MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 291e94536e1060efec9f17de3139c6b7e87da56a3a7097cd4931fcf35b33ccc7. 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 3 File information Comments

SHA256 hash: 291e94536e1060efec9f17de3139c6b7e87da56a3a7097cd4931fcf35b33ccc7
SHA3-384 hash: 8ca7a8a4d84a0ffc70767b573c079a1eda333c07c519676cd99c885ffecc523136b0635dcaee3dbfa0fb441183ff6ef9
SHA1 hash: f8aac27081adba0915630dd23bacb000cf59bf99
MD5 hash: cb5afb83ef10be7db07ad44d04d5c109
humanhash: alabama-seventeen-florida-berlin
File name:armv7l
Download: download sample
Signature Mirai
File size:146'036 bytes
First seen:2025-08-31 13:52:00 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:B6M2sClM0BhrR8pBzwgm/+3p1MC8sJhIavrqwDzkAEAg8u0tzzFjHAF79OxL:B6M2sClM0Bh98pBEgmi2ChHIavr5Dzkw
TLSH T17AE3F749ED42AF00D9D636FAFE4E428973531BACE3FE71129E245B2127CA91B0F76501
telfhash t165210124ce851dace3c0955d81ae321b7efd35a9b9673d81973e198f8e534c0b02dc16
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
44
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
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:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
lolbin obfuscated remote threat
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
288
Number of processes launched:
4
Processes remaning?
true
Remote TCP ports scanned:
not identified
Behaviour
Persistence
Process Renaming
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Unknown
File Type:
elf.32.le
First seen:
2025-08-31T12:42:00Z UTC
Last seen:
2025-08-31T12:42:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=3e2425a5-1900-0000-b3ed-d54d540b0000 pid=2900 /usr/bin/sudo guuid=e3e5d3a6-1900-0000-b3ed-d54d5a0b0000 pid=2906 /tmp/sample.bin guuid=3e2425a5-1900-0000-b3ed-d54d540b0000 pid=2900->guuid=e3e5d3a6-1900-0000-b3ed-d54d5a0b0000 pid=2906 execve
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
92 / 100
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1768487 Sample: armv7l.elf Startdate: 31/08/2025 Architecture: LINUX Score: 92 29 169.254.169.254, 80 USDOSUS Reserved 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 dash rm 2->11         started        13 dash rm 2->13         started        15 python3.8 dpkg 2->15         started        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
Threat name:
Linux.Exploit.Mirai
Status:
Malicious
First seen:
2025-08-31 13:53:19 UTC
File Type:
ELF32 Little (Exe)
AV detection:
10 of 36 (27.78%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery persistence
Behaviour
Reads runtime system information
Changes its process name
Enumerates running processes
Modifies init.d
Deletes itself
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_AllMal_Detector
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:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:unixredflags3
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 291e94536e1060efec9f17de3139c6b7e87da56a3a7097cd4931fcf35b33ccc7

(this sample)

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