MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fd720b19a62efa97b733d8f816a8a1e49867e50b042d6353d23ef8d8ad54458a. 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: 7


Intelligence 7 IOCs YARA 3 File information Comments

SHA256 hash: fd720b19a62efa97b733d8f816a8a1e49867e50b042d6353d23ef8d8ad54458a
SHA3-384 hash: 452f0d7d7902494da8f1c9ab0994064785d315cbd176c38f83ed0029e45b892c997f58343242c5db7a901e3f0ad44e42
SHA1 hash: 179a54adf77861a534b583069ef6b96f23eabdde
MD5 hash: 735890fa4a6428dfa85a29c0c918a4a2
humanhash: leopard-hotel-arizona-wyoming
File name:fd720b19a62efa97b733d8f816a8a1e49867e50b042d6353d23ef8d8ad54458a.elf
Download: download sample
Signature Mirai
File size:83'736 bytes
First seen:2026-08-06 23:04:16 UTC
Last seen:Never
File type: elf
MIME type:application/x-sharedlib
ssdeep 1536:MlZCNQKJT+1n0Rdiaz3Koqbnede8zucQHeqLYH6RnfaoHzBZQqI2j+NsNP/ej0HD:uwJalJ0yer4HeqLYH6F71ZnCNsNPC0HD
TLSH T112831229111913FDDFA34D7052B7B8F7B8A4A079A2C4E2D67540CEB86B490A1F7051E7
Magika elf
Reporter whack_sh
Tags:elf exe mirai UPX whack.sh
File size (compressed) :83'736 bytes
File size (de-compressed) :181'816 bytes
Format:linux/mipsel
Unpacked file: 148cf20cd54364532ab66886d91149757827727145fcb4abf8569c14ad3775e8

Intelligence


File Origin
# of uploads :
1
# of downloads :
174
Origin country :
US US
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Sets a written file as executable
Runs as daemon
Creates or modifies symbolic links
Changes the time when the file was created, accessed, or modified
Opens a port
Connection attempt
Launching a process
Changes access rights for a written file
Writes files to system directory
Substitutes an application name
Creates or modifies files in /cron to set up autorun
Creates or modifies files in /init.d to set up autorun
Creates or modifies files to set up autorun
Creates or modifies symbolic links in /init.d to set up autorun
Deleting of the original file
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
packed upx
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-08-06T20:31:00Z UTC
Last seen:
2026-08-06T20:57:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=879c427a-1a00-0000-1328-dba2b4070000 pid=1972 /usr/bin/sudo guuid=fa1b9b7c-1a00-0000-1328-dba2b5070000 pid=1973 /tmp/sample.bin guuid=879c427a-1a00-0000-1328-dba2b4070000 pid=1972->guuid=fa1b9b7c-1a00-0000-1328-dba2b5070000 pid=1973 execve
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2026-08-06 23:05:47 UTC
File Type:
ELF32 Little (SO)
AV detection:
11 of 24 (45.83%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion discovery execution persistence privilege_escalation upx
Behaviour
Reads runtime system information
Changes its process name
Modifies Bash startup script
UPX packed file
Creates/modifies Cron job
Creates/modifies environment variables
Modifies init.d
Modifies rc script
Modifies systemd
Deletes itself
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:elf_arm_mips_ko_so
Rule name:SUSP_ELF_LNX_UPX_Compressed_File
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:upx_packed_elf_v1
Author:RandomMalware

File information


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

Web download

Mirai

elf fd720b19a62efa97b733d8f816a8a1e49867e50b042d6353d23ef8d8ad54458a

(this sample)

  
Delivery method
Distributed via web download

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