Malware Analysis Report

2024-11-15 08:52

Sample ID 230226-b8s1qafd34
Target f7fcd7edfb46bf4003106731a9f2c22a.bin
SHA256 7dea63a3fa0d673589b7c2c8a801af2436b648d2555dd66e38a7736c8c452ad9
Tags
purecrypter downloader loader
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral3

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral4

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

7dea63a3fa0d673589b7c2c8a801af2436b648d2555dd66e38a7736c8c452ad9

Threat Level: Known bad

The file f7fcd7edfb46bf4003106731a9f2c22a.bin 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

2023-02-26 01:49

Signatures

Purecrypter family

purecrypter

Analysis: behavioral2

Detonation Overview

Submitted

2023-02-26 01:49

Reported

2023-02-26 01:51

Platform

win10v2004-20230220-en

Max time kernel

82s

Max time network

145s

Command Line

C:\Windows\Explorer.exe /idlist,,C:\Users\Admin\AppData\Local\Temp\f7fcd7edfb46bf4003106731a9f2c22a.zip

Signatures

N/A

Processes

C:\Windows\Explorer.exe

C:\Windows\Explorer.exe /idlist,,C:\Users\Admin\AppData\Local\Temp\f7fcd7edfb46bf4003106731a9f2c22a.zip

Network

Country Destination Domain Proto
US 209.197.3.8:80 tcp
US 8.8.8.8:53 164.113.223.173.in-addr.arpa udp
US 8.8.8.8:53 199.176.139.52.in-addr.arpa udp
US 209.197.3.8:80 tcp
US 8.8.8.8:53 42.220.44.20.in-addr.arpa udp
IE 20.54.89.15:443 tcp
US 13.89.178.27:443 tcp
US 8.8.8.8:53 164.2.77.40.in-addr.arpa udp
US 8.8.8.8:53 2.36.159.162.in-addr.arpa udp
US 8.8.8.8:53 164.2.77.40.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 93.184.220.29:80 tcp
US 209.197.3.8:80 tcp

Files

N/A

Analysis: behavioral3

Detonation Overview

Submitted

2023-02-26 01:49

Reported

2023-02-26 01:51

Platform

win7-20230220-en

Max time kernel

149s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1fe0daa8e8374c77b7bf90a48e1c9d309cdc686cca84441a84957cedbf039c70.exe"

Signatures

PureCrypter

loader downloader purecrypter

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1fe0daa8e8374c77b7bf90a48e1c9d309cdc686cca84441a84957cedbf039c70.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\1fe0daa8e8374c77b7bf90a48e1c9d309cdc686cca84441a84957cedbf039c70.exe

"C:\Users\Admin\AppData\Local\Temp\1fe0daa8e8374c77b7bf90a48e1c9d309cdc686cca84441a84957cedbf039c70.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
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/1480-54-0x0000000000370000-0x000000000038C000-memory.dmp

memory/1480-55-0x0000000004B50000-0x0000000004B90000-memory.dmp

memory/1480-56-0x0000000004B50000-0x0000000004B90000-memory.dmp

Analysis: behavioral4

Detonation Overview

Submitted

2023-02-26 01:49

Reported

2023-02-26 01:51

Platform

win10v2004-20230220-en

Max time kernel

134s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1fe0daa8e8374c77b7bf90a48e1c9d309cdc686cca84441a84957cedbf039c70.exe"

Signatures

PureCrypter

loader downloader purecrypter

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1fe0daa8e8374c77b7bf90a48e1c9d309cdc686cca84441a84957cedbf039c70.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\1fe0daa8e8374c77b7bf90a48e1c9d309cdc686cca84441a84957cedbf039c70.exe

"C:\Users\Admin\AppData\Local\Temp\1fe0daa8e8374c77b7bf90a48e1c9d309cdc686cca84441a84957cedbf039c70.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 revitape.com udp
BR 186.250.243.186:80 revitape.com tcp
US 8.8.8.8:53 199.176.139.52.in-addr.arpa udp
BR 186.250.243.186:80 revitape.com tcp
BR 186.250.243.186:80 revitape.com tcp
US 8.8.8.8:53 186.243.250.186.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
JP 13.78.111.198:443 tcp
BR 186.250.243.186:80 revitape.com tcp
US 93.184.221.240:80 tcp
BR 186.250.243.186:80 revitape.com tcp
US 93.184.221.240:80 tcp
NL 173.223.113.164:443 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/4088-133-0x0000000000E90000-0x0000000000EAC000-memory.dmp

memory/4088-134-0x0000000005940000-0x0000000005950000-memory.dmp

memory/4088-135-0x0000000005940000-0x0000000005950000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2023-02-26 01:49

Reported

2023-02-26 01:51

Platform

win7-20230220-en

Max time kernel

30s

Max time network

33s

Command Line

C:\Windows\Explorer.exe /idlist,,C:\Users\Admin\AppData\Local\Temp\f7fcd7edfb46bf4003106731a9f2c22a.zip

Signatures

N/A

Processes

C:\Windows\Explorer.exe

C:\Windows\Explorer.exe /idlist,,C:\Users\Admin\AppData\Local\Temp\f7fcd7edfb46bf4003106731a9f2c22a.zip

Network

N/A

Files

N/A