MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 277976fca3a0aec1f4bcd1c283190db2395d5a089b742fd7571fcd55e893f71b. 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 13 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 277976fca3a0aec1f4bcd1c283190db2395d5a089b742fd7571fcd55e893f71b
SHA3-384 hash: 7d4138ee8ac10c327bc61eb21195236dbac5e2aa47add103e5cc97e87a9ffd2da743104be31457b924677b7a343e5ac6
SHA1 hash: ab2fed9ff251985ecc7e0c57cc65cbad8623841c
MD5 hash: 5bfe4d1f6d4707efc83b5bae165dc613
humanhash: red-low-carolina-five
File name:277976fca3a0aec1f4bcd1c283190db2395d5a089b742fd7571fcd55e893f71b.elf
Download: download sample
Signature Mirai
Create hunting rule
File size:232'661 bytes
First seen:2026-08-30 18:31:43 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 6144:5aaaOAPfpZd7AiY24mHuhYzayxdTgkLQmHH5RrEssMOgh5oPFygnM/9rZ6n1:BaOAPfpZd7AiP4mOhYzayxdTgFyjEssp
TLSH T17A344B52AA924A13C5D3177EFBCF41063323A66693DB7306F91C6BB43F8629E4E72501
telfhash t178311f3117359612aea0da589ced53b7152ec3262285ef73de25c4dc940a0abe633c4f
Magika elf
Reporter whack_sh
Tags:elf exe mirai whack.sh

Intelligence

File Origin
# of uploads :
1
# of downloads :
145
Origin country :
US US
Vendor Threat Intelligence
No detections
Detection(s):
Unix.Trojan.Mirai-9441505-0
Create hunting rule

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

Unix.Trojan.Mirai-5607483-0
Create hunting rule

YARA.SIGNATURE_BASE_PUA_Crypto_Mining_Commandline_Indicators_Oct21.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Kills processes
Creating a file in the %temp% subdirectories
Launching a process
Runs as daemon
Receives data from a server
Changes the time when the file was created, accessed, or modified
Connection attempt
DNS request
Collects information on the RAM
Creates directories in a subdirectory of a temporary directory
Creating a file
Deleting a recently created file
Creating a file in the %temp% directory
Collects information on the OS
Removes directories from a subdirectory of a temporary directory
Creating a process from a recently created file
Sets a written file as executable
Sends data to a server
Collects information on the CPU
Creates directories in a temporary directory
Removes directories from a temporary directory
Creates or modifies files in /cron to set up autorun
Substitutes an application name
Creates or modifies files in /init.d to set up autorun
Deleting of the original file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gcc mirai pup rust
Link:
https://www.filescan.io/uploads/6a94772e9deebc7df8671247/reports/48747939-5c63-4518-b0d1-a777882dc0e3/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
true
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
275
Number of processes launched:
42
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/277976fca3a0aec1f4bcd1c283190db2395d5a089b742fd7571fcd55e893f71b
Behaviour
Anti-VM
Persistence
Process Renaming
Firewall Changes
Kernel Modules
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/319e0ab0-2865-4179-b9f1-6d21890b073a
Behavior Graph:
Download SVG
%3 guuid=622ce731-1800-0000-52e0-cf23800b0000 pid=2944 /usr/bin/sudo guuid=d0a47d35-1800-0000-52e0-cf238b0b0000 pid=2955 /tmp/sample.bin guuid=622ce731-1800-0000-52e0-cf23800b0000 pid=2944->guuid=d0a47d35-1800-0000-52e0-cf238b0b0000 pid=2955 execve
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/5d696899-e3a2-483c-bfbc-83fca1b5b1fb
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/277976fca3a0aec1f4bcd1c283190db2395d5a089b742fd7571fcd55e893f71b
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/277976fca3a0aec1f4bcd1c283190db2395d5a089b742fd7571fcd55e893f71b/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-08-30 18:32:29 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 36 (38.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=e54xn7fducxmd5f42hbigginwi4v2wqitn2c7v2xd7gvl2et64nq._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
antivm defense_evasion discovery execution persistence privilege_escalation
Link:
https://tria.ge/reports/260830-w6pkqsxeqh/
Behaviour
Command and Scripting Interpreter: Unix Shell
Enumerates kernel/hardware configuration
Reads runtime system information
System Network Configuration Discovery
Writes file to tmp directory
Changes its process name
Checks CPU configuration
Reads system network configuration
Creates/modifies Cron job
Enumerates active TCP sockets
Enumerates running processes
Modifies init.d
Reads list of loaded kernel modules
File and Directory Permissions Modification
Deletes itself
Executes dropped EXE
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/277976fca3a0aec1f4bcd1c283190db2395d5a089b742fd7571fcd55e893f71b

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:CoinMiner_Strings
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects mining pool protocol string in Executable
Reference:https://minergate.com/faq/what-pool-address
Rule name:CoinMiner_Strings_RID2DDE
Create hunting rule
Author:Florian Roth
Description:Detects mining pool protocol string in Executable
Reference:https://minergate.com/faq/what-pool-address
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_IoT_Persistence_Hunt
Create hunting rule
Author:4r4
Description:Hunts for ELF files with persistence and download capabilities
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:F01_s1ckrule
Create hunting rule
Author:s1ckb017
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Rootkit_Generic_61229bdf
Create hunting rule
Author:Elastic Security
Rule name:PUA_Crypto_Mining_CommandLine_Indicators_Oct21
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects command line parameters often used by crypto mining software
Reference:https://www.poolwatch.io/coin/monero
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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 277976fca3a0aec1f4bcd1c283190db2395d5a089b742fd7571fcd55e893f71b

(this sample)

  
Delivery method
Distributed via web download

Comments