Malware Analysis Report

2024-08-06 13:12

Sample ID 240618-xvnpqsyfrp
Target f513d263e64eddbd4e71dd6ca9652be04ebcacfa423e3d3b4046f1bd3fdc23d8
SHA256 f513d263e64eddbd4e71dd6ca9652be04ebcacfa423e3d3b4046f1bd3fdc23d8
Tags
rat default asyncrat discovery
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

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

f513d263e64eddbd4e71dd6ca9652be04ebcacfa423e3d3b4046f1bd3fdc23d8

Threat Level: Known bad

The file f513d263e64eddbd4e71dd6ca9652be04ebcacfa423e3d3b4046f1bd3fdc23d8 was found to be: Known bad.

Malicious Activity Summary

rat default asyncrat discovery

Async RAT payload

Asyncrat family

AsyncRat

Checks installed software on the system

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

MITRE ATT&CK Matrix V13

Initial Access
TA0001
Execution
TA0002
Persistence
TA0003
Privilege Escalation
TA0004
Defense Evasion
TA0005
Credential Access
TA0006
Discovery
TA0007
Query Registry
T1012
Lateral Movement
TA0008
Collection
TA0009
Exfiltration
TA0010
Command and Control
TA0011
Impact
TA0040
Resource Development
TA0042
Reconnaissance
TA0043

Analysis: static1

Detonation Overview

Reported

2024-06-18 19:10

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

2024-06-18 19:10

Reported

2024-06-18 19:13

Platform

win10v2004-20240226-en

Max time kernel

142s

Max time network

156s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f513d263e64eddbd4e71dd6ca9652be04ebcacfa423e3d3b4046f1bd3fdc23d8.exe"

Signatures

AsyncRat

rat asyncrat

Checks installed software on the system

discovery

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\f513d263e64eddbd4e71dd6ca9652be04ebcacfa423e3d3b4046f1bd3fdc23d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\f513d263e64eddbd4e71dd6ca9652be04ebcacfa423e3d3b4046f1bd3fdc23d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\f513d263e64eddbd4e71dd6ca9652be04ebcacfa423e3d3b4046f1bd3fdc23d8.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\f513d263e64eddbd4e71dd6ca9652be04ebcacfa423e3d3b4046f1bd3fdc23d8.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\f513d263e64eddbd4e71dd6ca9652be04ebcacfa423e3d3b4046f1bd3fdc23d8.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\f513d263e64eddbd4e71dd6ca9652be04ebcacfa423e3d3b4046f1bd3fdc23d8.exe

"C:\Users\Admin\AppData\Local\Temp\f513d263e64eddbd4e71dd6ca9652be04ebcacfa423e3d3b4046f1bd3fdc23d8.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=1344 --field-trial-handle=2276,i,11674642242468042059,14711253743544118298,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
BG 80.76.49.148:4545 tcp
US 8.8.8.8:53 148.49.76.80.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 216.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 64.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 42.56.20.217.in-addr.arpa udp
BG 80.76.49.148:4545 tcp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 31.73.42.20.in-addr.arpa udp

Files

memory/4768-0-0x00007FFA05EA3000-0x00007FFA05EA5000-memory.dmp

memory/4768-1-0x0000000000070000-0x0000000000088000-memory.dmp

memory/4768-3-0x00007FFA05EA0000-0x00007FFA06961000-memory.dmp

memory/4768-4-0x00007FFA05EA0000-0x00007FFA06961000-memory.dmp

memory/4768-7-0x00007FFA05EA0000-0x00007FFA06961000-memory.dmp

memory/4768-8-0x00007FFA05EA0000-0x00007FFA06961000-memory.dmp

memory/4768-10-0x00007FFA05EA3000-0x00007FFA05EA5000-memory.dmp

memory/4768-11-0x00007FFA05EA0000-0x00007FFA06961000-memory.dmp

memory/4768-12-0x00007FFA05EA0000-0x00007FFA06961000-memory.dmp

memory/4768-13-0x00007FFA05EA0000-0x00007FFA06961000-memory.dmp

memory/4768-14-0x00007FFA05EA0000-0x00007FFA06961000-memory.dmp

memory/4768-15-0x0000000000890000-0x0000000000906000-memory.dmp

memory/4768-16-0x0000000000810000-0x0000000000820000-memory.dmp

memory/4768-17-0x0000000000840000-0x000000000085E000-memory.dmp

memory/4768-18-0x00007FFA05EA0000-0x00007FFA06961000-memory.dmp

memory/4768-19-0x00007FFA05EA0000-0x00007FFA06961000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-18 19:10

Reported

2024-06-18 19:13

Platform

win11-20240508-en

Max time kernel

146s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f513d263e64eddbd4e71dd6ca9652be04ebcacfa423e3d3b4046f1bd3fdc23d8.exe"

Signatures

AsyncRat

rat asyncrat

Checks installed software on the system

discovery

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\f513d263e64eddbd4e71dd6ca9652be04ebcacfa423e3d3b4046f1bd3fdc23d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\f513d263e64eddbd4e71dd6ca9652be04ebcacfa423e3d3b4046f1bd3fdc23d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\f513d263e64eddbd4e71dd6ca9652be04ebcacfa423e3d3b4046f1bd3fdc23d8.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\f513d263e64eddbd4e71dd6ca9652be04ebcacfa423e3d3b4046f1bd3fdc23d8.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\f513d263e64eddbd4e71dd6ca9652be04ebcacfa423e3d3b4046f1bd3fdc23d8.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\f513d263e64eddbd4e71dd6ca9652be04ebcacfa423e3d3b4046f1bd3fdc23d8.exe

"C:\Users\Admin\AppData\Local\Temp\f513d263e64eddbd4e71dd6ca9652be04ebcacfa423e3d3b4046f1bd3fdc23d8.exe"

Network

Country Destination Domain Proto
BG 80.76.49.148:4545 tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp

Files

memory/3272-1-0x00007FFFAE693000-0x00007FFFAE695000-memory.dmp

memory/3272-0-0x00000000001A0000-0x00000000001B8000-memory.dmp

memory/3272-3-0x00007FFFAE690000-0x00007FFFAF152000-memory.dmp

memory/3272-4-0x00007FFFAE690000-0x00007FFFAF152000-memory.dmp

memory/3272-8-0x00007FFFAE690000-0x00007FFFAF152000-memory.dmp

memory/3272-9-0x00007FFFAE690000-0x00007FFFAF152000-memory.dmp

memory/3272-10-0x00007FFFAE693000-0x00007FFFAE695000-memory.dmp

memory/3272-11-0x00007FFFAE690000-0x00007FFFAF152000-memory.dmp

memory/3272-12-0x00007FFFAE690000-0x00007FFFAF152000-memory.dmp

memory/3272-13-0x00007FFFAE690000-0x00007FFFAF152000-memory.dmp