Malware Analysis Report

2024-11-30 23:26

Sample ID 230809-ebb8gsae8t
Target b2b82c1977c17aec7ba0074f56c0d61100e616a0ce72dab748ec4269db6c0793
SHA256 b2b82c1977c17aec7ba0074f56c0d61100e616a0ce72dab748ec4269db6c0793
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

b2b82c1977c17aec7ba0074f56c0d61100e616a0ce72dab748ec4269db6c0793

Threat Level: Known bad

The file b2b82c1977c17aec7ba0074f56c0d61100e616a0ce72dab748ec4269db6c0793 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

2023-08-09 03:45

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

2023-08-09 03:45

Reported

2023-08-09 03:50

Platform

win7-20230712-en

Max time kernel

120s

Max time network

256s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\b2b82c1977c17aec7ba0074f56c0d61100e616a0ce72dab748ec4269db6c0793.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\b2b82c1977c17aec7ba0074f56c0d61100e616a0ce72dab748ec4269db6c0793.dll,#1

Network

Country Destination Domain Proto
RU 5.42.65.67:4298 tcp

Files

memory/2572-54-0x0000000076EF0000-0x0000000076EF2000-memory.dmp

memory/2572-57-0x000007FEF4560000-0x000007FEF4FE4000-memory.dmp

memory/2572-56-0x0000000076EF0000-0x0000000076EF2000-memory.dmp

memory/2572-59-0x0000000076EF0000-0x0000000076EF2000-memory.dmp

memory/2572-60-0x0000000076F00000-0x0000000076F02000-memory.dmp

memory/2572-62-0x0000000076F00000-0x0000000076F02000-memory.dmp

memory/2572-64-0x0000000076F00000-0x0000000076F02000-memory.dmp

memory/2572-65-0x0000000076F10000-0x0000000076F12000-memory.dmp

memory/2572-67-0x0000000076F10000-0x0000000076F12000-memory.dmp

memory/2572-69-0x0000000076F10000-0x0000000076F12000-memory.dmp

memory/2572-70-0x0000000076F20000-0x0000000076F22000-memory.dmp

memory/2572-72-0x0000000076F20000-0x0000000076F22000-memory.dmp

memory/2572-74-0x0000000076F20000-0x0000000076F22000-memory.dmp

memory/2572-77-0x000007FEFCD90000-0x000007FEFCD92000-memory.dmp

memory/2572-79-0x000007FEFCD90000-0x000007FEFCD92000-memory.dmp

memory/2572-82-0x000007FEFCDA0000-0x000007FEFCDA2000-memory.dmp

memory/2572-84-0x000007FEFCDA0000-0x000007FEFCDA2000-memory.dmp

memory/2572-85-0x0000000076F30000-0x0000000076F32000-memory.dmp

memory/2572-87-0x0000000076F30000-0x0000000076F32000-memory.dmp

memory/2572-90-0x0000000076D40000-0x0000000076EE9000-memory.dmp

memory/2572-89-0x0000000076F30000-0x0000000076F32000-memory.dmp

memory/2572-91-0x000007FEF4560000-0x000007FEF4FE4000-memory.dmp

memory/2572-92-0x0000000076D40000-0x0000000076EE9000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-08-09 03:45

Reported

2023-08-09 03:50

Platform

win10-20230703-en

Max time kernel

290s

Max time network

259s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\b2b82c1977c17aec7ba0074f56c0d61100e616a0ce72dab748ec4269db6c0793.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\b2b82c1977c17aec7ba0074f56c0d61100e616a0ce72dab748ec4269db6c0793.dll,#1

Network

Country Destination Domain Proto
RU 5.42.65.67:4298 tcp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 9.57.101.20.in-addr.arpa udp
US 8.8.8.8:53 136.71.105.51.in-addr.arpa udp
US 8.8.8.8:53 localhost.exchange udp

Files

memory/4800-121-0x00007FFEBD1F0000-0x00007FFEBD1F2000-memory.dmp

memory/4800-122-0x00007FFEA11C0000-0x00007FFEA1C44000-memory.dmp

memory/4800-123-0x00007FFEBD200000-0x00007FFEBD202000-memory.dmp

memory/4800-124-0x00007FFEBCC60000-0x00007FFEBCC62000-memory.dmp

memory/4800-126-0x00007FFEBA520000-0x00007FFEBA522000-memory.dmp

memory/4800-125-0x00007FFEBCC70000-0x00007FFEBCC72000-memory.dmp

memory/4800-127-0x00007FFEBA530000-0x00007FFEBA532000-memory.dmp

memory/4800-129-0x00007FFEBD210000-0x00007FFEBD212000-memory.dmp

memory/4800-130-0x00007FFEA11C0000-0x00007FFEA1C44000-memory.dmp

memory/4800-131-0x00000185D7200000-0x00000185D72BF000-memory.dmp