Malware Analysis Report

2025-01-02 12:09

Sample ID 240419-wf1v3sbb82
Target 83bbf4a7eb25de59c44b1842206a56eb7318cd076fd6d5cfc59592e79247dad2
SHA256 83bbf4a7eb25de59c44b1842206a56eb7318cd076fd6d5cfc59592e79247dad2
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

83bbf4a7eb25de59c44b1842206a56eb7318cd076fd6d5cfc59592e79247dad2

Threat Level: Known bad

The file 83bbf4a7eb25de59c44b1842206a56eb7318cd076fd6d5cfc59592e79247dad2 was found to be: Known bad.

Malicious Activity Summary

rat default asyncrat

Async RAT payload

Asyncrat family

AsyncRat

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 17:57

Platform

win7-20240221-en

Max time kernel

150s

Max time network

136s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f6e9887eaac1fcce0392a008216d687515c57984703e0deccbf911d956291282.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

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\f6e9887eaac1fcce0392a008216d687515c57984703e0deccbf911d956291282.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\f6e9887eaac1fcce0392a008216d687515c57984703e0deccbf911d956291282.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\f6e9887eaac1fcce0392a008216d687515c57984703e0deccbf911d956291282.exe

"C:\Users\Admin\AppData\Local\Temp\f6e9887eaac1fcce0392a008216d687515c57984703e0deccbf911d956291282.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 discord-ggs.duckdns.org udp
CH 141.255.145.97:8989 discord-ggs.duckdns.org tcp
CH 141.255.145.97:8989 discord-ggs.duckdns.org tcp
CH 141.255.145.97:8989 discord-ggs.duckdns.org tcp
US 8.8.8.8:53 discord-ggs.duckdns.org udp
CH 141.255.145.97:8989 discord-ggs.duckdns.org tcp
CH 141.255.145.97:8989 discord-ggs.duckdns.org tcp
CH 141.255.145.97:8989 discord-ggs.duckdns.org tcp

Files

memory/2412-0-0x0000000001290000-0x00000000012A8000-memory.dmp

memory/2412-1-0x000007FEF59E0000-0x000007FEF63CC000-memory.dmp

memory/2412-3-0x0000000000520000-0x00000000005A0000-memory.dmp

memory/2412-4-0x0000000077640000-0x00000000777E9000-memory.dmp

memory/2412-5-0x000007FEF59E0000-0x000007FEF63CC000-memory.dmp

memory/2412-6-0x0000000000520000-0x00000000005A0000-memory.dmp

memory/2412-7-0x0000000077640000-0x00000000777E9000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-19 17:52

Reported

2024-04-19 17:59

Platform

win10v2004-20240412-en

Max time kernel

150s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f6e9887eaac1fcce0392a008216d687515c57984703e0deccbf911d956291282.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

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\f6e9887eaac1fcce0392a008216d687515c57984703e0deccbf911d956291282.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\f6e9887eaac1fcce0392a008216d687515c57984703e0deccbf911d956291282.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\f6e9887eaac1fcce0392a008216d687515c57984703e0deccbf911d956291282.exe

"C:\Users\Admin\AppData\Local\Temp\f6e9887eaac1fcce0392a008216d687515c57984703e0deccbf911d956291282.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 71.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 pastebin.com udp
US 104.20.4.235:443 pastebin.com tcp
US 8.8.8.8:53 discord-ggs.duckdns.org udp
CH 141.255.145.97:8989 discord-ggs.duckdns.org tcp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 67.32.209.4.in-addr.arpa udp
US 8.8.8.8:53 235.4.20.104.in-addr.arpa udp
US 8.8.8.8:53 132.46.30.184.in-addr.arpa udp
NL 23.62.61.97:443 www.bing.com tcp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 97.61.62.23.in-addr.arpa udp
CH 141.255.145.97:8989 discord-ggs.duckdns.org tcp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 140.71.91.104.in-addr.arpa udp
CH 141.255.145.97:8989 discord-ggs.duckdns.org tcp
US 8.8.8.8:53 249.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 discord-ggs.duckdns.org udp
CH 141.255.145.97:8989 discord-ggs.duckdns.org tcp
US 8.8.8.8:53 21.236.111.52.in-addr.arpa udp
CH 141.255.145.97:8989 discord-ggs.duckdns.org tcp
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
CH 141.255.145.97:8989 discord-ggs.duckdns.org tcp
US 8.8.8.8:53 discord-ggs.duckdns.org udp
CH 141.255.145.97:8989 discord-ggs.duckdns.org tcp
US 8.8.8.8:53 udp

Files

memory/3716-0-0x00000000008C0000-0x00000000008D8000-memory.dmp

memory/3716-2-0x00007FFBD8950000-0x00007FFBD9411000-memory.dmp

memory/3716-3-0x000000001B730000-0x000000001B740000-memory.dmp

memory/3716-4-0x00007FFBF6C90000-0x00007FFBF6E85000-memory.dmp

memory/3716-5-0x00007FFBD8950000-0x00007FFBD9411000-memory.dmp

memory/3716-6-0x000000001B730000-0x000000001B740000-memory.dmp

memory/3716-7-0x00007FFBF6C90000-0x00007FFBF6E85000-memory.dmp