MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 947daaf81cc4417919722f530fb4ca58309d42233e5a7f031daae4e9feb3e9ff. 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: 9


Intelligence 9 IOCs YARA 10 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 947daaf81cc4417919722f530fb4ca58309d42233e5a7f031daae4e9feb3e9ff
SHA3-384 hash: c768b4eee5b4d4b389d128127fdece8f6226c8e840a8fcf682f8b54cd5376e0bd0e4f0ab1051396ad45238b965b5e8f6
SHA1 hash: 56285537a9cde154260a713b8341f0d868460d7c
MD5 hash: 35536d79c73e5d81cce48bf010f60f6e
humanhash: hawaii-emma-steak-triple
File name:shadow.x86_64
Download: download sample
Signature Mirai
Create hunting rule
File size:74'752 bytes
First seen:2025-12-31 01:58:08 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:zeBo1Ud8l2uNENqYx29cptHr4/nx9AR4tUsrZdshy2s1yerRizV8uLPaI1BUGU/1:n1Ud8DENP29mtHr4/nx9AR4tUsrZdsh9
TLSH T155732A5BB48441FDC458C2380B7EB03BD575B8BE52BDB2FA27D4FB066982E205D6C429
telfhash t1d71145343d411e69a3e7d872b313e5fb8c220a9034a136e0db3ba9d24f1b3c45da1022
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 :
1
# of downloads :
44
Origin country :
DE DE
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Link:
https://research.acce.ciphertechsolutions.com/results/3ef751e2-c6f7-4056-b991-44bd1ca420b3/
Detection(s):
Sanesecurity.Malware.29052.TSource.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-1
Create hunting rule

Result
Gathering data
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/287c6f1f-046f-4eb9-b405-6b1308dd7f9a
Behavior Graph:
Download SVG
%3 guuid=c18d59a3-1800-0000-a219-a3b6500a0000 pid=2640 /usr/bin/sudo guuid=e61b89a5-1800-0000-a219-a3b65a0a0000 pid=2650 /tmp/sample.bin delete-file net guuid=c18d59a3-1800-0000-a219-a3b6500a0000 pid=2640->guuid=e61b89a5-1800-0000-a219-a3b65a0a0000 pid=2650 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=e61b89a5-1800-0000-a219-a3b65a0a0000 pid=2650->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=66c6b1a5-1800-0000-a219-a3b65b0a0000 pid=2651 /tmp/sample.bin write-file zombie guuid=e61b89a5-1800-0000-a219-a3b65a0a0000 pid=2650->guuid=66c6b1a5-1800-0000-a219-a3b65b0a0000 pid=2651 clone guuid=fb81bba5-1800-0000-a219-a3b65c0a0000 pid=2652 /tmp/sample.bin dns net send-data guuid=66c6b1a5-1800-0000-a219-a3b65b0a0000 pid=2651->guuid=fb81bba5-1800-0000-a219-a3b65c0a0000 pid=2652 clone guuid=fb81bba5-1800-0000-a219-a3b65c0a0000 pid=2652->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con b4bf20d4-f7c8-5c24-8830-c23364537aa4 8.8.4.4:53 guuid=fb81bba5-1800-0000-a219-a3b65c0a0000 pid=2652->b4bf20d4-f7c8-5c24-8830-c23364537aa4 send: 26B c610bf36-1f00-5bc3-ae18-24f0473b35c2 81.88.18.108:6767 guuid=fb81bba5-1800-0000-a219-a3b65c0a0000 pid=2652->c610bf36-1f00-5bc3-ae18-24f0473b35c2 send: 13B guuid=2955c9a5-1800-0000-a219-a3b65e0a0000 pid=2654 /tmp/sample.bin guuid=fb81bba5-1800-0000-a219-a3b65c0a0000 pid=2652->guuid=2955c9a5-1800-0000-a219-a3b65e0a0000 pid=2654 clone
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/5a24bd4f-7ba6-44be-8a89-d381a0f1f799
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1842521
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Performs DNS TXT record lookups
Sample deletes itself
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1842521 Sample: shadow.x86_64.elf Startdate: 31/12/2025 Architecture: LINUX Score: 64 22 kurol.io 2->22 24 81.88.18.108, 34702, 6767 LEVEL3US Germany 2->24 26 4 other IPs or domains 2->26 28 Malicious sample detected (through community Yara rule) 2->28 30 Multi AV Scanner detection for submitted file 2->30 9 shadow.x86_64.elf 2->9         started        12 dash rm 2->12         started        14 dash rm 2->14         started        signatures3 32 Performs DNS TXT record lookups 22->32 process4 signatures5 34 Sample deletes itself 9->34 16 shadow.x86_64.elf 9->16         started        process6 process7 18 shadow.x86_64.elf 16->18         started        process8 20 shadow.x86_64.elf 18->20         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/947daaf81cc4417919722f530fb4ca58309d42233e5a7f031daae4e9feb3e9ff
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/947daaf81cc4417919722f530fb4ca58309d42233e5a7f031daae4e9feb3e9ff/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Suspicious
First seen:
2025-12-31 01:59:12 UTC
File Type:
ELF64 Little (Exe)
AV detection:
9 of 36 (25.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=sr62v6a4yraxsglsf5jq7ngklayj2qrdhznh6ay5vlsot7vt5h7q._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion discovery linux upx
Link:
https://tria.ge/reports/251231-cd9knasqew/
Behaviour
Reads runtime system information
Changes its process name
Reads system network configuration
Enumerates active TCP sockets
Enumerates running processes
Deletes itself
Modifies Watchdog functionality
Verdict:
Malicious
Tags:
trojan mirai gafgyt Unix.Trojan.Mirai-1
YARA:
Linux_Trojan_Gafgyt_9e9530a7 Linux_Trojan_Gafgyt_807911a2 Linux_Trojan_Gafgyt_d4227dbf Linux_Trojan_Gafgyt_620087b9 Linux_Trojan_Gafgyt_0cd591cd Linux_Trojan_Gafgyt_33b4111a Linux_Trojan_Gafgyt_a33a8363 Linux_Trojan_Mirai_1e0c5ce0 Linux_Trojan_Mirai_e0cf29e2
Link:
https://app.threat.zone/submission/2fe1f110-3723-4eb7-9831-897bd37a67bd
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.03
Link:
https://yomi.yoroi.company/submissions/947daaf81cc4417919722f530fb4ca58309d42233e5a7f031daae4e9feb3e9ff

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:Linux_Trojan_Gafgyt_0cd591cd
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_33b4111a
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_620087b9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_807911a2
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_9e9530a7
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_a33a8363
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d4227dbf
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_1e0c5ce0
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_e0cf29e2
Create hunting rule
Author:Elastic Security
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 947daaf81cc4417919722f530fb4ca58309d42233e5a7f031daae4e9feb3e9ff

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3739066/
  
Delivery method
Distributed via web download

Comments