MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a4a3e947646b847a47924b5a778b811911444e1b04e4742fecf3e3e2447b859c. 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: 11


Intelligence 11 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a4a3e947646b847a47924b5a778b811911444e1b04e4742fecf3e3e2447b859c
SHA3-384 hash: f4df6d17e27ecee71d3ec01a188116c69da4f4ac461015bf38a543569161d1d7e34aca2b5d3f0063d2be5802b715b32b
SHA1 hash: 9cabdc47ba0c7bc24ffb9a554ec6776bb572c665
MD5 hash: bec7e9d6d15d05786e5d3e0442883db1
humanhash: hamper-nuts-robin-east
File name:kvariant.arm7
Download: download sample
Signature Mirai
Create hunting rule
File size:171'303 bytes
First seen:2025-10-25 22:39:43 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:NFZZOSFlchaseNVrBKtTE2A437cjxkp8XqjmMLagPbM/9tzJ2Sp5S6mNw4fHxwdR:7ihasiVrBKtTE/4Zp8XqKcagTM/9RYHg
TLSH T1A4F31A46E6818B07C0D2277AFA9F42553333AB64D3DB33069928ABF43F8679D4E27505
telfhash t161315365167a851a6b62eddc9dddabf1111d87133283fe33ff3289ac5022046d82ac4f
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
42
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.29524.LC.UNOFFICIAL
Create hunting rule

Unix.Dropper.Mirai-7139229-0
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Unix.Trojan.Mirai-9760303-0
Create hunting rule

Unix.Exploit.Mirai-9798002-0
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Unix.Dropper.Mirai-9977145-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Runs as daemon
DNS request
Substitutes an application name
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gcc masquerade obfuscated rust
Link:
https://www.filescan.io/uploads/68fd5244c85c5c5697360e5c/reports/d586c8ee-ee05-4579-8b8a-774c92cddccc/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-10-25T20:08:00Z UTC
Last seen:
2025-10-25T22:03:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/a4a3e947646b847a47924b5a778b811911444e1b04e4742fecf3e3e2447b859c/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/ab3403b1-861e-4e88-9e4f-f9ed20b777a0
Behavior Graph:
Download SVG
%3 guuid=c139ca00-1b00-0000-0f7e-15e0890c0000 pid=3209 /usr/bin/sudo guuid=c2a81703-1b00-0000-0f7e-15e08a0c0000 pid=3210 /tmp/sample.bin guuid=c139ca00-1b00-0000-0f7e-15e0890c0000 pid=3209->guuid=c2a81703-1b00-0000-0f7e-15e08a0c0000 pid=3210 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/78b2a8c5-1a8d-478a-b71a-230f0eaffb87
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1801846
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/a4a3e947646b847a47924b5a778b811911444e1b04e4742fecf3e3e2447b859c
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a4a3e947646b847a47924b5a778b811911444e1b04e4742fecf3e3e2447b859c/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-10-25 22:43:39 UTC
File Type:
ELF32 Little (Exe)
AV detection:
20 of 37 (54.05%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=usr6sr3enochur4sjnnhpc4bdeiuitq3atshil7m6pr6erd3qwoa._file
Result
Malware family:
n/a
Score:
  4/10
Tags:
n/a
Link:
https://tria.ge/reports/251025-2mmjxsas7b/
Behaviour
Changes its process name
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7139229-0
YARA:
n/a
Link:
https://app.threat.zone/submission/ae3a859b-98d2-4890-ad75-3f495279a15f
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/a4a3e947646b847a47924b5a778b811911444e1b04e4742fecf3e3e2447b859c

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:CVE_2017_17215
Create hunting rule
Author:NDA0E
Description:Detects exploitation attempt of CVE-2017-17215
Rule name:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:Linux_Generic_Threat_8299c877
Create hunting rule
Author:Elastic Security
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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 a4a3e947646b847a47924b5a778b811911444e1b04e4742fecf3e3e2447b859c

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3686149/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3685997/
  
URLhaus
https://urlhaus.abuse.ch/url/3686806/
  
URLhaus
https://urlhaus.abuse.ch/url/3685993/
  
URLhaus
https://urlhaus.abuse.ch/url/3686221/
  
URLhaus
https://urlhaus.abuse.ch/url/3684787/
  
URLhaus
https://urlhaus.abuse.ch/url/3685988/
  
URLhaus
https://urlhaus.abuse.ch/url/3685890/
  
URLhaus
https://urlhaus.abuse.ch/url/3686120/
  
URLhaus
https://urlhaus.abuse.ch/url/3686782/
  
URLhaus
https://urlhaus.abuse.ch/url/3686053/
  
URLhaus
https://urlhaus.abuse.ch/url/3686185/
  
URLhaus
https://urlhaus.abuse.ch/url/3687020/
  
URLhaus
https://urlhaus.abuse.ch/url/3685746/
  
URLhaus
https://urlhaus.abuse.ch/url/3686935/
  
URLhaus
https://urlhaus.abuse.ch/url/3686990/
  
URLhaus
https://urlhaus.abuse.ch/url/3686231/
  
URLhaus
https://urlhaus.abuse.ch/url/3685750/
  
URLhaus
https://urlhaus.abuse.ch/url/3685360/
  
URLhaus
https://urlhaus.abuse.ch/url/3686182/
  
URLhaus
https://urlhaus.abuse.ch/url/3686041/
  
URLhaus
https://urlhaus.abuse.ch/url/3686081/
  
URLhaus
https://urlhaus.abuse.ch/url/3685860/

Comments