Malware Analysis Report

2025-08-10 14:27

Sample ID 241030-cwd7gavdnq
Target 4cdbf5d599376462b66343ced6ef5b38b49c1c4fc941d90ee193eed6159c1a99.exe
SHA256 4cdbf5d599376462b66343ced6ef5b38b49c1c4fc941d90ee193eed6159c1a99
Tags
rat default asyncrat discovery
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

4cdbf5d599376462b66343ced6ef5b38b49c1c4fc941d90ee193eed6159c1a99

Threat Level: Known bad

The file 4cdbf5d599376462b66343ced6ef5b38b49c1c4fc941d90ee193eed6159c1a99.exe was found to be: Known bad.

Malicious Activity Summary

rat default asyncrat discovery

Asyncrat family

AsyncRat

Async RAT payload

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-30 02:25

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

2024-10-30 02:25

Reported

2024-10-30 02:28

Platform

win7-20240708-en

Max time kernel

117s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4cdbf5d599376462b66343ced6ef5b38b49c1c4fc941d90ee193eed6159c1a99.exe"

Signatures

AsyncRat

rat asyncrat

Asyncrat family

asyncrat

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\4cdbf5d599376462b66343ced6ef5b38b49c1c4fc941d90ee193eed6159c1a99.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\4cdbf5d599376462b66343ced6ef5b38b49c1c4fc941d90ee193eed6159c1a99.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\4cdbf5d599376462b66343ced6ef5b38b49c1c4fc941d90ee193eed6159c1a99.exe

"C:\Users\Admin\AppData\Local\Temp\4cdbf5d599376462b66343ced6ef5b38b49c1c4fc941d90ee193eed6159c1a99.exe"

Network

Country Destination Domain Proto
NL 77.220.213.58:6606 tcp

Files

memory/1976-0-0x00000000744DE000-0x00000000744DF000-memory.dmp

memory/1976-1-0x00000000008E0000-0x00000000008F2000-memory.dmp

memory/1976-2-0x00000000744D0000-0x0000000074BBE000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\CabE68A.tmp

MD5 49aebf8cbd62d92ac215b2923fb1b9f5
SHA1 1723be06719828dda65ad804298d0431f6aff976
SHA256 b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
SHA512 bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

memory/1976-19-0x00000000744DE000-0x00000000744DF000-memory.dmp

memory/1976-20-0x00000000744D0000-0x0000000074BBE000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-30 02:25

Reported

2024-10-30 02:27

Platform

win10v2004-20241007-en

Max time kernel

135s

Max time network

146s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4cdbf5d599376462b66343ced6ef5b38b49c1c4fc941d90ee193eed6159c1a99.exe"

Signatures

AsyncRat

rat asyncrat

Asyncrat family

asyncrat

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\4cdbf5d599376462b66343ced6ef5b38b49c1c4fc941d90ee193eed6159c1a99.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\4cdbf5d599376462b66343ced6ef5b38b49c1c4fc941d90ee193eed6159c1a99.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\4cdbf5d599376462b66343ced6ef5b38b49c1c4fc941d90ee193eed6159c1a99.exe

"C:\Users\Admin\AppData\Local\Temp\4cdbf5d599376462b66343ced6ef5b38b49c1c4fc941d90ee193eed6159c1a99.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 150.171.27.10:443 g.bing.com tcp
US 8.8.8.8:53 4.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
NL 77.220.213.58:6606 tcp
US 8.8.8.8:53 58.213.220.77.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 8.8.8.8:53 73.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 77.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp

Files

memory/3252-0-0x000000007516E000-0x000000007516F000-memory.dmp

memory/3252-1-0x0000000000630000-0x0000000000642000-memory.dmp

memory/3252-2-0x0000000075160000-0x0000000075910000-memory.dmp

memory/3252-5-0x0000000005840000-0x00000000058DC000-memory.dmp

memory/3252-6-0x0000000005E90000-0x0000000006434000-memory.dmp

memory/3252-7-0x0000000005950000-0x00000000059B6000-memory.dmp

memory/3252-8-0x000000007516E000-0x000000007516F000-memory.dmp

memory/3252-9-0x0000000075160000-0x0000000075910000-memory.dmp