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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7b8e82e17d4c7f631287ba67bd2ff7ce8bc74a7af5026cb759d64a5adba11d64. 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 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7b8e82e17d4c7f631287ba67bd2ff7ce8bc74a7af5026cb759d64a5adba11d64
SHA3-384 hash: 108979101e36ebea9136804d4e732ae8ec0ff34b7f22052d264e59e3e650be58aa38741066263a0102d776dacab22008
SHA1 hash: cc22968d745f1242781b7faa6539fd4c5b35e6af
MD5 hash: 6f7a5d0d6cf07c0ccf78394f44bc9e4c
humanhash: robin-twenty-friend-nineteen
File name:5bf1cb4f1d278957.bin
Download: download sample
Signature Mirai
Create hunting rule
File size:266'516 bytes
First seen:2026-10-13 21:24:28 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 6144:MpHLpFe+6O7dRDbf6CcBznWzn1J5qFKwbk91spFj:MprVnf6CMznWb1J5qF/1
TLSH T1ED44A41E6A328F7DF3788B3447F74B30A75D22D616E1D684E1ACD1141E2425E682FBAC
telfhash t1b251c4a8097807b492456c5d45ddff2ac5e714ef3e1a2c339a50e42de762f838c28d09
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 5bf1cb4f1d278957814b3c6eee023daae80efc962aee9a6c7648ba1fde738fe0
File size (compressed) :84'564 bytes
File size (de-compressed) :266'516 bytes
Format:linux/mips
Packed file: 5bf1cb4f1d278957814b3c6eee023daae80efc962aee9a6c7648ba1fde738fe0

Intelligence

File Origin
# of uploads :
1
# of downloads :
103
Origin country :
NL NL
Vendor Threat Intelligence
No detections
Detection(s):
SecuriteInfo.com.Linux.Mirai-58.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-10060415-0
Create hunting rule

