user@threatcheck.sh ~ threat-analysis
bash
$ analyze-threat Trojan:Win64/BumbleBee!rfn
Trojan:Win64/BumbleBee!rfn - Windows Defender threat signature analysis

Trojan:Win64/BumbleBee!rfn - Windows Defender Threat Analysis

$ cat analysis.txt
=== THREAT ANALYSIS REPORT ===
Threat Name: Trojan:Win64/BumbleBee!rfn
Classification:
Type:Trojan
Platform:Win64
Family:BumbleBee
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 64-bit Windows platform, family BumbleBee

Summary:

This is a concrete detection of Trojan:Win64/BumbleBee, a sophisticated malware loader known for its initial reconnaissance capabilities and ability to deliver follow-on payloads like ransomware or post-exploitation tools. It gathers system information, can register and execute arbitrary DLLs, and potentially uses legitimate Windows utilities for execution and persistence.

Severity:
Critical
VDM Static Detection:
Relevant strings associated with this threat:
 - DllRegisterServer (PEHSTR_EXT)
 - GetComputerNameA (PEHSTR_EXT)
 - SELECT * FROM Win32_ComputerSystemProduct (PEHSTR_EXT)
 - LdrAddx64.exe (PEHSTR_EXT)
 - objShell.Run "my_application_path" (PEHSTR_EXT)
 - Windows Photo Viewer\ImagingDevices.exe (PEHSTR_EXT)
 - Windows Mail\wab.exe (PEHSTR_EXT)
 - iym324mr7.dll (PEHSTR_EXT)
 - cggojx289ci0.dll (PEHSTR_EXT)
 - amaefjj183xi.dll (PEHSTR_EXT)
 - slw189nj21.dll (PEHSTR_EXT)
 - nwklrw884rg70.dll (PEHSTR_EXT)
 - qmt264tz3.dll (PEHSTR_EXT)
 - uyhrw140wb3.dll (PEHSTR_EXT)
 - pipe\boost_process_auto_pipe_ (PEHSTR_EXT)
 - vwv045do38.dll (PEHSTR_EXT)
 - vwe554dy80.dll (PEHSTR_EXT)
 - DRCTF.DLL (PEHSTR_EXT)
 - LdrAddx64.dll (PEHSTR_EXT)
 - uvf180te6.dll (PEHSTR_EXT)
 - SELECT * FROM Win32_ComputerSystem (PEHSTR_EXT)
 - K\HcKpD (PEHSTR_EXT)
 - enmy555xo79.dll (PEHSTR_EXT)
 - .dll (PEHSTR_EXT)
 - lW6z\Machopolyp\Coyish\8jFmgk\dQ (PEHSTR_EXT)
 - !#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: 65de909d70e361d611d00a944ea094c385467777ffc053c96aafa04c795fdc90
65de909d70e361d611d00a944ea094c385467777ffc053c96aafa04c795fdc90
15/12/2025
→VirusTotal↓Download Sample
Remediation Steps:
Immediately isolate the infected endpoint to prevent lateral movement. Perform a comprehensive scan with an updated antivirus/EDR and remove all detected malicious components. Investigate thoroughly for persistence mechanisms and any signs of additional payload deployment or post-exploitation activity, considering a full system re-image due to the advanced nature of this threat.
=== END REPORT ===
$ reanalyze-threat
This analysis was last updated on 15/12/2025. Do you want to analyze it again?
$ ls available-commands/
→ cd /home
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