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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d4981db5d28d0aa77087e1f063f268432b2c351ea02b07c66be4585daf9b6395. 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 12 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d4981db5d28d0aa77087e1f063f268432b2c351ea02b07c66be4585daf9b6395
SHA3-384 hash: 0fdf93a2530ab2aaa6825e45c4b19a8195ccc6f6cafe3f68a3b78ea7e43e162ce4953d69585168d921a7104031cb69fd
SHA1 hash: d8c23808be3a924a8629fff369f09abbc87e0d2d
MD5 hash: af484054627c21cab51458433223ae45
humanhash: black-helium-iowa-fix
File name:Space.arm7
Download: download sample
Signature Mirai
Create hunting rule
File size:159'412 bytes
First seen:2026-05-21 20:17:36 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:i2bmltnY4BRae/xGPZ06v/mYp+C9T6MjNHDjyoM/9Gc03:xbmltXRae/xGPd/z+cT6ONHDj1M/9l03
TLSH T1ADF33A46F6418B13C0D61779BA9F420533239BA4E3DB73069928BFF43F8679A0E67905
telfhash t1f821f071133645146a71caa88decb7b2052887122385ff33ef3ac8dc5809095e939c0f
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 e935f85993942729ef9159eacebb7c63c3f7f8d61e2e19479a14f0db1a1f40f6
File size (compressed) :61'852 bytes
File size (de-compressed) :159'412 bytes
Format:linux/arm
Packed file: e935f85993942729ef9159eacebb7c63c3f7f8d61e2e19479a14f0db1a1f40f6

Intelligence

File Origin
# of uploads :
1
# of downloads :
63
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/2e110a0e-c773-4cb1-a63f-0f4214f2937c/
Detection(s):
SecuriteInfo.com.Linux.Mirai-61.UNOFFICIAL
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Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
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SecuriteInfo.com.Linux.Mirai-81.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.30435.LC.UNOFFICIAL
Create hunting rule

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-7135925-0
Create hunting rule

Unix.Dropper.Mirai-7135954-0
Create hunting rule

Unix.Dropper.Mirai-7136013-0
Create hunting rule

Unix.Dropper.Mirai-7136016-0
Create hunting rule

Unix.Dropper.Mirai-7136028-0
Create hunting rule

Unix.Dropper.Mirai-7136057-0
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.Trojan.Mirai-9858729-0
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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YARA.SIGNATURE_BASE_MAL_ARM_LNX_Mirai_Mar13_2022.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Connection attempt
Sends data to a server
Receives data from a server
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-05-21T18:23:00Z UTC
Last seen:
2026-05-22T11:40:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/d4981db5d28d0aa77087e1f063f268432b2c351ea02b07c66be4585daf9b6395/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/83af2af5-f857-4247-bc01-9525d9ba2029
Behavior Graph:
Download SVG
%3 guuid=63385991-1b00-0000-bd9c-891b950a0000 pid=2709 /usr/bin/sudo guuid=58c50f95-1b00-0000-bd9c-891b9e0a0000 pid=2718 /tmp/sample.bin guuid=63385991-1b00-0000-bd9c-891b950a0000 pid=2709->guuid=58c50f95-1b00-0000-bd9c-891b9e0a0000 pid=2718 execve
Malware family:
Mirai
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b9800592-6175-45ac-85eb-86e32bd48524
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/d4981db5d28d0aa77087e1f063f268432b2c351ea02b07c66be4585daf9b6395
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/d4981db5d28d0aa77087e1f063f268432b2c351ea02b07c66be4585daf9b6395/
Threat name:
Linux.Backdoor.Mirai
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Status:
Malicious
First seen:
2026-05-21 20:18:34 UTC
File Type:
ELF32 Little (Exe)
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=2smb3nosrufko4eh4hygh4tiimvsyni6uavqprtl4rmf3l43mokq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:lzrd botnet defense_evasion discovery
Link:
https://tria.ge/reports/260521-y3hn5ahw6n/
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
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/d4981db5d28d0aa77087e1f063f268432b2c351ea02b07c66be4585daf9b6395

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
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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_Trojan_Gafgyt_28a2fe0c
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
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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: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 e935f85993942729ef9159eacebb7c63c3f7f8d61e2e19479a14f0db1a1f40f6

Mirai

elf d4981db5d28d0aa77087e1f063f268432b2c351ea02b07c66be4585daf9b6395

(this sample)

  
Dropped by
SHA256 e935f85993942729ef9159eacebb7c63c3f7f8d61e2e19479a14f0db1a1f40f6
  
URLhaus
https://urlhaus.abuse.ch/url/3851416/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3851412/
  
Dropped by
MD5 1906c0981e6b83b482202088abe74479

Comments