Malware Analysis Report

2024-08-06 12:58

Sample ID 240606-bny18see43
Target 4dfd05f5b0411644b659198b2356e5472dc815f580604c565f7842bdec10a0c6.exe
SHA256 4dfd05f5b0411644b659198b2356e5472dc815f580604c565f7842bdec10a0c6
Tags
rat asyncrat
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

4dfd05f5b0411644b659198b2356e5472dc815f580604c565f7842bdec10a0c6

Threat Level: Known bad

The file 4dfd05f5b0411644b659198b2356e5472dc815f580604c565f7842bdec10a0c6.exe was found to be: Known bad.

Malicious Activity Summary

rat asyncrat

Asyncrat family

Async RAT payload

Detects executables attemping to enumerate video devices using WMI

Detects executables containing the string DcRatBy

AsyncRat

Detects executables attemping to enumerate video devices using WMI

Detects executables containing the string DcRatBy

Unsigned PE

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-06 01:18

Signatures

Async RAT payload

rat
Description Indicator Process Target
N/A N/A N/A N/A

Asyncrat family

asyncrat

Detects executables attemping to enumerate video devices using WMI

Description Indicator Process Target
N/A N/A N/A N/A

Detects executables containing the string DcRatBy

Description Indicator Process Target
N/A N/A N/A N/A

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-06 01:18

Reported

2024-06-06 01:21

Platform

win7-20240419-en

Max time kernel

134s

Max time network

144s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4dfd05f5b0411644b659198b2356e5472dc815f580604c565f7842bdec10a0c6.exe"

Signatures

AsyncRat

rat asyncrat

Detects executables attemping to enumerate video devices using WMI

Description Indicator Process Target
N/A N/A N/A N/A

Detects executables containing the string DcRatBy

Description Indicator Process Target
N/A N/A N/A N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\4dfd05f5b0411644b659198b2356e5472dc815f580604c565f7842bdec10a0c6.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\4dfd05f5b0411644b659198b2356e5472dc815f580604c565f7842bdec10a0c6.exe

"C:\Users\Admin\AppData\Local\Temp\4dfd05f5b0411644b659198b2356e5472dc815f580604c565f7842bdec10a0c6.exe"

Network

Country Destination Domain Proto
N/A 192.168.1.8:4449 tcp
N/A 192.168.1.8:4449 tcp
N/A 192.168.1.8:4449 tcp
N/A 192.168.1.8:4449 tcp
N/A 192.168.1.8:4449 tcp
N/A 192.168.1.8:4449 tcp

Files

memory/1700-0-0x000007FEF4EB3000-0x000007FEF4EB4000-memory.dmp

memory/1700-1-0x0000000000220000-0x0000000000236000-memory.dmp

memory/1700-2-0x000007FEF4EB0000-0x000007FEF589C000-memory.dmp

memory/1700-3-0x000007FEF4EB0000-0x000007FEF589C000-memory.dmp

memory/1700-4-0x000007FEF4EB3000-0x000007FEF4EB4000-memory.dmp

memory/1700-5-0x000007FEF4EB0000-0x000007FEF589C000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-06 01:18

Reported

2024-06-06 01:21

Platform

win10v2004-20240508-en

Max time kernel

146s

Max time network

159s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4dfd05f5b0411644b659198b2356e5472dc815f580604c565f7842bdec10a0c6.exe"

Signatures

AsyncRat

rat asyncrat

Detects executables attemping to enumerate video devices using WMI

Description Indicator Process Target
N/A N/A N/A N/A

Detects executables containing the string DcRatBy

Description Indicator Process Target
N/A N/A N/A N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\4dfd05f5b0411644b659198b2356e5472dc815f580604c565f7842bdec10a0c6.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\4dfd05f5b0411644b659198b2356e5472dc815f580604c565f7842bdec10a0c6.exe

"C:\Users\Admin\AppData\Local\Temp\4dfd05f5b0411644b659198b2356e5472dc815f580604c565f7842bdec10a0c6.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 249.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 72.32.126.40.in-addr.arpa udp
BE 88.221.83.187:443 www.bing.com tcp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 187.83.221.88.in-addr.arpa udp
N/A 192.168.1.8:4449 tcp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
N/A 192.168.1.8:4449 tcp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
N/A 192.168.1.8:4449 tcp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
N/A 192.168.1.8:4449 tcp
US 8.8.8.8:53 240.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp
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
N/A 192.168.1.8:4449 tcp
N/A 192.168.1.8:4449 tcp

Files

memory/1660-0-0x00007FF8EDF53000-0x00007FF8EDF55000-memory.dmp

memory/1660-1-0x00000000003E0000-0x00000000003F6000-memory.dmp

memory/1660-2-0x00007FF8EDF50000-0x00007FF8EEA11000-memory.dmp

memory/1660-3-0x00007FF8EDF53000-0x00007FF8EDF55000-memory.dmp

memory/1660-4-0x00007FF8EDF50000-0x00007FF8EEA11000-memory.dmp