Malware Analysis Report

2025-03-15 06:03

Sample ID 240511-xyxf2sgb25
Target 58e83661d0d0ba2cd6c713a0da6f76a939ffde3e88971f3ea334eac24a1749bb
SHA256 58e83661d0d0ba2cd6c713a0da6f76a939ffde3e88971f3ea334eac24a1749bb
Tags
vmprotect
score
7/10

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
7/10

SHA256

58e83661d0d0ba2cd6c713a0da6f76a939ffde3e88971f3ea334eac24a1749bb

Threat Level: Shows suspicious behavior

The file 58e83661d0d0ba2cd6c713a0da6f76a939ffde3e88971f3ea334eac24a1749bb was found to be: Shows suspicious behavior.

Malicious Activity Summary

vmprotect

VMProtect packed file

Unsigned PE

Program crash

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-05-11 19:16

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

2024-05-11 19:16

Reported

2024-05-11 19:18

Platform

win7-20240220-en

Max time kernel

118s

Max time network

119s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\58e83661d0d0ba2cd6c713a0da6f76a939ffde3e88971f3ea334eac24a1749bb.dll,#1

Signatures

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

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Windows\SysWOW64\rundll32.exe

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\58e83661d0d0ba2cd6c713a0da6f76a939ffde3e88971f3ea334eac24a1749bb.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\58e83661d0d0ba2cd6c713a0da6f76a939ffde3e88971f3ea334eac24a1749bb.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1668 -s 252

Network

N/A

Files

memory/1668-4-0x00000000001D0000-0x00000000001D1000-memory.dmp

memory/1668-2-0x00000000001D0000-0x00000000001D1000-memory.dmp

memory/1668-0-0x00000000001D0000-0x00000000001D1000-memory.dmp

memory/1668-5-0x00000000001F0000-0x00000000001F1000-memory.dmp

memory/1668-7-0x00000000001F0000-0x00000000001F1000-memory.dmp

memory/1668-6-0x00000000001F0000-0x00000000001F1000-memory.dmp

memory/1668-10-0x0000000000200000-0x0000000000201000-memory.dmp

memory/1668-12-0x0000000000200000-0x0000000000201000-memory.dmp

memory/1668-28-0x00000000722F0000-0x0000000073437000-memory.dmp

memory/1668-27-0x00000000002B0000-0x00000000002B1000-memory.dmp

memory/1668-25-0x00000000002B0000-0x00000000002B1000-memory.dmp

memory/1668-22-0x00000000002A0000-0x00000000002A1000-memory.dmp

memory/1668-20-0x00000000002A0000-0x00000000002A1000-memory.dmp

memory/1668-17-0x0000000000210000-0x0000000000211000-memory.dmp

memory/1668-15-0x0000000000210000-0x0000000000211000-memory.dmp

memory/1668-31-0x000000007291D000-0x0000000072E78000-memory.dmp

memory/1668-32-0x00000000722F0000-0x0000000073437000-memory.dmp

memory/1668-33-0x00000000722F0000-0x0000000073437000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-11 19:16

Reported

2024-05-11 19:18

Platform

win10v2004-20240426-en

Max time kernel

132s

Max time network

102s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\58e83661d0d0ba2cd6c713a0da6f76a939ffde3e88971f3ea334eac24a1749bb.dll,#1

Signatures

VMProtect packed file

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

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Windows\SysWOW64\rundll32.exe

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1100 wrote to memory of 624 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1100 wrote to memory of 624 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1100 wrote to memory of 624 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\58e83661d0d0ba2cd6c713a0da6f76a939ffde3e88971f3ea334eac24a1749bb.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\58e83661d0d0ba2cd6c713a0da6f76a939ffde3e88971f3ea334eac24a1749bb.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 624 -ip 624

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 624 -s 664

Network

Country Destination Domain Proto
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 134.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 76.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
NL 23.62.61.187:443 www.bing.com tcp
US 8.8.8.8:53 187.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
NL 23.62.61.187:443 www.bing.com tcp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 133.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp

Files

memory/624-2-0x0000000000AE0000-0x0000000000AE1000-memory.dmp

memory/624-7-0x00000000740CD000-0x0000000074628000-memory.dmp

memory/624-5-0x0000000000B30000-0x0000000000B31000-memory.dmp

memory/624-4-0x0000000000B20000-0x0000000000B21000-memory.dmp

memory/624-3-0x0000000000B10000-0x0000000000B11000-memory.dmp

memory/624-1-0x0000000000AD0000-0x0000000000AD1000-memory.dmp

memory/624-0-0x0000000000AC0000-0x0000000000AC1000-memory.dmp

memory/624-10-0x0000000073AA0000-0x0000000074BE7000-memory.dmp

memory/624-11-0x0000000073AA0000-0x0000000074BE7000-memory.dmp