MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6823c1b4f2a9c3e0615d3765e6a91c2ad8e1107c07c0b7d2c7eb3b46ad4aee8b. 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 10 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6823c1b4f2a9c3e0615d3765e6a91c2ad8e1107c07c0b7d2c7eb3b46ad4aee8b
SHA3-384 hash: c8ac512a8dd381d501e70e1df459f02427f8acef0d92e2faec8a783b86a4f88fc25770a26f931bf11234fc4631009fec
SHA1 hash: b4ebe5d3d221d6a9aed9c304de1d9e6a34c43193
MD5 hash: ce097c788727547644508416f3e4eb27
humanhash: fish-blossom-winter-stairway
File name:windy.arm7
Download: download sample
Signature Mirai
Create hunting rule
File size:176'507 bytes
First seen:2025-12-26 19:58:38 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:/lE4Ho+DImaehF/h9PZpgBmsXCKiHUdnQy3d0fM/97ezERM:/lOKLaehF/h9RpwJCDH0nQy3dEM/9DM
TLSH T1A1044C46EB814A13C0D62779F69F524633239BA4D3DB33069918AFB43F867DE0E67601
telfhash t13c31fe31573151196ab1d954edec97b2152a87132349ee33df36c8dc181a09be93ec0f
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 b55b85e421b0984692514508133f910eb56d9272e033171d762e887282a67b94
File size (compressed) :67'420 bytes
File size (de-compressed) :176'507 bytes
Format:linux/arm
Packed file: b55b85e421b0984692514508133f910eb56d9272e033171d762e887282a67b94

Intelligence

File Origin
# of uploads :
1
# of downloads :
34
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Link:
https://research.acce.ciphertechsolutions.com/results/56f24674-b021-4702-8b5e-e60a960cf315/
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-7135925-0
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.Trojan.Mirai-9760303-0
Create hunting rule

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

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

Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-26T18:12:00Z UTC
Last seen:
2025-12-26T18:35:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/6823c1b4f2a9c3e0615d3765e6a91c2ad8e1107c07c0b7d2c7eb3b46ad4aee8b/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/9ce7f78f-8bca-4208-95b7-85bdcd912a35
Behavior Graph:
Download SVG
%3 guuid=4fe4bba3-1d00-0000-2da7-f52bd8090000 pid=2520 /usr/bin/sudo guuid=27547ea6-1d00-0000-2da7-f52bdb090000 pid=2523 /tmp/sample.bin guuid=4fe4bba3-1d00-0000-2da7-f52bd8090000 pid=2520->guuid=27547ea6-1d00-0000-2da7-f52bdb090000 pid=2523 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/3de347e2-5eda-4d43-8008-c5bd909dee98
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
56 / 100
Link:
https://www.joesandbox.com/analysis/1839989
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: 1839989 Sample: windy.arm7.elf Startdate: 26/12/2025 Architecture: LINUX Score: 56 26 169.254.169.254, 80 USDOSUS Reserved 2->26 28 dot.polarisnetwork.fun 92.119.164.209, 69 MYVIRTUALSERVERmyVirtualserverDE Germany 2->28 30 3 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 8 windy.arm7.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        14 python3.8 dpkg 2->14         started        signatures3 process4 process5 16 windy.arm7.elf 8->16         started        18 windy.arm7.elf 8->18         started        20 windy.arm7.elf 8->20         started        process6 22 windy.arm7.elf 16->22         started        24 windy.arm7.elf 16->24         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/6823c1b4f2a9c3e0615d3765e6a91c2ad8e1107c07c0b7d2c7eb3b46ad4aee8b
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6823c1b4f2a9c3e0615d3765e6a91c2ad8e1107c07c0b7d2c7eb3b46ad4aee8b/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-26 19:59:38 UTC
File Type:
ELF32 Little (Exe)
AV detection:
20 of 36 (55.56%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=nar4dnhsvhb6ayk5g5s6nki4flmoced4a7alpuwh5m5unlkk52fq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai defense_evasion discovery
Link:
https://tria.ge/reports/251226-yqlj9atrev/
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-7100807-0
YARA:
n/a
Link:
https://app.threat.zone/submission/25280bb9-82e7-4983-8b05-9da0646019e4
Please note that we are no longer able to provide a coverage score for Virus Total.

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_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:ELF_Toriilike_persist
Create hunting rule
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_8299c877
Create hunting rule
Author:Elastic Security
Rule name:MAL_ARM_LNX_Mirai_Mar13_2022
Create hunting rule
Author:Mehmet Ali Kerimoglu a.k.a. CYB3RMX
Description:Detects new ARM Mirai variant
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 b55b85e421b0984692514508133f910eb56d9272e033171d762e887282a67b94

Mirai

elf 6823c1b4f2a9c3e0615d3765e6a91c2ad8e1107c07c0b7d2c7eb3b46ad4aee8b

(this sample)

  
Dropped by
SHA256 b55b85e421b0984692514508133f910eb56d9272e033171d762e887282a67b94
  
URLhaus
https://urlhaus.abuse.ch/url/3744243/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3744253/
  
Dropped by
MD5 c84941d8ad1e59daf81ec62423e9fe5d

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