Malware Analysis Report

2024-11-30 23:27

Sample ID 230808-y95r8shc3v
Target 23540c83cc4620f33d45dea691c6888b.exe
SHA256 b17f6d86a9b9d63e841046b6b999e1197e81b2cf5cc6bcf376be9698e5d0f84b
Tags
vmprotect systembc trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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

b17f6d86a9b9d63e841046b6b999e1197e81b2cf5cc6bcf376be9698e5d0f84b

Threat Level: Known bad

The file 23540c83cc4620f33d45dea691c6888b.exe was found to be: Known bad.

Malicious Activity Summary

vmprotect systembc trojan

SystemBC

Blocklisted process makes network request

VMProtect packed file

Unsigned PE

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2023-08-08 20:30

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

2023-08-08 20:30

Reported

2023-08-08 20:32

Platform

win7-20230712-en

Max time kernel

117s

Max time network

121s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\23540c83cc4620f33d45dea691c6888b.dll,#1

Signatures

SystemBC

trojan systembc

Blocklisted process makes network request

Description Indicator Process Target
N/A N/A C:\Windows\system32\rundll32.exe N/A

VMProtect packed file

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

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\23540c83cc4620f33d45dea691c6888b.dll,#1

Network

Country Destination Domain Proto
RU 5.42.65.67:4298 tcp

Files

memory/2584-53-0x0000000077400000-0x0000000077402000-memory.dmp

memory/2584-55-0x0000000077400000-0x0000000077402000-memory.dmp

memory/2584-58-0x0000000077400000-0x0000000077402000-memory.dmp

memory/2584-56-0x000007FEF4540000-0x000007FEF5013000-memory.dmp

memory/2584-59-0x0000000077410000-0x0000000077412000-memory.dmp

memory/2584-61-0x0000000077410000-0x0000000077412000-memory.dmp

memory/2584-63-0x0000000077410000-0x0000000077412000-memory.dmp

memory/2584-64-0x0000000077420000-0x0000000077422000-memory.dmp

memory/2584-66-0x0000000077420000-0x0000000077422000-memory.dmp

memory/2584-68-0x0000000077420000-0x0000000077422000-memory.dmp

memory/2584-69-0x0000000077430000-0x0000000077432000-memory.dmp

memory/2584-71-0x0000000077430000-0x0000000077432000-memory.dmp

memory/2584-73-0x0000000077430000-0x0000000077432000-memory.dmp

memory/2584-76-0x000007FEFD410000-0x000007FEFD412000-memory.dmp

memory/2584-78-0x000007FEFD410000-0x000007FEFD412000-memory.dmp

memory/2584-81-0x000007FEFD420000-0x000007FEFD422000-memory.dmp

memory/2584-83-0x000007FEFD420000-0x000007FEFD422000-memory.dmp

memory/2584-84-0x0000000077440000-0x0000000077442000-memory.dmp

memory/2584-86-0x0000000077440000-0x0000000077442000-memory.dmp

memory/2584-89-0x0000000077250000-0x00000000773F9000-memory.dmp

memory/2584-88-0x0000000077440000-0x0000000077442000-memory.dmp

memory/2584-90-0x000007FEF4540000-0x000007FEF5013000-memory.dmp

memory/2584-91-0x0000000077250000-0x00000000773F9000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-08-08 20:30

Reported

2023-08-08 20:32

Platform

win10v2004-20230703-en

Max time kernel

140s

Max time network

145s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\23540c83cc4620f33d45dea691c6888b.dll,#1

Signatures

SystemBC

trojan systembc

Blocklisted process makes network request

Description Indicator Process Target
N/A N/A C:\Windows\system32\rundll32.exe N/A

VMProtect packed file

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

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\23540c83cc4620f33d45dea691c6888b.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 158.240.127.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 4.159.190.20.in-addr.arpa udp
RU 5.42.65.67:4298 tcp
US 8.8.8.8:53 59.128.231.4.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 254.178.238.8.in-addr.arpa udp
US 8.8.8.8:53 86.8.109.52.in-addr.arpa udp
US 8.8.8.8:53 27.178.89.13.in-addr.arpa udp

Files

memory/5032-133-0x00007FFF63CA0000-0x00007FFF64773000-memory.dmp

memory/5032-135-0x00007FFF81940000-0x00007FFF81942000-memory.dmp

memory/5032-134-0x00007FFF81930000-0x00007FFF81932000-memory.dmp

memory/5032-136-0x00007FFF80560000-0x00007FFF80562000-memory.dmp

memory/5032-137-0x00007FFF80570000-0x00007FFF80572000-memory.dmp

memory/5032-138-0x00007FFF7F3D0000-0x00007FFF7F3D2000-memory.dmp

memory/5032-139-0x00007FFF7F3E0000-0x00007FFF7F3E2000-memory.dmp

memory/5032-141-0x00007FFF81950000-0x00007FFF81952000-memory.dmp

memory/5032-142-0x00007FFF63CA0000-0x00007FFF64773000-memory.dmp