Malware Analysis Report

2024-11-30 21:53

Sample ID 230206-h9eytace84
Target 0x000400000001e68a-147.dat
SHA256 abccee4556d532981bd1a3a36b92e9563c880eb93517ba677417741dbafe302a
Tags
purecrypter downloader loader
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

abccee4556d532981bd1a3a36b92e9563c880eb93517ba677417741dbafe302a

Threat Level: Known bad

The file 0x000400000001e68a-147.dat was found to be: Known bad.

Malicious Activity Summary

purecrypter downloader loader

Purecrypter family

PureCrypter

Program crash

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2023-02-06 07:25

Signatures

Purecrypter family

purecrypter

Analysis: behavioral1

Detonation Overview

Submitted

2023-02-06 07:25

Reported

2023-02-06 07:28

Platform

win7-20221111-en

Max time kernel

27s

Max time network

30s

Command Line

"C:\Users\Admin\AppData\Local\Temp\0x000400000001e68a-147.exe"

Signatures

PureCrypter

loader downloader purecrypter

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0x000400000001e68a-147.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\0x000400000001e68a-147.exe

"C:\Users\Admin\AppData\Local\Temp\0x000400000001e68a-147.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2020 -s 1196

Network

Country Destination Domain Proto
US 8.8.8.8:53 modeloartesanatos.com.br udp
BR 186.202.153.7:80 modeloartesanatos.com.br tcp
BR 186.202.153.7:80 modeloartesanatos.com.br tcp
BR 186.202.153.7:80 modeloartesanatos.com.br tcp
BR 186.202.153.7:80 modeloartesanatos.com.br tcp
BR 186.202.153.7:80 modeloartesanatos.com.br tcp

Files

memory/2020-54-0x0000000000230000-0x000000000023C000-memory.dmp

memory/2020-55-0x0000000075D61000-0x0000000075D63000-memory.dmp

memory/1044-56-0x0000000000000000-mapping.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-02-06 07:25

Reported

2023-02-06 07:28

Platform

win10v2004-20221111-en

Max time kernel

91s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\0x000400000001e68a-147.exe"

Signatures

PureCrypter

loader downloader purecrypter

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0x000400000001e68a-147.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\0x000400000001e68a-147.exe

"C:\Users\Admin\AppData\Local\Temp\0x000400000001e68a-147.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 3632 -ip 3632

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3632 -s 1696

Network

Country Destination Domain Proto
US 8.8.8.8:53 modeloartesanatos.com.br udp
BR 186.202.153.7:80 modeloartesanatos.com.br tcp
BR 186.202.153.7:80 modeloartesanatos.com.br tcp
BR 186.202.153.7:80 modeloartesanatos.com.br tcp
BR 186.202.153.7:80 modeloartesanatos.com.br tcp
BR 186.202.153.7:80 modeloartesanatos.com.br tcp
AU 104.46.162.226:443 tcp
NL 8.238.21.126:80 tcp
NL 104.80.225.205:443 tcp
NL 8.238.21.126:80 tcp
NL 8.238.21.126:80 tcp
NL 8.238.21.126:80 tcp
NL 8.238.21.126:80 tcp
NL 8.238.21.126:80 tcp

Files

memory/3632-132-0x00000000001A0000-0x00000000001AC000-memory.dmp