Malware Analysis Report

2025-01-02 12:10

Sample ID 240419-wxx6hsce9t
Target b9b2555bb99c5d4be797e8505788dd68a48c8d5e38ad1731966b69a9ef6ed3a5
SHA256 b9b2555bb99c5d4be797e8505788dd68a48c8d5e38ad1731966b69a9ef6ed3a5
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

b9b2555bb99c5d4be797e8505788dd68a48c8d5e38ad1731966b69a9ef6ed3a5

Threat Level: Known bad

The file b9b2555bb99c5d4be797e8505788dd68a48c8d5e38ad1731966b69a9ef6ed3a5 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 use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-04-19 18:18

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 18:18

Reported

2024-04-19 18:21

Platform

win7-20240221-en

Max time kernel

128s

Max time network

143s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d4aa2df36d10f889dfa999d4e0d27ebdb8a6641f095a43397539ebad1d247068.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\d4aa2df36d10f889dfa999d4e0d27ebdb8a6641f095a43397539ebad1d247068.exe

"C:\Users\Admin\AppData\Local\Temp\d4aa2df36d10f889dfa999d4e0d27ebdb8a6641f095a43397539ebad1d247068.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 pastebin.com udp
US 172.67.19.24:443 pastebin.com tcp
SE 2.69.109.185:4449 tcp
SE 2.69.109.185:4449 tcp
SE 2.69.109.185:4449 tcp
SE 2.69.109.185:4449 tcp
SE 2.69.109.185:4449 tcp
SE 2.69.109.185:4449 tcp

Files

memory/1336-0-0x0000000000F90000-0x0000000000FA8000-memory.dmp

memory/1336-1-0x000007FEF5BA0000-0x000007FEF658C000-memory.dmp

memory/1336-3-0x000000001AE90000-0x000000001AF10000-memory.dmp

memory/1336-4-0x0000000077800000-0x00000000779A9000-memory.dmp

memory/1336-5-0x000007FEF5BA0000-0x000007FEF658C000-memory.dmp

memory/1336-6-0x000000001AE90000-0x000000001AF10000-memory.dmp

memory/1336-7-0x0000000077800000-0x00000000779A9000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-19 18:18

Reported

2024-04-19 18:22

Platform

win10v2004-20240412-en

Max time kernel

148s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d4aa2df36d10f889dfa999d4e0d27ebdb8a6641f095a43397539ebad1d247068.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\d4aa2df36d10f889dfa999d4e0d27ebdb8a6641f095a43397539ebad1d247068.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\d4aa2df36d10f889dfa999d4e0d27ebdb8a6641f095a43397539ebad1d247068.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\d4aa2df36d10f889dfa999d4e0d27ebdb8a6641f095a43397539ebad1d247068.exe

"C:\Users\Admin\AppData\Local\Temp\d4aa2df36d10f889dfa999d4e0d27ebdb8a6641f095a43397539ebad1d247068.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 67.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 pastebin.com udp
US 104.20.3.235:443 pastebin.com tcp
SE 2.69.109.185:4449 tcp
NL 23.62.61.75:443 www.bing.com tcp
US 8.8.8.8:53 206.221.208.4.in-addr.arpa udp
US 8.8.8.8:53 240.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 235.3.20.104.in-addr.arpa udp
US 8.8.8.8:53 75.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 132.46.30.184.in-addr.arpa udp
SE 2.69.109.185:4449 tcp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
SE 2.69.109.185:4449 tcp
US 8.8.8.8:53 58.99.105.20.in-addr.arpa udp
SE 2.69.109.185:4449 tcp
US 8.8.8.8:53 249.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
SE 2.69.109.185:4449 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 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
SE 2.69.109.185:4449 tcp
SE 2.69.109.185:4449 tcp
US 8.8.8.8:53 94.65.42.20.in-addr.arpa udp

Files

memory/2488-0-0x00000000008B0000-0x00000000008C8000-memory.dmp

memory/2488-2-0x00007FFCEEDB0000-0x00007FFCEF871000-memory.dmp

memory/2488-3-0x000000001B560000-0x000000001B570000-memory.dmp

memory/2488-4-0x00007FFD0CE10000-0x00007FFD0D005000-memory.dmp

memory/2488-5-0x00007FFCEEDB0000-0x00007FFCEF871000-memory.dmp

memory/2488-6-0x000000001B560000-0x000000001B570000-memory.dmp

memory/2488-7-0x00007FFD0CE10000-0x00007FFD0D005000-memory.dmp