Malware Analysis Report

2024-11-15 08:52

Sample ID 230224-rrve8ahf72
Target f7fcd7edfb46bf4003106731a9f2c22a.exe
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 f7fcd7edfb46bf4003106731a9f2c22a.exe was found to be: Known bad.

Malicious Activity Summary

purecrypter downloader loader

PureCrypter

Purecrypter family

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2023-02-24 14:26

Signatures

Purecrypter family

purecrypter

Analysis: behavioral1

Detonation Overview

Submitted

2023-02-24 14:26

Reported

2023-02-24 14:28

Platform

win7-20230220-en

Max time kernel

142s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f7fcd7edfb46bf4003106731a9f2c22a.exe"

Signatures

PureCrypter

loader downloader purecrypter

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\f7fcd7edfb46bf4003106731a9f2c22a.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\f7fcd7edfb46bf4003106731a9f2c22a.exe

"C:\Users\Admin\AppData\Local\Temp\f7fcd7edfb46bf4003106731a9f2c22a.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

Files

memory/1852-54-0x0000000000360000-0x000000000037C000-memory.dmp

memory/1852-55-0x0000000004A60000-0x0000000004AA0000-memory.dmp

memory/1852-56-0x0000000004A60000-0x0000000004AA0000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-02-24 14:26

Reported

2023-02-24 14:28

Platform

win10v2004-20230220-en

Max time kernel

149s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f7fcd7edfb46bf4003106731a9f2c22a.exe"

Signatures

PureCrypter

loader downloader purecrypter

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\f7fcd7edfb46bf4003106731a9f2c22a.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\f7fcd7edfb46bf4003106731a9f2c22a.exe

"C:\Users\Admin\AppData\Local\Temp\f7fcd7edfb46bf4003106731a9f2c22a.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 210.81.184.52.in-addr.arpa udp
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
US 8.8.8.8:53 96.108.152.52.in-addr.arpa udp
US 20.189.173.5:443 tcp
US 93.184.220.29:80 tcp
US 93.184.220.29:80 tcp
NL 173.223.113.164:443 tcp
NL 173.223.113.131:80 tcp
BR 186.250.243.186:80 revitape.com tcp
US 8.8.8.8:53 86.8.109.52.in-addr.arpa udp
NL 8.238.177.126:80 tcp
US 8.8.8.8:53 121.208.253.8.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

Files

memory/3612-133-0x0000000000E40000-0x0000000000E5C000-memory.dmp

memory/3612-134-0x00000000030E0000-0x00000000030F0000-memory.dmp

memory/3612-135-0x00000000030E0000-0x00000000030F0000-memory.dmp