MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a4977443c1962ad95b4e8c035fd7dc7476690b86413fe9f882083fdde2952e3a. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a4977443c1962ad95b4e8c035fd7dc7476690b86413fe9f882083fdde2952e3a
SHA3-384 hash: 71a077504c9dec186e42a780f63d6525096b2adfc2306caa5e3f47a2f1af5d1540b6dba8da39a2489e4d7282c70d6fb9
SHA1 hash: bb70b5a415e2b62102d0d28de622be71671186fc
MD5 hash: 43e3be42e6ae56ff5e446d39248a3a74
humanhash: nuts-robert-yellow-asparagus
File name:data.arm7
Download: download sample
Signature Mirai
Create hunting rule
File size:553'924 bytes
First seen:2026-01-05 00:38:44 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 6144:5JQOT5jLUqBhlt6F2n621nBsPT0eAS+vWW2Wod6mjS8mJey7bB3GBgUgpZ6mp9:56KUqXtT1OJ8ey7VWVgpZ6mp9
TLSH T1A9C45C59F8409F91CAD529B6F65D929C33070B79C3EAB20799245B343BC78AB0F3E641
telfhash t12e31f15adb6c2adcd7d58380019ab05d86ee365e2b1035d9ce18279f8883d81b19dc3b
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
115
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Unix.Trojan.Mirai-10058414-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Kills processes
Sends data to a server
Launching a process
Creating a file in the %temp% directory
Receives data from a server
Sets a written file as executable
Runs as daemon
DNS request
Substitutes an application name
Creates or modifies symbolic links in /init.d to set up autorun
Creates or modifies files in /init.d to set up autorun
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
gcc masquerade mirai rust
Link:
https://www.filescan.io/uploads/695b0834127d6a14e0cfcf0d/reports/f828d998-0e3e-42d0-b247-81556228ae8f/overview
Verdict:
Unknown
File Type:
elf.32.le
Link:
https://opentip.kaspersky.com/a4977443c1962ad95b4e8c035fd7dc7476690b86413fe9f882083fdde2952e3a/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/cd3b160b-aa25-460d-bcde-5a6f6a549de6
Behavior Graph:
Download SVG
%3 guuid=17263e7f-1900-0000-b2fa-f10fb6090000 pid=2486 /usr/bin/sudo guuid=7d05fb80-1900-0000-b2fa-f10fbc090000 pid=2492 /tmp/sample.bin guuid=17263e7f-1900-0000-b2fa-f10fb6090000 pid=2486->guuid=7d05fb80-1900-0000-b2fa-f10fbc090000 pid=2492 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/78151a2a-24d5-410d-bc09-06a3f1a54677
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1844596
Signature
Drops files in suspicious directories
Executes the "iptables" command to insert, remove and/or manipulate rules
Reads system files that contain records of logged in users
Sample tries to kill multiple processes (SIGKILL)
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: 1844596 Sample: data.arm7.elf Startdate: 05/01/2026 Architecture: LINUX Score: 64 55 cyber-reborn.com 130.12.180.108, 25565, 50390 DATAHOPDatahop-SixDegreesGB Canada 2->55 10 data.arm7.elf 2->10         started        12 systemd accounts-daemon 2->12         started        15 gnome-session-binary sh gsd-keyboard 2->15         started        17 7 other processes 2->17 process3 signatures4 19 data.arm7.elf 10->19         started        67 Reads system files that contain records of logged in users 12->67 21 accounts-daemon language-validate 12->21         started        process5 process6 23 data.arm7.elf 19->23         started        27 language-validate language-options 21->27         started        file7 53 /etc/init.d/sysd, POSIX 23->53 dropped 61 Sample tries to set files in /etc globally writable 23->61 63 Drops files in suspicious directories 23->63 65 Sample tries to persist itself using System V runlevels 23->65 29 data.arm7.elf 23->29         started        31 data.arm7.elf sh 23->31         started        33 language-options sh 27->33         started        signatures8 process9 process10 35 data.arm7.elf sh 29->35         started        37 data.arm7.elf sh 29->37         started        39 data.arm7.elf 29->39         started        42 sh cp 31->42         started        44 sh locale 33->44         started        46 sh grep 33->46         started        signatures11 48 sh iptables 35->48         started        51 sh iptables 37->51         started        59 Sample tries to kill multiple processes (SIGKILL) 39->59 process12 signatures13 57 Executes the "iptables" command to insert, remove and/or manipulate rules 48->57
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/a4977443c1962ad95b4e8c035fd7dc7476690b86413fe9f882083fdde2952e3a
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a4977443c1962ad95b4e8c035fd7dc7476690b86413fe9f882083fdde2952e3a/
Threat name:
Linux.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2026-01-05 00:39:22 UTC
File Type:
ELF32 Little (Exe)
AV detection:
6 of 24 (25.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uslxiq6bsyvnsw2orqbv7v64or3gsc4gie76t6ecba753yuvfy5a._file
Result
Malware family:
n/a
Score:
  6/10
Tags:
credential_access discovery persistence
Link:
https://tria.ge/reports/260105-azzapsgp5w/
Behaviour
Reads runtime system information
Writes file to tmp directory
Changes its process name
Reads system network configuration
Reads process memory
Enumerates active TCP sockets
Enumerates running processes
Modifies init.d
Modifies rc script
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/85fefd6f-c0d8-4482-92e3-bd93c7977656
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/a4977443c1962ad95b4e8c035fd7dc7476690b86413fe9f882083fdde2952e3a

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: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: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 a4977443c1962ad95b4e8c035fd7dc7476690b86413fe9f882083fdde2952e3a

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3746582/
  
Delivery method
Distributed via web download

Comments