MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b1e41fa3d64a2287513da472a2d68d186b71c4cfc26a083220a4d7e9619c2d37. 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 10 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b1e41fa3d64a2287513da472a2d68d186b71c4cfc26a083220a4d7e9619c2d37
SHA3-384 hash: cd6204aafcd12007dced4eed131b242105dcf1d61447b017c3be230a731c9ee1a39a7c8e679caabfe90b491dea084f89
SHA1 hash: f693ffd85cf656ca9e76c28555685e838f7fd5d0
MD5 hash: 377f3096bd020037073555243ad980e0
humanhash: spaghetti-hawaii-march-high
File name:Space.mips
Download: download sample
Signature Mirai
Create hunting rule
File size:113'676 bytes
First seen:2026-06-01 13:59:47 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:6uhTc/oMcjriXBsELWCHcFBZ0Md646NfmOfurZao5ZIU:6uh8cjriXBXHEBZ0Md64YerdrZIU
TLSH T1B4B3B50D7E219F7DFAE8C23447B74E20A65927D627E2C685D2ACD6011E7024E341FFA9
telfhash t113218b184a3823e097755c8d6bdeffb6e59130ef0a265e378e10f8ad6a6dd429c00c1c
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 73b672c53979619a86ecec82ee943c126049c4027de295bdd0b47cd407f40630
File size (compressed) :41'348 bytes
File size (de-compressed) :113'676 bytes
Format:linux/mips
Packed file: 73b672c53979619a86ecec82ee943c126049c4027de295bdd0b47cd407f40630

Intelligence

File Origin
# of uploads :
1
# of downloads :
74
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Link:
https://research.acce.ciphertechsolutions.com/results/a2f0bf92-3670-493f-b8b5-fef6c89cc67c/
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-7135954-0
Create hunting rule

Unix.Dropper.Mirai-7136013-0
Create hunting rule

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

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

Unix.Dropper.Mirai-7136057-0
Create hunting rule

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

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

Unix.Trojan.Mirai-9858729-0
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

Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Runs as daemon
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade
Link:
https://www.filescan.io/uploads/6a1d90c5f144207b845fa770/reports/23f4e99d-2fe7-4df7-ae1c-f12fa8a239cc/overview
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2026-06-01T15:22:00Z UTC
Last seen:
2026-06-02T03:21:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/b1e41fa3d64a2287513da472a2d68d186b71c4cfc26a083220a4d7e9619c2d37/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/8f151abf-0a3b-441a-b43e-fe8f8b8843b5
Behavior Graph:
Download SVG
%3 guuid=5cce7b4d-1a00-0000-d5dd-f1a7340a0000 pid=2612 /usr/bin/sudo guuid=47ca2350-1a00-0000-d5dd-f1a73c0a0000 pid=2620 /tmp/sample.bin guuid=5cce7b4d-1a00-0000-d5dd-f1a7340a0000 pid=2612->guuid=47ca2350-1a00-0000-d5dd-f1a73c0a0000 pid=2620 execve
Gathering data
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b1e41fa3d64a2287513da472a2d68d186b71c4cfc26a083220a4d7e9619c2d37
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b1e41fa3d64a2287513da472a2d68d186b71c4cfc26a083220a4d7e9619c2d37/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-06-01 14:02:26 UTC
File Type:
ELF32 Big (Exe)
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=whsb7i6wjiriouj5urzkfvundbvxdrgpyjvaqmrautl6sym4fu3q._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:lzrd botnet defense_evasion discovery
Link:
https://tria.ge/reports/260601-rbn89sey21/
Behaviour
Reads runtime system information
System Network Configuration Discovery
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
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/b1e41fa3d64a2287513da472a2d68d186b71c4cfc26a083220a4d7e9619c2d37

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_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_Trojan_Gafgyt_28a2fe0c
Create hunting rule
Author:Elastic Security
Rule name:Mirai_Botnet_Malware
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:Mirai_Botnet_Malware_RID2EF6
Create hunting rule
Author:Florian Roth
Description:Detects Mirai Botnet Malware
Reference:Internal Research
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 73b672c53979619a86ecec82ee943c126049c4027de295bdd0b47cd407f40630

Mirai

elf b1e41fa3d64a2287513da472a2d68d186b71c4cfc26a083220a4d7e9619c2d37

(this sample)

  
Dropped by
SHA256 73b672c53979619a86ecec82ee943c126049c4027de295bdd0b47cd407f40630
  
URLhaus
https://urlhaus.abuse.ch/url/3857066/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 43b5574c919c09143581b91146d70671

Comments