MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4e8f94777b42c157157575c2fc774fe2b559f7febd6eb9ceb91e6f56263342a3. 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: 11


Intelligence 11 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4e8f94777b42c157157575c2fc774fe2b559f7febd6eb9ceb91e6f56263342a3
SHA3-384 hash: 9c7230fff95e0996217a5d7d8a5829b18f73fc71cb68ba8478e44fd15801b2c2eef46cbd899916a4950f8811411205ed
SHA1 hash: 2b10413b503fa66f214483712618085502e42143
MD5 hash: b2de3f2e72477028578860b86259beff
humanhash: mississippi-washington-failed-jig
File name:arm7
Download: download sample
Signature Mirai
Create hunting rule
File size:172'129 bytes
First seen:2025-12-26 20:23:47 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:dtQZH+xahFHltFqBWJSDLN3wly40Gn13+ii9262/M/9f4uimqS7YStQ6:c+xahtltFq+SDlwlL0Gn13+P926iM/9J
TLSH T106F32A46EA418B53C0D21BB9FB9F824533239B24D7E763059928BBF43F4279E4E27605
telfhash t17c311032a225d5276e3088649e2e9bf2012a872262956b73ef37d5dc552b4029516c1f
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
30
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/f8aefea1-fdbc-426f-85c7-a2f3190897ab/
Detection(s):
Unix.Trojan.Mirai-9760303-0
Create hunting rule

Unix.Trojan.Mirai-9858729-0
Create hunting rule

Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gcc mirai rust
Link:
https://www.filescan.io/uploads/694eeeeda7163552ba053579/reports/b1305125-0e0c-42fc-bc9a-854224f85875/overview
Result
Gathering data
Verdict:
Malicious
File Type:
elf.32.le
Detections:
HEUR:Backdoor.Linux.Mirai.b
Link:
https://opentip.kaspersky.com/4e8f94777b42c157157575c2fc774fe2b559f7febd6eb9ceb91e6f56263342a3/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/b5f701e4-f06b-4d2f-a5f2-892a46c6ad35
Behavior Graph:
Download SVG
%3 guuid=69a2e706-2100-0000-0d98-ecef850b0000 pid=2949 /usr/bin/sudo guuid=1108df08-2100-0000-0d98-ecef8b0b0000 pid=2955 /tmp/sample.bin guuid=69a2e706-2100-0000-0d98-ecef850b0000 pid=2949->guuid=1108df08-2100-0000-0d98-ecef8b0b0000 pid=2955 execve
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/585f0a27-4817-4b56-8bef-92b7d7174040
Result
Threat name:
Gafgyt, Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
84 / 100
Link:
https://www.joesandbox.com/analysis/1840039
Signature
Connects to many ports of the same IP (likely port scanning)
Deletes system log files
Manipulation of devices in /dev
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample tries to kill multiple processes (SIGKILL)
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1840039 Sample: arm7.elf Startdate: 26/12/2025 Architecture: LINUX Score: 84 39 91.208.206.49, 47834, 57300, 57302 ALEXHOSTMD unknown 2->39 41 109.202.202.202, 80 INIT7CH Switzerland 2->41 43 2 other IPs or domains 2->43 45 Multi AV Scanner detection for submitted file 2->45 47 Yara detected Gafgyt 2->47 49 Yara detected Mirai 2->49 51 Connects to many ports of the same IP (likely port scanning) 2->51 10 arm7.elf 2->10         started        12 systemd rsyslogd 2->12         started        15 gnome-session-binary sh gnome-shell 2->15         started        17 18 other processes 2->17 signatures3 process4 file5 19 arm7.elf 10->19         started        37 /var/log/kern.log, ASCII 12->37 dropped process6 signatures7 53 Sample deletes itself 19->53 22 arm7.elf 19->22         started        process8 process9 24 arm7.elf 22->24         started        27 arm7.elf 22->27         started        signatures10 55 Manipulation of devices in /dev 24->55 57 Deletes system log files 24->57 29 arm7.elf 24->29         started        31 arm7.elf 24->31         started        33 arm7.elf 24->33         started        35 72 other processes 24->35 59 Sample tries to kill multiple processes (SIGKILL) 27->59 process11
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/4e8f94777b42c157157575c2fc774fe2b559f7febd6eb9ceb91e6f56263342a3
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4e8f94777b42c157157575c2fc774fe2b559f7febd6eb9ceb91e6f56263342a3/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/4e8f94777b42c157157575c2fc774fe2b559f7febd6eb9ceb91e6f56263342a3
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-26 20:24:16 UTC
File Type:
ELF32 Little (Exe)
AV detection:
7 of 36 (19.44%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=j2hzi533ilavoflvoxbpy52p4k2vt576xvxlttvzdzxvmjrtikrq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:mirai defense_evasion discovery
Link:
https://tria.ge/reports/251226-y7jrzsgn4y/
Behaviour
Reads runtime system information
Changes its process name
Enumerates running processes
Deletes Audit logs
Deletes itself
Deletes journal logs
Malware Config
C2 Extraction:
91.208.206.49
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: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:ELF_Toriilike_persist
Create hunting rule
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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 4e8f94777b42c157157575c2fc774fe2b559f7febd6eb9ceb91e6f56263342a3

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3744308/
  
Delivery method
Distributed via web download

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