Malware Analysis Report

2025-01-02 12:10

Sample ID 240419-wfyqqaca3z
Target 50b652ccc1549a6a12702a4838f5a8a366c267b34ba57f849f7cd9f8327fe8d2
SHA256 50b652ccc1549a6a12702a4838f5a8a366c267b34ba57f849f7cd9f8327fe8d2
Tags
rat default asyncrat
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

50b652ccc1549a6a12702a4838f5a8a366c267b34ba57f849f7cd9f8327fe8d2

Threat Level: Known bad

The file 50b652ccc1549a6a12702a4838f5a8a366c267b34ba57f849f7cd9f8327fe8d2 was found to be: Known bad.

Malicious Activity Summary

rat default asyncrat

AsyncRat

Async RAT payload

Asyncrat family

Legitimate hosting services abused for malware hosting/C2

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-04-19 17:52

Signatures

Async RAT payload

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

Asyncrat family

asyncrat

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-19 17:52

Reported

2024-04-19 17:55

Platform

win7-20240221-en

Max time kernel

149s

Max time network

135s

Command Line

"C:\Users\Admin\AppData\Local\Temp\0c363101553b0ae76fd673bd22f91e76ea7acd7c406356539f25be4c532b044f.exe"

Signatures

AsyncRat

rat asyncrat

Legitimate hosting services abused for malware hosting/C2

Description Indicator Process Target
N/A pastebin.com N/A N/A
N/A 0.tcp.sa.ngrok.io N/A N/A
N/A 0.tcp.sa.ngrok.io N/A N/A
N/A 0.tcp.sa.ngrok.io N/A N/A
N/A pastebin.com N/A N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\0c363101553b0ae76fd673bd22f91e76ea7acd7c406356539f25be4c532b044f.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\0c363101553b0ae76fd673bd22f91e76ea7acd7c406356539f25be4c532b044f.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\0c363101553b0ae76fd673bd22f91e76ea7acd7c406356539f25be4c532b044f.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\0c363101553b0ae76fd673bd22f91e76ea7acd7c406356539f25be4c532b044f.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\0c363101553b0ae76fd673bd22f91e76ea7acd7c406356539f25be4c532b044f.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\0c363101553b0ae76fd673bd22f91e76ea7acd7c406356539f25be4c532b044f.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\0c363101553b0ae76fd673bd22f91e76ea7acd7c406356539f25be4c532b044f.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\0c363101553b0ae76fd673bd22f91e76ea7acd7c406356539f25be4c532b044f.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\0c363101553b0ae76fd673bd22f91e76ea7acd7c406356539f25be4c532b044f.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\0c363101553b0ae76fd673bd22f91e76ea7acd7c406356539f25be4c532b044f.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\0c363101553b0ae76fd673bd22f91e76ea7acd7c406356539f25be4c532b044f.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\0c363101553b0ae76fd673bd22f91e76ea7acd7c406356539f25be4c532b044f.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\0c363101553b0ae76fd673bd22f91e76ea7acd7c406356539f25be4c532b044f.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\0c363101553b0ae76fd673bd22f91e76ea7acd7c406356539f25be4c532b044f.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\0c363101553b0ae76fd673bd22f91e76ea7acd7c406356539f25be4c532b044f.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\0c363101553b0ae76fd673bd22f91e76ea7acd7c406356539f25be4c532b044f.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\0c363101553b0ae76fd673bd22f91e76ea7acd7c406356539f25be4c532b044f.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\0c363101553b0ae76fd673bd22f91e76ea7acd7c406356539f25be4c532b044f.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\0c363101553b0ae76fd673bd22f91e76ea7acd7c406356539f25be4c532b044f.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\0c363101553b0ae76fd673bd22f91e76ea7acd7c406356539f25be4c532b044f.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\0c363101553b0ae76fd673bd22f91e76ea7acd7c406356539f25be4c532b044f.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\0c363101553b0ae76fd673bd22f91e76ea7acd7c406356539f25be4c532b044f.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\0c363101553b0ae76fd673bd22f91e76ea7acd7c406356539f25be4c532b044f.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0c363101553b0ae76fd673bd22f91e76ea7acd7c406356539f25be4c532b044f.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\0c363101553b0ae76fd673bd22f91e76ea7acd7c406356539f25be4c532b044f.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\0c363101553b0ae76fd673bd22f91e76ea7acd7c406356539f25be4c532b044f.exe

