Malware Analysis Report

2024-11-15 06:02

Sample ID 240927-ym7cjswgrm
Target 33ab099d0a888a9ae66bcc8faf2b98f2d8563af2fe9685d34e65d66a37bd2437N
SHA256 33ab099d0a888a9ae66bcc8faf2b98f2d8563af2fe9685d34e65d66a37bd2437
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

33ab099d0a888a9ae66bcc8faf2b98f2d8563af2fe9685d34e65d66a37bd2437

Threat Level: Known bad

The file 33ab099d0a888a9ae66bcc8faf2b98f2d8563af2fe9685d34e65d66a37bd2437N was found to be: Known bad.

Malicious Activity Summary

rhadamanthys discovery stealer

Rhadamanthys

Suspicious use of NtCreateUserProcessOtherParentProcess

System Location Discovery: System Language Discovery

Program crash

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-27 19:55

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-27 19:55

Reported

2024-09-27 19:57

Platform

win7-20240903-en

Max time kernel

117s

Max time network

119s

Command Line

C:\Windows\Explorer.EXE

Signatures

Rhadamanthys

stealer rhadamanthys

Suspicious use of NtCreateUserProcessOtherParentProcess

Description Indicator Process Target
PID 1732 created 1192 N/A C:\Users\Admin\AppData\Local\Temp\33ab099d0a888a9ae66bcc8faf2b98f2d8563af2fe9685d34e65d66a37bd2437N.exe C:\Windows\Explorer.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\33ab099d0a888a9ae66bcc8faf2b98f2d8563af2fe9685d34e65d66a37bd2437N.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\dialer.exe N/A

Processes

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Users\Admin\AppData\Local\Temp\33ab099d0a888a9ae66bcc8faf2b98f2d8563af2fe9685d34e65d66a37bd2437N.exe

"C:\Users\Admin\AppData\Local\Temp\33ab099d0a888a9ae66bcc8faf2b98f2d8563af2fe9685d34e65d66a37bd2437N.exe"

C:\Windows\SysWOW64\dialer.exe

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

Network

N/A

Files

memory/1732-0-0x0000000000250000-0x00000000002CE000-memory.dmp

memory/1732-1-0x0000000000990000-0x0000000000D90000-memory.dmp

memory/2332-9-0x0000000000080000-0x0000000000089000-memory.dmp

memory/1732-8-0x0000000076F71000-0x0000000077072000-memory.dmp

memory/1732-6-0x0000000075970000-0x00000000759B7000-memory.dmp

memory/1732-7-0x0000000000990000-0x0000000000D90000-memory.dmp

memory/1732-3-0x0000000000990000-0x0000000000D90000-memory.dmp

memory/1732-4-0x0000000076F70000-0x0000000077119000-memory.dmp

memory/1732-10-0x0000000000990000-0x0000000000D90000-memory.dmp

memory/2332-16-0x0000000075970000-0x00000000759B7000-memory.dmp

memory/2332-17-0x0000000076F70000-0x0000000077119000-memory.dmp

memory/2332-13-0x0000000001CD0000-0x00000000020D0000-memory.dmp

memory/2332-12-0x0000000076F70000-0x0000000077119000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-27 19:55

Reported

2024-09-27 19:57

Platform

win10v2004-20240802-en

Max time kernel

94s

Max time network

96s

Command Line

sihost.exe

Signatures

Rhadamanthys

stealer rhadamanthys

Suspicious use of NtCreateUserProcessOtherParentProcess

Description Indicator Process Target
PID 2596 created 2808 N/A C:\Users\Admin\AppData\Local\Temp\33ab099d0a888a9ae66bcc8faf2b98f2d8563af2fe9685d34e65d66a37bd2437N.exe C:\Windows\system32\sihost.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\33ab099d0a888a9ae66bcc8faf2b98f2d8563af2fe9685d34e65d66a37bd2437N.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\openwith.exe N/A

Processes

C:\Windows\system32\sihost.exe

sihost.exe

C:\Users\Admin\AppData\Local\Temp\33ab099d0a888a9ae66bcc8faf2b98f2d8563af2fe9685d34e65d66a37bd2437N.exe

"C:\Users\Admin\AppData\Local\Temp\33ab099d0a888a9ae66bcc8faf2b98f2d8563af2fe9685d34e65d66a37bd2437N.exe"

C:\Windows\SysWOW64\openwith.exe

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

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2596 -ip 2596

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2596 -s 388

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 2596 -ip 2596

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2596 -s 488

Network

Country Destination Domain Proto
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 99.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 20.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 71.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp

Files

memory/2596-0-0x0000000000840000-0x00000000008BE000-memory.dmp

memory/2596-1-0x00000000036F0000-0x0000000003AF0000-memory.dmp

memory/2596-2-0x00000000036F0000-0x0000000003AF0000-memory.dmp

memory/2596-3-0x00000000036F0000-0x0000000003AF0000-memory.dmp

memory/2596-4-0x00007FFA27750000-0x00007FFA27945000-memory.dmp

memory/2596-5-0x00000000036F0000-0x0000000003AF0000-memory.dmp

memory/4592-8-0x0000000001020000-0x0000000001029000-memory.dmp

memory/2596-7-0x0000000076980000-0x0000000076B95000-memory.dmp

memory/4592-10-0x0000000002B30000-0x0000000002F30000-memory.dmp

memory/4592-12-0x00007FFA27750000-0x00007FFA27945000-memory.dmp

memory/4592-15-0x0000000002B30000-0x0000000002F30000-memory.dmp

memory/4592-14-0x0000000076980000-0x0000000076B95000-memory.dmp

memory/4592-11-0x0000000002B30000-0x0000000002F30000-memory.dmp

memory/4592-16-0x0000000002B30000-0x0000000002F30000-memory.dmp

memory/2596-17-0x00000000036F0000-0x0000000003AF0000-memory.dmp