Malware Analysis Report

2024-11-13 13:53

Sample ID 240914-vf2xpsvflg
Target 054364f58a17ec336ad19906082bb054b565f38de455d89f51ed02e290c75a72
SHA256 054364f58a17ec336ad19906082bb054b565f38de455d89f51ed02e290c75a72
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

054364f58a17ec336ad19906082bb054b565f38de455d89f51ed02e290c75a72

Threat Level: Known bad

The file 054364f58a17ec336ad19906082bb054b565f38de455d89f51ed02e290c75a72 was found to be: Known bad.

Malicious Activity Summary

rhadamanthys discovery stealer

Rhadamanthys

Suspicious use of NtCreateUserProcessOtherParentProcess

Executes dropped EXE

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-14 16:56

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-14 16:56

Reported

2024-09-14 16:59

Platform

win7-20240903-en

Max time kernel

121s

Max time network

126s

Command Line

"C:\Users\Admin\AppData\Local\Temp\054364f58a17ec336ad19906082bb054b565f38de455d89f51ed02e290c75a72.exe"

Signatures

N/A

Processes

C:\Users\Admin\AppData\Local\Temp\054364f58a17ec336ad19906082bb054b565f38de455d89f51ed02e290c75a72.exe

"C:\Users\Admin\AppData\Local\Temp\054364f58a17ec336ad19906082bb054b565f38de455d89f51ed02e290c75a72.exe"

Network

N/A

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-14 16:56

Reported

2024-09-14 16:59

Platform

win10v2004-20240802-en

Max time kernel

91s

Max time network

93s

Command Line

sihost.exe

Signatures

Rhadamanthys

stealer rhadamanthys

Suspicious use of NtCreateUserProcessOtherParentProcess

Description Indicator Process Target
PID 2228 created 2244 N/A C:\Users\Admin\AppData\Local\Temp\module.exe C:\Windows\system32\sihost.exe

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\module.exe N/A

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\module.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\054364f58a17ec336ad19906082bb054b565f38de455d89f51ed02e290c75a72.exe

"C:\Users\Admin\AppData\Local\Temp\054364f58a17ec336ad19906082bb054b565f38de455d89f51ed02e290c75a72.exe"

C:\Windows\system32\cmd.exe

C:\Windows\system32\cmd.exe /d /s /c "C:\Users\Admin\AppData\Local\Temp\module.exe"

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

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

C:\Windows\SysWOW64\openwith.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 github.com udp
GB 20.26.156.215:443 github.com tcp
US 8.8.8.8:53 objects.githubusercontent.com udp
US 185.199.109.133:443 objects.githubusercontent.com tcp
US 8.8.8.8:53 215.156.26.20.in-addr.arpa udp
US 8.8.8.8:53 133.109.199.185.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 35.56.20.217.in-addr.arpa udp
US 8.8.8.8:53 2.181.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.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 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 240.143.123.92.in-addr.arpa udp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp

Files

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

MD5 850903be8fe94bf6b270c2188af82cca
SHA1 e0469de46b7ced7b4de11157d0eff8719ba3dc70
SHA256 5e69b0dd5a6cea4b9d9790a0d63e9e25417c6d602f004f5540c951585b15cbec
SHA512 5d430c21dab1427400f5750f788076e76fe1d45fd5b79f792ad2cbcf916787312f37d596bc70e4d1d16f01a39275798513beaf8741bc864e113cb4a39d44ee1e

memory/2228-4-0x0000000000D60000-0x0000000001283000-memory.dmp

memory/2228-6-0x0000000000DDB000-0x000000000103C000-memory.dmp

memory/2228-7-0x00000000013B0000-0x00000000013B1000-memory.dmp

memory/2228-9-0x0000000000D60000-0x0000000001283000-memory.dmp

memory/2228-10-0x0000000004270000-0x0000000004670000-memory.dmp

memory/2228-11-0x0000000000D60000-0x0000000001283000-memory.dmp

memory/2228-12-0x0000000004270000-0x0000000004670000-memory.dmp

memory/2228-13-0x00007FFAC5870000-0x00007FFAC5A65000-memory.dmp

memory/2228-15-0x0000000077A60000-0x0000000077C75000-memory.dmp

memory/3808-16-0x0000000000790000-0x0000000000799000-memory.dmp

memory/2228-18-0x0000000000D60000-0x0000000001283000-memory.dmp

memory/3808-20-0x00000000026D0000-0x0000000002AD0000-memory.dmp

memory/3808-25-0x00000000026D0000-0x0000000002AD0000-memory.dmp

memory/3808-24-0x0000000077A60000-0x0000000077C75000-memory.dmp

memory/3808-23-0x00000000026D0000-0x0000000002AD0000-memory.dmp

memory/2228-19-0x0000000000DDB000-0x000000000103C000-memory.dmp

memory/3808-21-0x00007FFAC5870000-0x00007FFAC5A65000-memory.dmp

memory/3808-26-0x00000000026D0000-0x0000000002AD0000-memory.dmp