MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2539a43c1d5c841313e98ef3494f635201c9d5e64938c941e4677ced2b353696. 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 2 File information Comments

SHA256 hash: 2539a43c1d5c841313e98ef3494f635201c9d5e64938c941e4677ced2b353696
SHA3-384 hash: 9846434ba7a328c654a10bf5746dba91c38a80e0e352f05a9d660dbcb141c16805f9f43e3110df74708d417f0ce849f1
SHA1 hash: dfba36e5dbda04435791bc02570640fc8b459a42
MD5 hash: b26ed3eb1921ca60e99d90b72f81c7f9
humanhash: gee-pizza-alanine-paris
File name:zerarm5
Download: download sample
Signature Mirai
File size:71'912 bytes
First seen:2026-01-24 17:52:31 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:ww6BEpDxfsXj0HJFUy4dXOGPH2qziuvfD5:w5BEhx+UJoBO2H2qziuvr5
TLSH T16A6319CA7CC5C602C5F060B2BB1FA58E335643A8E3E6B157DD19AF29670F8970A37251
telfhash t14151eeebcb7409d967d29289819e254b1bfd32536e192452de1daf0fc0435c6b02f83b
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 :
69
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
mirai rust
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
34
Number of processes launched:
2
Processes remaning?
false
Remote TCP ports scanned:
not identified
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Status:
terminated
Behavior Graph:
%3 guuid=418a909b-1b00-0000-37fc-383c820c0000 pid=3202 /usr/bin/sudo guuid=b26fa09d-1b00-0000-37fc-383c870c0000 pid=3207 /tmp/sample.bin guuid=418a909b-1b00-0000-37fc-383c820c0000 pid=3202->guuid=b26fa09d-1b00-0000-37fc-383c870c0000 pid=3207 execve
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
56 / 100
Signature
Drops invisible ELF files
Multi AV Scanner detection for submitted file
Sample deletes itself
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1856943 Sample: zerarm5.elf Startdate: 24/01/2026 Architecture: LINUX Score: 56 18 134.122.13.243, 36932, 39691 DIGITALOCEAN-ASNUS United States 2->18 20 slursbeback.ru 2->20 22 Multi AV Scanner detection for submitted file 2->22 8 zerarm5.elf .systemd-journald 2->8         started        signatures3 process4 file5 16 /dev/shm/.systemd-journald, ELF 8->16 dropped 24 Drops invisible ELF files 8->24 26 Sample deletes itself 8->26 12 .systemd-journald 8->12         started        signatures6 process7 process8 14 .systemd-journald 12->14         started       
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2026-01-24 17:53:36 UTC
File Type:
ELF32 Little (Exe)
AV detection:
13 of 24 (54.17%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
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_d94e1020
Author:Elastic Security
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 2539a43c1d5c841313e98ef3494f635201c9d5e64938c941e4677ced2b353696

(this sample)

  
Delivery method
Distributed via web download

Comments