MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cb7a9cd9b92bc41a754fc36693968195a459d18930906e5a3fc338019e1875c4. 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: 6


Intelligence 6 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cb7a9cd9b92bc41a754fc36693968195a459d18930906e5a3fc338019e1875c4
SHA3-384 hash: 43a6c9d4d7ad70e47d44dd387b93f4876041c2104875cc550d97aaf5ec8bbad2b7934aceacb5fa2ba2cb8b154fe1c0fb
SHA1 hash: 288376edb8aefe4e71a75d51a7689d8dc07711f2
MD5 hash: fabe4157215028ec438c22c86c47f71d
humanhash: red-missouri-delaware-west
File name:zerspc
Download: download sample
Signature Mirai
Create hunting rule
File size:72'440 bytes
First seen:2026-01-24 15:14:35 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:RWVf+NBBNI3IZLRC5u7jno1FufglI+sHJk:wRQNmkRCnufEgJk
TLSH T168633A11ED391D27C4C0713B55E74630F5B643AD2ABC9A4E7EB32D9CDE14720312BAAA
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
73
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Unix.Trojan.Mirai-9885259-0
Create hunting rule

Result
Gathering data
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/0367c162-db1a-4063-b7c3-298b872e546b
Behavior Graph:
Download SVG
%3 guuid=e897629f-1500-0000-0ba5-9b9b590c0000 pid=3161 /usr/bin/sudo guuid=0a6b06a2-1500-0000-0ba5-9b9b5b0c0000 pid=3163 /tmp/sample.bin guuid=e897629f-1500-0000-0ba5-9b9b590c0000 pid=3161->guuid=0a6b06a2-1500-0000-0ba5-9b9b5b0c0000 pid=3163 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/7a7df110-bc3b-4a7a-b864-d3870d0a9dd1
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
56 / 100
Link:
https://www.joesandbox.com/analysis/1856837
Signature
Drops invisible ELF files
Multi AV Scanner detection for submitted file
Sample deletes itself
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1856837 Sample: zerspc.elf Startdate: 24/01/2026 Architecture: LINUX Score: 56 22 109.202.202.202, 80 INIT7CH Switzerland 2->22 24 134.122.13.243, 39691, 53672 DIGITALOCEAN-ASNUS United States 2->24 26 5 other IPs or domains 2->26 28 Multi AV Scanner detection for submitted file 2->28 8 zerspc.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       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/cb7a9cd9b92bc41a754fc36693968195a459d18930906e5a3fc338019e1875c4
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/cb7a9cd9b92bc41a754fc36693968195a459d18930906e5a3fc338019e1875c4/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-24 15:15:48 UTC
File Type:
ELF32 Big (Exe)
AV detection:
11 of 36 (30.56%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zn5jzwnzfpcbu5kpyntjhfubswsftumjgcig4wr7ym4adhqyoxca._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Link:
https://tria.ge/reports/260124-tasamsdz7b/
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
Create hunting rule
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 cb7a9cd9b92bc41a754fc36693968195a459d18930906e5a3fc338019e1875c4

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3739225/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3739429/

Comments