MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cd82561ce031428ee795db124e8a0ec913e8456e30926e64e8aeeeaf2c372483. 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: 7


Intelligence 7 IOCs YARA 3 File information Comments

SHA256 hash: cd82561ce031428ee795db124e8a0ec913e8456e30926e64e8aeeeaf2c372483
SHA3-384 hash: 56bf534ec65fab7adb7fb5cfd8662b537f571297612005bf52e38c7612e355b01e59cb791b91389ff90f625902ff3284
SHA1 hash: 6f8f3c7cc8b5f0583ea5a1097ec704353ccb6851
MD5 hash: e04c6907248d7a7c1dc1ad88860bf691
humanhash: blue-red-leopard-robin
File name:fjBe
Download: download sample
Signature Mirai
File size:71'080 bytes
First seen:2026-07-21 05:59:37 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:cgnRfzPrwj0VQsjlkvkcup3JwDyl1q1vfoZxAoMiw97yr1JYG2:ZTrq0OzMZo+qhfoJW97yr1
TLSH T16A63F96AB9418F16C4C5267AFE1D938E331317BCE3DE7213DE142F652B8B56B0E2A405
telfhash t156e02270898500cc0ff0860290af3a93576cf1b913009a4e9be55e5a81b3a15b30a52f
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 :
77
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Result
Verdict:
Malware
Maliciousness:

Behaviour
Manages services
Creating a file
Sends data to a server
Collects information on the RAM
Connection attempt
Receives data from a server
Sets a written file as executable
Kills processes
Runs as daemon
Collects information on the CPU
Writes symbolic links to system directory
Creates or modifies files in /cron to set up autorun
Creates or modifies files in /init.d to set up autorun
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:
92
Number of processes launched:
8
Processes remaning?
false
Remote TCP ports scanned:
not identified
Behaviour
Persistence
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Status:
terminated
Behavior Graph:
%3 guuid=f5584c5f-1b00-0000-ceda-98d19d0a0000 pid=2717 /usr/bin/sudo guuid=65369d61-1b00-0000-ceda-98d1a40a0000 pid=2724 /tmp/sample.bin guuid=f5584c5f-1b00-0000-ceda-98d19d0a0000 pid=2717->guuid=65369d61-1b00-0000-ceda-98d1a40a0000 pid=2724 execve
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj
Score:
68 / 100
Signature
Multi AV Scanner detection for submitted file
Sample reads /proc/mounts (often used for finding a writable filesystem)
Sample tries to kill multiple processes (SIGKILL)
Sample tries to persist itself using cron
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1945625 Sample: fjBe.elf Startdate: 21/07/2026 Architecture: LINUX Score: 68 42 94.154.43.102, 32522, 43816 CDNEXTGB Turkey 2->42 44 Multi AV Scanner detection for submitted file 2->44 10 fjBe.elf 2->10         started        12 systemd snapd-env-generator 2->12         started        14 systemd snapd-env-generator 2->14         started        16 6 other processes 2->16 signatures3 process4 process5 18 fjBe.elf 10->18         started        process6 20 fjBe.elf 18->20         started        process7 22 fjBe.elf 20->22         started        26 fjBe.elf 20->26         started        28 fjBe.elf 20->28         started        30 5 other processes 20->30 file8 36 /etc/rc.local, POSIX 22->36 dropped 38 /etc/crontab, ASCII 22->38 dropped 40 /etc/cron.d/crond, ASCII 22->40 dropped 46 Sample tries to set files in /etc globally writable 22->46 48 Sample reads /proc/mounts (often used for finding a writable filesystem) 22->48 50 Sample tries to persist itself using cron 22->50 52 Sample tries to persist itself using System V runlevels 22->52 32 fjBe.elf systemctl 22->32         started        34 fjBe.elf systemctl 22->34         started        54 Sample tries to kill multiple processes (SIGKILL) 26->54 signatures9 process10
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2026-07-21 06:02:10 UTC
File Type:
ELF32 Little (Exe)
AV detection:
9 of 36 (25.00%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  6/10
Tags:
antivm discovery execution persistence privilege_escalation
Behaviour
Reads runtime system information
Checks CPU configuration
Creates/modifies Cron job
Enumerates running processes
Modifies rc script
Modifies systemd
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 cd82561ce031428ee795db124e8a0ec913e8456e30926e64e8aeeeaf2c372483

(this sample)

  
Delivery method
Distributed via web download

Comments