9-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

memory/2744-18-0x00000000741FE000-0x00000000741FF000-memory.dmp

memory/2744-19-0x00000000741F0000-0x00000000748DE000-memory.dmp

memory/2744-20-0x00000000008C0000-0x00000000008C8000-memory.dmp

memory/2744-21-0x0000000002130000-0x0000000002140000-memory.dmp

memory/2744-22-0x0000000005340000-0x0000000005740000-memory.dmp

memory/2744-27-0x0000000075420000-0x0000000075467000-memory.dmp

memory/2856-28-0x00000000000C0000-0x00000000000C9000-memory.dmp

memory/2744-24-0x0000000005340000-0x0000000005740000-memory.dmp

memory/2744-25-0x00000000772E0000-0x0000000077489000-memory.dmp

memory/2744-23-0x00000000741F0000-0x00000000748DE000-memory.dmp

memory/2856-31-0x0000000001CF0000-0x00000000020F0000-memory.dmp

memory/2744-29-0x00000000741F0000-0x00000000748DE000-memory.dmp

memory/2828-32-0x0000000000804000-0x0000000000810000-memory.dmp

memory/2856-35-0x0000000075420000-0x0000000075467000-memory.dmp

memory/2856-33-0x00000000772E0000-0x0000000077489000-memory.dmp

memory/2856-36-0x0000000001CF0000-0x00000000020F0000-memory.dmp

memory/2856-38-0x0000000001CF0000-0x00000000020F0000-memory.dmp

memory/2744-37-0x00000000741F0000-0x00000000748DE000-memory.dmp