MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4a1bedec70d6e42c5eea5989fc2a209c16ec0b799bcf233eed17d86f6af5a22f. 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 6 File information Comments

SHA256 hash: 4a1bedec70d6e42c5eea5989fc2a209c16ec0b799bcf233eed17d86f6af5a22f
SHA3-384 hash: 7145928033472820b79eee387638628b3c4e5768b69bcd0f32effd9c053459c396d58ca295a924468be88f78ec939906
SHA1 hash: 05e6a00dbdd85740f860c480ae71cedf2b3a183d
MD5 hash: 3642287665b2dce5b531e3c9dccc8855
humanhash: emma-autumn-september-hotel
File name:armv5l
Download: download sample
Signature Mirai
File size:150'624 bytes
First seen:2025-07-11 11:02:59 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:fblsVWsmo7lhHay4n3TlQNGwrXfqeVN7XsX4VY0u:fblsVWsmiC35QNGw7fqiNbsX4VH
TLSH T15AE30756F8418A12CAC715BBFF4E428C7B270769D3EE32039D256F6137CB95A0E3A142
telfhash t1402123a18f580edc97e5843ed2deb01963da327f2b061087566eae4f96434c6783482e
TrID 50.1% (.) ELF Executable and Linkable format (Linux) (4022/12)
49.8% (.O) ELF Executable and Linkable format (generic) (4000/1)
Magika elf
Reporter abuse_ch
Tags:elf gafgyt mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
18
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
lolbin obfuscated remote
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
179
Number of processes launched:
7
Processes remaning?
true
Remote TCP ports scanned:
not identified
Behaviour
Persistence
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Status:
terminated
Behavior Graph:
%3 guuid=d27a6898-1a00-0000-af82-5ff3400b0000 pid=2880 /usr/bin/sudo guuid=41822d9a-1a00-0000-af82-5ff3460b0000 pid=2886 /tmp/sample.bin guuid=d27a6898-1a00-0000-af82-5ff3400b0000 pid=2880->guuid=41822d9a-1a00-0000-af82-5ff3460b0000 pid=2886 execve
Result
Threat name:
Gafgyt, Mirai
Detection:
malicious
Classification:
troj.evad
Score:
88 / 100
Signature
Drops files in suspicious directories
Drops invisible ELF files
Found malware configuration
Multi AV Scanner detection for submitted file
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1733735 Sample: armv5l.elf Startdate: 11/07/2025 Architecture: LINUX Score: 88 39 87.121.84.210, 53650, 63644 SKATTV-ASBG Bulgaria 2->39 41 109.202.202.202, 80 INIT7CH Switzerland 2->41 43 3 other IPs or domains 2->43 49 Found malware configuration 2->49 51 Multi AV Scanner detection for submitted file 2->51 53 Yara detected Gafgyt 2->53 55 Yara detected Mirai 2->55 10 armv5l.elf 2->10         started        13 dash rm 2->13         started        15 dash rm 2->15         started        signatures3 process4 signatures5 65 Sample tries to set files in /etc globally writable 10->65 67 Drops files in suspicious directories 10->67 69 Sample tries to persist itself using System V runlevels 10->69 17 armv5l.elf 10->17         started        19 armv5l.elf sh 10->19         started        process6 process7 21 armv5l.elf 17->21         started        25 sh cp 19->25         started        file8 35 /etc/init.d/sysd, POSIX 21->35 dropped 57 Sample tries to set files in /etc globally writable 21->57 59 Drops files in suspicious directories 21->59 61 Sample tries to persist itself using System V runlevels 21->61 27 armv5l.elf sh 21->27         started        29 armv5l.elf 21->29         started        63 Drops invisible ELF files 25->63 signatures9 process10 process11 31 sh cp 27->31         started        file12 37 /usr/bin/.sh, ELF 31->37 dropped 45 Drops invisible ELF files 31->45 47 Drops files in suspicious directories 31->47 signatures13
Threat name:
Linux.Trojan.Gafgyt
Status:
Malicious
First seen:
2025-07-11 11:03:17 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  6/10
Tags:
discovery persistence
Behaviour
Reads runtime system information
Writes file to tmp directory
Changes its process name
Enumerates running processes
Modifies init.d
Modifies rc script
Write file to user bin folder
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:ach_202503_elf_Mirai
Author:abuse.ch
Description:Detects Mirai 'TSource' ELF files
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_d94e1020
Author:Elastic Security
Rule name:setsockopt
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:testlumma
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 4a1bedec70d6e42c5eea5989fc2a209c16ec0b799bcf233eed17d86f6af5a22f

(this sample)

  
Delivery method
Distributed via web download

Comments