user@threatcheck.sh ~ threat-analysis
bash
$ analyze-threat Trojan:Win32/Bluteal!rfn
Trojan:Win32/Bluteal!rfn - Windows Defender threat signature analysis

Trojan:Win32/Bluteal!rfn - Windows Defender Threat Analysis

$ cat analysis.txt
=== THREAT ANALYSIS REPORT ===
Threat Name: Trojan:Win32/Bluteal!rfn
Classification:
Type:Trojan
Platform:Win32
Family:Bluteal
Detection Type:Concrete
Known malware family with identified signatures
Suffix:!rfn
Specific ransomware family name
Confidence:Very High
False-Positive Risk:Low

Concrete signature match: Trojan - Appears legitimate but performs malicious actions for 32-bit Windows platform, family Bluteal

Summary:

Trojan:Win32/Bluteal!rfn is a trojan that uses multiple built-in Windows tools ('living-off-the-land' techniques) to execute malicious code, establish persistence, and evade detection. Its capabilities, indicated by process hooking and remote file operations, suggest it is used to steal information or download additional malware.

Severity:
Critical
VDM Static Detection:
Relevant strings associated with this threat:
 - !#HSTR:StringCodeForMshta.A!pli (PEHSTR_EXT)
 - !#HSTR:StringCodeForHooking.C!pli (PEHSTR_EXT)
 - !#HSTR:StringCodeForHooking.D!pli (PEHSTR_EXT)
 - !#HSTR:StringCodeForHooking.L!pli (PEHSTR_EXT)
 - !#HSTR:StringCodeForHooking.O!pli (PEHSTR_EXT)
 - !#HSTR:StringCodeForRegsvr32.A!pli (PEHSTR_EXT)
 - !#HSTR:StringCodeForRundll32.A!pli (PEHSTR_EXT)
 - rundll32 (PEHSTR_EXT)
 - !#HSTR:StringCodeForBITSJobs.A!pli (PEHSTR_EXT)
 - !#HSTR:StringCodeForPowerShell.G!pli (PEHSTR_EXT)
 - !#HSTR:StringCodeForScheduledTask.A!pli (PEHSTR_EXT)
 - !#HSTR:StringCodeForDataEncoding.D!pli (PEHSTR_EXT)
 - !#HSTR:StringCodeForHooking.J!pli (PEHSTR_EXT)
 - !#HSTR:StringCodeForHooking.K!pli (PEHSTR_EXT)
 - !#HSTR:StringCodeForRemoteFileCopy.B!pli (PEHSTR_EXT)
 - !#HSTR:ExecutionGuardrails (PEHSTR_EXT)
 - !#HSTR:StringCodeForFileDeletion.A!pli (PEHSTR_EXT)
 - !#HSTR:StringCodeForHooking.M!pli (PEHSTR_EXT)
 - !#HSTR:StringCodeForNetshHelperDLL.A!pli (PEHSTR_EXT)
 - !#HSTR:StringCodeForRemoteServices.A!pli (PEHSTR_EXT)
Known malware which is associated with this threat:
Filename: SecuriteInfo.com.Linux.Mirai.4873.25633.9266
5be89d44af9016a797a2329766e21c6635bc02cfd8e6c5df4056c36138dd1d90
04/12/2025
→VirusTotal↓Download Sample
Remediation Steps:
Isolate the affected machine from the network. Use Windows Defender to remove the threat, then perform a full system scan. Review scheduled tasks, startup items, and network proxy settings for malicious persistence mechanisms and reset user passwords.
=== END REPORT ===
$ reanalyze-threat
This analysis was last updated on 04/12/2025. Do you want to analyze it again?
$ ls available-commands/
→ cd /home
user@threatcheck.sh:~$ ▊