MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8b57daeabd2b0084718b22434beeef65150f6602ce87cff07a840e646541dd18. 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: 9


Intelligence 9 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8b57daeabd2b0084718b22434beeef65150f6602ce87cff07a840e646541dd18
SHA3-384 hash: 4f4ee7a123d20cc2a158bf0ff10a75798b133d249ed725942cd03d4ebbb36f68e672d8db24e857df0f027bf0787487c3
SHA1 hash: 80231e5f74cd482f94ab6fd5dee203e38291c04b
MD5 hash: 33037dbcc99223f80c8bd660f5f065ac
humanhash: zebra-purple-arizona-lake
File name:mirai.gnueabihf
Download: download sample
Signature Mirai
Create hunting rule
File size:416'252 bytes
First seen:2025-12-25 05:44:56 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 12288:AYYBpGHjVqbE6BHIiTKV9VXBU48pRM8/8:AnGKSiT
TLSH T10294E09AF7162E46C8D7893858C5C286974DE55B33F393863A03597B382E7378F28385
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
35
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Unix.Dropper.Mirai-7135868-0
Create hunting rule

Unix.Dropper.Mirai-7135891-0
Create hunting rule

Unix.Dropper.Mirai-7135892-0
Create hunting rule

Unix.Dropper.Mirai-7136034-0
Create hunting rule

Unix.Trojan.Mirai-10027280-0
Create hunting rule

Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gafgyt mirai
Link:
https://www.filescan.io/uploads/694ccf72e126b9ff4390ba26/reports/b1e7d19f-97d8-4147-8057-eb2ddc5589e4/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-25T03:20:00Z UTC
Last seen:
2025-12-25T04:37:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/8b57daeabd2b0084718b22434beeef65150f6602ce87cff07a840e646541dd18/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/f5179701-581e-4377-8411-bda674252863
Behavior Graph:
Download SVG
%3 guuid=a0d25475-1900-0000-e27b-c1a685080000 pid=2181 /usr/bin/sudo guuid=88266678-1900-0000-e27b-c1a690080000 pid=2192 /tmp/sample.bin guuid=a0d25475-1900-0000-e27b-c1a685080000 pid=2181->guuid=88266678-1900-0000-e27b-c1a690080000 pid=2192 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/2bed1962-43d8-48ea-97dc-30b1547ea3e7
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1839192
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Drops files in suspicious directories
Drops invisible ELF files
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Reads system files that contain records of logged in users
Sample deletes itself
Sample reads /proc/mounts (often used for finding a writable filesystem)
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1839192 Sample: mirai.gnueabihf.elf Startdate: 25/12/2025 Architecture: LINUX Score: 100 73 115.86.248.244, 23 YBNTV-AS-KRLGHelloVisionCorpKR Korea Republic of 2->73 75 207.14.77.220, 2323 WCENTRALNUS United States 2->75 77 98 other IPs or domains 2->77 83 Malicious sample detected (through community Yara rule) 2->83 85 Antivirus detection for dropped file 2->85 87 Antivirus / Scanner detection for submitted sample 2->87 89 Multi AV Scanner detection for submitted file 2->89 10 mirai.gnueabihf.elf 2->10         started        12 gdm3 gdm-session-worker 2->12         started        14 systemd accounts-daemon 2->14         started        17 12 other processes 2->17 signatures3 process4 signatures5 19 mirai.gnueabihf.elf 10->19         started        21 gdm-session-worker gdm-x-session 12->21         started        103 Reads system files that contain records of logged in users 14->103 23 accounts-daemon language-validate 14->23         started        process6 process7 25 mirai.gnueabihf.elf 19->25         started        29 gdm-x-session dbus-daemon 21->29         started        31 gdm-x-session Xorg Xorg.wrap Xorg 21->31         started        33 language-validate language-options 23->33         started        file8 69 /etc/init.d/sysd, POSIX 25->69 dropped 93 Sample tries to set files in /etc globally writable 25->93 95 Drops files in suspicious directories 25->95 97 Sample deletes itself 25->97 99 Sample tries to persist itself using System V runlevels 25->99 35 mirai.gnueabihf.elf sh 25->35         started        37 mirai.gnueabihf.elf 25->37         started        101 Sample reads /proc/mounts (often used for finding a writable filesystem) 29->101 41 dbus-daemon 29->41         started        43 Xorg sh 31->43         started        45 language-options sh 33->45         started        signatures9 process10 file11 47 sh cp 35->47         started        63 /usr/bin/wget, POSIX 37->63 dropped 65 /usr/bin/tftp, POSIX 37->65 dropped 67 /usr/bin/curl, POSIX 37->67 dropped 91 Drops files in suspicious directories 37->91 51 mirai.gnueabihf.elf 37->51         started        53 mirai.gnueabihf.elf 37->53         started        55 dbus-daemon false 41->55         started        57 sh xkbcomp 43->57         started        59 sh locale 45->59         started        61 sh grep 45->61         started        signatures12 process13 file14 71 /usr/bin/.sh, ELF 47->71 dropped 79 Drops invisible ELF files 47->79 81 Drops files in suspicious directories 47->81 signatures15
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/8b57daeabd2b0084718b22434beeef65150f6602ce87cff07a840e646541dd18
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8b57daeabd2b0084718b22434beeef65150f6602ce87cff07a840e646541dd18/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-25 05:45:32 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rnl5v2v5fmaii4mlejbux3xpmukq6zqcz2d474d2qqhgizkb3uma._file
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery persistence
Link:
https://tria.ge/reports/251225-gf3mcafj7w/
Behaviour
Reads runtime system information
Changes its process name
Reads system network configuration
Creates a large amount of network flows
Enumerates active TCP sockets
Enumerates running processes
Modifies init.d
Modifies rc script
Write file to user bin folder
Writes file to system bin folder
Deletes itself
Contacts a large (7577) amount of remote hosts
Verdict:
Malicious
Tags:
trojan mirai Unix.Dropper.Mirai-7135868-0
YARA:
Linux_Trojan_Mirai_0bce98a2
Link:
https://app.threat.zone/submission/8bedffd4-7b8c-4056-92ac-111d89260be8
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.64
Link:
https://yomi.yoroi.company/submissions/8b57daeabd2b0084718b22434beeef65150f6602ce87cff07a840e646541dd18

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:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:enterpriseunix2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise UNIX
Rule name:F01_s1ckrule
Create hunting rule
Author:s1ckb017
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Mirai_0bce98a2
Create hunting rule
Author:Elastic Security
Rule name:malwareelf55503
Create hunting rule
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 8b57daeabd2b0084718b22434beeef65150f6602ce87cff07a840e646541dd18

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3735496/
  
Delivery method
Distributed via web download

Comments