Malware Analysis Report

2025-01-03 05:04

Sample ID 230901-gl6aescg61
Target ba.exe
SHA256 1da5b144be7b321399e604ff0173fd831c9cd0588365f3dbf9f08a68d943b4d5
Tags
bitrat persistence trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

1da5b144be7b321399e604ff0173fd831c9cd0588365f3dbf9f08a68d943b4d5

Threat Level: Known bad

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

Malicious Activity Summary

bitrat persistence trojan

Bitrat family

BitRAT

Adds Run key to start application

Suspicious use of NtSetInformationThreadHideFromDebugger

Unsigned PE

Suspicious behavior: RenamesItself

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-09-01 05:54

Signatures

Bitrat family

bitrat

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2023-09-01 05:54

Reported

2023-09-01 05:57

Platform

win10v2004-20230831-en

Max time kernel

150s

Max time network

152s

Command Line

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

Signatures

BitRAT

trojan bitrat

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-4272677097-406801653-1594978504-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\updater = "C:\\Users\\Admin\\AppData\\Local\\chrome\\updater" C:\Users\Admin\AppData\Local\Temp\ba.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-4272677097-406801653-1594978504-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\updater = "C:\\Users\\Admin\\AppData\\Local\\chrome\\updater\uff00" C:\Users\Admin\AppData\Local\Temp\ba.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-4272677097-406801653-1594978504-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\updater = "C:\\Users\\Admin\\AppData\\Local\\chrome\\updater萀" C:\Users\Admin\AppData\Local\Temp\ba.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-4272677097-406801653-1594978504-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\updater = "C:\\Users\\Admin\\AppData\\Local\\chrome\\updater먀" C:\Users\Admin\AppData\Local\Temp\ba.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

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

Suspicious behavior: RenamesItself

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

Suspicious use of AdjustPrivilegeToken

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

Suspicious use of SetWindowsHookEx

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

Processes

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 14.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 54.120.234.20.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 rornfl12.duckdns.org udp
KR 112.173.56.153:3072 rornfl12.duckdns.org tcp
US 8.8.8.8:53 153.56.173.112.in-addr.arpa udp
US 8.8.8.8:53 8.3.197.209.in-addr.arpa udp
US 8.8.8.8:53 rornfl12.duckdns.org udp
US 8.8.8.8:53 233.141.123.20.in-addr.arpa udp
US 8.8.8.8:53 rornfl12.duckdns.org udp

Files

memory/2000-0-0x0000000000400000-0x00000000007CE000-memory.dmp

memory/2000-1-0x0000000074A80000-0x0000000074AB9000-memory.dmp

memory/2000-2-0x0000000074740000-0x0000000074779000-memory.dmp

memory/2000-3-0x0000000074740000-0x0000000074779000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2023-09-01 05:54

Reported

2023-09-01 05:57

Platform

win7-20230831-en

Max time kernel

149s

Max time network

152s

Command Line

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

Signatures

BitRAT

trojan bitrat

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000\Software\Microsoft\Windows\CurrentVersion\Run\updater = "C:\\Users\\Admin\\AppData\\Local\\chrome\\updater" C:\Users\Admin\AppData\Local\Temp\ba.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

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

Suspicious behavior: RenamesItself

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

Suspicious use of AdjustPrivilegeToken

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

Suspicious use of SetWindowsHookEx

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

Processes

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 rornfl12.duckdns.org udp
KR 112.173.56.153:3072 rornfl12.duckdns.org tcp
US 8.8.8.8:53 rornfl12.duckdns.org udp
US 8.8.8.8:53 rornfl12.duckdns.org udp
US 8.8.8.8:53 rornfl12.duckdns.org udp

Files

memory/2236-0-0x0000000000400000-0x00000000007CE000-memory.dmp

memory/2236-1-0x0000000000260000-0x000000000026A000-memory.dmp

memory/2236-2-0x0000000000260000-0x000000000026A000-memory.dmp

memory/2236-3-0x0000000000260000-0x000000000026A000-memory.dmp

memory/2236-4-0x0000000000260000-0x000000000026A000-memory.dmp