MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1262b90fc04415d6848d4dfb76bbf84707f2e18ffa7acf8485c32ba99161a39c. 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: 1262b90fc04415d6848d4dfb76bbf84707f2e18ffa7acf8485c32ba99161a39c
SHA3-384 hash: eb86df577fe7417f2e8b9aa87968d01e1958bdee13ddfaaad448da075e011315e745e2469b952f222b96cbf231d42de8
SHA1 hash: f84731c32914e578dca0ddf2ddcc28b3ff1f665e
MD5 hash: 0a45249e7db74d6a07a0f97dc4d987a3
humanhash: maine-sodium-friend-asparagus
File name:zkR
Download: download sample
Signature Mirai
File size:94'416 bytes
First seen:2026-06-17 18:54:31 UTC
Last seen:2026-06-18 01:56:09 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:NyxNyUmdZSQffxGjtAwJ6sKet2gisAa3kk0ur97:kxoUmGQHqJeeOluJ7
TLSH T1AC93D909BB621DB7D86BCD3305AD064274CC960B61A43B753935CB1CBA8B54B8AE3CF5
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 :
2
# of downloads :
64
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Result
Verdict:
Malware
Maliciousness:

Behaviour
Collects information on the CPU
Collects information on the RAM
Sends data to a server
Connection attempt
Collects information on the OS
Runs as daemon
Receives data from a server
Collects information on the network activity
Kills processes
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Status:
terminated
Behavior Graph:
%3 guuid=26fc4f58-1900-0000-922e-e2e02c140000 pid=5164 /usr/bin/sudo guuid=5f00535a-1900-0000-922e-e2e02d140000 pid=5165 /tmp/sample.bin guuid=26fc4f58-1900-0000-922e-e2e02c140000 pid=5164->guuid=5f00535a-1900-0000-922e-e2e02d140000 pid=5165 execve
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj
Score:
48 / 100
Signature
Connects to many ports of the same IP (likely port scanning)
Sample tries to kill multiple processes (SIGKILL)
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1929611 Sample: zkR.elf Startdate: 17/06/2026 Architecture: LINUX Score: 48 46 176.65.139.225, 34567, 54788 STORMINDUSTRIESHostingServicesUS Netherlands 2->46 48 109.202.202.202, 80 INIT7CH Switzerland 2->48 50 4 other IPs or domains 2->50 52 Connects to many ports of the same IP (likely port scanning) 2->52 10 zkR.elf 2->10         started        12 dash rm 2->12         started        14 dash rm 2->14         started        16 6 other processes 2->16 signatures3 process4 process5 18 zkR.elf 10->18         started        process6 20 zkR.elf 18->20         started        signatures7 54 Sample tries to kill multiple processes (SIGKILL) 20->54 23 zkR.elf 20->23         started        26 zkR.elf 20->26         started        28 zkR.elf 20->28         started        30 48 other processes 20->30 process8 signatures9 56 Sample tries to kill multiple processes (SIGKILL) 23->56 32 zkR.elf exe 23->32         started        34 zkR.elf exe 26->34         started        36 zkR.elf exe 28->36         started        38 zkR.elf exe 30->38         started        40 zkR.elf exe 30->40         started        42 zkR.elf exe 30->42         started        44 43 other processes 30->44 process10
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2026-06-17 18:56:01 UTC
File Type:
ELF32 Little (Exe)
AV detection:
4 of 36 (11.11%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  6/10
Tags:
antivm defense_evasion discovery
Behaviour
Reads runtime system information
Checks CPU configuration
Enumerates running processes
Reads hardware information
Reads list of loaded kernel modules
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: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 1262b90fc04415d6848d4dfb76bbf84707f2e18ffa7acf8485c32ba99161a39c

(this sample)

  
Delivery method
Distributed via web download

Comments