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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 83ef81d48afa643d27fe562d1c4a709a35a42b10cd57ea82213f0fdeb9d78633. 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: 7


Intelligence 7 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 83ef81d48afa643d27fe562d1c4a709a35a42b10cd57ea82213f0fdeb9d78633
SHA3-384 hash: 63be1aa0fc25ad0cad0cb98f3053dff3fb98aba79d40cb0caf9508321334259bbdee3af9daed1ecd35237a50f653e0d5
SHA1 hash: f4551e719fc1582b13357961269f170db32b3a85
MD5 hash: 3b99e86f0ec349fda50cb2b80dff85bc
humanhash: bacon-california-hamper-berlin
File name:macho_83ef81d48afa.bin
Download: download sample
Signature AMOS
Create hunting rule
File size:2'021'008 bytes
First seen:2026-10-30 00:25:55 UTC
Last seen:Never
File type:php macho
MIME type:application/x-mach-binary
ssdeep 49152:rZtf+bJLwBn0E0YEX9GOj7Fe9vpzMppkt:FMg0Y7Oj7F2
TLSH T16D95E010DF5FA1ABE44B10739C9A4F48857020A0CD49DEED4741F3AAAE357D36B126BB
TrID 82.2% (.DYLIB) Mac OS X Mach-O universal Dynamically linked shared Library (32500/1/5)
17.7% (.O/DYLIB/BUNDLE) Mac OS X Universal Binary (generic) (7002/2)
Magika macho
Reporter c4ffeine
Tags:AMOS ClickFix Foxveil Mach-O machO macOS


Avatar
c4ffeine
Foxveil/AMOS reflective loader Mach-O (2,021,008 B), first seen on YARAify 2026-10-28 08:52 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 :
141
Origin country :
US US
Vendor Threat Intelligence
No detections
Detection(s):
SecuriteInfo.com.MacOS.Agent-BWZ.62499387.UNOFFICIAL
Create hunting rule

Verdict:
Clean
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6ae3e426b121dd519dceaccf
Tags:
n/a
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
lummastealer masquerade
Link:
https://www.filescan.io/uploads/6ae3e42570b624bab0f9c7de/reports/94048dbf-fdda-41d9-a20b-d58f54c0cac2/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/83ef81d48afa643d27fe562d1c4a709a35a42b10cd57ea82213f0fdeb9d78633
Verdict:
Malicious
File Type:
macho fat
First seen:
2026-10-29T01:48:00Z UTC
Last seen:
2026-10-31T22:18:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/83ef81d48afa643d27fe562d1c4a709a35a42b10cd57ea82213f0fdeb9d78633/results?tab=lookup
Score:
100%
Verdict:
Malware
File Type:
Mach-O universal binary
Link:
https://malprob.io/report/83ef81d48afa643d27fe562d1c4a709a35a42b10cd57ea82213f0fdeb9d78633
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/83ef81d48afa643d27fe562d1c4a709a35a42b10cd57ea82213f0fdeb9d78633/
Threat name:
MacOS.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2026-10-30 00:26:15 UTC
File Type:
Binary (Archive)
Extracted files:
2
AV detection:
9 of 23 (39.13%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qpxydvek7jsd2j76kywrystqti22ikyqzvl6varbh4h55ooxqyzq._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/83ef81d48afa643d27fe562d1c4a709a35a42b10cd57ea82213f0fdeb9d78633

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:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
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_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 83ef81d48afa643d27fe562d1c4a709a35a42b10cd57ea82213f0fdeb9d78633

(this sample)

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

Comments