Malware Analysis Report

2025-01-03 05:05

Sample ID 230901-gstj7sch2x
Target 3072.exe
SHA256 76f0851190aea6cb9add8591a662322bd88f742d85f62bcf54050fe5b380eed6
Tags
vmprotect bitrat persistence trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

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

76f0851190aea6cb9add8591a662322bd88f742d85f62bcf54050fe5b380eed6

Threat Level: Known bad

The file 3072.exe was found to be: Known bad.

Malicious Activity Summary

vmprotect bitrat persistence trojan

BitRAT

VMProtect packed file

Adds Run key to start application

Suspicious use of NtSetInformationThreadHideFromDebugger

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: RenamesItself

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-09-01 06:04

Signatures

VMProtect packed file

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

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-09-01 06:04

Reported

2023-09-01 06:07

Platform

win7-20230831-en

Max time kernel

148s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3072.exe"

Signatures

BitRAT

trojan bitrat

VMProtect packed file

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

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3750544865-3773649541-1858556521-1000\Software\Microsoft\Windows\CurrentVersion\Run\chome = "C:\\Users\\Admin\\AppData\\Local\\chrome\\chome.exe" C:\Users\Admin\AppData\Local\Temp\3072.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\3072.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\3072.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\3072.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\3072.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\3072.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\3072.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\3072.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\3072.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\3072.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\3072.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\3072.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\3072.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\3072.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\3072.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\3072.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\3072.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\3072.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\3072.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\3072.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\3072.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\3072.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\3072.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\3072.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\3072.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\3072.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\3072.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\3072.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\3072.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\3072.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\3072.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\3072.exe N/A
Token: SeShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\3072.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\3072.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\3072.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\3072.exe

"C:\Users\Admin\AppData\Local\Temp\3072.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

Files

memory/2588-0-0x0000000000400000-0x00000000010CD000-memory.dmp

memory/2588-1-0x0000000000220000-0x0000000000221000-memory.dmp

memory/2588-3-0x0000000000220000-0x0000000000221000-memory.dmp

memory/2588-4-0x0000000000400000-0x00000000010CD000-memory.dmp

memory/2588-6-0x0000000000220000-0x0000000000221000-memory.dmp

memory/2588-8-0x0000000000230000-0x0000000000231000-memory.dmp

memory/2588-7-0x0000000077970000-0x0000000077971000-memory.dmp

memory/2588-10-0x0000000000230000-0x0000000000231000-memory.dmp

memory/2588-12-0x0000000000230000-0x0000000000231000-memory.dmp

memory/2588-13-0x0000000000400000-0x00000000010CD000-memory.dmp

memory/2588-16-0x0000000000270000-0x000000000027A000-memory.dmp

memory/2588-17-0x0000000000270000-0x000000000027A000-memory.dmp

memory/2588-18-0x0000000000400000-0x00000000010CD000-memory.dmp

memory/2588-19-0x0000000000400000-0x00000000010CD000-memory.dmp

memory/2588-20-0x0000000000270000-0x000000000027A000-memory.dmp

memory/2588-21-0x0000000000270000-0x000000000027A000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-09-01 06:04

Reported

2023-09-01 06:07

Platform

win10v2004-20230831-en

Max time kernel

148s

Max time network

154s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3072.exe"

Signatures

BitRAT

trojan bitrat

VMProtect packed file

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

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2474409663-2236862430-1045297337-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\chome = "C:\\Users\\Admin\\AppData\\Local\\chrome\\chome.exe瘀" C:\Users\Admin\AppData\Local\Temp\3072.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2474409663-2236862430-1045297337-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\chome = "C:\\Users\\Admin\\AppData\\Local\\chrome\\chome.exe" C:\Users\Admin\AppData\Local\Temp\3072.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\3072.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\3072.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\3072.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\3072.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\3072.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\3072.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\3072.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\3072.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\3072.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\3072.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\3072.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\3072.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\3072.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\3072.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\3072.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\3072.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\3072.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\3072.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\3072.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\3072.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\3072.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\3072.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\3072.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\3072.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\3072.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\3072.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\3072.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\3072.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\3072.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\3072.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\3072.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\3072.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\3072.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\3072.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\3072.exe

"C:\Users\Admin\AppData\Local\Temp\3072.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 rornfl12.duckdns.org udp
US 8.8.8.8:53 23.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa 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 rornfl12.duckdns.org udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 rornfl12.duckdns.org udp
US 8.8.8.8:53 27.73.42.20.in-addr.arpa udp

Files

memory/928-2-0x0000000001680000-0x0000000001681000-memory.dmp

memory/928-1-0x0000000000400000-0x00000000010CD000-memory.dmp

memory/928-0-0x0000000001150000-0x0000000001151000-memory.dmp

memory/928-4-0x0000000000400000-0x00000000010CD000-memory.dmp

memory/928-7-0x0000000074750000-0x0000000074789000-memory.dmp

memory/928-8-0x0000000074410000-0x0000000074449000-memory.dmp

memory/928-9-0x0000000000400000-0x00000000010CD000-memory.dmp

memory/928-10-0x0000000000400000-0x00000000010CD000-memory.dmp

memory/928-11-0x0000000074750000-0x0000000074789000-memory.dmp

memory/928-12-0x0000000074410000-0x0000000074449000-memory.dmp