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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b7cfb606dfbcf4678a15c0452795a5c4cbd3a25f36a63085cd87335920b4ac9a. 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 19 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b7cfb606dfbcf4678a15c0452795a5c4cbd3a25f36a63085cd87335920b4ac9a
SHA3-384 hash: 5cebf95294fe0246a404707b3802deee4441cbbebe0ccae525668da9ec8bf0b16b3aa9843d5f73e11d57c85f9302e81c
SHA1 hash: 3bc24fd9da0937e153460ba0c640d7acb8661819
MD5 hash: 5507e1006243d50487c33b62b54025cb
humanhash: east-sixteen-saturn-mango
File name:SecuriteInfo.com.Linux.Mirai.9816.22124.6146
Download: download sample
Signature Mirai
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File size:639'589 bytes
First seen:2026-09-19 03:31:16 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 12288:y1iYcuH6VwnqVA725cfy9Ybxu38tyDatiaZ7pn+7Uue0gQu40zddzKLpkVlICBa1:SOM7E7UuM40IqrBYdu07t2S
TLSH T1F5D45B46ED408B57D4D11BBABBAF524533235BB4E3EB72074D0CABB43B8699A4F76100
telfhash t1b542ff0d6b2387577e5188d85b99a7e71803850b9a9ccbd19ed88b0fc6340bbfd128dd
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 94e748ccd80e0532d0dc740d0fcff487d3e5a130da0039ab4369f45da1187dac
File size (compressed) :268'680 bytes
File size (de-compressed) :639'589 bytes
Format:linux/arm
Packed file: 94e748ccd80e0532d0dc740d0fcff487d3e5a130da0039ab4369f45da1187dac

Intelligence

File Origin
# of uploads :
1
# of downloads :
71
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Link:
https://research.acce.ciphertechsolutions.com/results/443e6e51-c27a-41b2-9e0b-99c15ec47ee0/
Detection(s):
Sanesecurity.Malware.30435.LC.UNOFFICIAL
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Sanesecurity.Malware.29502.LC.UNOFFICIAL
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Unix.Trojan.Mirai-7100807-0
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Unix.Dropper.Mirai-7135897-0
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Unix.Dropper.Mirai-7135901-0
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Unix.Dropper.Mirai-7135909-0
Create hunting rule

Unix.Trojan.Mirai-7135916-0
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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.Trojan.Mirai-8025795-0
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Unix.Trojan.Mirai-9441505-0
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Unix.Trojan.Mirai-9760303-0
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Unix.Dropper.Mirai-10007027-0
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Unix.Trojan.Mirai-10009361-0
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Unix.Trojan.Mirai-10059006-0
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Unix.Trojan.Mirai-10059216-0
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Unix.Trojan.Mirai-5607483-0
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YARA.SIGNATURE_BASE_MAL_ARM_LNX_Mirai_Mar13_2022.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Creating a file
Sends data to a server
Receives data from a server
Changes access rights for a written file
Runs as daemon
Sets a written file as executable
Creating a process from a recently created file
Manages services
Changes the time when the file was created, accessed, or modified
Kills processes
Opens a port
Launching a process
Connection attempt
Substitutes an application name
Creates or modifies files in /cron to set up autorun
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
expand gcc lolbin mirai obfuscated rust
Link:
https://www.filescan.io/uploads/6aae023e6dfff01e556703ae/reports/d9b8509d-a545-4216-9a4c-efd7e2ab8610/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-09-19T01:36:00Z UTC
Last seen:
2026-09-19T02:43:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/b7cfb606dfbcf4678a15c0452795a5c4cbd3a25f36a63085cd87335920b4ac9a/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/3001a395-606e-46a5-9817-ebd4bde00f0e
Behavior Graph:
Download SVG
%3 guuid=e238cac3-1900-0000-1de8-c7a7170b0000 pid=2839 /usr/bin/sudo guuid=629702c7-1900-0000-1de8-c7a71c0b0000 pid=2844 /tmp/sample.bin guuid=e238cac3-1900-0000-1de8-c7a7170b0000 pid=2839->guuid=629702c7-1900-0000-1de8-c7a71c0b0000 pid=2844 execve
Gathering data
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b7cfb606dfbcf4678a15c0452795a5c4cbd3a25f36a63085cd87335920b4ac9a
Detection:
mirai
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Link:
https://mwdb.cert.pl/sample/b7cfb606dfbcf4678a15c0452795a5c4cbd3a25f36a63085cd87335920b4ac9a/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-09-19 03:31:42 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=w7h3mbw7xt2gpcqvybcspfnfytf5his7g2tdbbonq4zvsifuvsna._file
Result
Malware family:
mirai
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Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery execution persistence privilege_escalation
Link:
https://tria.ge/reports/260919-d3qphsgq4w/
Behaviour
Command and Scripting Interpreter: Unix Shell
Reads runtime system information
Changes its process name
Reads system network configuration
Creates/modifies Cron job
Enumerates active TCP sockets
Enumerates running processes
Modifies systemd
Writes file to system bin folder
Executes dropped EXE
Modifies Watchdog functionality
Contacts a large (22419) amount of remote hosts
Creates a large amount of network flows
Family: Mirai
Malware Config
C2 Extraction:
bigbigvol.qd.je
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/b7cfb606dfbcf4678a15c0452795a5c4cbd3a25f36a63085cd87335920b4ac9a

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:BLOWFISH_Constants
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Author:phoul (@phoul)
Description:Look for Blowfish constants
Rule name:CP_Script_Inject_Detector
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Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DetectEncryptedVariants
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Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:ELF_Mirai
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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:enterpriseapps2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_1ac392ca
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Author:Elastic Security
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: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:NSVPS_Mirai_Busybox_Staging
Create hunting rule
Author:sanad (NSVPS-SOC)
Description:Mirai-style busybox wget/tftp payload staging seen in NSVPS honeypot
Rule name:RANSOMWARE
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Author:ToroGuitar
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:setsockopt
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Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
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 94e748ccd80e0532d0dc740d0fcff487d3e5a130da0039ab4369f45da1187dac

Mirai

elf b7cfb606dfbcf4678a15c0452795a5c4cbd3a25f36a63085cd87335920b4ac9a

(this sample)

  
Dropped by
SHA256 94e748ccd80e0532d0dc740d0fcff487d3e5a130da0039ab4369f45da1187dac
  
Dropped by
MD5 18d9dd9dd1be02ec788aa0b453cfba85
  
URLhaus
https://urlhaus.abuse.ch/url/3918579/
  
Delivery method
Distributed via web download

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