MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f8457bcce4417abca94ccf4e9ffc01e51647a8cd02f8f21d5608419bc3b8d26e. 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: 10


Intelligence 10 IOCs YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f8457bcce4417abca94ccf4e9ffc01e51647a8cd02f8f21d5608419bc3b8d26e
SHA3-384 hash: 439e4fb79f05584adb6c2e441a293c77d2037fe113d2631d9b664da03177461e0674f436c8375fea933cee5fa1d093bd
SHA1 hash: f278e7cfaaa3916e2d08dfded796058f6000320f
MD5 hash: 78341d7c7d5ad77f667f8b282ff6a5db
humanhash: jersey-twenty-carolina-fifteen
File name:mirai.arm
Download: download sample
Signature Mirai
Create hunting rule
File size:99'640 bytes
First seen:2025-12-25 06:35:40 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:Xz8I9gU3bc1JxLEsI75UP7Oh23JPZlABbfxIaF8NtMrkW65JtOoFagYOXUo4avGB:Xz8sgU3bc1AsI2EtL6Ork7Ooc9OkuGB
TLSH T1BAA31851BC929612C6D423B6FA6E018D332663E8D2EF3213CD216F25378A96F0D77652
telfhash t1a851cfaaefb00f8d57d98154918eb4096eed319d1f082896db2db34f44866c2f53d817
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 :
92
Origin country :
DE DE
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Link:
https://research.acce.ciphertechsolutions.com/results/26ecc602-7e9a-49fc-a3e5-34d0fd4e80ab/
Detection(s):
SecuriteInfo.com.Linux.Mirai-63.UNOFFICIAL
Create hunting rule

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:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
botnet masquerade mirai rust
Link:
https://www.filescan.io/uploads/694cdb5fa7163552ba04c7a1/reports/e3cbf974-ac3c-4044-82d8-7e3e4cc51bfb/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-25T04:07:00Z UTC
Last seen:
2025-12-25T04:31:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/f8457bcce4417abca94ccf4e9ffc01e51647a8cd02f8f21d5608419bc3b8d26e/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/97930fc5-1d5b-4454-b31b-0f90a4f4c5d7
Behavior Graph:
Download SVG
%3 guuid=87b9721b-1900-0000-2b01-595379090000 pid=2425 /usr/bin/sudo guuid=8bd5bb1e-1900-0000-2b01-59537d090000 pid=2429 /tmp/sample.bin guuid=87b9721b-1900-0000-2b01-595379090000 pid=2425->guuid=8bd5bb1e-1900-0000-2b01-59537d090000 pid=2429 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b4680c0d-5693-47cf-ad7a-31c3aacef22d
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1839216
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
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1839216 Sample: mirai.arm.elf Startdate: 25/12/2025 Architecture: LINUX Score: 100 73 185.178.227.94 ZGROUP-ASSI Slovenia 2->73 75 128.66.119.172, 23 WINDTRE-ASIT Italy 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 2 other signatures 2->89 10 mirai.arm.elf 2->10         started        12 gdm3 gdm-session-worker 2->12         started        14 systemd accounts-daemon 2->14         started        17 13 other processes 2->17 signatures3 process4 signatures5 19 mirai.arm.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.arm.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.arm.elf sh 25->35         started        37 mirai.arm.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.arm.elf 37->51         started        53 mirai.arm.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/f8457bcce4417abca94ccf4e9ffc01e51647a8cd02f8f21d5608419bc3b8d26e
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f8457bcce4417abca94ccf4e9ffc01e51647a8cd02f8f21d5608419bc3b8d26e/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-25 06:36:17 UTC
File Type:
ELF32 Little (Exe)
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7bcxxtheif5lzkkmz5hj77ab4ulepkgnal4pehkwbbazxq5y2jxa._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai
Link:
https://tria.ge/reports/251225-hc4kxazmgp/
Verdict:
Malicious
Tags:
botnet mirai trojan Unix.Dropper.Mirai-7135868-0
YARA:
MAL_ELF_LNX_Mirai_Oct10_2 Mirai_Botnet_Malware Linux_Trojan_Mirai_0bce98a2
Link:
https://app.threat.zone/submission/024da901-75cb-47b2-b618-e648642efbe8
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/f8457bcce4417abca94ccf4e9ffc01e51647a8cd02f8f21d5608419bc3b8d26e

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:Linux_Generic_Threat_d94e1020
Create hunting rule
Author:Elastic Security
Rule name:Linux_Mirai_Generic
Create hunting rule
Author:albertzsigovits
Description:Generic Approach to Mirai/Gafgyt samples
Rule name:Linux_Trojan_Mirai_0bce98a2
Create hunting rule
Author:Elastic Security
Rule name:MAL_ELF_LNX_Mirai_Oct10_2
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects ELF malware Mirai related
Reference:Internal Research
Rule name:MAL_ELF_LNX_Mirai_Oct10_2_RID2F3A
Create hunting rule
Author:Florian Roth
Description:Detects ELF malware Mirai related
Reference:Internal Research
Rule name:Mirai_Botnet_Malware
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:Mirai_Botnet_Malware_RID2EF6
Create hunting rule
Author:Florian Roth
Description:Detects Mirai Botnet Malware
Reference:Internal Research
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 f8457bcce4417abca94ccf4e9ffc01e51647a8cd02f8f21d5608419bc3b8d26e

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3735507/
  
Delivery method
Distributed via web download

Comments