MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 552d60e630c885a8337390ba737c7698efc2eb65f081d6ee26ec782bd893d574. 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 1 File information Comments

SHA256 hash: 552d60e630c885a8337390ba737c7698efc2eb65f081d6ee26ec782bd893d574
SHA3-384 hash: af9bf8982c89cab0b114cd3009d8fee15c272137580683669484d11877c51ebaf4683033f25bba30237af4ca26f31667
SHA1 hash: 52d3ceb631fff301a0f0ec5192878accc457b94c
MD5 hash: fa48dcaefd04c5ba66fe8eebbf4cdeb2
humanhash: comet-minnesota-vegan-kitten
File name:zersh4
Download: download sample
Signature Mirai
File size:83'332 bytes
First seen:2026-01-26 23:18:15 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:k44zCg3/Eh+aKa3o3wmzVsjTWlhE+f7CnbOZtX:k48CW0+aKaY3wOWff+f7yaLX
TLSH T166838E42CC746EA8F0776D3110B9DDBB4753B54AA41BACBA3C57C214401BE8CF5AABB4
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 :
86
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
mirai
Result
Gathering data
Status:
terminated
Behavior Graph:
%3 guuid=f5fa4619-1900-0000-c487-ee9c05060000 pid=1541 /usr/bin/sudo guuid=a7752d1c-1900-0000-c487-ee9c0c060000 pid=1548 /tmp/sample.bin guuid=f5fa4619-1900-0000-c487-ee9c05060000 pid=1541->guuid=a7752d1c-1900-0000-c487-ee9c0c060000 pid=1548 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: 1858009 Sample: zersh4.elf Startdate: 27/01/2026 Architecture: LINUX Score: 56 22 109.202.202.202, 80 INIT7CH Switzerland 2->22 24 167.99.246.88, 39691, 51848 DIGITALOCEAN-ASNUS United States 2->24 26 6 other IPs or domains 2->26 28 Multi AV Scanner detection for submitted file 2->28 8 zersh4.elf .systemd-journald 2->8         started        12 dash rm 2->12         started        14 dash rm 2->14         started        signatures3 process4 file5 20 /dev/shm/.systemd-journald, ELF 8->20 dropped 30 Drops invisible ELF files 8->30 32 Sample deletes itself 8->32 16 .systemd-journald 8->16         started        signatures6 process7 process8 18 .systemd-journald 16->18         started       
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-01-26 23:18:38 UTC
File Type:
ELF32 Little (Exe)
AV detection:
13 of 36 (36.11%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
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: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 552d60e630c885a8337390ba737c7698efc2eb65f081d6ee26ec782bd893d574

(this sample)

  
Delivery method
Distributed via web download

Comments