Malware Analysis Report

2024-11-30 10:52

Sample ID 231011-q2myfsce54
Target fb07296696475edb8d777947ca61734a_JC.exe
SHA256 dfd2ffc13ec0558e90566399111e3146909e74dceeef27abf05e6845ada7b0cf
Tags
fakeav spyware fakeav persistence
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

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

dfd2ffc13ec0558e90566399111e3146909e74dceeef27abf05e6845ada7b0cf

Threat Level: Known bad

The file fb07296696475edb8d777947ca61734a_JC.exe was found to be: Known bad.

Malicious Activity Summary

fakeav spyware fakeav persistence

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

2023-10-11 13:45

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: behavioral1

Detonation Overview

Submitted

2023-10-11 13:45

Reported

2023-10-12 01:49

Platform

win7-20230831-en

Max time kernel

145s

Max time network

124s

Command Line

"C:\Users\Admin\AppData\Local\Temp\fb07296696475edb8d777947ca61734a_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\fb07296696475edb8d777947ca61734a_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\fb07296696475edb8d777947ca61734a_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\fb07296696475edb8d777947ca61734a_JC.exe N/A
File opened for modification C:\Windows\SysWOW64\CSRLT.EXE C:\Users\Admin\AppData\Local\Temp\fb07296696475edb8d777947ca61734a_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\fb07296696475edb8d777947ca61734a_JC.exe N/A
File opened for modification C:\Windows\MSBLT.EXE C:\Users\Admin\AppData\Local\Temp\fb07296696475edb8d777947ca61734a_JC.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\fb07296696475edb8d777947ca61734a_JC.exe

"C:\Users\Admin\AppData\Local\Temp\fb07296696475edb8d777947ca61734a_JC.exe"

Network

N/A

Files

memory/3020-0-0x0000000000100000-0x0000000000101000-memory.dmp

memory/3020-5-0x0000000000400000-0x00000000004BD000-memory.dmp

memory/3020-6-0x0000000000100000-0x0000000000101000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-10-11 13:45

Reported

2023-10-12 01:50

Platform

win10v2004-20230915-en

Max time kernel

152s

Max time network

165s

Command Line

"C:\Users\Admin\AppData\Local\Temp\fb07296696475edb8d777947ca61734a_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\fb07296696475edb8d777947ca61734a_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\fb07296696475edb8d777947ca61734a_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\fb07296696475edb8d777947ca61734a_JC.exe N/A
File opened for modification C:\Windows\SysWOW64\CSRLT.EXE C:\Users\Admin\AppData\Local\Temp\fb07296696475edb8d777947ca61734a_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\fb07296696475edb8d777947ca61734a_JC.exe N/A
File opened for modification C:\Windows\MSBLT.EXE C:\Users\Admin\AppData\Local\Temp\fb07296696475edb8d777947ca61734a_JC.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\fb07296696475edb8d777947ca61734a_JC.exe

"C:\Users\Admin\AppData\Local\Temp\fb07296696475edb8d777947ca61734a_JC.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 74.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 108.211.229.192.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 59.128.231.4.in-addr.arpa udp
US 8.8.8.8:53 29.81.57.23.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 158.240.127.40.in-addr.arpa udp
US 8.8.8.8:53 254.177.238.8.in-addr.arpa udp
US 8.8.8.8:53 254.1.248.8.in-addr.arpa udp
US 8.8.8.8:53 10.173.189.20.in-addr.arpa udp

Files

memory/1712-0-0x0000000002070000-0x0000000002071000-memory.dmp

memory/1712-5-0x0000000000400000-0x00000000004BD000-memory.dmp

memory/1712-6-0x0000000002070000-0x0000000002071000-memory.dmp