Malware Analysis Report

2024-11-30 21:48

Sample ID 230212-bc434sge5v
Target 14fec5297bef8c5fa6d3f0f5934dea32.bin
SHA256 b52eb2f20e2e82bdac7e31cea46ec41118ba4bb720f00dce3a0c2cbb1187dc78
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

b52eb2f20e2e82bdac7e31cea46ec41118ba4bb720f00dce3a0c2cbb1187dc78

Threat Level: Known bad

The file 14fec5297bef8c5fa6d3f0f5934dea32.bin 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

2023-02-12 01:00

Signatures

Purecrypter family

purecrypter

Analysis: behavioral1

Detonation Overview

Submitted

2023-02-12 01:00

Reported

2023-02-12 01:04

Platform

win7-20221111-en

Max time kernel

67s

Max time network

71s

Command Line

"C:\Users\Admin\AppData\Local\Temp\bc080be46ac6e8aaff225091e2afdb6074fed20e30d30e1ad018f58a1e1901b7.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\bc080be46ac6e8aaff225091e2afdb6074fed20e30d30e1ad018f58a1e1901b7.exe

"C:\Users\Admin\AppData\Local\Temp\bc080be46ac6e8aaff225091e2afdb6074fed20e30d30e1ad018f58a1e1901b7.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 904 -s 1192

Network

Country Destination Domain Proto
US 8.8.8.8:53 vinosbiodinamicos.com udp
HU 92.52.217.24:443 vinosbiodinamicos.com tcp

Files

memory/904-54-0x0000000000BF0000-0x0000000000BF8000-memory.dmp

memory/904-55-0x0000000074DE1000-0x0000000074DE3000-memory.dmp

memory/1672-56-0x0000000000000000-mapping.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-02-12 01:00

Reported

2023-02-12 01:06

Platform

win10v2004-20221111-en

Max time kernel

239s

Max time network

303s

Command Line

"C:\Users\Admin\AppData\Local\Temp\bc080be46ac6e8aaff225091e2afdb6074fed20e30d30e1ad018f58a1e1901b7.exe"

Signatures

PureCrypter

loader downloader purecrypter

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bc080be46ac6e8aaff225091e2afdb6074fed20e30d30e1ad018f58a1e1901b7.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\bc080be46ac6e8aaff225091e2afdb6074fed20e30d30e1ad018f58a1e1901b7.exe

"C:\Users\Admin\AppData\Local\Temp\bc080be46ac6e8aaff225091e2afdb6074fed20e30d30e1ad018f58a1e1901b7.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4732 -ip 4732

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4732 -s 1968

Network

Country Destination Domain Proto
US 204.79.197.200:443 tcp
US 204.79.197.200:443 tcp
US 93.184.221.240:80 tcp
US 93.184.220.29:80 tcp
US 93.184.221.240:80 tcp
US 93.184.221.240:80 tcp
US 20.42.65.89:443 tcp
NL 104.80.225.205:443 tcp
US 93.184.221.240:80 tcp
US 93.184.221.240:80 tcp
US 52.152.110.14:443 tcp
US 52.152.110.14:443 tcp
US 52.152.110.14:443 tcp
US 8.8.8.8:53 vinosbiodinamicos.com udp
HU 92.52.217.24:443 vinosbiodinamicos.com tcp
HU 92.52.217.24:443 vinosbiodinamicos.com tcp
US 8.8.8.8:53 151.122.125.40.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp

Files

memory/4732-132-0x00000000005A0000-0x00000000005A8000-memory.dmp

memory/4732-133-0x00000000054C0000-0x0000000005A64000-memory.dmp

memory/4732-134-0x0000000004FB0000-0x0000000005042000-memory.dmp