MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a7fcdd12a70d4b11d6fb1ba82f44c6d99a2d5140c4652b46a28d71dffb63df64. 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: 12


Intelligence 12 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a7fcdd12a70d4b11d6fb1ba82f44c6d99a2d5140c4652b46a28d71dffb63df64
SHA3-384 hash: aff68243bad63bfb8096d15e2e4bc92f08d7dd14ada1bbe476ec1d10efc870261b5236777350c58a74a6ff01cee859ce
SHA1 hash: a7fedb6841beaf925ddf5f12e6b0753278524d76
MD5 hash: 4b832f5b82755a18cc1207337d73c541
humanhash: indigo-vegan-jig-ohio
File name:arm7
Download: download sample
Signature Mirai
Create hunting rule
File size:112'412 bytes
First seen:2025-09-07 02:34:34 UTC
Last seen:2025-09-07 18:41:40 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:na2l85AIvM6gLO6JpacdlLciLKvyOpzfhMBPLm4PbQX:nawb8M6pIpacdlLciLKq+OBTDPbQX
TLSH T15AB32A46A9819F12D4D231BAFBAE414933136FBCD3EA7101DD20AF5427CA9DB0E77612
telfhash t162e02614df9c8ac89ff1d4c165ee925647ec71f63a161c435fe5d4aec600690b429019
Magika elf
Reporter abuse_ch
Tags:elf Hailbot mirai

Intelligence

File Origin
# of uploads :
2
# of downloads :
40
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.31076.LX.BOT.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Siggen.9999-1.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-9441505-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Sends data to a server
Creating a file
Receives data from a server
Connection attempt
DNS request
Runs as daemon
Substitutes an application name
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
android expand gcc lolbin mirai rust threat
Link:
https://www.filescan.io/uploads/68bcef3fa64010de766ee830/reports/0b108630-9cd3-4207-9766-980ceb0e7268/overview
Verdict:
Malicious
Uses P2P?:
true
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
10
Number of processes launched:
8
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/a7fcdd12a70d4b11d6fb1ba82f44c6d99a2d5140c4652b46a28d71dffb63df64
Behaviour
Process Renaming
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-09-06T22:59:00Z UTC
Last seen:
2025-09-06T22:59:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/a7fcdd12a70d4b11d6fb1ba82f44c6d99a2d5140c4652b46a28d71dffb63df64/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/518164cc-b527-469b-9e1b-20e23565cfc4
Behavior Graph:
Download SVG
%3 guuid=b133ef74-1900-0000-74f1-561f67130000 pid=4967 /usr/bin/sudo guuid=a66ffc76-1900-0000-74f1-561f70130000 pid=4976 /tmp/sample.bin guuid=b133ef74-1900-0000-74f1-561f67130000 pid=4967->guuid=a66ffc76-1900-0000-74f1-561f70130000 pid=4976 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c3ca8e24-a0b6-41ea-aed4-163598d470ed
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1772519
Signature
Connects to many ports of the same IP (likely port scanning)
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Sample reads /proc/mounts (often used for finding a writable filesystem)
Suricata IDS alerts for network traffic
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1772519 Sample: arm7.elf Startdate: 07/09/2025 Architecture: LINUX Score: 68 27 mdw7.xyz 2->27 29 mdw7.xyz 195.96.129.57, 19847, 59696 UTA-ASAT unknown 2->29 31 2 other IPs or domains 2->31 33 Suricata IDS alerts for network traffic 2->33 35 Multi AV Scanner detection for submitted file 2->35 37 Connects to many ports of the same IP (likely port scanning) 2->37 8 arm7.elf 2->8         started        10 python3.8 dpkg 2->10         started        12 python3.8 dpkg 2->12         started        signatures3 39 Performs DNS queries to domains with low reputation 27->39 process4 process5 14 arm7.elf 8->14         started        17 arm7.elf 8->17         started        19 arm7.elf 8->19         started        21 arm7.elf 8->21         started        signatures6 41 Sample reads /proc/mounts (often used for finding a writable filesystem) 14->41 23 arm7.elf 14->23         started        25 arm7.elf 14->25         started        process7
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/a7fcdd12a70d4b11d6fb1ba82f44c6d99a2d5140c4652b46a28d71dffb63df64
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a7fcdd12a70d4b11d6fb1ba82f44c6d99a2d5140c4652b46a28d71dffb63df64/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-09-07 03:14:33 UTC
AV detection:
18 of 38 (47.37%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=u76n2evhbvfrdvx3douc6rgg3gnc2ukayrsswrvcrvy5763d35sa._file
Result
Malware family:
hailbot
Create hunting rule
Score:
  10/10
Tags:
family:hailbot
Link:
https://tria.ge/reports/250907-c3djhsaq7z/
Behaviour
Changes its process name
Renames itself
Unexpected DNS network traffic destination
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-9441505-0
YARA:
n/a
Link:
https://app.threat.zone/submission/178ee928-a7ce-49e8-bcb9-aa3588b826f6
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/a7fcdd12a70d4b11d6fb1ba82f44c6d99a2d5140c4652b46a28d71dffb63df64

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:ach_202412_elf_hailbot
Create hunting rule
Author:abuse.ch
Description:Detects HailBot ELF files
Rule name:CP_AllMal_Detector
Create hunting rule
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_8299c877
Create hunting rule
Author:Elastic Security
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 a7fcdd12a70d4b11d6fb1ba82f44c6d99a2d5140c4652b46a28d71dffb63df64

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3615229/
  
Delivery method
Distributed via web download

Comments