Malware Analysis Report

2025-05-28 17:26

Sample ID 221205-j4tepafa91
Target tmp
SHA256 9bed965557631646dc5f0bf1126a9da3bf9c8c8e92e792055f981668e06c3708
Tags
loader purecrypter
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

9bed965557631646dc5f0bf1126a9da3bf9c8c8e92e792055f981668e06c3708

Threat Level: Known bad

The file tmp was found to be: Known bad.

Malicious Activity Summary

loader purecrypter

Detect PureCrypter loader

Purecrypter family

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2022-12-05 08:13

Signatures

Detect PureCrypter loader

loader
Description Indicator Process Target
N/A N/A N/A N/A

Purecrypter family

purecrypter

Analysis: behavioral1

Detonation Overview

Submitted

2022-12-05 08:13

Reported

2022-12-05 08:16

Platform

win7-20220901-en

Max time kernel

46s

Max time network

52s

Command Line

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

Signatures

N/A

Processes

C:\Windows\system32\rundll32.exe

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

Network

N/A

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2022-12-05 08:13

Reported

2022-12-05 08:17

Platform

win10v2004-20221111-en

Max time kernel

169s

Max time network

207s

Command Line

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

Signatures

N/A

Processes

C:\Windows\system32\rundll32.exe

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

Network

Country Destination Domain Proto
N/A 209.197.3.8:80 tcp
N/A 93.184.220.29:80 tcp
N/A 72.21.81.240:80 tcp
N/A 72.21.81.240:80 tcp
N/A 104.80.225.205:443 tcp
N/A 20.50.73.10:443 tcp
N/A 96.16.53.137:80 tcp
N/A 96.16.53.137:80 tcp
N/A 96.16.53.137:80 tcp
N/A 8.8.8.8:53 226.101.242.52.in-addr.arpa udp
N/A 8.8.8.8:53 9.9.0.0.0.0.0.0.0.0.0.0.0.0.0.0.3.0.0.0.2.0.0.0.0.2.0.1.3.0.6.2.ip6.arpa udp
N/A 67.24.25.254:80 tcp
N/A 67.24.25.254:80 tcp
N/A 8.238.20.254:80 tcp
N/A 8.238.20.254:80 tcp

Files

N/A