Malware Analysis Report

2024-11-30 10:52

Sample ID 230909-w5nxtadd92
Target fee3ccd5a78be6b4ccf03e952541fe14exe_JC.exe
SHA256 ba2528c4945d01ec159c598f9c1d04da46e000a8069b1021dc53f7955d617db2
Tags
fakeav fakeav persistence spyware
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

ba2528c4945d01ec159c598f9c1d04da46e000a8069b1021dc53f7955d617db2

Threat Level: Known bad

The file fee3ccd5a78be6b4ccf03e952541fe14exe_JC.exe was found to be: Known bad.

Malicious Activity Summary

fakeav fakeav persistence spyware

FakeAV payload

Fakeav family

FakeAV, RogueAntivirus

FakeAV payload

Adds Run key to start application

Drops file in System32 directory

Drops file in Windows directory

Unsigned PE

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-09-09 18:30

Signatures

FakeAV payload

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

Fakeav family

fakeav

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral2

Detonation Overview

Submitted

2023-09-09 18:30

Reported

2023-09-09 18:33

Platform

win10v2004-20230831-en

Max time kernel

141s

Max time network

147s

Command Line

"C:\Users\Admin\AppData\Local\Temp\fee3ccd5a78be6b4ccf03e952541fe14exe_JC.exe"

Signatures

FakeAV, RogueAntivirus

fakeav spyware fakeav

FakeAV payload

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

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CSRLT.EXE = "C:\\Windows\\system32\\CSRLT.EXE" C:\Users\Admin\AppData\Local\Temp\fee3ccd5a78be6b4ccf03e952541fe14exe_JC.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\fee3ccd5a78be6b4ccf03e952541fe14exe_JC.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\fee3ccd5a78be6b4ccf03e952541fe14exe_JC.exe N/A
File opened for modification C:\Windows\SysWOW64\CSRLT.EXE C:\Users\Admin\AppData\Local\Temp\fee3ccd5a78be6b4ccf03e952541fe14exe_JC.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\MSBLT.EXE C:\Users\Admin\AppData\Local\Temp\fee3ccd5a78be6b4ccf03e952541fe14exe_JC.exe N/A
File opened for modification C:\Windows\MSBLT.EXE C:\Users\Admin\AppData\Local\Temp\fee3ccd5a78be6b4ccf03e952541fe14exe_JC.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\fee3ccd5a78be6b4ccf03e952541fe14exe_JC.exe

"C:\Users\Admin\AppData\Local\Temp\fee3ccd5a78be6b4ccf03e952541fe14exe_JC.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 146.78.124.51.in-addr.arpa udp
US 8.8.8.8:53 64.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 2.136.104.51.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 126.22.238.8.in-addr.arpa udp
US 8.8.8.8:53 88.16.208.104.in-addr.arpa udp

Files

memory/4092-0-0x0000000002010000-0x0000000002011000-memory.dmp

memory/4092-5-0x0000000000400000-0x00000000004BD000-memory.dmp

memory/4092-6-0x0000000002010000-0x0000000002011000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2023-09-09 18:30

Reported

2023-09-09 18:33

Platform

win7-20230831-en

Max time kernel

140s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\fee3ccd5a78be6b4ccf03e952541fe14exe_JC.exe"

Signatures

FakeAV, RogueAntivirus

fakeav spyware fakeav

FakeAV payload

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

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\MSBLT.EXE = "C:\\Windows\\MSBLT.EXE" C:\Users\Admin\AppData\Local\Temp\fee3ccd5a78be6b4ccf03e952541fe14exe_JC.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\fee3ccd5a78be6b4ccf03e952541fe14exe_JC.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\fee3ccd5a78be6b4ccf03e952541fe14exe_JC.exe N/A
File opened for modification C:\Windows\SysWOW64\CSRLT.EXE C:\Users\Admin\AppData\Local\Temp\fee3ccd5a78be6b4ccf03e952541fe14exe_JC.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\MSBLT.EXE C:\Users\Admin\AppData\Local\Temp\fee3ccd5a78be6b4ccf03e952541fe14exe_JC.exe N/A
File opened for modification C:\Windows\MSBLT.EXE C:\Users\Admin\AppData\Local\Temp\fee3ccd5a78be6b4ccf03e952541fe14exe_JC.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\fee3ccd5a78be6b4ccf03e952541fe14exe_JC.exe

"C:\Users\Admin\AppData\Local\Temp\fee3ccd5a78be6b4ccf03e952541fe14exe_JC.exe"

Network

N/A

Files

memory/2600-0-0x0000000000100000-0x0000000000101000-memory.dmp

memory/2600-5-0x0000000000400000-0x00000000004BD000-memory.dmp

memory/2600-6-0x0000000000100000-0x0000000000101000-memory.dmp