Malware Analysis Report

2025-06-16 03:22

Sample ID 220507-vsjlwsfeeq
Target JCKCFSQXDZNKKJZTFXKSGP.ps1
SHA256 448d23c53cc9f4a1a97683474c4e2e7a45ac05570effebc9018924a2c3cc44dc
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

448d23c53cc9f4a1a97683474c4e2e7a45ac05570effebc9018924a2c3cc44dc

Threat Level: Known bad

The file JCKCFSQXDZNKKJZTFXKSGP.ps1 was found to be: Known bad.

Malicious Activity Summary

bitrat suricata trojan upx

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

BitRAT

UPX packed file

Suspicious use of NtSetInformationThreadHideFromDebugger

Suspicious use of SetThreadContext

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2022-05-07 17:15

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2022-05-07 17:15

Reported

2022-05-07 17:17

Platform

win7-20220414-en

Max time kernel

41s

Max time network

45s

Command Line

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

Network

N/A

Files

memory/1948-54-0x000007FEFBEF1000-0x000007FEFBEF3000-memory.dmp

memory/1948-55-0x000007FEF3720000-0x000007FEF427D000-memory.dmp

memory/1948-56-0x0000000002734000-0x0000000002737000-memory.dmp

memory/1948-57-0x000000001B750000-0x000000001BA4F000-memory.dmp

memory/1948-58-0x000000000273B000-0x000000000275A000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-05-07 17:15

Reported

2022-05-07 17:17

Platform

win10v2004-20220414-en

Max time kernel

150s

Max time network

148s

Command Line

powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\JCKCFSQXDZNKKJZTFXKSGP.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 3100 set thread context of 3932 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\JCKCFSQXDZNKKJZTFXKSGP.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 8.8.8.8:53 bitrat9300.duckdns.org udp
RU 194.147.140.17:9300 bitrat9300.duckdns.org tcp
NL 88.221.144.179:80 tcp
NL 88.221.144.179:80 tcp
US 13.89.178.26:443 tcp
NL 104.110.191.133:80 tcp
NL 104.110.191.133:80 tcp
NL 104.110.191.133:80 tcp
US 8.8.8.8:53 bitrat9300.duckdns.org udp
US 8.8.8.8:53 bitrat9300.duckdns.org udp

Files

memory/3100-130-0x00000299FFE00000-0x00000299FFE22000-memory.dmp

memory/3100-131-0x00007FFAB7840000-0x00007FFAB8301000-memory.dmp

memory/3932-133-0x00000000007E2730-mapping.dmp

memory/3932-132-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/3932-134-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/3932-135-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/3932-136-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/3932-137-0x0000000000400000-0x00000000007E4000-memory.dmp