Unix.Trojan.Mirai-8041698-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Sets a file as executable
Sends data to a server
Manages services
Collects information on the CPU
Kills processes
Locks files
Collects information on the RAM
Receives data from a server
Creating a file
Connection attempt
Sets a written file as executable
Runs as daemon
Writes files to system subdirectory
Substitutes an application name
Creates or modifies files in /cron to set up autorun
Kills critical processes
Deleting of the original file
Creates or modifies files in /init.d to set up autorun
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
bash lolbin masquerade
Link:
https://www.filescan.io/uploads/6acea1c1501f2f668979ddf3/reports/74c92727-2fd1-435d-8fbe-eab40cf6c37b/overview
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2026-10-10T12:21:00Z UTC
Last seen:
2026-10-13T20:58:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/7b8e82e17d4c7f631287ba67bd2ff7ce8bc74a7af5026cb759d64a5adba11d64/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/3d36d6ea-f06b-4881-8ac1-a275d50742a4
Behavior Graph:
Download SVG
%3 guuid=4f61d5b0-1b00-0000-9688-f34807090000 pid=2311 /usr/bin/sudo guuid=6a8bfeb3-1b00-0000-9688-f3480e090000 pid=2318 /tmp/sample.bin guuid=4f61d5b0-1b00-0000-9688-f34807090000 pid=2311->guuid=6a8bfeb3-1b00-0000-9688-f3480e090000 pid=2318 execve guuid=6d1c2bb5-1b00-0000-9688-f34812090000 pid=2322 /usr/bin/dash guuid=6a8bfeb3-1b00-0000-9688-f3480e090000 pid=2318->guuid=6d1c2bb5-1b00-0000-9688-f34812090000 pid=2322 clone guuid=268d60b5-1b00-0000-9688-f34814090000 pid=2324 /usr/bin/dash guuid=6a8bfeb3-1b00-0000-9688-f3480e090000 pid=2318->guuid=268d60b5-1b00-0000-9688-f34814090000 pid=2324 clone guuid=a8d79db5-1b00-0000-9688-f34815090000 pid=2325 /usr/bin/dash guuid=6a8bfeb3-1b00-0000-9688-f3480e090000 pid=2318->guuid=a8d79db5-1b00-0000-9688-f34815090000 pid=2325 clone
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/92f2568c-035a-4671-a1e3-95b7cdda06ca
Result
Threat name:
Gafgyt, Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad.mine
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1986754
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Drops invisible ELF files
Found malware configuration
Found strings related to Crypto-Mining
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample tries to persist itself using cron
Sample tries to persist itself using System V runlevels
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1986754 Sample: 5bf1cb4f1d278957.bin.elf Startdate: 13/10/2026 Architecture: LINUX Score: 100 57 83.168.69.95, 43132, 43134, 43136 SKYPASS-ASPL Poland 2->57 59 169.254.169.254, 80 USDOS-USDepartmentofStateUS ZZ 2->59 61 daisy.ubuntu.com 2->61 63 Found malware configuration 2->63 65 Antivirus detection for dropped file 2->65 67 Antivirus / Scanner detection for submitted sample 2->67 69 3 other signatures 2->69 11 5bf1cb4f1d278957.bin.elf 2->11         started        14 systemd snapd-env-generator 2->14         started        16 systemd snapd-env-generator 2->16         started        18 python3.8 dpkg 2->18         started        signatures3 process4 signatures5 79 Found strings related to Crypto-Mining 11->79 20 5bf1cb4f1d278957.bin.elf 11->20         started        process6 process7 22 5bf1cb4f1d278957.bin.elf 20->22         started        signatures8 71 Sample deletes itself 22->71 25 5bf1cb4f1d278957.bin.elf 22->25         started        29 5bf1cb4f1d278957.bin.elf 22->29         started        31 5bf1cb4f1d278957.bin.elf 22->31         started        33 5bf1cb4f1d278957.bin.elf 22->33         started        process9 file10 51 /usr/lib/systemd/.system-helper, ELF 25->51 dropped 53 /etc/rc.local, ASCII 25->53 dropped 55 /etc/cron.d/killer-helper, ASCII 25->55 dropped 73 Drops invisible ELF files 25->73 75 Sample tries to persist itself using cron 25->75 77 Sample tries to persist itself using System V runlevels 25->77 35 5bf1cb4f1d278957.bin.elf sh 25->35         started        37 5bf1cb4f1d278957.bin.elf sh 29->37         started        39 5bf1cb4f1d278957.bin.elf iptables 29->39         started        41 5bf1cb4f1d278957.bin.elf iptables-restore 29->41         started        43 3 other processes 29->43 signatures11 process12 process13 45 sh systemctl 35->45         started        47 sh systemctl 35->47         started        49 sh journalctl 37->49         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/7b8e82e17d4c7f631287ba67bd2ff7ce8bc74a7af5026cb759d64a5adba11d64
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/7b8e82e17d4c7f631287ba67bd2ff7ce8bc74a7af5026cb759d64a5adba11d64/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-10-10 16:30:47 UTC
File Type:
ELF32 Big (Exe)
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=pohifyl5jr7wgeuhxjt32l7xz2f4ost26ubgzn2z2zffvw5bdvsa._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
antivm defense_evasion discovery execution persistence privilege_escalation
Link:
https://tria.ge/reports/261013-z9rfaacv2p/
Behaviour
Command and Scripting Interpreter: Unix Shell
Enumerates kernel/hardware configuration
Reads runtime system information
System Network Configuration Discovery
Changes its process name
Checks CPU configuration
Reads system network configuration
Creates/modifies Cron job
Deletes log files
Enumerates active TCP sockets
Enumerates running processes
Modifies rc script
Modifies systemd
Deletes itself
Deletes system logs
Modifies the /etc/hosts DNS resolution file
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/7b8e82e17d4c7f631287ba67bd2ff7ce8bc74a7af5026cb759d64a5adba11d64

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:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:ELF_Toriilike_persist
Create hunting rule
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:enterpriseapps2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:test_rule_vldslv
Create hunting rule
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
Rule name:unixredflags3
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags
Rule name:virustotal
Create hunting rule
Author:Tracel

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf 5bf1cb4f1d278957814b3c6eee023daae80efc962aee9a6c7648ba1fde738fe0

Mirai

elf 7b8e82e17d4c7f631287ba67bd2ff7ce8bc74a7af5026cb759d64a5adba11d64

(this sample)

  
Dropped by
SHA256 5bf1cb4f1d278957814b3c6eee023daae80efc962aee9a6c7648ba1fde738fe0
  
Dropped by
MD5 28a4a757b6dbfd0218412acc4bf2b59e

Comments