MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ef97a019a136f7e43ad006f8a7fd44236df44058053b5e01dd60755d24c86011. 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: 8


Intelligence 8 IOCs YARA 15 File information Comments
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SHA256 hash: ef97a019a136f7e43ad006f8a7fd44236df44058053b5e01dd60755d24c86011
SHA3-384 hash: 12611bea0a9f2b17be1a6a38129af23bee53cec55032c1c4975b5dcb61d44f86f3aa14678ff41419a3b78e3564a2d4ea
SHA1 hash: 00dc110cdaf86dc8e511c820c6d7a0c145d5cf5a
MD5 hash: 6b0d92f5955366d23ce0bfc548a40136
humanhash: finch-cold-timing-arizona
File name:nz.arm7
Download: download sample
Signature Mirai
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File size:213'236 bytes
First seen:2026-07-25 17:00:21 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 6144:pxrU3P5KyEowlaNKmHtNgrufdCzCaHIVL5FM/9uk/:pxrUBKyEowlaNKmHtNgrqdK2ni/l
TLSH T156246D46EA414E23C0D7177AB6AF114A33329BA4D3DB730699286FB43B8779E0D63705
telfhash t12d312db2933052266a61d924d9ec97b2162ec7071288fe33df36889c141a48ee53bc1f
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 6d8249f94461455b8fdf679cb0c22c40e6d87d7ed7e79bcd7a48ada72e75ec92
File size (compressed) :75'504 bytes
File size (de-compressed) :213'236 bytes
Format:linux/arm
Packed file: 6d8249f94461455b8fdf679cb0c22c40e6d87d7ed7e79bcd7a48ada72e75ec92

Intelligence

File Origin
# of uploads :
1
# of downloads :
94
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Link:
https://research.acce.ciphertechsolutions.com/results/cda53c0e-f24f-4377-9b51-e0ff364cdb60/
Detection(s):
Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
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SecuriteInfo.com.Linux.Mirai-81.UNOFFICIAL
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Sanesecurity.Malware.28940.LC.UNOFFICIAL
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Sanesecurity.Malware.30435.LC.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-7100807-0
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Unix.Dropper.Mirai-7135897-0
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Unix.Dropper.Mirai-7135901-0
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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.Dropper.Mirai-7139229-0
Create hunting rule

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

Unix.Trojan.Mirai-9441505-0
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Unix.Trojan.Mirai-9760303-0
Create hunting rule

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

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

Unix.Trojan.Mirai-10011027-0
Create hunting rule

Unix.Trojan.Mirai-10011918-0
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Unix.Trojan.Mirai-10059006-0
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Unix.Trojan.Mirai-10059216-0
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YARA.SIGNATURE_BASE_MAL_ARM_LNX_Mirai_Mar13_2022.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Sends data to a server
Connection attempt
Runs as daemon
DNS request
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/3ec8640d-a3f7-407b-bf14-654b6279ee08
Behavior Graph:
Download SVG
%3 guuid=275eba4e-1b00-0000-f1cb-d331050b0000 pid=2821 /usr/bin/sudo guuid=38bcb452-1b00-0000-f1cb-d331060b0000 pid=2822 /tmp/sample.bin guuid=275eba4e-1b00-0000-f1cb-d331050b0000 pid=2821->guuid=38bcb452-1b00-0000-f1cb-d331060b0000 pid=2822 execve
Malware family:
Mirai
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/773c796d-c237-4f6a-9595-77805e5293d9
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/ef97a019a136f7e43ad006f8a7fd44236df44058053b5e01dd60755d24c86011
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ef97a019a136f7e43ad006f8a7fd44236df44058053b5e01dd60755d24c86011/
Threat name:
Linux.Backdoor.Mirai
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Status:
Malicious
First seen:
2026-07-25 17:04:04 UTC
File Type:
ELF32 Little (Exe)
AV detection:
24 of 36 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=56l2agnbg336iowqa34kp7keenw7iqcyau5v4ao5mb2v2jgimaiq._file
Result
Malware family:
mirai
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Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery
Link:
https://tria.ge/reports/260725-vj61ts1xcs/
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
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/ef97a019a136f7e43ad006f8a7fd44236df44058053b5e01dd60755d24c86011

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:botnet_Yakuza
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Author:NDA0E
Description:Yakuza botnet
Rule name:CP_Script_Inject_Detector
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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:Linux_Generic_Threat_c19ca8e5
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_ea92cca8
Create hunting rule
Author:Elastic Security
Rule name:MAL_ARM_LNX_Mirai_Mar13_2022
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Author:Mehmet Ali Kerimoglu a.k.a. CYB3RMX
Description:Detects new ARM Mirai variant
Rule name:setsockopt
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Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:SUSP_XORed_Mozilla_Oct19
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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
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Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
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: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 6d8249f94461455b8fdf679cb0c22c40e6d87d7ed7e79bcd7a48ada72e75ec92

Mirai

elf ef97a019a136f7e43ad006f8a7fd44236df44058053b5e01dd60755d24c86011

(this sample)

  
Dropped by
SHA256 6d8249f94461455b8fdf679cb0c22c40e6d87d7ed7e79bcd7a48ada72e75ec92
  
URLhaus
https://urlhaus.abuse.ch/url/3891560/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 7a7c208feff1f8143f042a38e01fb577

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