MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cd52cdfa71d798723e057c1d069edb77f4ed3e54ac7edc6e6a5a924d0567efe0. 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: 8


Intelligence 8 IOCs YARA 3 File information Comments

SHA256 hash: cd52cdfa71d798723e057c1d069edb77f4ed3e54ac7edc6e6a5a924d0567efe0
SHA3-384 hash: 54b8efff1d4a0d9c879467eeddb03728332898e06721a58bb9a8d20c12d1d212a165f79c1fe980e53a1d70cd953bca0b
SHA1 hash: 9b662c185a0e40129716a9376db56bb86ea6a1c1
MD5 hash: b055598062b9cbfbd5f61e76e8769f64
humanhash: two-jupiter-beer-mango
File name:4Hep
Download: download sample
Signature Mirai
File size:84'100 bytes
First seen:2026-07-21 23:27:43 UTC
Last seen:2026-07-22 10:05:53 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:gKnKCvaQPuYuOkY5PynmiXeShDIzLDPkENhTa9c2uZjllc2i1XrekZll:sCvaIJkOehdwDPkENhTa9chUdXrR
TLSH T10783072AB9419F05D4D526BAFF1E538933536BBCE3EE7102EE141F2527CA91B0F2A501
telfhash t1ba01f13506c44cdc9bd0c106e1ef152ac98ef8b93720098eb5fdef8a92a36d5b312409
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
2
# of downloads :
104
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Sets a written file as executable
Manages services
Runs as daemon
Kills processes
Connection attempt
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:
10
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
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-07-21T21:40:00Z UTC
Last seen:
2026-07-22T18:35:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=f03ccb8e-1800-0000-3b4b-98d09b080000 pid=2203 /usr/bin/sudo guuid=4b04d090-1800-0000-3b4b-98d0a0080000 pid=2208 /tmp/sample.bin guuid=f03ccb8e-1800-0000-3b4b-98d09b080000 pid=2203->guuid=4b04d090-1800-0000-3b4b-98d0a0080000 pid=2208 execve
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj
Score:
72 / 100
Signature
Connects to many ports of the same IP (likely port scanning)
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: 1946190 Sample: 4Hep.elf Startdate: 22/07/2026 Architecture: LINUX Score: 72 47 5.231.70.61, 48262, 56238 DATAFORESTDE Germany 2->47 49 Multi AV Scanner detection for submitted file 2->49 51 Connects to many ports of the same IP (likely port scanning) 2->51 10 4Hep.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 4Hep.elf 10->18         started        process6 20 4Hep.elf 18->20         started        process7 22 4Hep.elf 20->22         started        26 4Hep.elf 20->26         started        28 4Hep.elf 20->28         started        30 7 other processes 20->30 file8 41 /etc/rc.local, POSIX 22->41 dropped 43 /etc/crontab, ASCII 22->43 dropped 45 /etc/cron.d/crond, ASCII 22->45 dropped 55 Sample tries to set files in /etc globally writable 22->55 57 Sample reads /proc/mounts (often used for finding a writable filesystem) 22->57 59 Sample tries to persist itself using cron 22->59 61 Sample tries to persist itself using System V runlevels 22->61 32 4Hep.elf systemctl 22->32         started        34 4Hep.elf systemctl 22->34         started        36 4Hep.elf 26->36         started        39 4Hep.elf 28->39         started        63 Sample tries to kill multiple processes (SIGKILL) 30->63 signatures9 process10 signatures11 53 Sample tries to kill multiple processes (SIGKILL) 36->53
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2026-07-21 23:28:48 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 24 (58.33%)
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_0ea505fa
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 cd52cdfa71d798723e057c1d069edb77f4ed3e54ac7edc6e6a5a924d0567efe0

(this sample)

  
Delivery method
Distributed via web download

Comments