Malware Analysis Report

2024-10-10 13:33

Sample ID 240527-zpv8qsah57
Target e5c752c17a8553d77b0751b49ecdcde62e10978185c9f3cdd7b253a92096b09c
SHA256 e5c752c17a8553d77b0751b49ecdcde62e10978185c9f3cdd7b253a92096b09c
Tags
rhadamanthys stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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

e5c752c17a8553d77b0751b49ecdcde62e10978185c9f3cdd7b253a92096b09c

Threat Level: Known bad

The file e5c752c17a8553d77b0751b49ecdcde62e10978185c9f3cdd7b253a92096b09c was found to be: Known bad.

Malicious Activity Summary

rhadamanthys stealer

Rhadamanthys

Suspicious use of NtCreateUserProcessOtherParentProcess

Suspicious use of NtCreateThreadExHideFromDebugger

Program crash

Unsigned PE

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-05-27 20:54

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-27 20:54

Reported

2024-05-27 20:56

Platform

win7-20240221-en

Max time kernel

118s

Max time network

119s

Command Line

C:\Windows\Explorer.EXE

Signatures

Rhadamanthys

stealer rhadamanthys

Suspicious use of NtCreateUserProcessOtherParentProcess

Description Indicator Process Target
PID 1708 created 1196 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\Explorer.EXE

Suspicious use of NtCreateThreadExHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\regsvr32.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\regsvr32.exe N/A
N/A N/A C:\Windows\SysWOW64\regsvr32.exe N/A
N/A N/A C:\Windows\SysWOW64\dialer.exe N/A
N/A N/A C:\Windows\SysWOW64\dialer.exe N/A
N/A N/A C:\Windows\SysWOW64\dialer.exe N/A
N/A N/A C:\Windows\SysWOW64\dialer.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2512 wrote to memory of 1956 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2512 wrote to memory of 1956 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2512 wrote to memory of 1956 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2512 wrote to memory of 1956 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2512 wrote to memory of 1956 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2512 wrote to memory of 1956 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2512 wrote to memory of 1956 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1956 wrote to memory of 1708 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1956 wrote to memory of 1708 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1956 wrote to memory of 1708 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1956 wrote to memory of 1708 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1956 wrote to memory of 1708 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1956 wrote to memory of 1708 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1956 wrote to memory of 1708 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1956 wrote to memory of 1708 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1956 wrote to memory of 1708 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1956 wrote to memory of 1708 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1708 wrote to memory of 2612 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\dialer.exe
PID 1708 wrote to memory of 2612 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\dialer.exe
PID 1708 wrote to memory of 2612 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\dialer.exe
PID 1708 wrote to memory of 2612 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\dialer.exe
PID 1708 wrote to memory of 2612 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\dialer.exe
PID 1708 wrote to memory of 2612 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\dialer.exe

Processes

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Windows\system32\regsvr32.exe

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\e5c752c17a8553d77b0751b49ecdcde62e10978185c9f3cdd7b253a92096b09c.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\e5c752c17a8553d77b0751b49ecdcde62e10978185c9f3cdd7b253a92096b09c.dll

C:\Windows\SysWOW64\regsvr32.exe

"C:\Windows\SysWOW64\regsvr32.exe"

C:\Windows\SysWOW64\dialer.exe

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

Network

N/A

Files

memory/1956-0-0x0000000010000000-0x00000000102FE000-memory.dmp

memory/1708-19-0x00000000000A0000-0x000000000010D000-memory.dmp

memory/1956-18-0x0000000010000000-0x00000000102FE000-memory.dmp

memory/1956-17-0x00000000102CF000-0x00000000102F8000-memory.dmp

memory/1956-16-0x00000000102CB000-0x00000000102F8000-memory.dmp

memory/1956-15-0x00000000102C6000-0x00000000102CA000-memory.dmp

memory/1956-14-0x00000000102C3000-0x00000000102C7000-memory.dmp

memory/1956-13-0x00000000102C0000-0x00000000102C7000-memory.dmp

memory/1956-12-0x00000000102B8000-0x00000000102C0000-memory.dmp

memory/1708-11-0x00000000000A0000-0x000000000010D000-memory.dmp

memory/1708-10-0x00000000000A0000-0x000000000010D000-memory.dmp

memory/1956-9-0x0000000010004000-0x000000001001E000-memory.dmp

memory/1708-7-0x0000000000150000-0x0000000000151000-memory.dmp

memory/1708-5-0x0000000000150000-0x0000000000151000-memory.dmp

memory/1708-3-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/1708-1-0x00000000000A0000-0x000000000010D000-memory.dmp

memory/1708-20-0x00000000035F0000-0x00000000039F0000-memory.dmp

memory/1708-21-0x00000000035F0000-0x00000000039F0000-memory.dmp

memory/1708-23-0x00000000759F0000-0x0000000075A37000-memory.dmp

memory/2612-24-0x00000000000C0000-0x00000000000C9000-memory.dmp

memory/2612-27-0x0000000000930000-0x0000000000D30000-memory.dmp

memory/2612-30-0x00000000759F0000-0x0000000075A37000-memory.dmp

memory/2612-28-0x0000000077940000-0x0000000077AE9000-memory.dmp

memory/1956-31-0x0000000010000000-0x00000000102FE000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-27 20:54

