MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2556a8466291aa1acd6b57a673af844d2759c450cc6f9f841570284f98706344. 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 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2556a8466291aa1acd6b57a673af844d2759c450cc6f9f841570284f98706344
SHA3-384 hash: e8ba5bbe7bb79756c8b1fde7af2fb432982bd171abcc296473888b3978881b4c9dc6d97e6b675d3ee8de5705610bdbfa
SHA1 hash: 53ac479b0f7063361cb34be6883c36db384afe8c
MD5 hash: bc38870ba136f2efc3f7d62b59c48c35
humanhash: thirteen-fanta-gee-sodium
File name:windy.arm7
Download: download sample
Signature Mirai
Create hunting rule
File size:176'507 bytes
First seen:2025-11-18 17:42:00 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:/lE4Po+DImaehF/h9PZpgBmsXCKiHUdQQy3d0fM/97ezERM:/l2KLaehF/h9RpwJCDH0QQy3dEM/9DM
TLSH T1A9044C46EB814A13C0D62779F69F524633239BA4D3DB33069918AFB43F867DE0E67601
telfhash t13c31fe31573151196ab1d954edec97b2152a87132349ee33df36c8dc181a09be93ec0f
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 125f69fac702b60a35ab6198e07a17ad7991a4b438a136d8a599b71e0231954b
File size (compressed) :67'412 bytes
File size (de-compressed) :176'507 bytes
Format:linux/arm
Packed file: 125f69fac702b60a35ab6198e07a17ad7991a4b438a136d8a599b71e0231954b

Intelligence

File Origin
# of uploads :
1
# of downloads :
46
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-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

Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
DNS request
Runs as daemon
Opens a port
Sends data to a server
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gafgyt gcc masquerade mirai obfuscated rust
Link:
https://www.filescan.io/uploads/691cb00495709d0fdece7196/reports/a74194d0-1e66-4915-b510-6ed16c31cc33/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
48
Number of processes launched:
5
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/2556a8466291aa1acd6b57a673af844d2759c450cc6f9f841570284f98706344
Behaviour
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-11-18T15:53:00Z UTC
Last seen:
2025-11-18T16:39:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/2556a8466291aa1acd6b57a673af844d2759c450cc6f9f841570284f98706344/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/285c08d6-8326-4fab-af8f-ed2033a14e39
Behavior Graph:
Download SVG
%3 guuid=afd4871d-1b00-0000-9b2e-b68a960b0000 pid=2966 /usr/bin/sudo guuid=b2836c1f-1b00-0000-9b2e-b68a9b0b0000 pid=2971 /tmp/sample.bin guuid=afd4871d-1b00-0000-9b2e-b68a960b0000 pid=2966->guuid=b2836c1f-1b00-0000-9b2e-b68a9b0b0000 pid=2971 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b8ea9e38-bd92-4715-b426-cccd2776dabf
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
56 / 100
Link:
https://www.joesandbox.com/analysis/1816342
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: 1816342 Sample: windy.arm7.elf Startdate: 18/11/2025 Architecture: LINUX Score: 56 26 169.254.169.254, 80 USDOSUS Reserved 2->26 28 109.202.202.202, 80 INIT7CH Switzerland 2->28 30 5 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/2556a8466291aa1acd6b57a673af844d2759c450cc6f9f841570284f98706344
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2556a8466291aa1acd6b57a673af844d2759c450cc6f9f841570284f98706344/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-11-18 17:42:41 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=evlkqrtcsgvbvtllk6thhl4ejutvtrcqzrxz7bavoaue7gdqmnca._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai defense_evasion discovery
Link:
https://tria.ge/reports/251118-v9956sg13b/
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Malware Config
C2 Extraction:
bot.sinestreacute.fun
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-7100807-0
YARA:
n/a
Link:
https://app.threat.zone/submission/e13c581b-6653-4e68-8d36-473e06f856bc
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/2556a8466291aa1acd6b57a673af844d2759c450cc6f9f841570284f98706344

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: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 125f69fac702b60a35ab6198e07a17ad7991a4b438a136d8a599b71e0231954b

Mirai

elf 2556a8466291aa1acd6b57a673af844d2759c450cc6f9f841570284f98706344

(this sample)

  
Dropped by
SHA256 125f69fac702b60a35ab6198e07a17ad7991a4b438a136d8a599b71e0231954b
  
URLhaus
https://urlhaus.abuse.ch/url/3711546/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3711589/
  
Dropped by
MD5 5e726d7817131b746ecfc0451840d8ab

Comments