MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c9555b6eaf31ff78547d76e8e39f5f9ea255b31c347e319660e62db3109b4f35. 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: 11


Intelligence 11 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c9555b6eaf31ff78547d76e8e39f5f9ea255b31c347e319660e62db3109b4f35
SHA3-384 hash: 8614c131c2e33d55a15ba6505147de2624c250b17c9bce0251c517f4f36b2d475399b758937e53ff43c450aa4ce669bb
SHA1 hash: 9b7de1e0eb0691db57578fc58d97ce15213994a8
MD5 hash: 4d1378798db20710a658bc88a7775e57
humanhash: pizza-artist-quebec-utah
File name:nova.arm
Download: download sample
Signature Mirai
Create hunting rule
File size:88'332 bytes
First seen:2025-12-17 18:24:40 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:06C4kuZwZDG8p6Kr8qjtzgpm2zEizfliwNIRLvLl61d6e+MP:06A96Kxcm2oGEJL4L+MP
TLSH T178833B42BD819F13C5C222BBFBAE018C3715ABA8D1EB3102DD25BF91378699B1D67711
telfhash t1b911ccb44b9409ec6bc08784d16b420b89a731ec565228798fbe0bdb4aa78e13860536
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 :
64
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/d7a84650-cb2e-419d-ae72-adfaa81947c4/
Detection(s):
Sanesecurity.Malware.30455.LC.BadVar.UNOFFICIAL
Create hunting rule

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

Unix.Dropper.Mirai-7135890-0
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.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-10028946-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-17T16:22:00Z UTC
Last seen:
2025-12-19T00:17:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/c9555b6eaf31ff78547d76e8e39f5f9ea255b31c347e319660e62db3109b4f35/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/d87c103e-a50f-4784-a911-0f72e8211bcc
Behavior Graph:
Download SVG
%3 guuid=1cb91966-1900-0000-8ed6-e036980c0000 pid=3224 /usr/bin/sudo guuid=5da80568-1900-0000-8ed6-e0369b0c0000 pid=3227 /tmp/sample.bin guuid=1cb91966-1900-0000-8ed6-e036980c0000 pid=3224->guuid=5da80568-1900-0000-8ed6-e0369b0c0000 pid=3227 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/624fc279-d677-49a4-8266-80d3ff1d4ad6
Result
Threat name:
Okiru
Create hunting rule
Detection:
malicious
Classification:
spre.troj
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1835139
Signature
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: 1835139 Sample: nova.arm.elf Startdate: 17/12/2025 Architecture: LINUX Score: 72 55 91.228.188.176, 23 YOUNG-AND-RUBICAMGB France 2->55 57 142.73.16.142, 23 WORLDLINX-2CA Canada 2->57 59 99 other IPs or domains 2->59 61 Multi AV Scanner detection for submitted file 2->61 63 Yara detected Okiru 2->63 8 nova.arm.elf 2->8         started        10 systemd gpu-manager 2->10         started        12 systemd gpu-manager 2->12         started        14 72 other processes 2->14 signatures3 process4 signatures5 17 nova.arm.elf 8->17         started        19 nova.arm.elf 8->19         started        22 nova.arm.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 5 other processes 12->32 73 Sample reads /proc/mounts (often used for finding a writable filesystem) 14->73 34 12 other processes 14->34 process6 signatures7 36 nova.arm.elf 17->36         started        47 4 other processes 17->47 65 Sample tries to kill a massive number of system processes 19->65 67 Sample tries to kill multiple processes (SIGKILL) 19->67 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 5 other processes 32->51 53 4 other processes 34->53 process8 signatures9 69 Sample tries to kill a massive number of system processes 36->69 71 Sample tries to kill multiple processes (SIGKILL) 36->71
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/c9555b6eaf31ff78547d76e8e39f5f9ea255b31c347e319660e62db3109b4f35
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c9555b6eaf31ff78547d76e8e39f5f9ea255b31c347e319660e62db3109b4f35/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-17 18:07:53 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zfkvw3vpgh7xqvd5o3uohh27t2rflmy4gr7ddfta4yw3gee3j42q._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:sora
Link:
https://tria.ge/reports/251217-w3k35sds4e/
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7135890-0
YARA:
n/a
Link:
https://app.threat.zone/submission/188dac9d-e1fb-43b6-bc7e-e83204d57f35
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/c9555b6eaf31ff78547d76e8e39f5f9ea255b31c347e319660e62db3109b4f35

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: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 c9555b6eaf31ff78547d76e8e39f5f9ea255b31c347e319660e62db3109b4f35

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3735642/
  
Delivery method
Distributed via web download

Comments