MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6d8249f94461455b8fdf679cb0c22c40e6d87d7ed7e79bcd7a48ada72e75ec92. 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: 9


Intelligence 9 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6d8249f94461455b8fdf679cb0c22c40e6d87d7ed7e79bcd7a48ada72e75ec92
SHA3-384 hash: b4c772cbf6682f8075009ab0d0ed13939d46a8e5365f26fab5dc6e4d8e11d7ca4da0749b3d78afdd1339bd779f7fda45
SHA1 hash: 4653f4095c08a8ee0985d3548c245d54bc9e4c14
MD5 hash: 7a7c208feff1f8143f042a38e01fb577
humanhash: indigo-quebec-hawaii-butter
File name:nz.arm7
Download: download sample
Signature Mirai
Create hunting rule
File size:75'504 bytes
First seen:2026-07-25 16:58:39 UTC
Last seen:2026-07-26 03:30:50 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:VjqvyRgfCD7QpWJh/D9IJA3mtMGviTMNRHSLrMDZYFIfflg:VjMCDzh/D9Ie3meJTMNRyLoHa
TLSH T15C730112854094FAD0681873DEEF9FE91B1F1BFA637529673B76C79834020867BBCA41
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
File size (compressed) :75'504 bytes
File size (de-compressed) :213'236 bytes
Format:linux/arm
Unpacked file: ef97a019a136f7e43ad006f8a7fd44236df44058053b5e01dd60755d24c86011

Intelligence

File Origin
# of uploads :
4
# of downloads :
88
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/74039307-d1b7-431a-a233-5a7f73a26dcb/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sends data to a server
Receives data from a server
Runs as daemon
Opens a port
Connection attempt
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
masquerade packed upx
Link:
https://www.filescan.io/uploads/6a64eb7b5b0575d7c2a90915/reports/87168987-ed5c-4c57-91d0-e2cd73600131/overview
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/1a7cf6a9-62bd-4b32-95c9-e33e4b90a6a8
Behavior Graph:
Download SVG
%3 guuid=479aa6f9-1b00-0000-db28-c7355c0a0000 pid=2652 /usr/bin/sudo guuid=6aa70afc-1b00-0000-db28-c735620a0000 pid=2658 /tmp/sample.bin guuid=479aa6f9-1b00-0000-db28-c7355c0a0000 pid=2652->guuid=6aa70afc-1b00-0000-db28-c735620a0000 pid=2658 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d9ef496c-5f6d-4a91-bdb5-8dc3061a5515
Result
Threat name:
Gafgyt, Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
92 / 100
Link:
https://www.joesandbox.com/analysis/1947960
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1947960 Sample: nz.arm7.elf Startdate: 25/07/2026 Architecture: LINUX Score: 92 22 169.254.169.254, 80 USDOS-USDepartmentofStateUS ZZ 2->22 24 65.222.202.53, 80 CAPEREGIONALHEALTHSYSTEM-CapeRegionalMedicalCenterIncUS United States 2->24 26 daisy.ubuntu.com 2->26 28 Malicious sample detected (through community Yara rule) 2->28 30 Antivirus / Scanner detection for submitted sample 2->30 32 Multi AV Scanner detection for submitted file 2->32 34 3 other signatures 2->34 8 nz.arm7.elf 2->8         started        10 python3.8 dpkg 2->10         started        signatures3 process4 process5 12 nz.arm7.elf 8->12         started        14 nz.arm7.elf 8->14         started        16 nz.arm7.elf 8->16         started        process6 18 nz.arm7.elf 12->18         started        20 nz.arm7.elf 12->20         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/6d8249f94461455b8fdf679cb0c22c40e6d87d7ed7e79bcd7a48ada72e75ec92
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6d8249f94461455b8fdf679cb0c22c40e6d87d7ed7e79bcd7a48ada72e75ec92/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-07-25 17:01:29 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 36 (47.22%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=nwbet6kemfcvxd67m6olbqrmidtnq7l627tzxtl2jcw2oltv5sja._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery upx
Link:
https://tria.ge/reports/260725-vhrvhsscng/
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Family: Mirai
Malware Config
C2 Extraction:
wqok85qtq.net
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/6d8249f94461455b8fdf679cb0c22c40e6d87d7ed7e79bcd7a48ada72e75ec92

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:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:SUSP_ELF_LNX_UPX_Compressed_File
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
Rule name:upx_packed_elf_v1
Create hunting rule
Author:RandomMalware

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf 6d8249f94461455b8fdf679cb0c22c40e6d87d7ed7e79bcd7a48ada72e75ec92

(this sample)

Mirai

elf ef97a019a136f7e43ad006f8a7fd44236df44058053b5e01dd60755d24c86011

  
URLhaus
https://urlhaus.abuse.ch/url/3891560/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 ef97a019a136f7e43ad006f8a7fd44236df44058053b5e01dd60755d24c86011
  
Dropping
MD5 6b0d92f5955366d23ce0bfc548a40136

Comments