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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b5372d3f8e48718f28e597ca752c160c701a6fee59024406e8e0e643c63310d0. 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



SilentNet


Vendor detections: 5


Intelligence 5 IOCs YARA 1 File information Comments

SHA256 hash: b5372d3f8e48718f28e597ca752c160c701a6fee59024406e8e0e643c63310d0
SHA3-384 hash: 9787b13aec737cb01dd5550260977ed4b87d2d068767177d0a9d43830fbce60a460a1419a63c8bfbb9096992fb64eada
SHA1 hash: dacfbb5f681b8eb13c84cd81a4dc1e8082de30e7
MD5 hash: b53bf33d610a613b35748534d3291bbb
humanhash: oscar-stairway-west-neptune
File name:ui_utils-1.0.2+1.21.11.jar
Download: download sample
Signature SilentNet
File size:1'151'824 bytes
First seen:2026-09-24 18:44:08 UTC
Last seen:Never
File type:Java file jar
MIME type:application/zip
ssdeep 24576:qy8tGTKEIwqw/ZSiDqJOPoGSV0g+9J1LggoZJQpzf:jorEIK/0i/PoNcBLgg86Bf
TLSH T187351222AC5C0A7EF763697FC7426541606A4F94C560D23F39B9BE09F26A8CF570C389
TrID 77.1% (.JAR) Java Archive (13500/1/2)
22.8% (.ZIP) ZIP compressed archive (4000/1)
Magika jar
Reporter wok
Tags:jar java Python SilentNet

Intelligence


File Origin
# of uploads :
1
# of downloads :
114
Origin country :
NZ NZ
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
ui_utils-1.0.2+1.21.11.jar
Verdict:
Malicious activity
Analysis date:
2026-09-24 18:40:31 UTC
Tags:
silentnet stealer python evasion openssl tool auto generic arch-doc arch-exec arch-scr

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
anti-debug lolbin obfuscated rundll32
Verdict:
Malicious
File Type:
jar
First seen:
2026-09-16T12:16:00Z UTC
Last seen:
2026-09-25T17:42:00Z UTC
Hits:
~10
Threat name:
ByteCode-JAVA.Trojan.Generic
Status:
Suspicious
First seen:
2026-08-14 01:28:41 UTC
File Type:
Binary (Archive)
Extracted files:
694
AV detection:
5 of 38 (13.16%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
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:MULTI_Dropper_Unknown_GitHubObfuscated_JAR
Author:Marjoriefort
Description:JAR dropper : classes obfusquees a noms random sous com/github/ (densite >= 4) - famille du resolver GitHub
Reference:Veille glissante 2026-09-17_22 / grappe 21 JAR

File information


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

Web download

SilentNet

Java file jar b5372d3f8e48718f28e597ca752c160c701a6fee59024406e8e0e643c63310d0

(this sample)

  
Dropping
SilentNet
  
Delivery method
Distributed via web download

Comments