Malware Analysis Report

2024-09-22 21:56

Sample ID 240623-1nb9xatcpd
Target retards_rat.xxx
SHA256 797e12d92006fae3fdd603573d613592e80e678e6da4de4faede6b95c790b932
Tags
bitrat trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

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: behavioral3

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral4

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

797e12d92006fae3fdd603573d613592e80e678e6da4de4faede6b95c790b932

Threat Level: Known bad

The file retards_rat.xxx was found to be: Known bad.

Malicious Activity Summary

bitrat trojan

BitRAT

Bitrat family

Suspicious use of NtSetInformationThreadHideFromDebugger

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-23 21:47

Signatures

Bitrat family

bitrat

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-23 21:47

Reported

2024-06-23 21:50

Platform

win7-20240611-en

Max time kernel

143s

Max time network

145s

Command Line

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

Signatures

BitRAT

trojan bitrat

Suspicious use of NtSetInformationThreadHideFromDebugger

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

Suspicious use of AdjustPrivilegeToken

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

Suspicious use of SetWindowsHookEx

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

Processes

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

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

Network

Country Destination Domain Proto
HK 47.75.99.242:1234 tcp
HK 47.75.99.242:1234 tcp
HK 47.75.99.242:1234 tcp
HK 47.75.99.242:1234 tcp
HK 47.75.99.242:1234 tcp

Files

memory/2124-0-0x0000000000400000-0x00000000007CE000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-23 21:47

Reported

2024-06-23 21:50

Platform

win10-20240404-en

Max time kernel

143s

Max time network

146s

Command Line

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

Signatures

BitRAT

trojan bitrat

Suspicious use of NtSetInformationThreadHideFromDebugger

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

Suspicious use of AdjustPrivilegeToken

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

Suspicious use of SetWindowsHookEx

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

Processes

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

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

Network

Country Destination Domain Proto
HK 47.75.99.242:1234 tcp
HK 47.75.99.242:1234 tcp
HK 47.75.99.242:1234 tcp
HK 47.75.99.242:1234 tcp
US 8.8.8.8:53 91.16.208.104.in-addr.arpa udp
HK 47.75.99.242:1234 tcp

Files

memory/500-0-0x0000000000400000-0x00000000007CE000-memory.dmp

memory/500-1-0x00000000740A0000-0x00000000740DA000-memory.dmp

memory/500-2-0x0000000074070000-0x00000000740AA000-memory.dmp

memory/500-3-0x0000000074040000-0x000000007407A000-memory.dmp

memory/500-4-0x0000000074040000-0x000000007407A000-memory.dmp

memory/500-5-0x0000000074040000-0x000000007407A000-memory.dmp

memory/500-6-0x0000000074040000-0x000000007407A000-memory.dmp

Analysis: behavioral3

Detonation Overview

Submitted

2024-06-23 21:47

Reported

2024-06-23 21:50

Platform

win10v2004-20240611-en

Max time kernel

143s

Max time network

146s

Command Line

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

Signatures

BitRAT

trojan bitrat

Suspicious use of NtSetInformationThreadHideFromDebugger

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

Suspicious use of AdjustPrivilegeToken

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

Suspicious use of SetWindowsHookEx

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

Processes

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 13.107.21.237:443 g.bing.com tcp
NL 23.62.61.194:443 www.bing.com tcp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
US 8.8.8.8:53 23.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 194.61.62.23.in-addr.arpa udp
HK 47.75.99.242:1234 tcp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
HK 47.75.99.242:1234 tcp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 101.58.20.217.in-addr.arpa udp
US 8.8.8.8:53 82.90.14.23.in-addr.arpa udp
HK 47.75.99.242:1234 tcp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 52.111.227.13:443 tcp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp
HK 47.75.99.242:1234 tcp
HK 47.75.99.242:1234 tcp

Files

memory/4480-0-0x0000000000400000-0x00000000007CE000-memory.dmp

memory/4480-1-0x0000000074DC0000-0x0000000074DF9000-memory.dmp

memory/4480-2-0x0000000075160000-0x0000000075199000-memory.dmp

memory/4480-3-0x0000000075160000-0x0000000075199000-memory.dmp

memory/4480-4-0x0000000075160000-0x0000000075199000-memory.dmp

memory/4480-5-0x0000000075160000-0x0000000075199000-memory.dmp

memory/4480-6-0x0000000075160000-0x0000000075199000-memory.dmp

Analysis: behavioral4

Detonation Overview

Submitted

2024-06-23 21:47

Reported

2024-06-23 21:50

Platform

win11-20240611-en

Max time kernel

143s

Max time network

145s

Command Line

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

Signatures

BitRAT

trojan bitrat

Suspicious use of NtSetInformationThreadHideFromDebugger

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

Suspicious use of AdjustPrivilegeToken

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

Suspicious use of SetWindowsHookEx

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

Processes

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

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

Network

Country Destination Domain Proto
HK 47.75.99.242:1234 tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
HK 47.75.99.242:1234 tcp
HK 47.75.99.242:1234 tcp
HK 47.75.99.242:1234 tcp
HK 47.75.99.242:1234 tcp

Files

memory/2288-0-0x0000000000400000-0x00000000007CE000-memory.dmp

memory/2288-1-0x0000000074940000-0x000000007497C000-memory.dmp

memory/2288-2-0x0000000074D80000-0x0000000074DBC000-memory.dmp

memory/2288-3-0x0000000074D80000-0x0000000074DBC000-memory.dmp

memory/2288-4-0x0000000074D80000-0x0000000074DBC000-memory.dmp

memory/2288-5-0x0000000074D80000-0x0000000074DBC000-memory.dmp

memory/2288-6-0x0000000074D80000-0x0000000074DBC000-memory.dmp