Malware Analysis Report

2024-10-10 13:33

Sample ID 240530-hq2ngaba56
Target 2024-05-30_bf7ef3dc595a44ebf841bbbcaa6da680_avoslocker
SHA256 a71beab2c962f82db197b85a490c8f7ab82d8bb1a861b85f95635cca10223fcc
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

a71beab2c962f82db197b85a490c8f7ab82d8bb1a861b85f95635cca10223fcc

Threat Level: Known bad

The file 2024-05-30_bf7ef3dc595a44ebf841bbbcaa6da680_avoslocker was found to be: Known bad.

Malicious Activity Summary

rhadamanthys stealer

Rhadamanthys

Suspicious use of NtCreateUserProcessOtherParentProcess

Program crash

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-05-30 06:57

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-30 06:57

Reported

2024-05-30 07:00

Platform

win7-20240221-en

Max time kernel

120s

Max time network

126s

Command Line

C:\Windows\Explorer.EXE

Signatures

Rhadamanthys

stealer rhadamanthys

Suspicious use of NtCreateUserProcessOtherParentProcess

Description Indicator Process Target
PID 2936 created 1284 N/A C:\Users\Admin\AppData\Local\Temp\2024-05-30_bf7ef3dc595a44ebf841bbbcaa6da680_avoslocker.exe C:\Windows\Explorer.EXE

Processes

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Users\Admin\AppData\Local\Temp\2024-05-30_bf7ef3dc595a44ebf841bbbcaa6da680_avoslocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-05-30_bf7ef3dc595a44ebf841bbbcaa6da680_avoslocker.exe"

C:\Windows\SysWOW64\dialer.exe

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

Network

N/A

Files

memory/2936-2-0x00000000001C0000-0x00000000001CA000-memory.dmp

memory/2936-1-0x00000000001C0000-0x00000000001CA000-memory.dmp

memory/2936-3-0x0000000000407000-0x0000000000421000-memory.dmp

memory/2936-4-0x0000000000400000-0x00000000005FE000-memory.dmp

memory/2936-10-0x0000000000270000-0x0000000000289000-memory.dmp

memory/2936-9-0x0000000000270000-0x0000000000289000-memory.dmp

memory/2936-8-0x00000000001E0000-0x00000000001E4000-memory.dmp

memory/2936-7-0x00000000001E0000-0x00000000001E4000-memory.dmp

memory/2936-6-0x00000000001D0000-0x00000000001D7000-memory.dmp

memory/2936-5-0x00000000001D0000-0x00000000001D7000-memory.dmp

memory/2936-11-0x0000000003150000-0x0000000003550000-memory.dmp

memory/2936-12-0x0000000003150000-0x0000000003550000-memory.dmp

memory/2936-13-0x0000000077B60000-0x0000000077D09000-memory.dmp

memory/2936-15-0x00000000778F0000-0x0000000077937000-memory.dmp

memory/2616-16-0x0000000000080000-0x0000000000089000-memory.dmp

memory/2616-19-0x0000000001E00000-0x0000000002200000-memory.dmp

memory/2616-18-0x0000000001E00000-0x0000000002200000-memory.dmp

memory/2616-23-0x0000000001E00000-0x0000000002200000-memory.dmp

memory/2616-22-0x00000000778F0000-0x0000000077937000-memory.dmp

memory/2616-24-0x0000000077B61000-0x0000000077C62000-memory.dmp

memory/2616-20-0x0000000077B60000-0x0000000077D09000-memory.dmp

memory/2616-25-0x0000000001E00000-0x0000000002200000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-30 06:57

Reported

2024-05-30 06:59

Platform

win10v2004-20240508-en

Max time kernel

149s

Max time network

150s

Command Line

C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc

Signatures

Rhadamanthys

stealer rhadamanthys

Suspicious use of NtCreateUserProcessOtherParentProcess

Description Indicator Process Target
PID 1748 created 2664 N/A C:\Users\Admin\AppData\Local\Temp\2024-05-30_bf7ef3dc595a44ebf841bbbcaa6da680_avoslocker.exe C:\Windows\system32\svchost.exe

Processes

C:\Windows\system32\svchost.exe

C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc

C:\Users\Admin\AppData\Local\Temp\2024-05-30_bf7ef3dc595a44ebf841bbbcaa6da680_avoslocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-05-30_bf7ef3dc595a44ebf841bbbcaa6da680_avoslocker.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 1748 -ip 1748

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1748 -s 520

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 1748 -ip 1748

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1748 -s 516

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
NL 23.62.61.121:443 www.bing.com tcp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
NL 23.62.61.121:443 www.bing.com tcp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 121.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 14.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 211.143.182.52.in-addr.arpa udp

Files

memory/1748-2-0x00000000006E0000-0x00000000006EA000-memory.dmp

memory/1748-1-0x00000000006E0000-0x00000000006EA000-memory.dmp

memory/1748-8-0x00000000007E0000-0x00000000007F9000-memory.dmp

memory/1748-7-0x00000000007E0000-0x00000000007F9000-memory.dmp

memory/1748-6-0x00000000007D0000-0x00000000007D4000-memory.dmp

memory/1748-5-0x00000000007D0000-0x00000000007D4000-memory.dmp

memory/1748-4-0x00000000007C0000-0x00000000007C7000-memory.dmp

memory/1748-3-0x00000000007C0000-0x00000000007C7000-memory.dmp

memory/1748-0-0x0000000000400000-0x00000000005FE000-memory.dmp

memory/1748-9-0x0000000000407000-0x0000000000421000-memory.dmp

memory/1748-10-0x0000000003650000-0x0000000003A50000-memory.dmp

memory/1748-11-0x0000000003650000-0x0000000003A50000-memory.dmp

memory/1748-12-0x00007FFF7C9B0000-0x00007FFF7CBA5000-memory.dmp

memory/1748-14-0x0000000077010000-0x0000000077225000-memory.dmp

memory/2708-15-0x0000000000E90000-0x0000000000E99000-memory.dmp

memory/2708-18-0x0000000002B20000-0x0000000002F20000-memory.dmp

memory/2708-21-0x0000000077010000-0x0000000077225000-memory.dmp

memory/2708-22-0x0000000002B20000-0x0000000002F20000-memory.dmp

memory/2708-19-0x00007FFF7C9B0000-0x00007FFF7CBA5000-memory.dmp

memory/2708-23-0x0000000002B20000-0x0000000002F20000-memory.dmp