Malware Analysis Report

2025-06-16 03:22

Sample ID 220507-1pcbasadaq
Target f1aea885141ff01f8db0c1eeea40190915f79a43d033c2e0f58784d87d540bad.7z
SHA256 93033f52346d85a8fe3afb2a9108992e18ee3738d6a2450cfb8a4673648016be
Tags
bitrat suricata trojan upx
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

93033f52346d85a8fe3afb2a9108992e18ee3738d6a2450cfb8a4673648016be

Threat Level: Known bad

The file f1aea885141ff01f8db0c1eeea40190915f79a43d033c2e0f58784d87d540bad.7z was found to be: Known bad.

Malicious Activity Summary

bitrat suricata trojan upx

BitRAT

suricata: ET MALWARE Observed Malicious SSL Cert (BitRAT CnC)

UPX packed file

Suspicious use of NtSetInformationThreadHideFromDebugger

Suspicious use of SetThreadContext

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2022-05-07 21:49

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2022-05-07 21:49

Reported

2022-05-07 21:56

Platform

win7-20220414-en

Max time kernel

289s

Max time network

348s

Command Line

powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\f1aea885141ff01f8db0c1eeea40190915f79a43d033c2e0f58784d87d540bad.ps1

Signatures

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

Processes

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

powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\f1aea885141ff01f8db0c1eeea40190915f79a43d033c2e0f58784d87d540bad.ps1

Network

N/A

Files

memory/2008-54-0x000007FEFBF51000-0x000007FEFBF53000-memory.dmp

memory/2008-55-0x000007FEF3070000-0x000007FEF3BCD000-memory.dmp

memory/2008-56-0x0000000002674000-0x0000000002677000-memory.dmp

memory/2008-57-0x000000001B750000-0x000000001BA4F000-memory.dmp

memory/2008-58-0x000000000267B000-0x000000000269A000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-05-07 21:49

Reported

2022-05-07 21:55

Platform

win10v2004-20220414-en

Max time kernel

331s

Max time network

366s

Command Line

powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\f1aea885141ff01f8db0c1eeea40190915f79a43d033c2e0f58784d87d540bad.ps1

Signatures

BitRAT

trojan bitrat

suricata: ET MALWARE Observed Malicious SSL Cert (BitRAT CnC)

suricata

UPX packed file

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

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 5064 set thread context of 4172 N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regbrowsers.exe

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
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
Token: SeShutdownPrivilege N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regbrowsers.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regbrowsers.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regbrowsers.exe N/A

Processes

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

powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\f1aea885141ff01f8db0c1eeea40190915f79a43d033c2e0f58784d87d540bad.ps1

C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regbrowsers.exe

"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regbrowsers.exe"

Network

Country Destination Domain Proto
US 20.189.173.4:443 tcp
US 8.8.8.8:53 bitrat9300.duckdns.org udp
RU 194.147.140.17:9300 bitrat9300.duckdns.org tcp
US 8.8.8.8:53 bitrat9300.duckdns.org udp
US 8.8.8.8:53 bitrat9300.duckdns.org udp
US 8.8.8.8:53 bitrat9300.duckdns.org udp

Files

memory/5064-130-0x000001DAEC190000-0x000001DAEC1B2000-memory.dmp

memory/5064-131-0x00007FFE808F0000-0x00007FFE813B1000-memory.dmp

memory/4172-132-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/4172-133-0x00000000007E2730-mapping.dmp

memory/4172-134-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/4172-135-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/4172-136-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/4172-137-0x0000000000400000-0x00000000007E4000-memory.dmp