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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a71345d92a16458f96106cb3d3813c4ac67f42df6af4e8d6d64f8ec20a2eb114. 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


PavinLoader


Vendor detections: 5


Intelligence 5 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a71345d92a16458f96106cb3d3813c4ac67f42df6af4e8d6d64f8ec20a2eb114
SHA3-384 hash: 749e736c9f583920cba0ec97c383cdf65c0410cbe1a9581c624ef2dda105d55ba416efb7dee0daad3e0cf23a1fea7a3f
SHA1 hash: 0b43da2246223821ae8c445274915f4dbab06634
MD5 hash: b53181f632fe32c0a853f9f8cc0d59ac
humanhash: thirteen-louisiana-mars-glucose
File name:39bwhpUVN.bat
Download: download sample
Signature PavinLoader
Create hunting rule
File size:13'144'975 bytes
First seen:2026-06-11 09:30:59 UTC
Last seen:Never
File type:Batch (bat) bat
MIME type:text/plain
ssdeep 24576:eRmHC53KZ7jDQVYwklsppH9bxZ+w+rHToY/jqDdLzOoZt0IcRQLKxK2qPqv8lrN3:I
TLSH T18AD664C3B3C6477D46A442C4700BA696E22394B4701E4A6F8CDE317818DB6AD4777AFE
TrID 52.1% (.CSPROJ) Visual Studio C# Project (43000/1/10)
47.8% (.TARGETS) MSBuild Targets (39500/1/9)
Magika txt
Reporter smica83
Tags:bat HUN PavinLoader

Intelligence

File Origin
# of uploads :
1
# of downloads :
39
Origin country :
HU HU
Vendor Threat Intelligence
No detections
Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6a2a94e634eaf30d8ce4d628
Tags:
ransomware vmdetect shell sage
Result
Verdict:
Clean
Maliciousness:

Behaviour
Launching a process
Creating a file
Connection attempt
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
anti-vm
Link:
https://www.filescan.io/uploads/6a2a94e01f652d686577f0ae/reports/5e84c730-a4fe-4cb3-8cac-045619c029fb/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/a71345d92a16458f96106cb3d3813c4ac67f42df6af4e8d6d64f8ec20a2eb114
Verdict:
Unknown
File Type:
text.html
Link:
https://opentip.kaspersky.com/a71345d92a16458f96106cb3d3813c4ac67f42df6af4e8d6d64f8ec20a2eb114/results?tab=lookup
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
92 / 100
Link:
https://www.joesandbox.com/analysis/1926502
Signature
Antivirus detection for URL or domain
Deletes itself after installation
Found large BAT file
Hides threads from debuggers
Joe Sandbox ML detected suspicious sample
Multi AV Scanner detection for submitted file
Sigma detected: Silenttrinity Stager Msbuild Activity
Suricata IDS alerts for network traffic
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1926502 Sample: 39bwhpUVN.bat Startdate: 11/06/2026 Architecture: WINDOWS Score: 92 27 k8s-ingressn-bscmainn-92244380d0-811109128.us-east-1.elb.amazonaws.com 2->27 29 prism-tech.cfd 2->29 31 10 other IPs or domains 2->31 39 Suricata IDS alerts for network traffic 2->39 41 Antivirus detection for URL or domain 2->41 43 Multi AV Scanner detection for submitted file 2->43 45 4 other signatures 2->45 9 cmd.exe 1 2->9         started        signatures3 process4 process5 11 conhost.exe 9->11         started        13 conhost.exe 9->13         started        15 where.exe 1 9->15         started        17 chcp.com 1 9->17         started        process6 19 cmd.exe 1 11->19         started        process7 21 MSBuild.exe 15 4 19->21         started        25 chcp.com 1 19->25         started        dnsIp8 33 k8s-ingressn-bscmainn-92244380d0-811109128.us-east-1.elb.amazonaws.com 3.230.104.193, 443, 49727 AMAZON-AES-AmazoncomIncUS United States 21->33 35 ipv4.ipleak.net 95.85.16.212, 443, 49731 DIGITALOCEAN-ASN-DigitalOceanLLCUS Netherlands 21->35 37 2 other IPs or domains 21->37 47 Deletes itself after installation 21->47 49 Hides threads from debuggers 21->49 signatures9
Score:
20%
Verdict:
Benign
File Type:
SCRIPT
Link:
https://malprob.io/report/a71345d92a16458f96106cb3d3813c4ac67f42df6af4e8d6d64f8ec20a2eb114
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a71345d92a16458f96106cb3d3813c4ac67f42df6af4e8d6d64f8ec20a2eb114/
Threat name:
Script-JS.Trojan.Heuristic
Create hunting rule
Status:
Malicious
First seen:
2026-06-10 15:41:45 UTC
File Type:
Text
AV detection:
6 of 38 (15.79%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=u4julwjkczcy7fqqnsz5haj4jldh6qw7nl2orvwwj6hmecroweka._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery
Link:
https://tria.ge/reports/260611-m2579abv4t/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of NtSetInformationThreadHideFromDebugger
Deletes itself
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.40
Link:
https://yomi.yoroi.company/submissions/a71345d92a16458f96106cb3d3813c4ac67f42df6af4e8d6d64f8ec20a2eb114

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:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:Sus_CMD_Powershell_Usage
Create hunting rule
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
Rule name:vmdetect
Create hunting rule
Author:nex
Description:Possibly employs anti-virtualization techniques

File information

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

Comments