Malware Analysis Report

2025-01-03 05:07

Sample ID 230901-gsx8dsch2y
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 SetWindowsHookEx

Suspicious behavior: RenamesItself

Suspicious use of AdjustPrivilegeToken

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

153s

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-1-5-21-86725733-3001458681-3405935542-1000\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

Files

memory/2244-1-0x0000000000400000-0x00000000010CD000-memory.dmp

memory/2244-0-0x00000000003C0000-0x00000000003C1000-memory.dmp

memory/2244-3-0x00000000003C0000-0x00000000003C1000-memory.dmp

memory/2244-5-0x0000000000400000-0x00000000010CD000-memory.dmp

memory/2244-7-0x00000000003C0000-0x00000000003C1000-memory.dmp

memory/2244-9-0x00000000774D0000-0x00000000774D1000-memory.dmp

memory/2244-8-0x00000000003D0000-0x00000000003D1000-memory.dmp

memory/2244-11-0x00000000003D0000-0x00000000003D1000-memory.dmp

memory/2244-13-0x00000000003D0000-0x00000000003D1000-memory.dmp

memory/2244-17-0x00000000012B0000-0x00000000012BA000-memory.dmp

memory/2244-18-0x00000000012B0000-0x00000000012BA000-memory.dmp

memory/2244-19-0x0000000000400000-0x00000000010CD000-memory.dmp

memory/2244-20-0x0000000000400000-0x00000000010CD000-memory.dmp

memory/2244-21-0x00000000012B0000-0x00000000012BA000-memory.dmp

memory/2244-22-0x00000000012B0000-0x00000000012BA000-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

150s

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
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-1-5-21-1980726966-773384374-2129981223-1000\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-1-5-21-1980726966-773384374-2129981223-1000\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-1-5-21-1980726966-773384374-2129981223-1000\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

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 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.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 8.8.8.8:53 rornfl12.duckdns.org udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 rornfl12.duckdns.org udp
US 8.8.8.8:53 15.173.189.20.in-addr.arpa udp

Files

memory/932-0-0x0000000000400000-0x00000000010CD000-memory.dmp

memory/932-1-0x0000000001680000-0x0000000001681000-memory.dmp

memory/932-3-0x0000000001690000-0x0000000001691000-memory.dmp

memory/932-2-0x0000000000400000-0x00000000010CD000-memory.dmp

memory/932-4-0x0000000000400000-0x00000000010CD000-memory.dmp

memory/932-7-0x00000000748B0000-0x00000000748E9000-memory.dmp

memory/932-8-0x0000000074570000-0x00000000745A9000-memory.dmp

memory/932-9-0x0000000000400000-0x00000000010CD000-memory.dmp

memory/932-10-0x0000000000400000-0x00000000010CD000-memory.dmp

memory/932-11-0x0000000074570000-0x00000000745A9000-memory.dmp