Malware Analysis Report

2024-11-13 13:50

Sample ID 240406-bl8snagc71
Target 4fb58687a364c3f6d6f7e0ca03654f9dec0f8832a499d61d40b0d424db1b1b14.exe
SHA256 4fb58687a364c3f6d6f7e0ca03654f9dec0f8832a499d61d40b0d424db1b1b14
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

4fb58687a364c3f6d6f7e0ca03654f9dec0f8832a499d61d40b0d424db1b1b14

Threat Level: Known bad

The file 4fb58687a364c3f6d6f7e0ca03654f9dec0f8832a499d61d40b0d424db1b1b14.exe was found to be: Known bad.

Malicious Activity Summary

rhadamanthys stealer

Suspicious use of NtCreateUserProcessOtherParentProcess

Rhadamanthys

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-04-06 01:15

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-06 01:15

Reported

2024-04-06 01:17

Platform

win7-20240221-en

Max time kernel

117s

Max time network

120s

Command Line

C:\Windows\Explorer.EXE

Signatures

Rhadamanthys

stealer rhadamanthys

Suspicious use of NtCreateUserProcessOtherParentProcess

Description Indicator Process Target
PID 2300 created 1216 N/A C:\Users\Admin\AppData\Local\Temp\4fb58687a364c3f6d6f7e0ca03654f9dec0f8832a499d61d40b0d424db1b1b14.exe C:\Windows\Explorer.EXE

Processes

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Users\Admin\AppData\Local\Temp\4fb58687a364c3f6d6f7e0ca03654f9dec0f8832a499d61d40b0d424db1b1b14.exe

"C:\Users\Admin\AppData\Local\Temp\4fb58687a364c3f6d6f7e0ca03654f9dec0f8832a499d61d40b0d424db1b1b14.exe"

C:\Windows\system32\dialer.exe

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

Network

N/A

Files

memory/2300-0-0x0000000000C20000-0x0000000000C7E000-memory.dmp

memory/2300-1-0x000007FEF55E0000-0x000007FEF5FCC000-memory.dmp

memory/2300-2-0x000000001AED0000-0x000000001AF50000-memory.dmp

memory/2300-3-0x00000000001E0000-0x00000000001F0000-memory.dmp

memory/2300-5-0x00000000001E0000-0x00000000001F0000-memory.dmp

memory/2300-4-0x000000001B540000-0x000000001B940000-memory.dmp

memory/2300-7-0x000000001B540000-0x000000001B940000-memory.dmp

memory/2300-6-0x000000001B540000-0x000000001B940000-memory.dmp

memory/2300-8-0x0000000076FA0000-0x0000000077149000-memory.dmp

memory/2300-11-0x000007FEFCF60000-0x000007FEFCFCC000-memory.dmp

memory/2300-10-0x000000001B540000-0x000000001B940000-memory.dmp

memory/2300-9-0x0000000076E80000-0x0000000076F9F000-memory.dmp

memory/2616-12-0x0000000000060000-0x0000000000069000-memory.dmp

memory/2300-13-0x000007FEF55E0000-0x000007FEF5FCC000-memory.dmp

memory/2300-15-0x000000001B540000-0x000000001B940000-memory.dmp

memory/2300-17-0x0000000076FA0000-0x0000000077149000-memory.dmp

memory/2616-19-0x0000000076FA0000-0x0000000077149000-memory.dmp

memory/2616-21-0x0000000076E80000-0x0000000076F9F000-memory.dmp

memory/2616-23-0x000007FEFCF60000-0x000007FEFCFCC000-memory.dmp

memory/2616-22-0x0000000076FA0000-0x0000000077149000-memory.dmp

memory/2616-20-0x0000000001B10000-0x0000000001F10000-memory.dmp

memory/2616-18-0x0000000001B10000-0x0000000001F10000-memory.dmp

memory/2616-24-0x0000000001B10000-0x0000000001F10000-memory.dmp

memory/2616-25-0x0000000076FA0000-0x0000000077149000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-06 01:15

Reported

2024-04-06 01:17

Platform

win10v2004-20240226-en

Max time kernel

115s

Max time network

145s

Command Line

sihost.exe

Signatures

Processes

C:\Windows\system32\sihost.exe

sihost.exe

C:\Users\Admin\AppData\Local\Temp\4fb58687a364c3f6d6f7e0ca03654f9dec0f8832a499d61d40b0d424db1b1b14.exe

"C:\Users\Admin\AppData\Local\Temp\4fb58687a364c3f6d6f7e0ca03654f9dec0f8832a499d61d40b0d424db1b1b14.exe"

C:\Windows\system32\dialer.exe

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

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4072 --field-trial-handle=2260,i,3303482231723870786,2954015409682154873,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 130.211.222.173.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 65.139.73.23.in-addr.arpa udp
GB 142.250.187.202:443 tcp
US 13.107.253.64:443 tcp
US 52.111.229.43:443 tcp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 0.204.248.87.in-addr.arpa udp

Files

memory/1380-0-0x0000000000A20000-0x0000000000A7E000-memory.dmp

memory/1380-1-0x0000000001320000-0x0000000001330000-memory.dmp

memory/1380-2-0x000000001B680000-0x000000001BA80000-memory.dmp

memory/1380-3-0x00007FFED32E0000-0x00007FFED3DA1000-memory.dmp

memory/1380-4-0x0000000001320000-0x0000000001330000-memory.dmp

memory/1380-6-0x000000001B680000-0x000000001BA80000-memory.dmp

memory/1380-5-0x000000001B680000-0x000000001BA80000-memory.dmp

memory/1380-7-0x0000000001330000-0x0000000001340000-memory.dmp

memory/1380-8-0x00007FFEF2EB0000-0x00007FFEF30A5000-memory.dmp

memory/1380-9-0x00007FFEF17C0000-0x00007FFEF187E000-memory.dmp

memory/1380-11-0x00007FFEF0B70000-0x00007FFEF0E39000-memory.dmp

memory/1380-10-0x000000001B680000-0x000000001BA80000-memory.dmp

memory/4812-12-0x0000024133990000-0x0000024133999000-memory.dmp

memory/1380-16-0x000000001B680000-0x000000001BA80000-memory.dmp

memory/4812-17-0x0000024135440000-0x0000024135840000-memory.dmp

memory/4812-15-0x0000024135440000-0x0000024135840000-memory.dmp

memory/1380-18-0x00007FFED32E0000-0x00007FFED3DA1000-memory.dmp

memory/4812-19-0x0000024135440000-0x0000024135840000-memory.dmp

memory/4812-20-0x00007FFEF2EB0000-0x00007FFEF30A5000-memory.dmp

memory/4812-21-0x00007FFEF17C0000-0x00007FFEF187E000-memory.dmp

memory/4812-22-0x00007FFEF0B70000-0x00007FFEF0E39000-memory.dmp

memory/4812-23-0x0000024135440000-0x0000024135840000-memory.dmp