MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7a1b312f5504c3958eaca177f6030a0825b485940057931098b73446412fe9a3. 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: 7a1b312f5504c3958eaca177f6030a0825b485940057931098b73446412fe9a3
SHA3-384 hash: a123e35ed9850b2148d5a4adcba2e0d7c57a60edd0ed46c4fbc0d085cf179ff380227c44d601beb95c803db1de92ac0c
SHA1 hash: 9b1f849028137f97200ca8f9e58a50cc5d0d6517
MD5 hash: 6a1db1a640b96175950926e670feac31
humanhash: leopard-alaska-glucose-lima
File name:windy.arm
Download: download sample
Signature Mirai
Create hunting rule
File size:165'184 bytes
First seen:2025-10-19 22:29:34 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:5yU+tseJhzPKl6jMCUc3Ka4ILX9vAVfiPvH/:5yftseJRPKl3JCKa4qviKPvH/
TLSH T18CF32B45F8918E52C6D622BBFB5E12CD372657A8D3EE32039D156F20378659B0E3B241
telfhash t177211e1fef480bec77e89230a29c90199bf934dc1b0465ab676cab9f5446bc27434536
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 fdc3fb5d18cd397a31024b23da5b78508dc6c8cc2a725c256544c45257a28c35
File size (compressed) :62'576 bytes
File size (de-compressed) :165'184 bytes
Format:linux/arm
Packed file: fdc3fb5d18cd397a31024b23da5b78508dc6c8cc2a725c256544c45257a28c35

Intelligence

File Origin
# of uploads :
1
# of downloads :
116
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.30435.LC.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Siggen.9999-6.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-7100807-0
Create hunting rule

Unix.Dropper.Mirai-7135897-0
Create hunting rule

Unix.Dropper.Mirai-7135901-0
Create hunting rule

Unix.Dropper.Mirai-7135909-0
Create hunting rule

Unix.Trojan.Mirai-7135916-0
Create hunting rule

Unix.Dropper.Mirai-7135918-0
Create hunting rule

Unix.Dropper.Mirai-7135954-0
Create hunting rule

Unix.Dropper.Mirai-7136016-0
Create hunting rule

Unix.Dropper.Mirai-7136028-0
Create hunting rule

Unix.Trojan.Mirai-8025795-0
Create hunting rule

Unix.Trojan.Mirai-9441505-0
Create hunting rule

Unix.Dropper.Mirai-10007027-0
Create hunting rule

Unix.Trojan.Mirai-10009361-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade obfuscated rust
Link:
https://www.filescan.io/uploads/68f5669cc85c5c56972e5151/reports/56b3eff7-a6b9-4215-8303-c4c1ab21e4ec/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-10-19T19:41:00Z UTC
Last seen:
2025-10-21T18:33:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj HEUR:Backdoor.Linux.Mirai.r
Link:
https://opentip.kaspersky.com/7a1b312f5504c3958eaca177f6030a0825b485940057931098b73446412fe9a3/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/75c77222-6fdd-4a25-9c5b-27bf8b8a25e0
Behavior Graph:
Download SVG
%3 guuid=70c879fd-1700-0000-d177-d74b150c0000 pid=3093 /usr/bin/sudo guuid=bea5ebfe-1700-0000-d177-d74b190c0000 pid=3097 /tmp/sample.bin guuid=70c879fd-1700-0000-d177-d74b150c0000 pid=3093->guuid=bea5ebfe-1700-0000-d177-d74b190c0000 pid=3097 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/cc15e1da-3ed6-43ab-ba6c-209e262f3a07
Result
Threat name:
Gafgyt
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1797986
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Uses dynamic DNS services
Yara detected Gafgyt
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1797986 Sample: windy.arm.elf Startdate: 20/10/2025 Architecture: LINUX Score: 68 26 mirailoversddos.duckdns.org 2->26 28 169.254.169.254, 80 USDOSUS Reserved 2->28 30 4 other IPs or domains 2->30 32 Antivirus / Scanner detection for submitted sample 2->32 34 Multi AV Scanner detection for submitted file 2->34 36 Yara detected Gafgyt 2->36 8 dash rm windy.arm.elf 2->8         started        10 dash rm 2->10         started        12 dash head 2->12         started        14 8 other processes 2->14 signatures3 38 Uses dynamic DNS services 26->38 process4 process5 16 windy.arm.elf 8->16         started        18 windy.arm.elf 8->18         started        20 windy.arm.elf 8->20         started        process6 22 windy.arm.elf 16->22         started        24 windy.arm.elf 16->24         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/7a1b312f5504c3958eaca177f6030a0825b485940057931098b73446412fe9a3
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/7a1b312f5504c3958eaca177f6030a0825b485940057931098b73446412fe9a3/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/7a1b312f5504c3958eaca177f6030a0825b485940057931098b73446412fe9a3
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-10-19 22:30:52 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=pintcl2vatbzldvmuf37maykbas3jbmuablzgeeyw42emqjp5grq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai
Link:
https://tria.ge/reports/251019-2e83ysdq6t/
Malware Config
C2 Extraction:
mirailoversddos.duckdns.org
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/da4ac424-880f-4c0c-8754-c2a3274d58ac
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/7a1b312f5504c3958eaca177f6030a0825b485940057931098b73446412fe9a3

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: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: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 fdc3fb5d18cd397a31024b23da5b78508dc6c8cc2a725c256544c45257a28c35

Mirai

elf 7a1b312f5504c3958eaca177f6030a0825b485940057931098b73446412fe9a3

(this sample)

  
Dropped by
SHA256 fdc3fb5d18cd397a31024b23da5b78508dc6c8cc2a725c256544c45257a28c35
  
URLhaus
https://urlhaus.abuse.ch/url/3681133/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 af21fd0f92d88626eb2d450c101daf3e

Comments