Reported

2024-05-27 20:56

Platform

win10v2004-20240508-en

Max time kernel

148s

Max time network

155s

Command Line

sihost.exe

Signatures

Rhadamanthys

stealer rhadamanthys

Suspicious use of NtCreateUserProcessOtherParentProcess

Description Indicator Process Target
PID 4924 created 2532 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\system32\sihost.exe

Suspicious use of NtCreateThreadExHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\regsvr32.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\regsvr32.exe N/A
N/A N/A C:\Windows\SysWOW64\regsvr32.exe N/A
N/A N/A C:\Windows\SysWOW64\dialer.exe N/A
N/A N/A C:\Windows\SysWOW64\dialer.exe N/A
N/A N/A C:\Windows\SysWOW64\dialer.exe N/A
N/A N/A C:\Windows\SysWOW64\dialer.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3664 wrote to memory of 5048 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 3664 wrote to memory of 5048 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 3664 wrote to memory of 5048 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 5048 wrote to memory of 4924 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 5048 wrote to memory of 4924 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 5048 wrote to memory of 4924 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 5048 wrote to memory of 4924 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 5048 wrote to memory of 4924 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 5048 wrote to memory of 4924 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 4924 wrote to memory of 4604 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\dialer.exe
PID 4924 wrote to memory of 4604 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\dialer.exe
PID 4924 wrote to memory of 4604 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\dialer.exe
PID 4924 wrote to memory of 4604 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\dialer.exe
PID 4924 wrote to memory of 4604 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\dialer.exe

Processes

C:\Windows\system32\sihost.exe

sihost.exe

C:\Windows\system32\regsvr32.exe

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\e5c752c17a8553d77b0751b49ecdcde62e10978185c9f3cdd7b253a92096b09c.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\e5c752c17a8553d77b0751b49ecdcde62e10978185c9f3cdd7b253a92096b09c.dll

C:\Windows\SysWOW64\regsvr32.exe

"C:\Windows\SysWOW64\regsvr32.exe"

C:\Windows\SysWOW64\dialer.exe

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

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4924 -ip 4924

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4924 -s 596

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 4924 -ip 4924

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4924 -s 628

Network

Country Destination Domain Proto
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 82.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 22.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 213.143.182.52.in-addr.arpa udp

Files

memory/5048-0-0x0000000010000000-0x00000000102FE000-memory.dmp

memory/5048-1-0x0000000010004000-0x000000001001E000-memory.dmp

memory/4924-2-0x0000000000EC0000-0x0000000000EC1000-memory.dmp

memory/5048-10-0x00000000102CB000-0x00000000102F8000-memory.dmp

memory/5048-9-0x00000000102C6000-0x00000000102CA000-memory.dmp

memory/5048-8-0x00000000102C3000-0x00000000102C7000-memory.dmp

memory/5048-7-0x00000000102C0000-0x00000000102C7000-memory.dmp

memory/5048-11-0x00000000102CF000-0x00000000102F8000-memory.dmp

memory/4924-13-0x0000000000E50000-0x0000000000EBD000-memory.dmp

memory/5048-12-0x0000000010000000-0x00000000102FE000-memory.dmp

memory/5048-6-0x0000000010000000-0x00000000102FE000-memory.dmp

memory/4924-4-0x0000000000E50000-0x0000000000EBD000-memory.dmp

memory/4924-5-0x0000000000E50000-0x0000000000EBD000-memory.dmp

memory/4924-14-0x0000000003BD0000-0x0000000003FD0000-memory.dmp

memory/4924-15-0x0000000003BD0000-0x0000000003FD0000-memory.dmp

memory/4924-16-0x0000000003BD0000-0x0000000003FD0000-memory.dmp

memory/4924-17-0x00007FF867BF0000-0x00007FF867DE5000-memory.dmp

memory/4924-18-0x0000000003BD0000-0x0000000003FD0000-memory.dmp

memory/4924-20-0x00000000773B0000-0x00000000775C5000-memory.dmp

memory/4604-21-0x0000000000D20000-0x0000000000D29000-memory.dmp

memory/4604-23-0x0000000002C00000-0x0000000003000000-memory.dmp

memory/4604-27-0x0000000002C00000-0x0000000003000000-memory.dmp

memory/4604-28-0x0000000002C00000-0x0000000003000000-memory.dmp

memory/4604-26-0x00000000773B0000-0x00000000775C5000-memory.dmp

memory/4604-24-0x00007FF867BF0000-0x00007FF867DE5000-memory.dmp

memory/4604-29-0x0000000002C00000-0x0000000003000000-memory.dmp

memory/4924-31-0x0000000003BD0000-0x0000000003FD0000-memory.dmp