Malware Analysis Report

2024-11-30 21:49

Sample ID 230206-q8pqmaeb78
Target 00000000.exe
SHA256 5d566dfc59fc59261a8eeb61d60bbd84b6401a597a48eb56e19005c7f4178d03
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

5d566dfc59fc59261a8eeb61d60bbd84b6401a597a48eb56e19005c7f4178d03

Threat Level: Known bad

The file 00000000.exe was found to be: Known bad.

Malicious Activity Summary

purecrypter downloader loader

Purecrypter family

PureCrypter

Program crash

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2023-02-06 13:56

Signatures

Purecrypter family

purecrypter

Analysis: behavioral1

Detonation Overview

Submitted

2023-02-06 13:56

Reported

2023-02-06 13:59

Platform

win7-20220901-en

Max time kernel

94s

Max time network

98s

Command Line

"C:\Users\Admin\AppData\Local\Temp\00000000.exe"

Signatures

PureCrypter

loader downloader purecrypter

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Users\Admin\AppData\Local\Temp\00000000.exe

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\00000000.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\00000000.exe

"C:\Users\Admin\AppData\Local\Temp\00000000.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2032 -s 1200

Network

Country Destination Domain Proto
US 8.8.8.8:53 justnormalsite.ddns.net udp
NL 185.238.3.212:80 justnormalsite.ddns.net tcp
NL 185.238.3.212:80 justnormalsite.ddns.net tcp
NL 185.238.3.212:80 justnormalsite.ddns.net tcp
NL 185.238.3.212:80 justnormalsite.ddns.net tcp
NL 185.238.3.212:80 justnormalsite.ddns.net tcp

Files

memory/2032-54-0x0000000000B80000-0x0000000000BA4000-memory.dmp

memory/2032-55-0x0000000075A71000-0x0000000075A73000-memory.dmp

memory/1740-56-0x0000000000000000-mapping.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-02-06 13:56

Reported

2023-02-06 13:59

Platform

win10v2004-20220812-en

Max time kernel

98s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\00000000.exe"

Signatures

PureCrypter

loader downloader purecrypter

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Users\Admin\AppData\Local\Temp\00000000.exe

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\00000000.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\00000000.exe

"C:\Users\Admin\AppData\Local\Temp\00000000.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4260 -ip 4260

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4260 -s 1696

Network

Country Destination Domain Proto
US 8.8.8.8:53 justnormalsite.ddns.net udp
NL 185.238.3.212:80 justnormalsite.ddns.net tcp
NL 185.238.3.212:80 justnormalsite.ddns.net tcp
NL 185.238.3.212:80 justnormalsite.ddns.net tcp
NL 185.238.3.212:80 justnormalsite.ddns.net tcp
NL 185.238.3.212:80 justnormalsite.ddns.net tcp
US 93.184.220.29:80 tcp
US 93.184.220.29:80 tcp
US 209.197.3.8:80 tcp
US 209.197.3.8:80 tcp
IE 13.69.239.73:443 tcp
US 209.197.3.8:80 tcp
US 209.197.3.8:80 tcp

Files

memory/4260-132-0x0000000000730000-0x0000000000754000-memory.dmp