Malware Analysis Report

2025-01-03 05:07

Sample ID 230901-gm9n8sdb27
Target Accountsetting.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 Accountsetting.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 use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious behavior: RenamesItself

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-09-01 05:56

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 05:56

Reported

2023-09-01 05:59

Platform

win7-20230831-en

Max time kernel

149s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Accountsetting.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-1-5-21-3513876443-2771975297-1923446376-1000\Software\Microsoft\Windows\CurrentVersion\Run\chome = "C:\\Users\\Admin\\AppData\\Local\\chrome\\chome.exe" C:\Users\Admin\AppData\Local\Temp\Accountsetting.exe N/A

Suspicious behavior: EnumeratesProcesses

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

Suspicious behavior: RenamesItself

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

Suspicious use of AdjustPrivilegeToken

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

Suspicious use of SetWindowsHookEx

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

Processes

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

"C:\Users\Admin\AppData\Local\Temp\Accountsetting.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/2440-0-0x0000000000400000-0x00000000010CD000-memory.dmp

memory/2440-1-0x0000000000220000-0x0000000000221000-memory.dmp

memory/2440-3-0x0000000000220000-0x0000000000221000-memory.dmp

memory/2440-6-0x0000000000400000-0x00000000010CD000-memory.dmp

memory/2440-5-0x0000000000220000-0x0000000000221000-memory.dmp

memory/2440-8-0x0000000077240000-0x0000000077241000-memory.dmp

memory/2440-7-0x0000000000230000-0x0000000000231000-memory.dmp

memory/2440-10-0x0000000000230000-0x0000000000231000-memory.dmp

memory/2440-12-0x0000000000230000-0x0000000000231000-memory.dmp

memory/2440-13-0x0000000000400000-0x00000000010CD000-memory.dmp

memory/2440-16-0x00000000003F0000-0x00000000003FA000-memory.dmp

memory/2440-17-0x00000000003F0000-0x00000000003FA000-memory.dmp

memory/2440-18-0x0000000000400000-0x00000000010CD000-memory.dmp

memory/2440-19-0x00000000003F0000-0x00000000003FA000-memory.dmp

memory/2440-20-0x00000000003F0000-0x00000000003FA000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-09-01 05:56

Reported

2023-09-01 05:59

Platform

win10v2004-20230831-en

Max time kernel

148s

Max time network

154s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Accountsetting.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-1-5-21-4078585466-1563564224-3678410669-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\chome = "C:\\Users\\Admin\\AppData\\Local\\chrome\\chome.exe\ue800" C:\Users\Admin\AppData\Local\Temp\Accountsetting.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-4078585466-1563564224-3678410669-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\chome = "C:\\Users\\Admin\\AppData\\Local\\chrome\\chome.exe" C:\Users\Admin\AppData\Local\Temp\Accountsetting.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-4078585466-1563564224-3678410669-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\chome = "C:\\Users\\Admin\\AppData\\Local\\chrome\\chome.exeࠀ" C:\Users\Admin\AppData\Local\Temp\Accountsetting.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-4078585466-1563564224-3678410669-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\chome = "C:\\Users\\Admin\\AppData\\Local\\chrome\\chome.exe瘀" C:\Users\Admin\AppData\Local\Temp\Accountsetting.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-4078585466-1563564224-3678410669-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\chome = "C:\\Users\\Admin\\AppData\\Local\\chrome\\chome.exe먀" C:\Users\Admin\AppData\Local\Temp\Accountsetting.exe N/A

Suspicious behavior: EnumeratesProcesses

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

Suspicious behavior: RenamesItself

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

Suspicious use of AdjustPrivilegeToken

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

Suspicious use of SetWindowsHookEx

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

Processes

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

"C:\Users\Admin\AppData\Local\Temp\Accountsetting.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 71.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.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 20.231.121.79:80 tcp
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 43.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 rornfl12.duckdns.org udp
US 8.8.8.8:53 200.201.50.20.in-addr.arpa udp

Files

memory/4028-1-0x0000000001230000-0x0000000001231000-memory.dmp

memory/4028-3-0x0000000000400000-0x00000000010CD000-memory.dmp

memory/4028-2-0x0000000000400000-0x00000000010CD000-memory.dmp

memory/4028-0-0x0000000001220000-0x0000000001221000-memory.dmp

memory/4028-6-0x0000000074540000-0x0000000074579000-memory.dmp

memory/4028-7-0x0000000074200000-0x0000000074239000-memory.dmp

memory/4028-8-0x0000000000400000-0x00000000010CD000-memory.dmp

memory/4028-9-0x0000000000400000-0x00000000010CD000-memory.dmp

memory/4028-10-0x0000000074200000-0x0000000074239000-memory.dmp