Malware Analysis Report

2024-11-13 16:42

Sample ID 230228-bh331agg78
Target ef0fdc710efe73584e0e6a0a16840fb3863ac5c27d73148463242f53b003991c
SHA256 ef0fdc710efe73584e0e6a0a16840fb3863ac5c27d73148463242f53b003991c
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

ef0fdc710efe73584e0e6a0a16840fb3863ac5c27d73148463242f53b003991c

Threat Level: Known bad

The file ef0fdc710efe73584e0e6a0a16840fb3863ac5c27d73148463242f53b003991c was found to be: Known bad.

Malicious Activity Summary

purecrypter downloader loader

Purecrypter family

PureCrypter

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2023-02-28 01:09

Signatures

Purecrypter family

purecrypter

Analysis: behavioral1

Detonation Overview

Submitted

2023-02-28 01:09

Reported

2023-02-28 01:12

Platform

win7-20230220-en

Max time kernel

115s

Max time network

130s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ef0fdc710efe73584e0e6a0a16840fb3863ac5c27d73148463242f53b003991c.exe"

Signatures

PureCrypter

loader downloader purecrypter

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\ef0fdc710efe73584e0e6a0a16840fb3863ac5c27d73148463242f53b003991c.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\ef0fdc710efe73584e0e6a0a16840fb3863ac5c27d73148463242f53b003991c.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\ef0fdc710efe73584e0e6a0a16840fb3863ac5c27d73148463242f53b003991c.exe

"C:\Users\Admin\AppData\Local\Temp\ef0fdc710efe73584e0e6a0a16840fb3863ac5c27d73148463242f53b003991c.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 cents-ability.org udp
US 198.187.31.39:443 cents-ability.org tcp
US 198.187.31.39:443 cents-ability.org tcp
US 198.187.31.39:443 cents-ability.org tcp

Files

memory/1676-54-0x0000000001200000-0x0000000001208000-memory.dmp

memory/1676-55-0x0000000005410000-0x0000000005450000-memory.dmp

memory/1676-56-0x0000000005410000-0x0000000005450000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-02-28 01:09

Reported

2023-02-28 01:12

Platform

win10v2004-20230221-en

Max time kernel

140s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ef0fdc710efe73584e0e6a0a16840fb3863ac5c27d73148463242f53b003991c.exe"

Signatures

PureCrypter

loader downloader purecrypter

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\ef0fdc710efe73584e0e6a0a16840fb3863ac5c27d73148463242f53b003991c.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\ef0fdc710efe73584e0e6a0a16840fb3863ac5c27d73148463242f53b003991c.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\ef0fdc710efe73584e0e6a0a16840fb3863ac5c27d73148463242f53b003991c.exe

"C:\Users\Admin\AppData\Local\Temp\ef0fdc710efe73584e0e6a0a16840fb3863ac5c27d73148463242f53b003991c.exe"

Network

Country Destination Domain Proto
US 52.137.108.250:443 tcp
US 8.8.8.8:53 29.220.184.93.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 199.176.139.52.in-addr.arpa udp
US 8.8.8.8:53 cents-ability.org udp
US 198.187.31.39:443 cents-ability.org tcp
US 8.8.8.8:53 97.97.242.52.in-addr.arpa udp
US 8.8.8.8:53 254.3.248.8.in-addr.arpa udp
US 8.8.8.8:53 39.31.187.198.in-addr.arpa udp
US 52.182.141.63:443 tcp
US 198.187.31.39:443 cents-ability.org tcp
US 8.8.8.8:53 203.151.224.20.in-addr.arpa udp
US 209.197.3.8:80 tcp
US 198.187.31.39:443 cents-ability.org tcp
US 209.197.3.8:80 tcp
NL 173.223.113.164:443 tcp
US 198.187.31.39:443 cents-ability.org tcp

Files

memory/4980-133-0x00000000000B0000-0x00000000000B8000-memory.dmp

memory/4980-134-0x0000000004A00000-0x0000000004A66000-memory.dmp

memory/4980-135-0x0000000004FA0000-0x0000000004FB0000-memory.dmp

memory/4980-136-0x0000000004FA0000-0x0000000004FB0000-memory.dmp