MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 03a77c6a763ed2a1da2589009f4a292dc4fc54a3d2089f0209c1e0d25ede6267. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 03a77c6a763ed2a1da2589009f4a292dc4fc54a3d2089f0209c1e0d25ede6267
SHA3-384 hash: df108c54aeb6d7172d8e7c32cf072c7443003120ff7dc93a6b472c633308cc66dc9d0a2b7827d55386ebd78035c3203f
SHA1 hash: ee51e0a631a77fd24abd9a8fb7c18a9f50e7a723
MD5 hash: cd945214aa0148c7cb385d85a20157f0
humanhash: michigan-oregon-mexico-magazine
File name:sora.mips
Download: download sample
Signature Mirai
Create hunting rule
File size:88'720 bytes
First seen:2026-02-04 01:25:32 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:NYxbiIEXLbY+rWU87fvZH0vKJJ56BbFNl1LGKjMiXzG+2:N0bY7lmZH0iL5iNl5GKjVXz32
TLSH T1D583A54D6F319F7DFBA8C73857B75A506608338A22E1D485D1ACEB060E6024E741FFA5
telfhash t1d801c96c8eb423e49a368d5a046defa6e1b030da07226c274f15a96caabdc415e05c0d
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 bf11aeacf1715eaceeb88b2500a2eb3b26a9f6750b34a706c5e046e852ea17d5
File size (compressed) :29'412 bytes
File size (de-compressed) :88'720 bytes
Format:linux/mips
Packed file: bf11aeacf1715eaceeb88b2500a2eb3b26a9f6750b34a706c5e046e852ea17d5

Intelligence

File Origin
# of uploads :
1
# of downloads :
56
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/d4cf1c0c-d8c7-4d34-99c5-0f032b28d0cc/
Detection(s):
SecuriteInfo.com.Linux.Mirai-63.UNOFFICIAL
Create hunting rule

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

Unix.Dropper.Mirai-7135890-0
Create hunting rule

Unix.Dropper.Mirai-7135897-0
Create hunting rule

Unix.Dropper.Mirai-7135901-0
Create hunting rule

Unix.Trojan.Mirai-7135916-0
Create hunting rule

Unix.Dropper.Mirai-7135918-0
Create hunting rule

Unix.Dropper.Mirai-7135939-0
Create hunting rule

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

Unix.Dropper.Mirai-7136025-0
Create hunting rule

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

Unix.Trojan.Mirai-9819563-0
Create hunting rule

Unix.Trojan.Mirai-9820623-0
Create hunting rule

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade mirai obfuscated
Link:
https://www.filescan.io/uploads/6982a0352ffccda097676235/reports/004d6071-14af-4313-97ed-2ca99908eb1e/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
not packed
Botnet:
unknown
Number of open files:
3
Number of processes launched:
7
Processes remaning?
true
Remote TCP ports scanned:
23
Full report:
https://elfdigest.com/brief/03a77c6a763ed2a1da2589009f4a292dc4fc54a3d2089f0209c1e0d25ede6267
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Gathering data
Verdict:
Malicious
File Type:
ELF 32 BE
Detections:
HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.ba HEUR:Backdoor.Linux.Mirai.b
Link:
https://opentip.kaspersky.com/03a77c6a763ed2a1da2589009f4a292dc4fc54a3d2089f0209c1e0d25ede6267/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/eaaebd3e-5764-4fa6-ab1d-c634aaf280df
Behavior Graph:
Download SVG
%3 guuid=a75cfec6-1c00-0000-c006-4cb4e4050000 pid=1508 /usr/bin/sudo guuid=4b9a9fc9-1c00-0000-c006-4cb4eb050000 pid=1515 /tmp/sample.bin guuid=a75cfec6-1c00-0000-c006-4cb4e4050000 pid=1508->guuid=4b9a9fc9-1c00-0000-c006-4cb4eb050000 pid=1515 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/098d34f8-7e11-4caa-9026-3b742b143f09
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1862948
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1862948 Sample: sora.mips.elf Startdate: 04/02/2026 Architecture: LINUX Score: 80 24 93.107.150.10, 23 VODAFONE-IRELAND-ASNIE Ireland 2->24 26 117.102.150.223 VODAFONE-AS-APVodafoneAustraliaPtyLtdAU Australia 2->26 28 99 other IPs or domains 2->28 30 Malicious sample detected (through community Yara rule) 2->30 32 Antivirus / Scanner detection for submitted sample 2->32 34 Multi AV Scanner detection for submitted file 2->34 36 Yara detected Mirai 2->36 8 sora.mips.elf 2->8         started        10 python3.8 dpkg 2->10         started        signatures3 process4 process5 12 sora.mips.elf 8->12         started        14 sora.mips.elf 8->14         started        16 sora.mips.elf 8->16         started        process6 18 sora.mips.elf 12->18         started        20 sora.mips.elf 12->20         started        22 sora.mips.elf 12->22         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/03a77c6a763ed2a1da2589009f4a292dc4fc54a3d2089f0209c1e0d25ede6267
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/03a77c6a763ed2a1da2589009f4a292dc4fc54a3d2089f0209c1e0d25ede6267/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/03a77c6a763ed2a1da2589009f4a292dc4fc54a3d2089f0209c1e0d25ede6267
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-02-04 01:26:21 UTC
File Type:
ELF32 Big (Exe)
AV detection:
25 of 36 (69.44%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=aotxy2twh3jkdwrfreaj6srjfxcpyvfd2iej6aqjyhqnexw6mjtq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:sora defense_evasion discovery
Link:
https://tria.ge/reports/260204-btmkdsgv6d/
Behaviour
Reads runtime system information
System Network Configuration Discovery
Changes its process name
Modifies Watchdog functionality
Contacts a large (48716) amount of remote hosts
Creates a large amount of network flows
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/03a77c6a763ed2a1da2589009f4a292dc4fc54a3d2089f0209c1e0d25ede6267

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:MAL_ELF_LNX_Mirai_Oct10_2
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects ELF malware Mirai related
Reference:Internal Research
Rule name:MAL_ELF_LNX_Mirai_Oct10_2_RID2F3A
Create hunting rule
Author:Florian Roth
Description:Detects ELF malware Mirai related
Reference:Internal Research
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

File information

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

Web download

Mirai

elf bf11aeacf1715eaceeb88b2500a2eb3b26a9f6750b34a706c5e046e852ea17d5

Mirai

elf 03a77c6a763ed2a1da2589009f4a292dc4fc54a3d2089f0209c1e0d25ede6267

(this sample)

  
Dropped by
SHA256 bf11aeacf1715eaceeb88b2500a2eb3b26a9f6750b34a706c5e046e852ea17d5
  
URLhaus
https://urlhaus.abuse.ch/url/3771870/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 d0c697ffb7adbc3dfc589ced3ddc7c4d

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