Malware Analysis Report

2024-10-16 06:27

Sample ID 220201-tpps3ahfh4
Target 25bfe1bd30bbe5100498ed74eb413168a3740cb03a6cca489a88324f20b71c0f
SHA256 25bfe1bd30bbe5100498ed74eb413168a3740cb03a6cca489a88324f20b71c0f
Tags
ta505 upx
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

25bfe1bd30bbe5100498ed74eb413168a3740cb03a6cca489a88324f20b71c0f

Threat Level: Known bad

The file 25bfe1bd30bbe5100498ed74eb413168a3740cb03a6cca489a88324f20b71c0f was found to be: Known bad.

Malicious Activity Summary

ta505 upx

TA505

Blocklisted process makes network request

UPX packed file

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2022-02-01 16:14

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2022-02-01 16:14

Reported

2022-02-02 06:56

Platform

win7-en-20211208

Max time kernel

117s

Max time network

136s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\25bfe1bd30bbe5100498ed74eb413168a3740cb03a6cca489a88324f20b71c0f.dll,#1

Signatures

TA505

ta505

Blocklisted process makes network request

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

UPX packed file

upx
Description Indicator Process Target
N/A N/A N/A N/A

Suspicious behavior: EnumeratesProcesses

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1580 wrote to memory of 1612 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1580 wrote to memory of 1612 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1580 wrote to memory of 1612 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1580 wrote to memory of 1612 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1580 wrote to memory of 1612 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1580 wrote to memory of 1612 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1580 wrote to memory of 1612 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\25bfe1bd30bbe5100498ed74eb413168a3740cb03a6cca489a88324f20b71c0f.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\25bfe1bd30bbe5100498ed74eb413168a3740cb03a6cca489a88324f20b71c0f.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 microsoft-home-en.com udp
US 8.8.8.8:53 microsoft-home-en.com udp
US 194.195.211.26:443 microsoft-home-en.com tcp

Files

memory/1612-55-0x00000000763F1000-0x00000000763F3000-memory.dmp

memory/1612-56-0x00000000001A0000-0x00000000001A1000-memory.dmp

memory/1612-57-0x0000000010000000-0x0000000010048000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-02-01 16:14

Reported

2022-02-02 06:55

Platform

win10v2004-en-20220113

Max time kernel

47s

Max time network

45s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\25bfe1bd30bbe5100498ed74eb413168a3740cb03a6cca489a88324f20b71c0f.dll,#1

Signatures

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2240 wrote to memory of 2812 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2240 wrote to memory of 2812 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2240 wrote to memory of 2812 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\25bfe1bd30bbe5100498ed74eb413168a3740cb03a6cca489a88324f20b71c0f.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\25bfe1bd30bbe5100498ed74eb413168a3740cb03a6cca489a88324f20b71c0f.dll,#1

Network

Files

N/A