MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 783a4034e44f58427a248454ade7ab09c4099414bb0a385ca32d8b263cd21ae4. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


BumbleBee


Vendor detections: 12


Intelligence 12 IOCs 1 YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 783a4034e44f58427a248454ade7ab09c4099414bb0a385ca32d8b263cd21ae4
SHA3-384 hash: 01246020e280fb3184d94a3ea3e81d830c0db41f5e0f165a2b8adfdfcb917ae9e8a310915d7d669ecb5d2e8e97673170
SHA1 hash: d7cc1563edf73335c8705e271605757723067690
MD5 hash: c58d99b039b24d1e328510616eba165e
humanhash: may-iowa-neptune-diet
File name:RVTools.msi
Download: download sample
Signature BumbleBee
Create hunting rule
File size:10'330'112 bytes
First seen:2025-05-19 23:33:51 UTC
Last seen:2025-05-20 20:09:28 UTC
File type:Microsoft Software Installer (MSI) msi
MIME type:application/x-msi
ssdeep 196608:VKhpGIqbo0qpUd5fxbN9QZc1GmbL8bdeIlntj/8/VAStMPxvVxLfBGJs:V+RGdB0ckmcb8IltzDSiLoJ
Threatray 99 similar samples on MalwareBazaar
TLSH T1F9A6331EB7A8EB07C71F7474A4621140484EAEC21788E54BC55EF6E9323D3F0BE9935A
TrID 88.4% (.MST) Windows SDK Setup Transform script (61000/1/5)
11.5% (.) Generic OLE2 / Multistream Compound (8000/1)
Magika msi
Reporter Anonymous
Tags:BUMBLEBEE LLC-Best-Consult msi signed

Code Signing Certificate

Organisation:LLC Best Consult
Issuer:GlobalSign GCC R45 EV CodeSigning CA 2020
Algorithm:sha256WithRSAEncryption
Valid from:2025-05-14T15:23:53Z
Valid to:2026-05-15T15:23:53Z
Serial number: 1044dc08d7a1cead020b97ec
Intelligence: 7 malware samples on MalwareBazaar are signed with this code signing certificate
Cert Graveyard Blocklist:This certificate is on the Cert Graveyard blocklist
Thumbprint Algorithm:SHA256
Thumbprint: 5ce814f2c915eb20b8f72ac54b7d0a3a4756e80cf6d60a7525268ed8df4965ec
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
46.183.184.146:443 https://threatfox.abuse.ch/ioc/1526015/

Intelligence

File Origin
# of uploads :
4
# of downloads :
142
Origin country :
MX MX
Vendor Threat Intelligence
Verdict:
Malicious
Score:
81.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=682bc02b2f280a98fb4220d8
Tags:
shellcode virus blic
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
installer invalid-signature signed
Link:
https://www.filescan.io/uploads/682bc043c609634bd7ca141f/reports/27839556-2a2c-4738-8587-8fd50f1a1a0c/overview
Verdict:
Suspicious
Labled as:
Trojan.MSI.Agent
Link:
https://www.hybrid-analysis.com/sample/783a4034e44f58427a248454ade7ab09c4099414bb0a385ca32d8b263cd21ae4
Result
Verdict:
UNKNOWN
Link:
https://labs.inquest.net/dfi/sha256/783a4034e44f58427a248454ade7ab09c4099414bb0a385ca32d8b263cd21ae4
Result
Threat name:
BumbleBee
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
50 / 100
Link:
https://www.joesandbox.com/analysis/1694397
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to prevent local Windows debugging
Found direct / indirect Syscall (likely to bypass EDR)
Found malware configuration
Malicious sample detected (through community Yara rule)
Queries random domain names (often used to prevent blacklisting and sinkholes)
Suricata IDS alerts for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected BumbleBee
Behaviour
Behavior Graph:
Download SVG
Score:
87%
Verdict:
Malware
File Type:
ARCHIVE
Link:
https://malprob.io/report/783a4034e44f58427a248454ade7ab09c4099414bb0a385ca32d8b263cd21ae4
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/783a4034e44f58427a248454ade7ab09c4099414bb0a385ca32d8b263cd21ae4/
Verdict:
Malicious
Link:
https://tip.neiki.dev/file/783a4034e44f58427a248454ade7ab09c4099414bb0a385ca32d8b263cd21ae4
Threat name:
Win32.Trojan.BumbleBee
Create hunting rule
Status:
Malicious
First seen:
2025-05-19 23:35:01 UTC
File Type:
Binary (Archive)
Extracted files:
396
AV detection:
13 of 24 (54.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=pa5eanhej5mee6reqrkk3z5lbhcatfauxmfdqxfdfwfsmpgsdlsa._file
Verdict:
malicious
Label(s):
bumblebee
Create hunting rule
Similar samples:
02197c23af1f99c3fa41d52f7f925e47ae5bfb5e604314d19382b1bb7112463f
BumbleBee
1b7cffb25778e9fd9c6e5f2622e6bd7a05dfd721aef908bcc4b16ccda1a74d23
BumbleBee
5f79572d35507c591a773925b8786c6caea69b19ef164b305d71070caf976707
BumbleBee
783a4034e44f58427a248454ade7ab09c4099414bb0a385ca32d8b263cd21ae4
BumbleBee
839e3f4dc441578019dc33c43bc918ad7e6022baa3770f45c6eccfe1239d79c1
BumbleBee
84a71f90d0557682833992e3388949775e979efea501a8402496828112d8b814
BumbleBee
c600dd34854aa5c6c97ed8c1c92d28034d661652b4d892d223b6805a4e864622
BumbleBee
error
BumbleBee
f5a34ea26f8dd2498d8a8b6d9b5a6d374f854e600e8c80622e0bd3e7a7d43136
BumbleBee
+ 89 additional samples on MalwareBazaar
Result
Malware family:
bumblebee
Create hunting rule
Score:
  10/10
Tags:
family:bumblebee botnet:grp0004 discovery loader persistence privilege_escalation
Link:
https://tria.ge/reports/250519-3ktqws1rx2/
Behaviour
Checks SCSI registry key(s)
Modifies data under HKEY_USERS
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Uses Volume Shadow Copy service COM API
Event Triggered Execution: Installer Packages
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Drops file in Windows directory
Executes dropped EXE
Loads dropped DLL
Blocklisted process makes network request
Enumerates connected drives
Looks up external IP address via web service
BumbleBee
Bumblebee family
Verdict:
Informative
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/3455821a-a713-4d20-9265-9bfbbac7c550
Malware family:
BumbleBee
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/783a4034e44f/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/783a4034e44f58427a248454ade7ab09c4099414bb0a385ca32d8b263cd21ae4

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:maldoc_OLE_file_magic_number
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

BumbleBee

Microsoft Software Installer (MSI) msi 783a4034e44f58427a248454ade7ab09c4099414bb0a385ca32d8b263cd21ae4

(this sample)

  
Delivery method
Distributed via web download

Comments