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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c3fa08c79e4a45bbb3897109cf5fcb19ebab38a0c7fcc1350f17e77ecbb088f2. 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: 9


Intelligence 9 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c3fa08c79e4a45bbb3897109cf5fcb19ebab38a0c7fcc1350f17e77ecbb088f2
SHA3-384 hash: 6bac50078b61bfc61cf615658c84c61e7c99c4416a854ce7e16647fefad549f85352f3df91da021a385bdd02fd91e085
SHA1 hash: 050b7f5668c3f8232226358f6781a010aab2fa5a
MD5 hash: 17e2e592be0c91f294f66cfa6ec372e1
humanhash: tennis-ack-blossom-magnesium
File name:macho_c3fa08c79e4a.bin
Download: download sample
Signature AMOS
Create hunting rule
File size:2'118'560 bytes
First seen:2026-10-31 13:24:41 UTC
Last seen:Never
File type:php macho
MIME type:application/x-mach-binary
ssdeep 24576:ELqfMq/qD7tcUDeBA3mKym0pdY6FDju6TV9iNZ+ydg7qahz9qC+kwp7im3ZBwT:Cq8Z3Lymc+b+ydg7Z9j+k3
TLSH T1D0A5022C11772129DC022932A8310FC555A0AAE05A8DFFFEA721F7767D3169766723B3
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 (2,118,560 B), first seen on YARAify 2026-10-29 09:04 UTC (file name 8d5wkyb6, quill-family series, no source URL captured by us). Matches the Foxveil loader YARA rule. Not executed.

Intelligence

File Origin
# of uploads :
1
# of downloads :
134
Origin country :
US US
Vendor Threat Intelligence
No detections
Detection(s):
SecuriteInfo.com.MacOS.Agent-BWZ.35453683.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
90.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6ae5ec47b121dd519dcf09df
Tags:
vmdetect virus
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
anti-vm masquerade
Link:
https://www.filescan.io/uploads/6ae5ec4550b324e0d8111450/reports/53160dbf-f462-4926-adeb-6e5ed3a3a2e5/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/c3fa08c79e4a45bbb3897109cf5fcb19ebab38a0c7fcc1350f17e77ecbb088f2
Verdict:
Malicious
File Type:
macho fat
First seen:
2026-10-29T07:49:00Z UTC
Last seen:
2026-11-01T19:20:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/c3fa08c79e4a45bbb3897109cf5fcb19ebab38a0c7fcc1350f17e77ecbb088f2/results?tab=lookup
Score:
100%
Verdict:
Malware
File Type:
Mach-O universal binary
Link:
https://malprob.io/report/c3fa08c79e4a45bbb3897109cf5fcb19ebab38a0c7fcc1350f17e77ecbb088f2
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c3fa08c79e4a45bbb3897109cf5fcb19ebab38a0c7fcc1350f17e77ecbb088f2/
Threat name:
MacOS.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2026-10-31 09:04:03 UTC
AV detection:
8 of 38 (21.05%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=yp5arr46jjc3xm4joee46x6ldhv2wofay76mcnipc7tx5s5qrdza._file
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/c3fa08c79e4a45bbb3897109cf5fcb19ebab38a0c7fcc1350f17e77ecbb088f2

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:exploit_any_poppopret
Create hunting rule
Author:Jeff White [karttoon@gmail.com] @noottrak
Description:Identify POP -> POP -> RET opcodes for quick ROP Gadget creation in target binaries.
Rule name:Foxveil_Loader_TaskInfo_FwRot_Variant
Create hunting rule
Description:Foxveil macOS loader (ClickFix -> AMOS), quill/stratos generation with a rotated framework set: fat x86_64+arm64 linking libSystem+libc++ and two or more system frameworks (CoreFoundation no longer required) while importing nothing from any framework, CF, objc or swift, with the task_info/mach_task_self_/pthread_once resolver core in both slices inside a per-build random libc decoy import set
Rule name:Foxveil_Loader_TaskInfo_NoFw_Variant
Create hunting rule
Description:Foxveil macOS loader (ClickFix -> AMOS), quill/stratos generation, framework-agnostic: fat x86_64+arm64 linking libSystem+libc++ with any number of system frameworks (zero since 2026-10-30) and no framework, CF, objc or swift import, the task_info/mach_task_self_/pthread_once resolver core in both slices, and a 128 KB-1 MB __DATA_CONST,__const payload section in both slices
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
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.

Web download

AMOS

php macho c3fa08c79e4a45bbb3897109cf5fcb19ebab38a0c7fcc1350f17e77ecbb088f2

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3968966/

Comments