MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 403b87bedcd04697436d00c3192d023cbe328adb78cd5bdd996bb0105848dc2b. 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: 8


Intelligence 8 IOCs YARA 8 File information Comments

SHA256 hash: 403b87bedcd04697436d00c3192d023cbe328adb78cd5bdd996bb0105848dc2b
SHA3-384 hash: b4eb2e36f8b2fecafe6b56ffdbb4287a5e8bde69ce0842368e77be473bc982e49d6f2abff77dfabdcde696b21a0f7fe9
SHA1 hash: bc66a7af8644985adf5c944a5c690fe0c3b63e9c
MD5 hash: 3daea7cc35c580b6efaa02ec7bd58cb2
humanhash: november-uniform-video-quebec
File name:arm7
Download: download sample
Signature Mirai
File size:214'185 bytes
First seen:2026-04-05 17:59:09 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 6144:wdgyNMaG7FDdGePadwV8nausxs/K8dkxHKQdM/R+zGy:wuyiFdGePaKV8nausOCC5Qm/wzGy
TLSH T1A1243A46AA408B13C4D72BBAFBDF425633339B54D7E723059528AFB43F8679A4F22501
telfhash t1e1311d45d878ca2e69e21bfdcfec47b2191ac71353406e26cf2dc8cc5836402e925cba
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
55
Origin country :
DE DE
Vendor Threat Intelligence
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
DNS request
Runs as daemon
Collects information on the OS
Opens a port
Collects information on the CPU
Launching a process
Substitutes an application name
Traces processes
Gathering data
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
0
Number of processes launched:
0
Processes remaning?
false
Remote TCP ports scanned:
not identified
Behaviour
Anti-Debugging
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-04-05T15:12:00Z UTC
Last seen:
2026-04-05T15:50:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=9760fae8-1700-0000-d7fb-5547430d0000 pid=3395 /usr/bin/sudo guuid=7f62c6ea-1700-0000-d7fb-5547490d0000 pid=3401 /tmp/sample.bin guuid=9760fae8-1700-0000-d7fb-5547430d0000 pid=3395->guuid=7f62c6ea-1700-0000-d7fb-5547490d0000 pid=3401 execve
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-04-05 18:00:26 UTC
File Type:
ELF32 Little (Exe)
AV detection:
12 of 24 (50.00%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
antivm discovery
Behaviour
Reads runtime system information
Changes its process name
Checks CPU configuration
Reads system network configuration
Enumerates active TCP sockets
Traces itself
Unexpected DNS network traffic destination
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_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:ELF_Toriilike_persist
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:F01_s1ckrule
Author:s1ckb017
Rule name:setsockopt
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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
Rule name:vmdetect
Author:nex
Description:Possibly employs anti-virtualization techniques

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf 403b87bedcd04697436d00c3192d023cbe328adb78cd5bdd996bb0105848dc2b

(this sample)

  
Delivery method
Distributed via web download

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