MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5a2cc2ca3c819e16d7127e8d4b5bcf8fc06c45a55ac0aca84f0cbe9d2a7a7978. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments

SHA256 hash: 5a2cc2ca3c819e16d7127e8d4b5bcf8fc06c45a55ac0aca84f0cbe9d2a7a7978
SHA3-384 hash: 39b6110d2f2fee941634674b82421b3966826ad452c4533effe0bdd154278b91d78290d61d3d59194852244847bf4203
SHA1 hash: f791a27f96ab12419c25a280e53a36845b9b9800
MD5 hash: f1c9486ca55863ffcac95e753e6b61c9
humanhash: football-iowa-spring-delaware
File name:WbJ
Download: download sample
Signature Mirai
File size:71'016 bytes
First seen:2026-06-17 19:20:40 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:ehncoFMUNMkcaK8z1parOCVoDderimw23euGk0ux97:Xvvkcn8z1par+eXw23euGluX7
TLSH T128633A15B8919F51C8D60576BE1E634E731327ACE3DF7213FA106B6C3B8B46B0E2A542
telfhash t146d0a7608d90d9d8878189560aeabb257396e8c999404c229e85989bd9217852417862
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 :
66
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Result
Verdict:
Malware
Maliciousness:

Behaviour
Collects information on the OS
Collects information on the network activity
Collects information on the RAM
Sends data to a server
Receives data from a server
Collects information on the CPU
Kills processes
Connection attempt
Runs as daemon
Deleting of the original file
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
rust
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
48
Number of processes launched:
0
Processes remaning?
false
Remote TCP ports scanned:
not identified
Behaviour
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-06-17T16:28:00Z UTC
Last seen:
2026-06-18T18:08:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.b
Status:
terminated
Behavior Graph:
%3 guuid=1a1dd1b1-1e00-0000-dd32-6f215b0e0000 pid=3675 /usr/bin/sudo guuid=186df4b3-1e00-0000-dd32-6f21670e0000 pid=3687 /tmp/sample.bin guuid=1a1dd1b1-1e00-0000-dd32-6f215b0e0000 pid=3675->guuid=186df4b3-1e00-0000-dd32-6f21670e0000 pid=3687 execve
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj
Score:
56 / 100
Signature
Connects to many ports of the same IP (likely port scanning)
Multi AV Scanner detection for submitted file
Sample tries to kill multiple processes (SIGKILL)
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1929623 Sample: WbJ.elf Startdate: 17/06/2026 Architecture: LINUX Score: 56 46 176.65.139.225, 12345, 34567, 37254 STORMINDUSTRIESHostingServicesUS Netherlands 2->46 48 185.125.190.26, 443 CANONICAL-ASGB United Kingdom 2->48 50 Multi AV Scanner detection for submitted file 2->50 52 Connects to many ports of the same IP (likely port scanning) 2->52 10 WbJ.elf 2->10         started        12 xfce4-panel wrapper-2.0 2->12         started        14 xfce4-panel wrapper-2.0 2->14         started        16 4 other processes 2->16 signatures3 process4 process5 18 WbJ.elf 10->18         started        process6 20 WbJ.elf 18->20         started        signatures7 54 Sample tries to kill multiple processes (SIGKILL) 20->54 23 WbJ.elf 20->23         started        26 WbJ.elf 20->26         started        28 WbJ.elf 20->28         started        30 48 other processes 20->30 process8 signatures9 56 Sample tries to kill multiple processes (SIGKILL) 23->56 32 WbJ.elf exe 23->32         started        34 WbJ.elf exe 26->34         started        36 WbJ.elf exe 28->36         started        38 WbJ.elf exe 30->38         started        40 WbJ.elf exe 30->40         started        42 WbJ.elf exe 30->42         started        44 43 other processes 30->44 process10
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2026-06-17 19:22:04 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  9/10
Tags:
antivm defense_evasion discovery
Behaviour
Reads runtime system information
Checks CPU configuration
Enumerates running processes
Reads hardware information
Reads list of loaded kernel modules
Deletes itself
Creates a large amount of network flows
Please note that we are no longer able to provide a coverage score for Virus Total.

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_Threat_d2dca9e7
Author:Elastic Security
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
Rule name:unixredflags3
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 5a2cc2ca3c819e16d7127e8d4b5bcf8fc06c45a55ac0aca84f0cbe9d2a7a7978

(this sample)

  
Delivery method
Distributed via web download

Comments