Malware Analysis Report

2024-11-30 10:53

Sample ID 220730-z3x99ahdgl
Target 6bd22339aa143add51ec91aa5f48b8cb985349c291a92a2a8106471fff99a210
SHA256 6bd22339aa143add51ec91aa5f48b8cb985349c291a92a2a8106471fff99a210
Tags
fakeav spyware fakeav persistence
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

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

6bd22339aa143add51ec91aa5f48b8cb985349c291a92a2a8106471fff99a210

Threat Level: Known bad

The file 6bd22339aa143add51ec91aa5f48b8cb985349c291a92a2a8106471fff99a210 was found to be: Known bad.

Malicious Activity Summary

fakeav spyware fakeav persistence

Fakeav family

FakeAV, RogueAntivirus

FakeAV payload

Adds Run key to start application

Drops file in System32 directory

Drops file in Windows directory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-07-30 21:15

Signatures

FakeAV payload

fakeav spyware
Description Indicator Process Target
N/A N/A N/A N/A

Fakeav family

fakeav

Analysis: behavioral1

Detonation Overview

Submitted

2022-07-30 21:15

Reported

2022-07-30 21:39

Platform

win7-20220718-en

Max time kernel

17s

Max time network

47s

Command Line

"C:\Users\Admin\AppData\Local\Temp\6bd22339aa143add51ec91aa5f48b8cb985349c291a92a2a8106471fff99a210.exe"

Signatures

FakeAV, RogueAntivirus

fakeav spyware fakeav

Adds Run key to start application

persistence
Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run C:\Users\Admin\AppData\Local\Temp\6bd22339aa143add51ec91aa5f48b8cb985349c291a92a2a8106471fff99a210.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\CSRLT.EXE = "C:\\Windows\\system32\\CSRLT.EXE" C:\Users\Admin\AppData\Local\Temp\6bd22339aa143add51ec91aa5f48b8cb985349c291a92a2a8106471fff99a210.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce C:\Users\Admin\AppData\Local\Temp\6bd22339aa143add51ec91aa5f48b8cb985349c291a92a2a8106471fff99a210.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\MSBLT.EXE = "C:\\Windows\\MSBLT.EXE" C:\Users\Admin\AppData\Local\Temp\6bd22339aa143add51ec91aa5f48b8cb985349c291a92a2a8106471fff99a210.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File created C:\Windows\SysWOW64\CSRLT.EXE C:\Users\Admin\AppData\Local\Temp\6bd22339aa143add51ec91aa5f48b8cb985349c291a92a2a8106471fff99a210.exe N/A
File opened for modification C:\Windows\SysWOW64\CSRLT.EXE C:\Users\Admin\AppData\Local\Temp\6bd22339aa143add51ec91aa5f48b8cb985349c291a92a2a8106471fff99a210.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File opened for modification C:\Windows\MSBLT.EXE C:\Users\Admin\AppData\Local\Temp\6bd22339aa143add51ec91aa5f48b8cb985349c291a92a2a8106471fff99a210.exe N/A
File created C:\Windows\MSBLT.EXE C:\Users\Admin\AppData\Local\Temp\6bd22339aa143add51ec91aa5f48b8cb985349c291a92a2a8106471fff99a210.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\6bd22339aa143add51ec91aa5f48b8cb985349c291a92a2a8106471fff99a210.exe

"C:\Users\Admin\AppData\Local\Temp\6bd22339aa143add51ec91aa5f48b8cb985349c291a92a2a8106471fff99a210.exe"

Network

N/A

Files

memory/1912-54-0x0000000074D61000-0x0000000074D63000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-07-30 21:15

Reported

2022-07-30 21:38

Platform

win10v2004-20220722-en

Max time kernel

147s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\6bd22339aa143add51ec91aa5f48b8cb985349c291a92a2a8106471fff99a210.exe"

Signatures

FakeAV, RogueAntivirus

fakeav spyware fakeav

Adds Run key to start application

persistence
Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run C:\Users\Admin\AppData\Local\Temp\6bd22339aa143add51ec91aa5f48b8cb985349c291a92a2a8106471fff99a210.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CSRLT.EXE = "C:\\Windows\\system32\\CSRLT.EXE" C:\Users\Admin\AppData\Local\Temp\6bd22339aa143add51ec91aa5f48b8cb985349c291a92a2a8106471fff99a210.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce C:\Users\Admin\AppData\Local\Temp\6bd22339aa143add51ec91aa5f48b8cb985349c291a92a2a8106471fff99a210.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\MSBLT.EXE = "C:\\Windows\\MSBLT.EXE" C:\Users\Admin\AppData\Local\Temp\6bd22339aa143add51ec91aa5f48b8cb985349c291a92a2a8106471fff99a210.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\CSRLT.EXE C:\Users\Admin\AppData\Local\Temp\6bd22339aa143add51ec91aa5f48b8cb985349c291a92a2a8106471fff99a210.exe N/A
File created C:\Windows\SysWOW64\CSRLT.EXE C:\Users\Admin\AppData\Local\Temp\6bd22339aa143add51ec91aa5f48b8cb985349c291a92a2a8106471fff99a210.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\MSBLT.EXE C:\Users\Admin\AppData\Local\Temp\6bd22339aa143add51ec91aa5f48b8cb985349c291a92a2a8106471fff99a210.exe N/A
File opened for modification C:\Windows\MSBLT.EXE C:\Users\Admin\AppData\Local\Temp\6bd22339aa143add51ec91aa5f48b8cb985349c291a92a2a8106471fff99a210.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\6bd22339aa143add51ec91aa5f48b8cb985349c291a92a2a8106471fff99a210.exe

"C:\Users\Admin\AppData\Local\Temp\6bd22339aa143add51ec91aa5f48b8cb985349c291a92a2a8106471fff99a210.exe"

Network

Country Destination Domain Proto
US 52.109.8.21:443 tcp
BE 8.238.111.254:80 tcp
BE 8.238.111.254:80 tcp
BE 8.238.111.254:80 tcp

Files

N/A