Malware Analysis Report

2025-01-03 05:09

Sample ID 230901-s2q18afh74
Target 3072_JC.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_JC.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 use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: RenamesItself

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-09-01 15:37

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 15:37

Reported

2023-09-01 15:40

Platform

win7-20230831-en

Max time kernel

149s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3072_JC.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-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Windows\CurrentVersion\Run\chome = "C:\\Users\\Admin\\AppData\\Local\\chrome\\chome.exe" C:\Users\Admin\AppData\Local\Temp\3072_JC.exe N/A

Suspicious behavior: EnumeratesProcesses

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

Suspicious behavior: RenamesItself

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

Suspicious use of AdjustPrivilegeToken

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

Suspicious use of SetWindowsHookEx

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

Processes

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

"C:\Users\Admin\AppData\Local\Temp\3072_JC.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/2980-0-0x0000000000400000-0x00000000010CD000-memory.dmp

memory/2980-1-0x0000000000230000-0x0000000000231000-memory.dmp

memory/2980-2-0x0000000000400000-0x00000000010CD000-memory.dmp

memory/2980-4-0x0000000000230000-0x0000000000231000-memory.dmp

memory/2980-6-0x0000000000230000-0x0000000000231000-memory.dmp

memory/2980-8-0x0000000000240000-0x0000000000241000-memory.dmp

memory/2980-7-0x0000000077D30000-0x0000000077D31000-memory.dmp

memory/2980-10-0x0000000000240000-0x0000000000241000-memory.dmp

memory/2980-12-0x0000000000240000-0x0000000000241000-memory.dmp

memory/2980-13-0x0000000000400000-0x00000000010CD000-memory.dmp

memory/2980-16-0x00000000003E0000-0x00000000003EA000-memory.dmp

memory/2980-17-0x00000000003E0000-0x00000000003EA000-memory.dmp

memory/2980-18-0x0000000000400000-0x00000000010CD000-memory.dmp

memory/2980-19-0x0000000000400000-0x00000000010CD000-memory.dmp

memory/2980-20-0x00000000003E0000-0x00000000003EA000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-09-01 15:37

Reported

2023-09-01 15:40

Platform

win10v2004-20230831-en

Max time kernel

149s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3072_JC.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.exe준" C:\Users\Admin\AppData\Local\Temp\3072_JC.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" C:\Users\Admin\AppData\Local\Temp\3072_JC.exe N/A

Suspicious behavior: EnumeratesProcesses

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

Suspicious behavior: RenamesItself

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

Suspicious use of AdjustPrivilegeToken

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

Suspicious use of SetWindowsHookEx

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

Processes

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 71.159.190.20.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 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 142.121.18.2.in-addr.arpa udp
US 8.8.8.8:53 121.208.253.8.in-addr.arpa udp
US 8.8.8.8:53 rornfl12.duckdns.org udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 rornfl12.duckdns.org udp
US 8.8.8.8:53 169.117.168.52.in-addr.arpa udp

Files

memory/2348-0-0x0000000000400000-0x00000000010CD000-memory.dmp

memory/2348-1-0x00000000011F0000-0x00000000011F1000-memory.dmp

memory/2348-2-0x0000000001680000-0x0000000001681000-memory.dmp

memory/2348-4-0x0000000000400000-0x00000000010CD000-memory.dmp

memory/2348-3-0x0000000000400000-0x00000000010CD000-memory.dmp

memory/2348-7-0x0000000074420000-0x0000000074459000-memory.dmp

memory/2348-8-0x00000000740E0000-0x0000000074119000-memory.dmp

memory/2348-9-0x0000000000400000-0x00000000010CD000-memory.dmp

memory/2348-10-0x0000000000400000-0x00000000010CD000-memory.dmp

memory/2348-11-0x00000000740E0000-0x0000000074119000-memory.dmp