Malware Analysis Report

2025-06-16 05:44

Sample ID 240301-pcrpnsgb35
Target 3640-167-0x000001519FD30000-0x000001519FD42000-memory.dmp
SHA256 72a1fbab5749d564192be2f1d5ab8916861586b19a36a038ef3aebf26070d763
Tags
rat scrubloader asyncrat
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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

72a1fbab5749d564192be2f1d5ab8916861586b19a36a038ef3aebf26070d763

Threat Level: Known bad

The file 3640-167-0x000001519FD30000-0x000001519FD42000-memory.dmp was found to be: Known bad.

Malicious Activity Summary

rat scrubloader asyncrat

AsyncRat

Async RAT payload

Asyncrat family

Unsigned PE

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-03-01 12:11

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

2024-03-01 12:11

Reported

2024-03-01 12:13

Platform

win7-20240221-en

Max time kernel

145s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3640-167-0x000001519FD30000-0x000001519FD42000-memory.exe"

Signatures

AsyncRat

rat asyncrat

Processes

C:\Users\Admin\AppData\Local\Temp\3640-167-0x000001519FD30000-0x000001519FD42000-memory.exe

"C:\Users\Admin\AppData\Local\Temp\3640-167-0x000001519FD30000-0x000001519FD42000-memory.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 scrubloader.ru udp
US 104.21.93.37:2192 scrubloader.ru tcp
US 172.67.204.55:2192 scrubloader.ru tcp
US 104.21.93.37:2192 scrubloader.ru tcp
US 172.67.204.55:2192 scrubloader.ru tcp
US 104.21.93.37:2192 scrubloader.ru tcp
US 172.67.204.55:2192 scrubloader.ru tcp
US 104.21.93.37:2192 scrubloader.ru tcp

Files

memory/2180-0-0x00000000011E0000-0x00000000011F2000-memory.dmp

memory/2180-1-0x000007FEF5320000-0x000007FEF5D0C000-memory.dmp

memory/2180-2-0x0000000001140000-0x00000000011C0000-memory.dmp

memory/2180-3-0x000007FEF5320000-0x000007FEF5D0C000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-01 12:11

Reported

2024-03-01 12:13

Platform

win10v2004-20240226-en

Max time kernel

146s

Max time network

155s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3640-167-0x000001519FD30000-0x000001519FD42000-memory.exe"

Signatures

AsyncRat

rat asyncrat

Processes

C:\Users\Admin\AppData\Local\Temp\3640-167-0x000001519FD30000-0x000001519FD42000-memory.exe

"C:\Users\Admin\AppData\Local\Temp\3640-167-0x000001519FD30000-0x000001519FD42000-memory.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=3996 --field-trial-handle=3084,i,4016110471176367543,14287608422419064331,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 2.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.200:443 g.bing.com tcp
US 8.8.8.8:53 scrubloader.ru udp
US 104.21.93.37:2192 scrubloader.ru tcp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 175.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 172.67.204.55:2192 scrubloader.ru tcp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 13.107.253.64:443 tcp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 104.21.93.37:2192 scrubloader.ru tcp
US 8.8.8.8:53 187.178.17.96.in-addr.arpa udp
US 172.67.204.55:2192 scrubloader.ru tcp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 180.178.17.96.in-addr.arpa udp
US 104.21.93.37:2192 scrubloader.ru tcp
US 172.67.204.55:2192 scrubloader.ru tcp
US 8.8.8.8:53 10.179.89.13.in-addr.arpa udp
US 104.21.93.37:2192 scrubloader.ru tcp

Files

memory/3128-0-0x0000000000350000-0x0000000000362000-memory.dmp

memory/3128-1-0x00007FF893BF0000-0x00007FF8946B1000-memory.dmp

memory/3128-2-0x0000000002400000-0x0000000002410000-memory.dmp

memory/3128-3-0x00007FF893BF0000-0x00007FF8946B1000-memory.dmp

memory/3128-4-0x0000000002400000-0x0000000002410000-memory.dmp