MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b85a2ec32a2e4a0b8762297dcfa51b87309e92b0d930b66ba523d4133d1faffa. 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


Mirai


Vendor detections: 5


Intelligence 5 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b85a2ec32a2e4a0b8762297dcfa51b87309e92b0d930b66ba523d4133d1faffa
SHA3-384 hash: 83d715dcdbc7f8bcf051e90c37a5a272a79986823d267ee1ccea5a063c19cad1dc5bbb60fa605c3b78042d8ada236be9
SHA1 hash: 7b06a5d4db870203db6734fbe75988c207fdb845
MD5 hash: 5b11f6d653dad974d19b4c2e08be7947
humanhash: florida-five-red-early
File name:catgirl.x86
Download: download sample
Signature Mirai
Create hunting rule
File size:83'208 bytes
First seen:2026-01-02 22:19:51 UTC
Last seen:2026-01-02 23:31:55 UTC
File type: elf
MIME type:application/x-sharedlib
ssdeep 1536:HZRpW2ymYeX5t0hcIZA03cY+alvWLSN3oroC:o2X3uhcIx3cPalvWnoC
TLSH T1AE835B44F783E0F9F29345B1422BE3FA5A748D156026EAE1FB0A3779BC717124E4A12D
TrID 50.1% (.) ELF Executable and Linkable format (Linux) (4022/12)
49.8% (.O) ELF Executable and Linkable format (generic) (4000/1)
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
2
# of downloads :
37
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Verdict:
Unknown
File Type:
elf.32.le
First seen:
2026-01-01T17:29:00Z UTC
Last seen:
2026-01-02T19:58:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/b85a2ec32a2e4a0b8762297dcfa51b87309e92b0d930b66ba523d4133d1faffa/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/3f476c35-3211-401b-a1f5-a7baa8acb095
Behavior Graph:
Download SVG
%3 guuid=a8019eab-1a00-0000-6c9b-1eb2e70a0000 pid=2791 /usr/bin/sudo guuid=b28031af-1a00-0000-6c9b-1eb2e80a0000 pid=2792 /tmp/sample.bin delete-file guuid=a8019eab-1a00-0000-6c9b-1eb2e70a0000 pid=2791->guuid=b28031af-1a00-0000-6c9b-1eb2e80a0000 pid=2792 execve guuid=8534acaf-1a00-0000-6c9b-1eb2ea0a0000 pid=2794 /tmp/sample.bin net send-data zombie guuid=b28031af-1a00-0000-6c9b-1eb2e80a0000 pid=2792->guuid=8534acaf-1a00-0000-6c9b-1eb2ea0a0000 pid=2794 clone 7fb97070-32d1-5fd6-8c26-83939d359b08 199.217.99.229:21 guuid=8534acaf-1a00-0000-6c9b-1eb2ea0a0000 pid=2794->7fb97070-32d1-5fd6-8c26-83939d359b08 send: 65B b0abba15-9a34-51cb-a2ff-3008f7e59616 208.67.222.222:53 guuid=8534acaf-1a00-0000-6c9b-1eb2ea0a0000 pid=2794->b0abba15-9a34-51cb-a2ff-3008f7e59616 send: 36B
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/ca5fda2c-b0eb-4531-85ff-96c9ffd31038
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
52 / 100
Link:
https://www.joesandbox.com/analysis/1843851
Signature
Multi AV Scanner detection for submitted file
Sample deletes itself
Behaviour
Behavior Graph:
Download SVG
Score:
99%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b85a2ec32a2e4a0b8762297dcfa51b87309e92b0d930b66ba523d4133d1faffa
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b85a2ec32a2e4a0b8762297dcfa51b87309e92b0d930b66ba523d4133d1faffa/
Threat name:
Linux.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2026-01-01 22:24:01 UTC
File Type:
ELF32 Little (SO)
AV detection:
10 of 38 (26.32%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xbnc5qzkfzfaxb3cff647ji3q4yj5evq3eylm25fepkbgpi7v75a._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion linux
Link:
https://tria.ge/reports/260102-19mb1azmfl/
Behaviour
Changes its process name
Deletes itself
Modifies Watchdog functionality
Unexpected DNS network traffic destination
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/c62ce5be-72d5-4c8d-8ff5-710eb0a36005
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.20
Link:
https://yomi.yoroi.company/submissions/b85a2ec32a2e4a0b8762297dcfa51b87309e92b0d930b66ba523d4133d1faffa

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:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:unixredflags3
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags

File information

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

Web download

Mirai

elf b85a2ec32a2e4a0b8762297dcfa51b87309e92b0d930b66ba523d4133d1faffa

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3749312/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3749318/

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