MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b5759c9234a98b776d06a8845fd19a4f8b2d31ce72a331c864dc2f0c978dfff8. 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 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b5759c9234a98b776d06a8845fd19a4f8b2d31ce72a331c864dc2f0c978dfff8
SHA3-384 hash: eadcebb7b9e0293f57a5180f9a73affca64b8bc5765966c37b34b197d4f1aea96ee751aa9d78d4303de7a8650a5e2ff5
SHA1 hash: fc92617020d633998bdd4125d2a21e605db8105f
MD5 hash: 80e461320877acc62ab2f4031c55b26f
humanhash: pip-burger-kilo-massachusetts
File name:sora.arm7
Download: download sample
Signature Mirai
Create hunting rule
File size:158'993 bytes
First seen:2026-03-12 01:52:25 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:vfBUZc3Nw8mOIGlWKtBVFtaattSNKu1byM/9XOLmew8qTiF7:vfBUZCK8mOIGcK/VvaaWNKu1uM/9XqmQ
TLSH T198F33A46E7808A13C4D61B7ABADF820633239B64E3DB33069918BFF43F867994E57505
telfhash t19321df72577642156a76dbacddeca7a201145b13a346ff33ef21c4ec141a045d629c8f
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 4cf1333f5de389e2627636314215400ad59fdb34bca093d2e4e4ac8667cd9a29
File size (compressed) :60'576 bytes
File size (de-compressed) :158'993 bytes
Format:linux/arm
Packed file: 4cf1333f5de389e2627636314215400ad59fdb34bca093d2e4e4ac8667cd9a29

Intelligence

File Origin
# of uploads :
1
# of downloads :
66
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/bb8b212f-2267-4459-8855-a980fdaf84b8/
Detection(s):
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-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-9760303-0
Create hunting rule

Unix.Trojan.Mirai-9858729-0
Create hunting rule

Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
gcc masquerade rust
Link:
https://www.filescan.io/uploads/69b21c90493cb7d62df83e1a/reports/c9a31c3b-51fd-46d4-a2fc-ab07b6a83594/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
3
Number of processes launched:
4
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/b5759c9234a98b776d06a8845fd19a4f8b2d31ce72a331c864dc2f0c978dfff8
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
Link:
https://opentip.kaspersky.com/b5759c9234a98b776d06a8845fd19a4f8b2d31ce72a331c864dc2f0c978dfff8/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/6751b2ec-6d21-47e7-b04b-66e2138328c5
Behavior Graph:
Download SVG
%3 guuid=7e592011-1b00-0000-3477-798c050b0000 pid=2821 /usr/bin/sudo guuid=71673c14-1b00-0000-3477-798c080b0000 pid=2824 /tmp/sample.bin guuid=7e592011-1b00-0000-3477-798c050b0000 pid=2821->guuid=71673c14-1b00-0000-3477-798c080b0000 pid=2824 execve
Gathering data
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
56 / 100
Link:
https://www.joesandbox.com/analysis/1882333
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: 1882333 Sample: sora.arm7.elf Startdate: 12/03/2026 Architecture: LINUX Score: 56 17 45.141.26.73, 3778, 55366, 55368 SPECTRAIPSpectraIPBVNL Netherlands 2->17 19 Antivirus / Scanner detection for submitted sample 2->19 21 Multi AV Scanner detection for submitted file 2->21 7 sora.arm7.elf 2->7         started        signatures3 process4 process5 9 sora.arm7.elf 7->9         started        11 sora.arm7.elf 7->11         started        13 sora.arm7.elf 7->13         started        15 sora.arm7.elf 7->15         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b5759c9234a98b776d06a8845fd19a4f8b2d31ce72a331c864dc2f0c978dfff8
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b5759c9234a98b776d06a8845fd19a4f8b2d31ce72a331c864dc2f0c978dfff8/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-03-12 01:53:20 UTC
File Type:
ELF32 Little (Exe)
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wv2zzeruvgfxo3igvccf7um2j6fs2moookrtdsde3qxqzf4n774a._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:lzrd defense_evasion
Link:
https://tria.ge/reports/260312-ca5sasd15s/
Behaviour
Writes file to tmp directory
Changes its process name
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/b5759c9234a98b776d06a8845fd19a4f8b2d31ce72a331c864dc2f0c978dfff8

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: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_Threat_8299c877
Create hunting rule
Author:Elastic Security
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 4cf1333f5de389e2627636314215400ad59fdb34bca093d2e4e4ac8667cd9a29

Mirai

elf b5759c9234a98b776d06a8845fd19a4f8b2d31ce72a331c864dc2f0c978dfff8

(this sample)

  
Dropped by
SHA256 4cf1333f5de389e2627636314215400ad59fdb34bca093d2e4e4ac8667cd9a29
  
URLhaus
https://urlhaus.abuse.ch/url/3794411/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 6c2905b8aa750c857dc0a850e0bd31d7

Comments