MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3a4befeda808fff4c4bef7d488d59fefa1334d9c7acb6cb155c6cfa9f88a03f3. 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



Sliver


Vendor detections: 12


Intelligence 12 IOCs YARA 4 File information Comments

SHA256 hash: 3a4befeda808fff4c4bef7d488d59fefa1334d9c7acb6cb155c6cfa9f88a03f3
SHA3-384 hash: 9ed37219a273502a2ec03fbf6fe11f34675407ce76b9586bac556a8a829cc56c9569b8787a51cbdbf5a2a0f4248f9bf6
SHA1 hash: 51d75c93a4d06327f172d41c797ecc99a8ba309a
MD5 hash: f46e78d3864aae68f2b8e83af27b9cf3
humanhash: table-lactose-dakota-lemon
File name:update.hta
Download: download sample
Signature Sliver
File size:3'769 bytes
First seen:2024-11-06 08:01:37 UTC
Last seen:2025-01-24 06:31:32 UTC
File type:HTML Application (hta) hta
MIME type:text/html
ssdeep 48:l6cDzIFpyuDAdQKZ7X90xSMbvOwGuyv9ue+f90tjhMZqWi6teUbAUDAF8FKr/2Tu:l6ciprAdabQ+PZLthAF8FKrBFp
TLSH T19971A6908E03AE19DB6434B115EC76F14D3E83AD48C10AFC2EA5E3C1A8BCD158FD56D6
Magika html
Reporter abuse_ch
Tags:hta sliver

Intelligence


File Origin
# of uploads :
3
# of downloads :
85
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Malicious
Score:
99.9%
Tags:
powershell emotet gumen
Result
Verdict:
Malicious
File Type:
HTA File - Malicious Base64 Payload
Payload URLs
URL
File name
http://secure.cloudtechnologiesusa.com:8081/update.txt')
HTA File
Behaviour
BlacklistAPI detected
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
certutil obfuscated powershell virus
Result
Verdict:
MALICIOUS
Details
Base64 Encoded Powershell Directives
Detected one or more base64 encoded Powershell directives.
Base64 Encoded URL
Detected an ANSI or UNICODE http:// or https:// base64 encoded URL prefix.
Result
Threat name:
Cobalt Strike, Sliver
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Signature
AI detected suspicious sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Connects to many ports of the same IP (likely port scanning)
Detected Cobalt Strike Beacon
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Reads the Security eventlog
Reads the System eventlog
Sigma detected: Dot net compiler compiles file from suspicious location
Sigma detected: Potentially Suspicious PowerShell Child Processes
Sigma detected: Silenttrinity Stager Msbuild Activity
Sigma detected: Suspicious MSHTA Child Process
Sigma detected: Windows Shell/Scripting Application File Write to Suspicious Folder
Suricata IDS alerts for network traffic
Suspicious powershell command line found
Uses certutil -decode
Uses known network protocols on non-standard ports
Yara detected AntiVM3
Yara detected Powershell download and execute
Yara detected Sliver Implants
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1549928 Sample: update.hta Startdate: 06/11/2024 Architecture: WINDOWS Score: 100 48 secure.cloudtechnologiesusa.com 2->48 50 shed.dual-low.s-part-0017.t-0009.t-msedge.net 2->50 52 5 other IPs or domains 2->52 58 Suricata IDS alerts for network traffic 2->58 60 Malicious sample detected (through community Yara rule) 2->60 62 Antivirus detection for URL or domain 2->62 64 14 other signatures 2->64 10 mshta.exe 1 2->10         started        signatures3 process4 signatures5 66 Detected Cobalt Strike Beacon 10->66 68 Suspicious powershell command line found 10->68 13 powershell.exe 20 10->13         started        process6 signatures7 70 Uses certutil -decode 13->70 16 MSBuild.exe 14 26 13->16         started        21 conhost.exe 13->21         started        23 certutil.exe 2 13->23         started        process8 dnsIp9 46 secure.cloudtechnologiesusa.com 23.239.28.166, 49704, 49705, 8080 LINODE-APLinodeLLCUS United States 16->46 38 C:\Users\user\AppData\...\frq2t4gs.cmdline, Unicode 16->38 dropped 54 Reads the Security eventlog 16->54 56 Reads the System eventlog 16->56 25 csc.exe 4 16->25         started        28 csc.exe 4 16->28         started        30 csc.exe 3 16->30         started        file10 signatures11 process12 file13 40 C:\Users\user\AppData\Local\...\231risxc.dll, PE32 25->40 dropped 32 cvtres.exe 1 25->32         started        42 C:\Users\user\AppData\Local\...\frq2t4gs.dll, PE32 28->42 dropped 34 cvtres.exe 1 28->34         started        44 C:\Users\user\AppData\Local\...\leo1a3me.dll, PE32 30->44 dropped 36 cvtres.exe 1 30->36         started        process14
Threat name:
Script-JS.Downloader.Heuristic
Status:
Malicious
First seen:
2024-10-10 21:58:20 UTC
File Type:
Text (HTML)
Extracted files:
2
AV detection:
5 of 38 (13.16%)
Threat level:
  2/5
Verdict:
malicious
Label(s):
Similar samples:
Result
Malware family:
Score:
  10/10
Tags:
family:sliver backdoor defense_evasion discovery execution trojan
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Deobfuscate/Decode Files or Information
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Manipulates Digital Signatures
Sliver RAT v2
Sliver family
SliverRAT
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:Base64_Encoded_Powershell_Directives
Rule name:Certutil_Decode_OR_Download
Author:Florian Roth (Nextron Systems)
Description:Certutil Decode
Reference:Internal Research
Rule name:NET
Author:malware-lu

File information


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

Web download

Sliver

HTML Application (hta) hta 3a4befeda808fff4c4bef7d488d59fefa1334d9c7acb6cb155c6cfa9f88a03f3

(this sample)

  
Delivery method
Distributed via web download

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