MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fd4b6e419691647b9ae0ca60e5b383c5d9fe1d5fcfc8dec887bb188c4d39d36e. 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



BruteRatel


Vendor detections: 11


Intelligence 11 IOCs YARA 7 File information Comments

SHA256 hash: fd4b6e419691647b9ae0ca60e5b383c5d9fe1d5fcfc8dec887bb188c4d39d36e
SHA3-384 hash: faca8f1da631e6a1da4a157f6af677bc1b7f8e3466763d0cc09e6ea227d85634839a1981c41d4f62e36dfaa9aca5e907
SHA1 hash: 24fbf9a9e05fe724e53c3738b8f508633064b9f5
MD5 hash: 5375c07cb8e6bedd4c3f26c9509d1562
humanhash: maine-saturn-lactose-idaho
File name:net.msi
Download: download sample
Signature BruteRatel
File size:1'910'784 bytes
First seen:2024-10-16 14:37:06 UTC
Last seen:2024-10-17 08:39:51 UTC
File type:Microsoft Software Installer (MSI) msi
MIME type:application/x-msi
ssdeep 49152:9+u3YhW8zBQSc0ZnSKBZKumZr7ACyO2mAB66VENFzqM1Q:5YY0Zn3K/Ak7ABPyhW
TLSH T10195E02233C6C537C9AE01303A1AD66B5179FDA74B3141DBA3C82D2EAE744C16639F97
TrID 80.0% (.MSI) Microsoft Windows Installer (454500/1/170)
10.7% (.MST) Windows SDK Setup Transform script (61000/1/5)
7.8% (.MSP) Windows Installer Patch (44509/10/5)
1.4% (.) Generic OLE2 / Multistream Compound (8000/1)
Magika msi
Reporter pr0xylife
Tags:BruteRatel msi

Intelligence


File Origin
# of uploads :
2
# of downloads :
93
Origin country :
US US
Vendor Threat Intelligence
Verdict:
Malicious
Score:
94.9%
Tags:
Ransomware Shellcode Exploit
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
fingerprint lolbin obfuscated packed remote shell32 wix
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
64 / 100
Signature
AI detected suspicious sample
Drops executables to the windows directory (C:\Windows) and starts them
Machine Learning detection for dropped file
Sets debug register (to hijack the execution of another thread)
System process connects to network (likely due to code injection or exploit)
Behaviour
Behavior Graph:
Threat name:
Win64.Backdoor.Brutel
Status:
Malicious
First seen:
2024-10-16 14:38:06 UTC
File Type:
Binary (Archive)
Extracted files:
37
AV detection:
6 of 38 (15.79%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
bruteratelc4
Similar samples:
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery persistence privilege_escalation
Behaviour
Checks SCSI registry key(s)
Modifies data under HKEY_USERS
Modifies system certificate store
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 Windows directory
Executes dropped EXE
Loads dropped DLL
Enumerates connected drives
Blocklisted process makes network request
Malware family:
Latrodectus
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.

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:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Detect_LATAM_MSI_Banker
Rule name:suspicious_msi_file
Author:Johnk3r
Description:Detects common strings, DLL and API in Banker_BR

File information


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

Web download

BruteRatel

Microsoft Software Installer (MSI) msi fd4b6e419691647b9ae0ca60e5b383c5d9fe1d5fcfc8dec887bb188c4d39d36e

(this sample)

  
Delivery method
Distributed via web download

Comments