MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fa5ca05265c4163c0bbb9d5f90ced72e8b5bb10e3251121584c4839c02733866. 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: 12


Intelligence 12 IOCs YARA 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fa5ca05265c4163c0bbb9d5f90ced72e8b5bb10e3251121584c4839c02733866
SHA3-384 hash: db8b547b62165d96fe84f28ece6caa9addc4f8aadba17a845403d83385f6dea760b0dea7cc7a08a90b2fb31c3db9b4eb
SHA1 hash: 7965cf6611c8b67277ba7e9e40e1b0fedacb1d93
MD5 hash: efb0dedd75ef8b6a690568249169d1ff
humanhash: three-stream-asparagus-kentucky
File name:shadow.x86_64
Download: download sample
Signature Mirai
Create hunting rule
File size:70'656 bytes
First seen:2025-12-21 12:38:59 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:6RSpnmfdQG0vyNm5AtV3eceRQ4ULXFlD5xkJZ5EBamg4xWzvKhF2lQ+q2QB9qlHw:VmFQG0vyNm5AtV3eceRnULXFl5xkJZ5E
TLSH T14B633A5BB44945FDC448C23C0B6AB07BD536B4BE52BDB2BA27E4FB067883E105E6C415
telfhash t1f711807139d60c60a4dbe735b302f5a054202e6505f636f2ed2b48f3df233c60ca2416
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 :
36
Origin country :
DE DE
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Link:
https://research.acce.ciphertechsolutions.com/results/fd70ebfe-2420-4553-8da4-16b029594f0a/
Detection(s):
Sanesecurity.Malware.29052.TSource.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-1
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Kills processes
Receives data from a server
Opens a port
Sends data to a server
DNS request
Creating a file
Connection attempt
Substitutes an application name
Deleting of the original file
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/6947ea80e126b9ff438ab644/reports/17d08f18-f476-45c0-bdd0-96ca121a8b44/overview
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2025-12-21T09:42:00Z UTC
Last seen:
2025-12-21T12:48:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.gen HEUR:Backdoor.Linux.Mirai.fg HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.ge
Link:
https://opentip.kaspersky.com/fa5ca05265c4163c0bbb9d5f90ced72e8b5bb10e3251121584c4839c02733866/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/4dcd2264-ddae-4040-89cd-b07b5270d1d1
Behavior Graph:
Download SVG
%3 guuid=ea2554f7-1800-0000-16bb-e61593050000 pid=1427 /usr/bin/sudo guuid=634405f9-1800-0000-16bb-e6159b050000 pid=1435 /tmp/sample.bin delete-file net guuid=ea2554f7-1800-0000-16bb-e61593050000 pid=1427->guuid=634405f9-1800-0000-16bb-e6159b050000 pid=1435 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=634405f9-1800-0000-16bb-e6159b050000 pid=1435->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=78322bf9-1800-0000-16bb-e6159d050000 pid=1437 /tmp/sample.bin write-file zombie guuid=634405f9-1800-0000-16bb-e6159b050000 pid=1435->guuid=78322bf9-1800-0000-16bb-e6159d050000 pid=1437 clone guuid=45e33af9-1800-0000-16bb-e6159e050000 pid=1438 /tmp/sample.bin dns net send-data guuid=78322bf9-1800-0000-16bb-e6159d050000 pid=1437->guuid=45e33af9-1800-0000-16bb-e6159e050000 pid=1438 clone guuid=45e33af9-1800-0000-16bb-e6159e050000 pid=1438->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con 6a6ce952-23cd-5c51-b461-6ca6a8c64225 1.0.0.1:53 guuid=45e33af9-1800-0000-16bb-e6159e050000 pid=1438->6a6ce952-23cd-5c51-b461-6ca6a8c64225 send: 26B c610bf36-1f00-5bc3-ae18-24f0473b35c2 81.88.18.108:6767 guuid=45e33af9-1800-0000-16bb-e6159e050000 pid=1438->c610bf36-1f00-5bc3-ae18-24f0473b35c2 send: 13B guuid=0cf544f9-1800-0000-16bb-e6159f050000 pid=1439 /tmp/sample.bin guuid=45e33af9-1800-0000-16bb-e6159e050000 pid=1438->guuid=0cf544f9-1800-0000-16bb-e6159f050000 pid=1439 clone
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/263b8e9d-63a4-400c-983b-665633ff5bfd
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1837002
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: 1837002 Sample: shadow.x86_64.elf Startdate: 21/12/2025 Architecture: LINUX Score: 64 18 kurol.io 2->18 20 81.88.18.108, 43248, 6767 LEVEL3US Germany 2->20 22 Malicious sample detected (through community Yara rule) 2->22 24 Multi AV Scanner detection for submitted file 2->24 9 shadow.x86_64.elf 2->9         started        signatures3 26 Performs DNS TXT record lookups 18->26 process4 signatures5 28 Sample deletes itself 9->28 12 shadow.x86_64.elf 9->12         started        process6 process7 14 shadow.x86_64.elf 12->14         started        process8 16 shadow.x86_64.elf 14->16         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/fa5ca05265c4163c0bbb9d5f90ced72e8b5bb10e3251121584c4839c02733866
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/fa5ca05265c4163c0bbb9d5f90ced72e8b5bb10e3251121584c4839c02733866/
Verdict:
Malicious
Threat:
Backdoor.Linux.Mirai
Link:
https://tip.neiki.dev/file/fa5ca05265c4163c0bbb9d5f90ced72e8b5bb10e3251121584c4839c02733866
Threat name:
Linux.Trojan.Multiverze
Create hunting rule
Status:
Malicious
First seen:
2025-12-21 12:37:08 UTC
File Type:
ELF64 Little (Exe)
AV detection:
17 of 38 (44.74%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7jokautfyqldyc53tvpzbtwxf2fvxmiogjirefmeysbzyatthbta._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion discovery linux upx
Link:
https://tria.ge/reports/251221-pvxcwabx2a/
Behaviour
Reads runtime system information
Changes its process name
Enumerates running processes
Deletes itself
Modifies Watchdog functionality
Verdict:
Malicious
Tags:
trojan gafgyt mirai 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 elf_mirai_auto
Link:
https://app.threat.zone/submission/f2fb56cb-9801-4c39-a38e-f2e33683abcf
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.12
Link:
https://yomi.yoroi.company/submissions/fa5ca05265c4163c0bbb9d5f90ced72e8b5bb10e3251121584c4839c02733866

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_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects elf.mirai.
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 fa5ca05265c4163c0bbb9d5f90ced72e8b5bb10e3251121584c4839c02733866

(this sample)

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

Comments