Malware Analysis Report

2025-05-28 17:26

Sample ID 221205-j14fgsah45
Target tmp
SHA256 c401070db22f1fa3a5dc170b4b60920c8dde1d1bd7f0404952c13e897f07b820
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

c401070db22f1fa3a5dc170b4b60920c8dde1d1bd7f0404952c13e897f07b820

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 08:09

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 08:09

Reported

2022-12-05 08:13

Platform

win7-20221111-en

Max time kernel

52s

Max time network

35s

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 08:09

Reported

2022-12-05 08:12

Platform

win10v2004-20221111-en

Max time kernel

155s

Max time network

186s

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 20.42.65.84:443 tcp
N/A 20.190.159.68:443 tcp
N/A 8.8.8.8:53 96.108.152.52.in-addr.arpa udp
N/A 8.8.8.8:53 2.8.0.0.0.0.0.0.0.0.0.0.0.0.0.0.3.0.0.0.4.0.c.0.0.3.0.1.3.0.6.2.ip6.arpa udp

Files

N/A