Malware Analysis Report

2024-11-16 13:06

Sample ID 240315-p2jqcsag33
Target svc_host.exe
SHA256 c1e6b4a0fbc8a4847fb5d8407153a88ab855de8b3ce5ae90d9b4fa3b5d357df9
Tags
discordrat persistence rat rootkit stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral3

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral4

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

c1e6b4a0fbc8a4847fb5d8407153a88ab855de8b3ce5ae90d9b4fa3b5d357df9

Threat Level: Known bad

The file svc_host.exe was found to be: Known bad.

Malicious Activity Summary

discordrat persistence rat rootkit stealer

Discord RAT

Discordrat family

Unsigned PE

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-03-15 12:49

Signatures

Discordrat family

discordrat

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-15 12:49

Reported

2024-03-15 12:50

Platform

win10-20240221-en

Max time kernel

23s

Max time network

45s

Command Line

"C:\Users\Admin\AppData\Local\Temp\svc_host.exe"

Signatures

Discord RAT

stealer rootkit rat persistence discordrat

Suspicious use of AdjustPrivilegeToken

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

Processes

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

"C:\Users\Admin\AppData\Local\Temp\svc_host.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 gateway.discord.gg udp
US 162.159.134.234:443 gateway.discord.gg tcp
US 8.8.8.8:53 234.134.159.162.in-addr.arpa udp

Files

memory/2968-0-0x0000024A213D0000-0x0000024A213E8000-memory.dmp

memory/2968-1-0x0000024A3BA60000-0x0000024A3BC22000-memory.dmp

memory/2968-2-0x00007FFB131D0000-0x00007FFB13BBC000-memory.dmp

memory/2968-3-0x0000024A3B9C0000-0x0000024A3B9D0000-memory.dmp

memory/2968-4-0x0000024A3C260000-0x0000024A3C786000-memory.dmp

memory/2968-5-0x00007FFB131D0000-0x00007FFB13BBC000-memory.dmp

memory/2968-6-0x0000024A3B9C0000-0x0000024A3B9D0000-memory.dmp

Analysis: behavioral3

Detonation Overview

Submitted

2024-03-15 12:49

Reported

2024-03-15 12:50

Platform

win10v2004-20240226-en

Max time kernel

60s

Max time network

63s

Command Line

"C:\Users\Admin\AppData\Local\Temp\svc_host.exe"

Signatures

Discord RAT

stealer rootkit rat persistence discordrat

Suspicious use of AdjustPrivilegeToken

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

Processes

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

"C:\Users\Admin\AppData\Local\Temp\svc_host.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 gateway.discord.gg udp
US 162.159.134.234:443 gateway.discord.gg tcp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 20.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 234.134.159.162.in-addr.arpa udp
US 8.8.8.8:53 179.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.200:443 g.bing.com tcp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 203.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 104.241.123.92.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 119.110.54.20.in-addr.arpa udp
US 8.8.8.8:53 174.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 17.134.221.88.in-addr.arpa udp
GB 96.17.178.174:80 tcp

Files

memory/5112-0-0x0000025DA65C0000-0x0000025DA65D8000-memory.dmp

memory/5112-1-0x0000025DC0C70000-0x0000025DC0E32000-memory.dmp

memory/5112-2-0x00007FFD24B50000-0x00007FFD25611000-memory.dmp

memory/5112-3-0x0000025DC0C10000-0x0000025DC0C20000-memory.dmp

memory/5112-4-0x0000025DC1470000-0x0000025DC1998000-memory.dmp

memory/5112-5-0x00007FFD24B50000-0x00007FFD25611000-memory.dmp

memory/5112-6-0x0000025DC0C10000-0x0000025DC0C20000-memory.dmp

Analysis: behavioral4

Detonation Overview

Submitted

2024-03-15 12:49

Reported

2024-03-15 12:50

Platform

win11-20240221-en

Max time kernel

47s

Max time network

62s

Command Line

"C:\Users\Admin\AppData\Local\Temp\svc_host.exe"

Signatures

Discord RAT

stealer rootkit rat persistence discordrat

Suspicious use of AdjustPrivilegeToken

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

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe N/A

Processes

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

"C:\Users\Admin\AppData\Local\Temp\svc_host.exe"

C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe

"C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe" -ServerName:MiniSearchUI.AppXj3y73at8fy1htwztzxs68sxx1v7cksp7.mca

Network

Country Destination Domain Proto
US 8.8.8.8:53 gateway.discord.gg udp
US 162.159.134.234:443 gateway.discord.gg tcp
US 8.8.8.8:53 234.134.159.162.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.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 204.79.197.200:443 tse1.mm.bing.net tcp
GB 92.123.128.195:443 r.bing.com tcp
GB 92.123.128.195:443 r.bing.com tcp
US 52.168.117.169:443 browser.pipe.aria.microsoft.com tcp
GB 92.123.128.194:443 r.bing.com tcp
GB 92.123.128.194:443 r.bing.com tcp
GB 92.123.128.194:443 r.bing.com tcp
GB 92.123.128.194:443 r.bing.com tcp
GB 92.123.128.194:443 r.bing.com tcp
GB 92.123.128.194:443 r.bing.com tcp

Files

memory/900-0-0x000001BF6E2A0000-0x000001BF6E2B8000-memory.dmp

memory/900-1-0x000001BF70890000-0x000001BF70A52000-memory.dmp

memory/900-2-0x00007FFDE9FC0000-0x00007FFDEAA82000-memory.dmp

memory/900-3-0x000001BF70830000-0x000001BF70840000-memory.dmp

memory/900-4-0x000001BF71B10000-0x000001BF72038000-memory.dmp

memory/900-5-0x00007FFDE9FC0000-0x00007FFDEAA82000-memory.dmp

memory/900-6-0x000001BF70830000-0x000001BF70840000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-03-15 12:49

Reported

2024-03-15 12:50

Platform

win7-20231129-en

Max time kernel

47s

Max time network

20s

Command Line

"C:\Users\Admin\AppData\Local\Temp\svc_host.exe"

Signatures

Discord RAT

stealer rootkit rat persistence discordrat

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2936 wrote to memory of 2932 N/A C:\Users\Admin\AppData\Local\Temp\svc_host.exe C:\Windows\system32\WerFault.exe
PID 2936 wrote to memory of 2932 N/A C:\Users\Admin\AppData\Local\Temp\svc_host.exe C:\Windows\system32\WerFault.exe
PID 2936 wrote to memory of 2932 N/A C:\Users\Admin\AppData\Local\Temp\svc_host.exe C:\Windows\system32\WerFault.exe

Processes

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

"C:\Users\Admin\AppData\Local\Temp\svc_host.exe"

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 2936 -s 596

Network

N/A

Files

memory/2936-0-0x000000013F310000-0x000000013F328000-memory.dmp

memory/2936-1-0x000007FEF5EE0000-0x000007FEF68CC000-memory.dmp

memory/2936-2-0x000000001BBF0000-0x000000001BC70000-memory.dmp

memory/2936-3-0x000007FEF5EE0000-0x000007FEF68CC000-memory.dmp