MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 891ee9372364b0ca070c686c412f9c5af1ff11b85a49113f994ec1848b637c9e. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 891ee9372364b0ca070c686c412f9c5af1ff11b85a49113f994ec1848b637c9e
SHA3-384 hash: 8a1acc3a4ce578ad57b838b7637b80517f444b0f4cfa0e1f4f178cc6d5f5634cc58e9323639e6648b95f215f3c13b0b1
SHA1 hash: 23735406afcf4333ad6723e9b31ff855c962a507
MD5 hash: 47a0a808065877c6e5e1f81e1ceafcfc
humanhash: lactose-oregon-nevada-neptune
File name:windy.arm5
Download: download sample
Signature Mirai
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File size:63'312 bytes
First seen:2025-10-19 22:49:31 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:MQMGtLNwVIP60SbFHxq0WoDo+cJe5sdUJ5AIbFczun44VjpK+bTjoAEi8a7MqBN/:MDiNauEJY6+Je59AI9ndVtK+bTH8a7a
TLSH T172531885FCD2896EC5D0237AE76E368E33A1B3A0C1CF3717CD184B11378568A6E66B40
telfhash t177f0c900bd3d878944e25e34dc9d03638453927a6022cb14ef08dee0883f009f32ce1e
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 1cc449c05fd6488e01aad1af2423c350d60f7141390c836b17c0c19a37373f18
File size (compressed) :28'076 bytes
File size (de-compressed) :63'312 bytes
Format:linux/arm
Packed file: 1cc449c05fd6488e01aad1af2423c350d60f7141390c836b17c0c19a37373f18

Intelligence

File Origin
# of uploads :
1
# of downloads :
119
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.30435.LC.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Siggen.9999-6.UNOFFICIAL
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Unix.Trojan.Mirai-7100807-0
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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
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Unix.Dropper.Mirai-10007027-0
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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/68f56b423a79800405eb4aa0/reports/cb36a8ff-8800-4f39-aad6-7e107c4cf63d/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-10-19T19:53:00Z UTC
Last seen:
2025-10-21T18:33:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Gafgyt.bj HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bl
Link:
https://opentip.kaspersky.com/891ee9372364b0ca070c686c412f9c5af1ff11b85a49113f994ec1848b637c9e/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/cef1ce03-79df-48d0-af72-d870ae1d3f37
Behavior Graph:
Download SVG
%3 guuid=beb3f452-1900-0000-b893-1630210c0000 pid=3105 /usr/bin/sudo guuid=3fadb054-1900-0000-b893-1630260c0000 pid=3110 /tmp/sample.bin guuid=beb3f452-1900-0000-b893-1630210c0000 pid=3105->guuid=3fadb054-1900-0000-b893-1630260c0000 pid=3110 execve
Malware family:
Mirai
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/354e6007-5f01-4414-98b0-79d8198d66f8
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
56 / 100
Link:
https://www.joesandbox.com/analysis/1797996
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1797996 Sample: windy.arm5.elf Startdate: 20/10/2025 Architecture: LINUX Score: 56 14 169.254.169.254, 80 USDOSUS Reserved 2->14 16 109.202.202.202, 80 INIT7CH Switzerland 2->16 18 3 other IPs or domains 2->18 20 Antivirus / Scanner detection for submitted sample 2->20 22 Multi AV Scanner detection for submitted file 2->22 6 dash rm 2->6         started        8 dash rm 2->8         started        10 python3.8 dpkg 2->10         started        12 windy.arm5.elf 2->12         started        signatures3 process4
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/891ee9372364b0ca070c686c412f9c5af1ff11b85a49113f994ec1848b637c9e
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/891ee9372364b0ca070c686c412f9c5af1ff11b85a49113f994ec1848b637c9e/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/891ee9372364b0ca070c686c412f9c5af1ff11b85a49113f994ec1848b637c9e
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-10-19 22:50:42 UTC
File Type:
ELF32 Little (Exe)
AV detection:
24 of 37 (64.86%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=reposnzdmsymubymnbwecl44lly76enyljercp4zj3ayjc3dpspa._file
Result
Malware family:
mirai
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Score:
  10/10
Tags:
family:mirai
Link:
https://tria.ge/reports/251019-2skyaaznct/
Malware Config
C2 Extraction:
mirailoversddos.duckdns.org
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-7100807-0
YARA:
n/a
Link:
https://app.threat.zone/submission/20744e37-0f76-41b6-a561-3c81b0e17e75
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/891ee9372364b0ca070c686c412f9c5af1ff11b85a49113f994ec1848b637c9e

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
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Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:linux_generic_ipv6_catcher
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Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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 1cc449c05fd6488e01aad1af2423c350d60f7141390c836b17c0c19a37373f18

Mirai

elf 891ee9372364b0ca070c686c412f9c5af1ff11b85a49113f994ec1848b637c9e

(this sample)

  
Dropped by
SHA256 1cc449c05fd6488e01aad1af2423c350d60f7141390c836b17c0c19a37373f18
  
URLhaus
https://urlhaus.abuse.ch/url/3681127/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 950ffc7725621395c20161ff9bf53b53

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