"C:\Users\Admin\AppData\Local\Temp\0c363101553b0ae76fd673bd22f91e76ea7acd7c406356539f25be4c532b044f.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 pastebin.com udp
US 172.67.19.24:443 pastebin.com tcp
US 8.8.8.8:53 0.tcp.sa.ngrok.io udp
BR 18.229.248.167:10685 0.tcp.sa.ngrok.io tcp
BR 18.229.248.167:10685 0.tcp.sa.ngrok.io tcp
BR 18.229.248.167:10685 0.tcp.sa.ngrok.io tcp
BR 18.229.248.167:10685 0.tcp.sa.ngrok.io tcp
BR 18.229.248.167:10685 0.tcp.sa.ngrok.io tcp
BR 18.229.248.167:10685 0.tcp.sa.ngrok.io tcp
BR 18.229.248.167:10685 0.tcp.sa.ngrok.io tcp
BR 18.229.248.167:10685 0.tcp.sa.ngrok.io tcp
BR 18.229.248.167:10685 0.tcp.sa.ngrok.io tcp
BR 18.229.248.167:10685 0.tcp.sa.ngrok.io tcp
US 8.8.8.8:53 0.tcp.sa.ngrok.io udp
BR 18.229.146.63:10685 0.tcp.sa.ngrok.io tcp
BR 18.229.146.63:10685 0.tcp.sa.ngrok.io tcp
BR 18.229.146.63:10685 0.tcp.sa.ngrok.io tcp
BR 18.229.146.63:10685 0.tcp.sa.ngrok.io tcp
BR 18.229.146.63:10685 0.tcp.sa.ngrok.io tcp
BR 18.229.146.63:10685 0.tcp.sa.ngrok.io tcp
BR 18.229.146.63:10685 0.tcp.sa.ngrok.io tcp
BR 18.229.146.63:10685 0.tcp.sa.ngrok.io tcp
BR 18.229.146.63:10685 0.tcp.sa.ngrok.io tcp
BR 18.229.146.63:10685 0.tcp.sa.ngrok.io tcp
US 8.8.8.8:53 0.tcp.sa.ngrok.io udp
BR 18.231.93.153:10685 0.tcp.sa.ngrok.io tcp
BR 18.231.93.153:10685 tcp

Files

memory/2684-0-0x0000000000930000-0x0000000000948000-memory.dmp

memory/2684-1-0x000007FEF5B40000-0x000007FEF652C000-memory.dmp

memory/2684-3-0x000000001AEA0000-0x000000001AF20000-memory.dmp

memory/2684-4-0x0000000077780000-0x0000000077929000-memory.dmp

memory/2684-5-0x000007FEF5B40000-0x000007FEF652C000-memory.dmp

memory/2684-6-0x000000001AEA0000-0x000000001AF20000-memory.dmp

memory/2684-7-0x0000000077780000-0x0000000077929000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-19 17:52

Reported

2024-04-19 17:56

Platform

win10v2004-20240226-en

Max time kernel

152s

Max time network

165s

Command Line

"C:\Users\Admin\AppData\Local\Temp\0c363101553b0ae76fd673bd22f91e76ea7acd7c406356539f25be4c532b044f.exe"

