🤲🏼 NEW | abuse.ch Community Hub! Earn recognition 🏅 for the malware intelligence you share, climb the leaderboards 📈, and connect with like-minded contributors who share your hunting focus 🤝. Ready to unlock your profile? Go to the Community Hub →

MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ff18c5b918b2d2e33c072b93f0b3f94b7e38edb449f6331ecd35915254bd2f0c. 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: 4


Intelligence 4 IOCs YARA 6 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ff18c5b918b2d2e33c072b93f0b3f94b7e38edb449f6331ecd35915254bd2f0c
SHA3-384 hash: 7d6b90822ca82a4da14b4c514e114cef3b9f90d3f196c0b3b3092a6ffc8d4eb292bd60f94ee89aec51b2170ea57e0e63
SHA1 hash: 98c04518b7388ccdf48e50362e9219a47a7212bb
MD5 hash: 3c2e8208ef7a046c70a56f6a76cd443e
humanhash: ack-king-mississippi-washington
File name:fabric-api-0.128.2 1.21.5.jar
Download: download sample
Signature SilentNet
Create hunting rule
File size:2'940'411 bytes
First seen:2026-09-30 00:55:22 UTC
Last seen:Never
File type:Java file jar
MIME type:application/zip
ssdeep 49152:4uOrwfVEHAittoNSWh7JIxdMgd36y3mpkaf+vsPCNjwn0QYE3axHrnJd2cZMkr:4UEHhtoNS6Jvmcr+vsuc/KV9dtlr
TLSH T1B5D53357656E4623CB5A776FE4DCBE8AC0024188BC6A5B32EF70C3276FCE5469672007
TrID 77.1% (.JAR) Java Archive (13500/1/2)
22.8% (.ZIP) ZIP compressed archive (4000/1)
Magika jar
Reporter GhostTypes
Tags:EtherHiding jar SilentNet

Intelligence

File Origin
# of uploads :
1
# of downloads :
93
Origin country :
US US
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
jar
Verdict:
No threats detected
Analysis date:
2026-09-30 00:57:02 UTC
Tags:
arch-exec
Link:
https://app.any.run/tasks/f4da28df-58a6-4c6a-a52f-e253c81b2748

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/89775/
Detection(s):
SecuriteInfo.com.Java.SuspAttach.16865471.UNOFFICIAL
Create hunting rule

Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/6abc777e5c2aaff86ae5e414/reports/5589e207-9f83-43d9-b764-784e76b0a43b/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/ff18c5b918b2d2e33c072b93f0b3f94b7e38edb449f6331ecd35915254bd2f0c
Verdict:
Malicious
File Type:
jar
First seen:
2026-09-30T02:00:00Z UTC
Last seen:
2026-10-01T21:42:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/ff18c5b918b2d2e33c072b93f0b3f94b7e38edb449f6331ecd35915254bd2f0c/results?tab=lookup
Score:
0%
Verdict:
Benign
File Type:
ARCHIVE
Link:
https://malprob.io/report/ff18c5b918b2d2e33c072b93f0b3f94b7e38edb449f6331ecd35915254bd2f0c
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ff18c5b918b2d2e33c072b93f0b3f94b7e38edb449f6331ecd35915254bd2f0c/
Threat name:
Binary.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2026-09-30 00:56:22 UTC
File Type:
Binary (Archive)
Extracted files:
1438
AV detection:
3 of 24 (12.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=74mmloiywljogpahfoj7bm7zjn7dr3nujh3dghwngwivevf5f4ga._file
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Link:
https://tria.ge/reports/260930-a91xaavcrf/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/ff18c5b918b2d2e33c072b93f0b3f94b7e38edb449f6331ecd35915254bd2f0c

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:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:JAVA_Malware_SilentNet_ForgeAuto_9343a597_Extrait
Create hunting rule
Author:Marjoriefort
Description:Detects SilentNet (class, etat extrait)
Rule name:JAVA_Malware_SilentNet_ForgeAuto_cb879ecb_Extrait
Create hunting rule
Author:Marjoriefort
Description:Detects SilentNet (class, etat extrait)
Rule name:JAVA_Malware_Unknown_ForgeAuto_0ece8eba
Create hunting rule
Author:Marjoriefort
Description:Detects Unknown (class, etat binaire)
Rule name:JAVA_Malware_Unknown_ForgeAuto_8814e6c9
Create hunting rule
Author:Marjoriefort
Description:Detects Unknown (class, etat binaire)
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar

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 ff18c5b918b2d2e33c072b93f0b3f94b7e38edb449f6331ecd35915254bd2f0c

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/89775/
  
URLhaus
https://urlhaus.abuse.ch/url/3925301/
  
Delivery method
Distributed via web download

Comments


Avatar
commented on 2026-09-30 02:44:59 UTC

Fake fabric-api dependency jar (dep-disguise TTP: masquerades as the legit Fabric API, version string in filename) from rough-glade-bfc8.pentagon-e8b.workers.dev/deps/ — NOT a clean decoy, full stealer. com/example/mod 6-class kit (donki form), build 2026-09-25 20:34, C2 contract 0x728198F69184f7d7ca607617cb9B79f28e1C43c2 -> antimalwarediagnostics.st. Attribution: cluster-a-fleet-operator.