Malware Analysis Report

2024-11-13 16:42

Sample ID 230227-kqkq3acf69
Target tmp
SHA256 1fe0daa8e8374c77b7bf90a48e1c9d309cdc686cca84441a84957cedbf039c70
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

1fe0daa8e8374c77b7bf90a48e1c9d309cdc686cca84441a84957cedbf039c70

Threat Level: Known bad

The file tmp was found to be: Known bad.

Malicious Activity Summary

purecrypter downloader loader

Purecrypter family

PureCrypter

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2023-02-27 08:48

Signatures

Purecrypter family

purecrypter

Analysis: behavioral1

Detonation Overview

Submitted

2023-02-27 08:48

Reported

2023-02-27 08:50

Platform

win7-20230220-en

Max time kernel

147s

Max time network

151s

Command Line

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

Signatures

PureCrypter

loader downloader purecrypter

Suspicious use of AdjustPrivilegeToken

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

Processes

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 revitape.com udp
BR 186.250.243.186:80 revitape.com tcp
BR 186.250.243.186:80 revitape.com tcp
BR 186.250.243.186:80 revitape.com tcp
BR 186.250.243.186:80 revitape.com tcp
BR 186.250.243.186:80 revitape.com tcp
BR 186.250.243.186:80 revitape.com tcp
BR 186.250.243.186:80 revitape.com tcp
BR 186.250.243.186:80 revitape.com tcp
BR 186.250.243.186:80 revitape.com tcp
BR 186.250.243.186:80 revitape.com tcp
BR 186.250.243.186:80 revitape.com tcp
BR 186.250.243.186:80 revitape.com tcp
BR 186.250.243.186:80 revitape.com tcp
BR 186.250.243.186:80 revitape.com tcp
BR 186.250.243.186:80 revitape.com tcp
BR 186.250.243.186:80 revitape.com tcp
BR 186.250.243.186:80 revitape.com tcp

Files

memory/1308-54-0x0000000000920000-0x000000000093C000-memory.dmp

memory/1308-55-0x00000000008D0000-0x0000000000910000-memory.dmp

memory/1308-56-0x00000000008D0000-0x0000000000910000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-02-27 08:48

Reported

2023-02-27 08:50

Platform

win10v2004-20230220-en

Max time kernel

138s

Max time network

150s

Command Line

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

Signatures

PureCrypter

loader downloader purecrypter

Suspicious use of AdjustPrivilegeToken

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

Processes

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 84.150.43.20.in-addr.arpa udp
US 8.8.8.8:53 240.232.18.117.in-addr.arpa udp
US 8.8.8.8:53 revitape.com udp
BR 186.250.243.186:80 revitape.com tcp
US 8.8.8.8:53 210.81.184.52.in-addr.arpa udp
BR 186.250.243.186:80 revitape.com tcp
US 8.8.8.8:53 186.243.250.186.in-addr.arpa udp
BR 186.250.243.186:80 revitape.com tcp
BR 186.250.243.186:80 revitape.com tcp
BR 186.250.243.186:80 revitape.com tcp
BR 186.250.243.186:80 revitape.com tcp
BR 186.250.243.186:80 revitape.com tcp
BR 186.250.243.186:80 revitape.com tcp
BR 186.250.243.186:80 revitape.com tcp
BR 186.250.243.186:80 revitape.com tcp
BR 186.250.243.186:80 revitape.com tcp
BR 186.250.243.186:80 revitape.com tcp
BR 186.250.243.186:80 revitape.com tcp
BR 186.250.243.186:80 revitape.com tcp
BR 186.250.243.186:80 revitape.com tcp
BR 186.250.243.186:80 revitape.com tcp
BR 186.250.243.186:80 revitape.com tcp
BR 186.250.243.186:80 revitape.com tcp
BR 186.250.243.186:80 revitape.com tcp
BR 186.250.243.186:80 revitape.com tcp
US 8.8.8.8:53 64.13.109.52.in-addr.arpa udp
BR 186.250.243.186:80 revitape.com tcp
NL 173.223.113.164:443 tcp
NL 173.223.113.131:80 tcp
US 131.253.33.203:80 tcp
BR 186.250.243.186:80 revitape.com tcp
BR 186.250.243.186:80 revitape.com tcp
NL 8.238.20.126:80 tcp
BR 186.250.243.186:80 revitape.com tcp
BR 186.250.243.186:80 revitape.com tcp

Files

memory/3364-133-0x0000000000420000-0x000000000043C000-memory.dmp

memory/3364-134-0x0000000004D60000-0x0000000004D70000-memory.dmp

memory/3364-135-0x0000000004D60000-0x0000000004D70000-memory.dmp