MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 99f79a2e804f5387eaf38175dc683020a973cb005258b43ec8ead59b5b9b8eba. 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: 13


Intelligence 13 IOCs YARA 7 File information Comments

SHA256 hash: 99f79a2e804f5387eaf38175dc683020a973cb005258b43ec8ead59b5b9b8eba
SHA3-384 hash: 388716de51fb5cb5d223c8899118b872f10893d71ca381d3647b80c5783b59162e77cae27bcc99a8966fc27baf127961
SHA1 hash: a65b332e9dcd1d6ffd9410aa33029f41e512f64c
MD5 hash: 6dc7c725ecaddb802719e55f6ad501ff
humanhash: september-floor-monkey-neptune
File name:zero.armv7l
Download: download sample
Signature Mirai
File size:132'572 bytes
First seen:2026-06-21 02:32:28 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:M9XxZB3oLmpMguHcUlVUHalw7WEuH00sfC6jxFadq/1EEsaf3+TLyWXFaY4verxo:M9XxroLmpMguHcUlVUHalw7WEuH00sft
TLSH T13ED30749ED819B11D4DA22FAFA5E028D335357BCE3EAB102DE145B2133CAA1B0F77552
telfhash t1ee212366fa5005ec7be0934841efa03956ec35b82310268ecf6c638f4642ec1b22dc36
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 a99a1521dafef99ffef64e1456378e03532dd8a61acd90de33e9ec52495e99b1
File size (compressed) :53'368 bytes
File size (de-compressed) :132'572 bytes
Format:linux/arm
Packed file: a99a1521dafef99ffef64e1456378e03532dd8a61acd90de33e9ec52495e99b1

Intelligence


File Origin
# of uploads :
1
# of downloads :
60
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Sends data to a server
Connection attempt
Receives data from a server
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
botnet exploit obfuscated rust
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
30
Number of processes launched:
5
Processes remaning?
false
Remote TCP ports scanned:
not identified
Behaviour
Information Gathering
Botnet C2s
TCP botnet C2(s):
type:Mirai 31.56.209.229:1791
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-06-20T23:39:00Z UTC
Last seen:
2026-06-21T04:43:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Mirai.r
Status:
terminated
Behavior Graph:
%3 guuid=aa29766b-1900-0000-c386-3a55040f0000 pid=3844 /usr/bin/sudo guuid=6de8bf6d-1900-0000-c386-3a550e0f0000 pid=3854 /tmp/sample.bin guuid=aa29766b-1900-0000-c386-3a55040f0000 pid=3844->guuid=6de8bf6d-1900-0000-c386-3a550e0f0000 pid=3854 execve
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-06-21 04:19:21 UTC
AV detection:
29 of 38 (76.32%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:lzrd botnet defense_evasion discovery
Behaviour
Reads runtime system information
Modifies Watchdog functionality
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:ELF_Toriilike_persist
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:MAL_ELF_LNX_Mirai_Oct10_2
Author:Florian Roth (Nextron Systems)
Description:Detects ELF malware Mirai related
Reference:Internal Research
Rule name:MAL_ELF_LNX_Mirai_Oct10_2_RID2F3A
Author:Florian Roth
Description:Detects ELF malware Mirai related
Reference:Internal Research
Rule name:Mirai_Botnet_Malware
Author:Florian Roth (Nextron Systems)
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:Mirai_Botnet_Malware_RID2EF6
Author:Florian Roth
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
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 99f79a2e804f5387eaf38175dc683020a973cb005258b43ec8ead59b5b9b8eba

(this sample)

  
Delivery method
Distributed via web download

Comments