Signatures

AsyncRat

rat asyncrat

Legitimate hosting services abused for malware hosting/C2

Description Indicator Process Target
N/A pastebin.com N/A N/A
N/A pastebin.com N/A N/A
N/A 0.tcp.sa.ngrok.io N/A N/A
N/A 0.tcp.sa.ngrok.io N/A N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\0c363101553b0ae76fd673bd22f91e76ea7acd7c406356539f25be4c532b044f.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\0c363101553b0ae76fd673bd22f91e76ea7acd7c406356539f25be4c532b044f.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\0c363101553b0ae76fd673bd22f91e76ea7acd7c406356539f25be4c532b044f.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\0c363101553b0ae76fd673bd22f91e76ea7acd7c406356539f25be4c532b044f.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\0c363101553b0ae76fd673bd22f91e76ea7acd7c406356539f25be4c532b044f.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\0c363101553b0ae76fd673bd22f91e76ea7acd7c406356539f25be4c532b044f.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\0c363101553b0ae76fd673bd22f91e76ea7acd7c406356539f25be4c532b044f.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\0c363101553b0ae76fd673bd22f91e76ea7acd7c406356539f25be4c532b044f.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\0c363101553b0ae76fd673bd22f91e76ea7acd7c406356539f25be4c532b044f.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\0c363101553b0ae76fd673bd22f91e76ea7acd7c406356539f25be4c532b044f.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\0c363101553b0ae76fd673bd22f91e76ea7acd7c406356539f25be4c532b044f.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\0c363101553b0ae76fd673bd22f91e76ea7acd7c406356539f25be4c532b044f.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\0c363101553b0ae76fd673bd22f91e76ea7acd7c406356539f25be4c532b044f.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\0c363101553b0ae76fd673bd22f91e76ea7acd7c406356539f25be4c532b044f.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\0c363101553b0ae76fd673bd22f91e76ea7acd7c406356539f25be4c532b044f.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\0c363101553b0ae76fd673bd22f91e76ea7acd7c406356539f25be4c532b044f.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0c363101553b0ae76fd673bd22f91e76ea7acd7c406356539f25be4c532b044f.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\0c363101553b0ae76fd673bd22f91e76ea7acd7c406356539f25be4c532b044f.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\0c363101553b0ae76fd673bd22f91e76ea7acd7c406356539f25be4c532b044f.exe

"C:\Users\Admin\AppData\Local\Temp\0c363101553b0ae76fd673bd22f91e76ea7acd7c406356539f25be4c532b044f.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=3972 --field-trial-handle=2248,i,10247514684337323751,15511974759131734137,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
US 20.231.121.79:80 tcp
US 13.107.246.64:443 tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 pastebin.com udp
US 172.67.19.24:443 pastebin.com tcp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 24.19.67.172.in-addr.arpa udp
US 8.8.8.8:53 0.tcp.sa.ngrok.io udp
US 8.8.8.8:53 121.118.77.104.in-addr.arpa udp
BR 18.231.93.153:10685 0.tcp.sa.ngrok.io tcp
BR 18.231.93.153:10685 0.tcp.sa.ngrok.io tcp
BR 18.231.93.153:10685 0.tcp.sa.ngrok.io tcp
BR 18.231.93.153:10685 0.tcp.sa.ngrok.io tcp
BR 18.231.93.153:10685 0.tcp.sa.ngrok.io tcp
US 8.8.8.8:53 134.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
BR 18.231.93.153:10685 0.tcp.sa.ngrok.io tcp
BR 18.231.93.153:10685 0.tcp.sa.ngrok.io tcp
US 8.8.8.8:53 240.197.17.2.in-addr.arpa udp
BR 18.231.93.153:10685 0.tcp.sa.ngrok.io tcp
US 8.8.8.8:53 0.tcp.sa.ngrok.io udp
BR 18.231.93.153:10685 0.tcp.sa.ngrok.io tcp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
BR 18.231.93.153:10685 0.tcp.sa.ngrok.io tcp
BR 18.231.93.153:10685 0.tcp.sa.ngrok.io tcp
BR 18.231.93.153:10685 0.tcp.sa.ngrok.io tcp
BR 18.231.93.153:10685 0.tcp.sa.ngrok.io tcp
US 8.8.8.8:53 17.173.189.20.in-addr.arpa udp
BR 18.231.93.153:10685 0.tcp.sa.ngrok.io tcp

Files

memory/4960-0-0x0000000000690000-0x00000000006A8000-memory.dmp

memory/4960-1-0x00007FF9D5CB0000-0x00007FF9D6771000-memory.dmp

memory/4960-3-0x000000001B310000-0x000000001B320000-memory.dmp

memory/4960-4-0x00007FF9D5CB0000-0x00007FF9D6771000-memory.dmp

memory/4960-5-0x000000001B310000-0x000000001B320000-memory.dmp

memory/4960-6-0x00007FF9F56F0000-0x00007FF9F58E5000-memory.dmp

memory/4960-7-0x00007FF9F56F0000-0x00007FF9F58E5000-memory.dmp