Malware Analysis Report

2024-10-16 06:27

Sample ID 220201-tedytahea2
Target ff2f46ca0fb425eaea52a71c3126ef13280be3ab4f81dc165920b46e55948d6c
SHA256 ff2f46ca0fb425eaea52a71c3126ef13280be3ab4f81dc165920b46e55948d6c
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

ff2f46ca0fb425eaea52a71c3126ef13280be3ab4f81dc165920b46e55948d6c

Threat Level: Known bad

The file ff2f46ca0fb425eaea52a71c3126ef13280be3ab4f81dc165920b46e55948d6c was found to be: Known bad.

Malicious Activity Summary

ta505 upx

TA505

UPX packed file

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2022-02-01 15:57

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2022-02-01 15:57

Reported

2022-02-02 06:36

Platform

win7-en-20211208

Max time kernel

117s

Max time network

137s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\ff2f46ca0fb425eaea52a71c3126ef13280be3ab4f81dc165920b46e55948d6c.dll,#1

Signatures

TA505

ta505

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 1612 wrote to memory of 1396 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1612 wrote to memory of 1396 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1612 wrote to memory of 1396 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1612 wrote to memory of 1396 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1612 wrote to memory of 1396 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1612 wrote to memory of 1396 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1612 wrote to memory of 1396 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\ff2f46ca0fb425eaea52a71c3126ef13280be3ab4f81dc165920b46e55948d6c.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\ff2f46ca0fb425eaea52a71c3126ef13280be3ab4f81dc165920b46e55948d6c.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 windows-se-update.com udp

Files

memory/1396-55-0x0000000075AC1000-0x0000000075AC3000-memory.dmp

memory/1396-56-0x00000000001A0000-0x00000000001A1000-memory.dmp

memory/1396-57-0x0000000010000000-0x0000000010047000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-02-01 15:57

Reported

2022-02-02 06:36

Platform

win10v2004-en-20220112

Max time kernel

87s

Max time network

172s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\ff2f46ca0fb425eaea52a71c3126ef13280be3ab4f81dc165920b46e55948d6c.dll,#1

Signatures

TA505

ta505

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
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3972 wrote to memory of 2440 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3972 wrote to memory of 2440 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3972 wrote to memory of 2440 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\ff2f46ca0fb425eaea52a71c3126ef13280be3ab4f81dc165920b46e55948d6c.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\ff2f46ca0fb425eaea52a71c3126ef13280be3ab4f81dc165920b46e55948d6c.dll,#1

Network

Country Destination Domain Proto
NL 104.80.224.57:443 tcp
BE 8.238.110.126:80 tcp
BE 8.238.110.126:80 tcp
NL 92.123.77.43:80 tcp
US 8.8.8.8:53 settings-win.data.microsoft.com udp
US 52.167.249.196:443 settings-win.data.microsoft.com tcp
US 72.21.91.29:80 tcp
US 8.8.8.8:53 windows-se-update.com udp
US 72.21.91.29:80 tcp

Files

memory/2440-130-0x0000000003260000-0x0000000003261000-memory.dmp

memory/2440-131-0x0000000010000000-0x0000000010047000-memory.dmp