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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ffc3f8bdd9d37069c190378fc681e70992d9b88d9b8810cf00a1d89080c9ee8f. 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


AMOS


Vendor detections: 6


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

SHA256 hash: ffc3f8bdd9d37069c190378fc681e70992d9b88d9b8810cf00a1d89080c9ee8f
SHA3-384 hash: b6c32c9c2e0191a22ccf97716fbb310d961547c138a693185a0b935c46f3b1d92d55462ae3ac2781f3d4efce61a0b9d9
SHA1 hash: 296c2a52e77aa1c927e3614fd820c147f733fbbf
MD5 hash: b1b44ee6f47502d654fc954fd75c2427
humanhash: jig-equal-potato-september
File name:macho_ffc3f8bdd9d3.bin
Download: download sample
Signature AMOS
Create hunting rule
File size:1'890'256 bytes
First seen:2026-10-23 12:24:16 UTC
Last seen:Never
File type:php macho
MIME type:application/x-mach-binary
ssdeep 24576:l8GYwGqDUDu2lgT1liMLnxLDzRlTy3t9Rl7xWT7f61tOwIvLYf8leTJzhUnF9rNl:qcrcxA61EwwLYw2czT
TLSH T1AC95E154A66B1129DC013833AC240BD960F07E96194DBFFB53A5EF26AD37612BE63331
TrID 69.8% (.DYLIB) Mac OS X Mach-O universal Dynamically linked shared Library (32500/1/5)
15.0% (.O/DYLIB/BUNDLE) Mac OS X Universal Binary (generic) (7002/2)
15.0% (.CLASS) Java bytecode (7001/2/1)
Magika macho
Reporter c4ffeine
Tags:AMOS ClickFix Foxveil Mach-O machO macOS


Avatar
c4ffeine
Foxveil/AMOS reflective loader Mach-O (1,890,256 B), first seen on YARAify 2026-10-23 10:51 UTC (file name 01pemlfd, quill-family series, no source URL captured by us). Matches the Foxveil loader YARA rule; loader code shape close to the previous build of the series. Not executed.

Intelligence

File Origin
# of uploads :
1
# of downloads :
137
Origin country :
US US
Vendor Threat Intelligence
No detections
Detection(s):
SecuriteInfo.com.MacOS.Agent-BWZ.38393259.UNOFFICIAL
Create hunting rule

Verdict:
Clean
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6adb51f75a22ac805bd9d04b
Tags:
n/a
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
masquerade
Link:
https://www.filescan.io/uploads/6adb523fd909ca0fefdd5fc4/reports/57c92ede-4c02-45c3-ba8b-4e1e1189840c/overview
Verdict:
Malicious
Labled as:
Mac/malicious_confidence_70%
Link:
https://www.hybrid-analysis.com/sample/ffc3f8bdd9d37069c190378fc681e70992d9b88d9b8810cf00a1d89080c9ee8f
Verdict:
Malicious
File Type:
macho fat
First seen:
2026-10-23T08:24:00Z UTC
Last seen:
2026-10-24T18:19:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/ffc3f8bdd9d37069c190378fc681e70992d9b88d9b8810cf00a1d89080c9ee8f/results?tab=lookup
Score:
100%
Verdict:
Malware
File Type:
Mach-O universal binary
Link:
https://malprob.io/report/ffc3f8bdd9d37069c190378fc681e70992d9b88d9b8810cf00a1d89080c9ee8f
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ffc3f8bdd9d37069c190378fc681e70992d9b88d9b8810cf00a1d89080c9ee8f/
Threat name:
MacOS.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2026-10-23 12:25:29 UTC
File Type:
Binary (Archive)
Extracted files:
2
AV detection:
9 of 38 (23.68%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=77b7rpoz2nygtqmqg6h4naphbgjntoentoebbtyauhmjbagj52hq._file
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:Foxveil_Loader_TaskInfo_Variant
Create hunting rule
Description:Foxveil macOS loader (ClickFix -> AMOS), quill generation with run-time settings back inside the payload script (no constructor settings file): fat x86_64+arm64 linking CoreFoundation+libSystem+libc++ but importing nothing from CoreFoundation or objc, with the task_info/mach_task_self_ resolver core in both slices inside a per-build random libc decoy import set

File information

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

Web download

AMOS

php macho ffc3f8bdd9d37069c190378fc681e70992d9b88d9b8810cf00a1d89080c9ee8f

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3947856/

Comments