MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 df25230eb7c0ddbd033e4ac933eb0ef7fe76571fcc45bc112f9351d3837d9f8a. 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


Matanbuchus


Vendor detections: 8


Intelligence 8 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: df25230eb7c0ddbd033e4ac933eb0ef7fe76571fcc45bc112f9351d3837d9f8a
SHA3-384 hash: 4b999db4f963de115b900b324d4443a8badaebc9d49f75077efbbd0cf43e96e7d73c16f463e51b475516e578ad04f186
SHA1 hash: a1717b49b2377b17d0b1db3b9613595c3b6f690c
MD5 hash: 107bf2bfbc9d52e72204996dd670663c
humanhash: saturn-november-two-stream
File name:out_nbpvg.js
Download: download sample
Signature Matanbuchus
Create hunting rule
File size:1'114'631 bytes
First seen:2024-07-29 17:33:03 UTC
Last seen:2024-07-29 19:08:48 UTC
File type:Java Script (JS) js
MIME type:application/json
ssdeep 24576:7sHxInbixmPEw11je4YHp2L/C5ExZ+CgR92PafXFW3:7sHxQbxPEw1Be4YHp2L/CixZ+CgR92Pj
TLSH T1EE355BA0FA4501661E83579FAC6265D2FD2CD21183022218F99E439D1F875ECD3BDBAF
Reporter Anonymous
Tags:js matanbuchus

Intelligence

File Origin
# of uploads :
2
# of downloads :
118
Origin country :
US US
Vendor Threat Intelligence
Verdict:
Malicious
Score:
90.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66a892479d47c7700ac5f424
Tags:
Execution Generic Infostealer Network Stealth
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug anti-vm masquerade
Link:
https://www.filescan.io/uploads/66a7d29378d5c73fb1c8b000/reports/863fe506-1504-49bd-b2d9-b6a1ae43ca66/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/df25230eb7c0ddbd033e4ac933eb0ef7fe76571fcc45bc112f9351d3837d9f8a
Result
Verdict:
MALICIOUS
Details
Base64 Encoded URL
Detected an ANSI or UNICODE http:// or https:// base64 encoded URL prefix.
Result
Threat name:
Matanbuchus
Create hunting rule
Detection:
malicious
Classification:
evad.troj.expl
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1484523
Signature
Creates processes via WMI
JavaScript file contains Antivirus product strings
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Sigma detected: Dot net compiler compiles file from suspicious location
Sigma detected: Script Initiated Connection to Non-Local Network
Sigma detected: Silenttrinity Stager Msbuild Activity
Sigma detected: Windows Shell/Scripting Application File Write to Suspicious Folder
Sigma detected: WScript or CScript Dropper
Suspicious execution chain found
System process connects to network (likely due to code injection or exploit)
Yara detected Matanbuchus
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1484523 Sample: out_nbpvg.js Startdate: 30/07/2024 Architecture: WINDOWS Score: 100 47 www.ssl.com 2->47 49 suburand.com 2->49 51 4 other IPs or domains 2->51 57 Malicious sample detected (through community Yara rule) 2->57 59 Multi AV Scanner detection for dropped file 2->59 61 Yara detected Matanbuchus 2->61 63 6 other signatures 2->63 9 wscript.exe 1 3 2->9         started        14 regsvr32.exe 2->14         started        signatures3 process4 dnsIp5 55 www.ssl.com 3.95.51.254, 49704, 80 AMAZON-AESUS United States 9->55 43 C:\Users\Public\anacid.xml, ASCII 9->43 dropped 67 System process connects to network (likely due to code injection or exploit) 9->67 69 Suspicious execution chain found 9->69 71 Creates processes via WMI 9->71 16 MSBuild.exe 24 9->16         started        20 regsvr32.exe 14->20         started        file6 signatures7 process8 dnsIp9 45 suburand.com 193.109.85.78, 443, 49706, 49708 M247GB Russian Federation 16->45 33 C:\Users\user\AppData\...\MediaProcessing.dll, PE32 16->33 dropped 35 C:\Users\user\...\useraccount4[1].aspx, PE32 16->35 dropped 37 C:\Users\user\AppData\...\nemee4t5.cmdline, Unicode 16->37 dropped 22 rundll32.exe 8 16->22         started        27 csc.exe 4 16->27         started        29 conhost.exe 16->29         started        file10 process11 dnsIp12 53 rebistars.com 193.109.85.79, 443, 49707 M247GB Russian Federation 22->53 39 C:\Users\user\8f08\user-PC.ocx, PE32 22->39 dropped 65 System process connects to network (likely due to code injection or exploit) 22->65 41 C:\Users\user\AppData\Local\...\nemee4t5.dll, PE32 27->41 dropped 31 cvtres.exe 1 27->31         started        file13 signatures14 process15
Score:
100%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/df25230eb7c0ddbd033e4ac933eb0ef7fe76571fcc45bc112f9351d3837d9f8a
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/df25230eb7c0ddbd033e4ac933eb0ef7fe76571fcc45bc112f9351d3837d9f8a/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=34ssgdvxydo32az6jleth2yo677hmvy7zrc3yejpsni5ha35t6fa._file
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/df25230eb7c0ddbd033e4ac933eb0ef7fe76571fcc45bc112f9351d3837d9f8a

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:unknown_dropper
Create hunting rule
Author:#evilcel3ri
Description:Detects an unknown dropper
Rule name:Warp
Create hunting rule
Author:Seth Hardy
Description:Warp
Rule name:WarpStrings
Create hunting rule
Author:Seth Hardy
Description:Warp Identifying Strings

File information

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

Comments