MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 56a71da23eb25e18c43c8dafeab053beee372077f849e140db908e8c611f4875. 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: 10


Intelligence 10 IOCs YARA 12 File information Comments
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SHA256 hash: 56a71da23eb25e18c43c8dafeab053beee372077f849e140db908e8c611f4875
SHA3-384 hash: 2794a56f0f5e5c07ce773209007fa8597005ce08c03a242282a4332f9dcc288a6af50a0ab24e6952e1f066b6fc04cf09
SHA1 hash: 6d9acad54b3b888fae309a09c7cccabfff12e6f6
MD5 hash: a83880f2a7dbf25839018e8f68823b35
humanhash: mars-july-north-artist
File name:db0fa4b8db0333367e9bda3ab68b8042.arm
Download: download sample
Signature Mirai
Create hunting rule
File size:83'000 bytes
First seen:2025-08-20 20:06:02 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:fpeqbUicjpR+d5xPZ1PE+50V8HkvhIYDykqXptXQBXcyM:fp5bUicns5HafmdXptghc
TLSH T141831846BC92CA12C6D423BBFA2E518D332563E8E1DE7207DD105F2437CA92E0E77695
telfhash t1c741da2bdfb80eac67e94640d1c9283a57ed354d6b0529479a1c770bce43582f02e82b
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 upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 f481fb0b9be5654bd9d965d05fc066223f01a5839559543643e9225718cb22a1
File size (compressed) :33'788 bytes
File size (de-compressed) :83'000 bytes
Format:linux/arm
Packed file: f481fb0b9be5654bd9d965d05fc066223f01a5839559543643e9225718cb22a1

Intelligence

File Origin
# of uploads :
1
# of downloads :
69
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Mirai-63.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.29524.LC.UNOFFICIAL
Create hunting rule

Unix.Dropper.Mirai-7135870-0
Create hunting rule

Unix.Dropper.Mirai-7135906-0
Create hunting rule

Unix.Dropper.Mirai-7135966-0
Create hunting rule

Unix.Dropper.Mirai-7135979-0
Create hunting rule

Unix.Dropper.Mirai-7355719-0
Create hunting rule

Unix.Trojan.Mirai-9935718-0
Create hunting rule

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

Result
Verdict:
Malware
Maliciousness:
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
mirai obfuscated threat
Link:
https://www.filescan.io/uploads/68a62ad4abfbaec31826e541/reports/d18cef86-b223-4b2e-8fd0-92b0abb7536c/overview
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/17737020-d58b-4a8d-a7ea-16fcfa70fae3
Behavior Graph:
Download SVG
%3 guuid=921e5cbc-1600-0000-137b-ad4f300c0000 pid=3120 /usr/bin/sudo guuid=4bd4b1be-1600-0000-137b-ad4f380c0000 pid=3128 /tmp/sample.bin guuid=921e5cbc-1600-0000-137b-ad4f300c0000 pid=3120->guuid=4bd4b1be-1600-0000-137b-ad4f380c0000 pid=3128 execve
Gathering data
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1761412
Signature
Antivirus / Scanner detection for submitted sample
Connects to many ports of the same IP (likely port scanning)
Detected Mirai
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample tries to kill multiple processes (SIGKILL)
Suricata IDS alerts for network traffic
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1761412 Sample: db0fa4b8db0333367e9bda3ab68... Startdate: 20/08/2025 Architecture: LINUX Score: 100 29 37.162.23.22 FREEMFR France 2->29 31 71.16.36.132 WINDSTREAMUS United States 2->31 33 99 other IPs or domains 2->33 35 Suricata IDS alerts for network traffic 2->35 37 Malicious sample detected (through community Yara rule) 2->37 39 Antivirus / Scanner detection for submitted sample 2->39 41 4 other signatures 2->41 8 db0fa4b8db0333367e9bda3ab68b8042.arm.elf 2->8         started        10 xfce4-panel wrapper-2.0 2->10         started        12 xfce4-panel wrapper-2.0 2->12         started        14 5 other processes 2->14 signatures3 process4 process5 16 db0fa4b8db0333367e9bda3ab68b8042.arm.elf 8->16         started        18 wrapper-2.0 xfpm-power-backlight-helper 10->18         started        process6 20 db0fa4b8db0333367e9bda3ab68b8042.arm.elf 16->20         started        23 db0fa4b8db0333367e9bda3ab68b8042.arm.elf 16->23         started        25 db0fa4b8db0333367e9bda3ab68b8042.arm.elf 16->25         started        27 3 other processes 16->27 signatures7 43 Sample tries to kill multiple processes (SIGKILL) 20->43
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/56a71da23eb25e18c43c8dafeab053beee372077f849e140db908e8c611f4875
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/56a71da23eb25e18c43c8dafeab053beee372077f849e140db908e8c611f4875/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/56a71da23eb25e18c43c8dafeab053beee372077f849e140db908e8c611f4875
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-08-20 20:06:47 UTC
File Type:
ELF32 Little (Exe)
AV detection:
28 of 38 (73.68%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=k2tr3ir6wjpbrrb4rwx6vmctx3xdoidx7be6cqg3schiyyi7jb2q._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:unstable
Link:
https://tria.ge/reports/250820-yvr8labq3w/
Verdict:
Malicious
Tags:
botnet mirai Unix.Dropper.Mirai-7135870-0
YARA:
MAL_ELF_LNX_Mirai_Oct10_1 MAL_ELF_LNX_Mirai_Oct10_2
Link:
https://app.threat.zone/submission/03b406d8-5da1-4d5a-a910-051c4808a6ea
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/56a71da23eb25e18c43c8dafeab053beee372077f849e140db908e8c611f4875

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_AllMal_Detector
Create hunting rule
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
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_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_d94e1020
Create hunting rule
Author:Elastic Security
Rule name:MAL_ELF_LNX_Mirai_Oct10_1
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects ELF Mirai variant
Reference:Internal Research
Rule name:MAL_ELF_LNX_Mirai_Oct10_1_RID2F39
Create hunting rule
Author:Florian Roth
Description:Detects ELF Mirai variant
Reference:Internal Research
Rule name:MAL_ELF_LNX_Mirai_Oct10_2
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects ELF malware Mirai related
Reference:Internal Research
Rule name:MAL_ELF_LNX_Mirai_Oct10_2_RID2F3A
Create hunting rule
Author:Florian Roth
Description:Detects ELF malware Mirai related
Reference:Internal Research
Rule name:SUSP_XORed_Mozilla_Oct19
Create hunting rule
Author:Florian Roth
Description:Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()
Rule name:SUSP_XORed_Mozilla_RID2DB4
Create hunting rule
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
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 f481fb0b9be5654bd9d965d05fc066223f01a5839559543643e9225718cb22a1

Mirai

elf 56a71da23eb25e18c43c8dafeab053beee372077f849e140db908e8c611f4875

(this sample)

  
Dropped by
SHA256 f481fb0b9be5654bd9d965d05fc066223f01a5839559543643e9225718cb22a1
  
Dropped by
MD5 a1a2937053bffc8bcefae4c5ae68a4f1
  
URLhaus
https://urlhaus.abuse.ch/url/3598088/
  
Delivery method
Distributed via web download

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