MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 742175100b5a87773d24702aaedf8d01da5c55a73e6520f1ffb40a90fc4e8e31. 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: 13


Intelligence 13 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 742175100b5a87773d24702aaedf8d01da5c55a73e6520f1ffb40a90fc4e8e31
SHA3-384 hash: f50d456796cf763d602b562c3d4f3ffaa2ee5b96630dd55823452cfda1b3eb9751ea744f3cab58c718af7c21322c76bd
SHA1 hash: d707fbf3a6a9b0ac63c88bdb87d7cec1bc846ff8
MD5 hash: 98eebed7090db1c05793ef3ba479a397
humanhash: monkey-sad-zebra-tennis
File name:nova.arm5
Download: download sample
Signature Mirai
Create hunting rule
File size:88'336 bytes
First seen:2025-12-18 13:32:48 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:brdc7OZJtDLnzAg0aB2iU2MCGiFy1R/FDVJsT8PRJShl61d63T8wFSP:br5Ar0PGCGoy1R/VHi8ZG4KT8wFSP
TLSH T1BB832A52BD818F13C1D222BAFBAE418C372577A8D1EB3242ED257F90778689B0D67711
telfhash t1e611eb824dd40edc37d04306a26a2318d8e5b5fc6512649a9fbfaedf0a534c13091037
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

Intelligence

File Origin
# of uploads :
1
# of downloads :
78
Origin country :
DE DE
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/083664af-b0f8-47dd-a9b0-d9e7ebc4ea8f/
Detection(s):
Sanesecurity.Malware.30455.LC.BadVar.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.28959.LC.UNOFFICIAL
Create hunting rule

Unix.Dropper.Mirai-7135868-0
Create hunting rule

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

Unix.Dropper.Mirai-7135891-0
Create hunting rule

Unix.Dropper.Mirai-7135892-0
Create hunting rule

Unix.Dropper.Mirai-7135898-0
Create hunting rule

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

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

Unix.Dropper.Mirai-7136034-0
Create hunting rule

Unix.Trojan.Mirai-9945193-0
Create hunting rule

Unix.Trojan.Mirai-9946826-0
Create hunting rule

Unix.Dropper.Mirai-10008433-0
Create hunting rule

Unix.Trojan.Mirai-10027280-0
Create hunting rule

Unix.Trojan.Mirai-10028946-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
gafgyt gcc masquerade mirai rust
Link:
https://www.filescan.io/uploads/694402993f8fdbf8e94ad813/reports/b7393801-461b-4ac5-acb9-39f5c3172502/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-18T10:14:00Z UTC
Last seen:
2025-12-19T00:31:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.ew HEUR:Backdoor.Linux.Mirai.es HEUR:Backdoor.Linux.Mirai.c HEUR:Backdoor.Linux.Mirai.ba HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj HEUR:Backdoor.Linux.Mirai.h
Link:
https://opentip.kaspersky.com/742175100b5a87773d24702aaedf8d01da5c55a73e6520f1ffb40a90fc4e8e31/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/c6f73fb6-9678-421d-906e-ef460b68949a
Behavior Graph:
Download SVG
%3 guuid=e606360e-1900-0000-da18-94d2cf130000 pid=5071 /usr/bin/sudo guuid=e02c4b11-1900-0000-da18-94d2db130000 pid=5083 /tmp/sample.bin guuid=e606360e-1900-0000-da18-94d2cf130000 pid=5071->guuid=e02c4b11-1900-0000-da18-94d2db130000 pid=5083 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/9db27b04-753d-4e23-bc26-684932be5b94
Result
Threat name:
Okiru
Create hunting rule
Detection:
malicious
Classification:
spre.troj
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1835670
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample reads /proc/mounts (often used for finding a writable filesystem)
Sample tries to kill a massive number of system processes
Sample tries to kill multiple processes (SIGKILL)
Yara detected Okiru
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1835670 Sample: nova.arm5.elf Startdate: 18/12/2025 Architecture: LINUX Score: 88 55 208.247.54.80, 23 WINDSTREAMUS United States 2->55 57 74.11.245.233, 23 WINDSTREAMUS United States 2->57 59 99 other IPs or domains 2->59 61 Malicious sample detected (through community Yara rule) 2->61 63 Antivirus / Scanner detection for submitted sample 2->63 65 Multi AV Scanner detection for submitted file 2->65 67 Yara detected Okiru 2->67 8 nova.arm5.elf 2->8         started        10 systemd gpu-manager 2->10         started        12 systemd gpu-manager 2->12         started        14 65 other processes 2->14 signatures3 process4 signatures5 17 nova.arm5.elf 8->17         started        19 nova.arm5.elf 8->19         started        22 nova.arm5.elf 8->22         started        24 gpu-manager sh 10->24         started        26 gpu-manager sh 10->26         started        28 gpu-manager sh 10->28         started        30 3 other processes 10->30 32 6 other processes 12->32 77 Sample reads /proc/mounts (often used for finding a writable filesystem) 14->77 34 12 other processes 14->34 process6 signatures7 36 nova.arm5.elf 17->36         started        47 4 other processes 17->47 69 Sample tries to kill a massive number of system processes 19->69 71 Sample tries to kill multiple processes (SIGKILL) 19->71 39 sh grep 24->39         started        41 sh grep 26->41         started        43 sh grep 28->43         started        45 sh grep 30->45         started        49 2 other processes 30->49 51 6 other processes 32->51 53 5 other processes 34->53 process8 signatures9 73 Sample tries to kill a massive number of system processes 36->73 75 Sample tries to kill multiple processes (SIGKILL) 36->75
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/742175100b5a87773d24702aaedf8d01da5c55a73e6520f1ffb40a90fc4e8e31
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/742175100b5a87773d24702aaedf8d01da5c55a73e6520f1ffb40a90fc4e8e31/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/742175100b5a87773d24702aaedf8d01da5c55a73e6520f1ffb40a90fc4e8e31
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-18 13:33:15 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=oqqxkeallkdxopjeoavk5x4nahnfyvnhhzssb4p7wqfjb7coryyq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:sora
Link:
https://tria.ge/reports/251218-qtqdlstkgw/
Verdict:
Malicious
Tags:
trojan mirai Unix.Dropper.Mirai-7135868-0
YARA:
Linux_Trojan_Mirai_0bce98a2
Link:
https://app.threat.zone/submission/ed85112c-a7c6-4393-80b1-c02c92aa37fc
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/742175100b5a87773d24702aaedf8d01da5c55a73e6520f1ffb40a90fc4e8e31

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:Linux_Generic_Threat_3bcc1630
Create hunting rule
Author:Elastic Security
Rule name:Linux_Generic_Threat_d94e1020
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_0bce98a2
Create hunting rule
Author:Elastic Security
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 742175100b5a87773d24702aaedf8d01da5c55a73e6520f1ffb40a90fc4e8e31

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3735551/
  
Delivery method
Distributed via web download

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