MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 87b1ef0803a5dfc4497db7f51882408af3b8680fed7dbcbe068a392d9c02ed5b. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 87b1ef0803a5dfc4497db7f51882408af3b8680fed7dbcbe068a392d9c02ed5b
SHA3-384 hash: 87ee3b65ea0f1d4e730a2ccef483b849fa63df7b7d7bd785f493410da6bb95f87f6f1e860eadae7996ea5cf9dcd30a3d
SHA1 hash: 133a1c4de955dbf25f9577cf0bb32e2ab6c81e90
MD5 hash: 6fe4c3bcbbfc9f7c58bf4306ec17b356
humanhash: juliet-chicken-sad-pizza
File name:armv7l
Download: download sample
Signature Mirai
Create hunting rule
File size:132'984 bytes
First seen:2025-07-27 05:27:28 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:FBnJkUW8LQouHaoJE07RaqRr1iXHRK/atS/o0PNI/s5CVN8Otl6:FBnJkUW8LaHaeT7RaO1iXw/atS/o0PNT
TLSH T172D3F649FD41AB11D9D636FAFE0E41897393176CE3FE7102AE245B2127CAA5B0F76402
telfhash t106312319db14199c3bd5816681adb12be7fa35c88b213546da3d6b5ed312c82b01c83b
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
24
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Receives data from a server
Creating a file
Runs as daemon
Sets a written file as executable
Kills processes
Sends data to a server
Connection attempt
Substitutes an application name
Creates or modifies files in /init.d to set up autorun
Deleting of the original file
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
rust
Link:
https://www.filescan.io/uploads/6885b8f713488cfd44da0d10/reports/3677e146-0811-487d-b6c3-dc044ac33f5a/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
197
Number of processes launched:
4
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/87b1ef0803a5dfc4497db7f51882408af3b8680fed7dbcbe068a392d9c02ed5b
Behaviour
Persistence
Process Renaming
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/926fbf29-27a6-4b9e-906b-c8920eb5d157
Behavior Graph:
Download SVG
%3 guuid=db981dbe-1600-0000-6a4f-880a980c0000 pid=3224 /usr/bin/sudo guuid=5355fabf-1600-0000-6a4f-880a9f0c0000 pid=3231 /tmp/sample.bin guuid=db981dbe-1600-0000-6a4f-880a980c0000 pid=3224->guuid=5355fabf-1600-0000-6a4f-880a9f0c0000 pid=3231 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/dcaaff51-4fb1-4806-9ccd-a3185f965823
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
92 / 100
Link:
https://www.joesandbox.com/analysis/1744836
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Drops files in suspicious directories
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample tries to set files in /etc globally writable
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1744836 Sample: armv7l.elf Startdate: 27/07/2025 Architecture: LINUX Score: 92 29 89.116.20.194, 7074 LRTC-ASLT Lithuania 2->29 31 109.202.202.202, 80 INIT7CH Switzerland 2->31 33 3 other IPs or domains 2->33 35 Antivirus detection for dropped file 2->35 37 Antivirus / Scanner detection for submitted sample 2->37 39 Multi AV Scanner detection for submitted file 2->39 41 Yara detected Mirai 2->41 9 armv7l.elf 2->9         started        11 systemd journalctl 2->11         started        13 systemd systemd-journald 2->13         started        15 14 other processes 2->15 signatures3 process4 process5 17 armv7l.elf 9->17         started        process6 19 armv7l.elf 17->19         started        file7 25 /var/main, ELF 19->25 dropped 27 /etc/init.d/xs.main, POSIX 19->27 dropped 43 Sample tries to set files in /etc globally writable 19->43 45 Drops files in suspicious directories 19->45 47 Sample deletes itself 19->47 23 armv7l.elf 19->23         started        signatures8 process9
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/87b1ef0803a5dfc4497db7f51882408af3b8680fed7dbcbe068a392d9c02ed5b
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/87b1ef0803a5dfc4497db7f51882408af3b8680fed7dbcbe068a392d9c02ed5b/
Verdict:
Malicious
Threat:
HEUR:Backdoor.Linux.Gafgyt
Link:
https://tip.neiki.dev/file/87b1ef0803a5dfc4497db7f51882408af3b8680fed7dbcbe068a392d9c02ed5b
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-07-27 05:28:24 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 23 (60.87%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=q6y66caduxp4isl5w72rrasarlz3q2ap5v63zpqgri4s3hac5vnq._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery persistence
Link:
https://tria.ge/reports/250727-f57f6afr2v/
Behaviour
Reads runtime system information
Changes its process name
Enumerates running processes
Modifies init.d
Deletes itself
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/ae507007-6426-4b3f-a89a-f5dfcc5c4ef9
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/87b1ef0803a5dfc4497db7f51882408af3b8680fed7dbcbe068a392d9c02ed5b

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_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
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 87b1ef0803a5dfc4497db7f51882408af3b8680fed7dbcbe068a392d9c02ed5b

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3587294/
  
Delivery method
Distributed via web download

Comments