Malware Analysis Report

2024-11-15 06:52

Sample ID 240326-spms2ada29
Target df79d5199a3891f2156249164214d489
SHA256 278eac0ea2a6c99929873024ea037b6737e357051581be91eb94783637c13e9b
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

278eac0ea2a6c99929873024ea037b6737e357051581be91eb94783637c13e9b

Threat Level: Known bad

The file df79d5199a3891f2156249164214d489 was found to be: Known bad.

Malicious Activity Summary

fakeav fakeav persistence spyware

FakeAV, RogueAntivirus

FakeAV payload

Fakeav family

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

2024-03-26 15:18

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

2024-03-26 15:18

Reported

2024-03-26 15:20

Platform

win10v2004-20240226-en

Max time kernel

143s

Max time network

143s

Command Line

"C:\Users\Admin\AppData\Local\Temp\df79d5199a3891f2156249164214d489.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\df79d5199a3891f2156249164214d489.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\df79d5199a3891f2156249164214d489.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\df79d5199a3891f2156249164214d489.exe N/A
File opened for modification C:\Windows\SysWOW64\CSRLT.EXE C:\Users\Admin\AppData\Local\Temp\df79d5199a3891f2156249164214d489.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\MSBLT.EXE C:\Users\Admin\AppData\Local\Temp\df79d5199a3891f2156249164214d489.exe N/A
File opened for modification C:\Windows\MSBLT.EXE C:\Users\Admin\AppData\Local\Temp\df79d5199a3891f2156249164214d489.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\df79d5199a3891f2156249164214d489.exe

"C:\Users\Admin\AppData\Local\Temp\df79d5199a3891f2156249164214d489.exe"

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=2136 --field-trial-handle=2588,i,4353937220825226770,7138584070663735671,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 74.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 36.56.20.217.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
NL 52.142.223.178:80 tcp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 13.107.246.64:443 tcp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 37.56.20.217.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp

Files

memory/3672-0-0x0000000001F00000-0x0000000001F01000-memory.dmp

memory/3672-5-0x0000000000400000-0x00000000004BD000-memory.dmp

memory/3672-7-0x0000000001F00000-0x0000000001F01000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-03-26 15:18

Reported

2024-03-26 15:20

Platform

win7-20240221-en

Max time kernel

141s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\df79d5199a3891f2156249164214d489.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\df79d5199a3891f2156249164214d489.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\df79d5199a3891f2156249164214d489.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\df79d5199a3891f2156249164214d489.exe N/A
File opened for modification C:\Windows\SysWOW64\CSRLT.EXE C:\Users\Admin\AppData\Local\Temp\df79d5199a3891f2156249164214d489.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\MSBLT.EXE C:\Users\Admin\AppData\Local\Temp\df79d5199a3891f2156249164214d489.exe N/A
File opened for modification C:\Windows\MSBLT.EXE C:\Users\Admin\AppData\Local\Temp\df79d5199a3891f2156249164214d489.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\df79d5199a3891f2156249164214d489.exe

"C:\Users\Admin\AppData\Local\Temp\df79d5199a3891f2156249164214d489.exe"

Network

N/A

Files

memory/2156-0-0x0000000000170000-0x0000000000171000-memory.dmp

memory/2156-5-0x0000000000400000-0x00000000004BD000-memory.dmp

memory/2156-7-0x0000000000170000-0x0000000000171000-memory.dmp