MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 40df91b940eea28d176edccda20a8e2e4e281eb531254486d4c69af08dd29842. 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 13 File information Comments
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SHA256 hash: 40df91b940eea28d176edccda20a8e2e4e281eb531254486d4c69af08dd29842
SHA3-384 hash: 791b7b0a9922f6ecc194ffe77f664d3824ac4bbc7815ac8697d339a96943a002119a67994c5fa4f3e831b5d277b81f9a
SHA1 hash: c102181fc2f978a2b5a31c0c33c24c2659b743f4
MD5 hash: 5d4b0dba09b8f4ca7f97f559a28f3c56
humanhash: early-hydrogen-bulldog-yellow
File name:morte.arm7
Download: download sample
Signature Mirai
Create hunting rule
File size:196'872 bytes
First seen:2026-07-20 20:39:35 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 6144:bzwCD8W1DCPyalbRblciQsYCKDcerNrye3NwM/9YjGC+:bzwCD8WBCPyalbRblciQD/JByWJ/6je
TLSH T1B6144B46EA418A23C0D7177AB6AF414A3333A7A4D3DB730699286FB43BC675F0E63505
telfhash t1f1312fb1833652186a61cb9c99ecb7b5012cc7031246ff33ef3684ac041944ee53ac0f
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 3f509b8445f1b263397f3d531f478aeb9b046e0ab7582549a622e912a7161fda
File size (compressed) :72'544 bytes
File size (de-compressed) :196'872 bytes
Format:linux/arm
Packed file: 3f509b8445f1b263397f3d531f478aeb9b046e0ab7582549a622e912a7161fda

Intelligence

File Origin
# of uploads :
1
# of downloads :
115
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Link:
https://research.acce.ciphertechsolutions.com/results/dff77548-5c74-4c9e-aca6-eaa05ac3d857/
Detection(s):
Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Mirai-81.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.30435.LC.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-7100807-0
Create hunting rule

Unix.Dropper.Mirai-7135897-0
Create hunting rule

Unix.Dropper.Mirai-7135901-0
Create hunting rule

Unix.Dropper.Mirai-7135909-0
Create hunting rule

Unix.Trojan.Mirai-7135916-0
Create hunting rule

Unix.Dropper.Mirai-7135918-0
Create hunting rule

Unix.Dropper.Mirai-7135925-0
Create hunting rule

Unix.Dropper.Mirai-7135954-0
Create hunting rule

Unix.Dropper.Mirai-7136016-0
Create hunting rule

Unix.Dropper.Mirai-7136028-0
Create hunting rule

Unix.Dropper.Mirai-7139229-0
Create hunting rule

Unix.Trojan.Mirai-8025795-0
Create hunting rule

Unix.Trojan.Mirai-9441505-0
Create hunting rule

Unix.Trojan.Mirai-9760303-0
Create hunting rule

Unix.Dropper.Mirai-10007027-0
Create hunting rule

Unix.Trojan.Mirai-10009361-0
Create hunting rule

Unix.Trojan.Mirai-10011027-0
Create hunting rule

Unix.Trojan.Mirai-10011918-0
Create hunting rule

Unix.Trojan.Mirai-10059006-0
Create hunting rule

Unix.Trojan.Mirai-10059216-0
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YARA.SIGNATURE_BASE_MAL_ARM_LNX_Mirai_Mar13_2022.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Sends data to a server
Connection attempt
Runs as daemon
DNS request
Opens a port
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
botnet gcc masquerade mirai obfuscated rust
Link:
https://www.filescan.io/uploads/6a5e87c9555225497565de37/reports/23f34bcf-8c89-462e-a629-540e17530808/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-07-20T17:37:00Z UTC
Last seen:
2026-07-21T10:36:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/40df91b940eea28d176edccda20a8e2e4e281eb531254486d4c69af08dd29842/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/f52d8d0a-fd79-4b7c-87de-592fb0f73426
Behavior Graph:
Download SVG
%3 guuid=5361efd6-1a00-0000-c3e4-4731f7080000 pid=2295 /usr/bin/sudo guuid=ff8f80da-1a00-0000-c3e4-4731fe080000 pid=2302 /tmp/sample.bin guuid=5361efd6-1a00-0000-c3e4-4731f7080000 pid=2295->guuid=ff8f80da-1a00-0000-c3e4-4731fe080000 pid=2302 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/3b5e0263-8411-450d-8cf2-22a75a2c1d8b
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/40df91b940eea28d176edccda20a8e2e4e281eb531254486d4c69af08dd29842
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/40df91b940eea28d176edccda20a8e2e4e281eb531254486d4c69af08dd29842/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-07-20 20:41:00 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=idpzdoka52ri2f3o3tg2ecuofzhcqhvvgesujbwuy2npbdostbba._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery
Link:
https://tria.ge/reports/260720-zf76yags6y/
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Malware Config
C2 Extraction:
hk3owowwb.zapto.org
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/40df91b940eea28d176edccda20a8e2e4e281eb531254486d4c69af08dd29842

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
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:ELF_Toriilike_persist
Create hunting rule
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_8299c877
Create hunting rule
Author:Elastic Security
Rule name:Linux_Generic_Threat_c19ca8e5
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Create hunting rule
Author:Elastic Security
Rule name:MAL_ARM_LNX_Mirai_Mar13_2022
Create hunting rule
Author:Mehmet Ali Kerimoglu a.k.a. CYB3RMX
Description:Detects new ARM Mirai variant
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:SUSP_XORed_Mozilla_Oct19
Create hunting rule
Author:Florian Roth
Description:Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()
Rule name:SUSP_XORed_Mozilla_RID2DB4
Create hunting rule
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
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 3f509b8445f1b263397f3d531f478aeb9b046e0ab7582549a622e912a7161fda

Mirai

elf 40df91b940eea28d176edccda20a8e2e4e281eb531254486d4c69af08dd29842

(this sample)

  
Dropped by
SHA256 3f509b8445f1b263397f3d531f478aeb9b046e0ab7582549a622e912a7161fda
  
URLhaus
https://urlhaus.abuse.ch/url/3878262/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 1de1a8bdd8806f731beef46446e05388

Comments