MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 03c1a932ee59cf97ca66760fbd64d5ff7ac9598113a3aea82d2a7a9cb486c64d. 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 5 File information Comments

SHA256 hash: 03c1a932ee59cf97ca66760fbd64d5ff7ac9598113a3aea82d2a7a9cb486c64d
SHA3-384 hash: 43e08c09252cafc9017717f34040d503ded0c46361f31f5c17afcb70f44e4931b2c1dae0aa06b40799fa03e37781f5f8
SHA1 hash: c0093659fc51f27438a1c85c49817a9d8915ef7b
MD5 hash: e1321938ab2b267b3e02ecc9badb58dd
humanhash: queen-chicken-texas-hamper
File name:putita.mips
Download: download sample
Signature Mirai
File size:206'412 bytes
First seen:2026-08-25 21:05:32 UTC
Last seen:Never
File type: elf
MIME type:application/x-sharedlib
ssdeep 6144:vhwZ1zZTEkcVyFfZxzOmz8nYgumjAVoGXu:m/z1tFhxpaYgGI
TLSH T117141A5A7B20DFA2D329C6304AB3C79766F5269236D2C445F22DCE182E2134E685FFD4
telfhash t18f4163a04d3bda1adb95cca889fdab7a740f401b5318ce33ee30416e40420f9e25ad5f
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 91fa1ef98caaf8740e666935ffdcfbe93085a6a02398b5fecb188a02031b393c
File size (compressed) :99'028 bytes
File size (de-compressed) :206'412 bytes
Format:linux/mips
Packed file: 91fa1ef98caaf8740e666935ffdcfbe93085a6a02398b5fecb188a02031b393c

Intelligence


File Origin
# of uploads :
1
# of downloads :
37
Origin country :
NL NL
Vendor Threat Intelligence
No detections
Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Sets a written file as executable
Launching a process
Connection attempt
Runs as daemon
Changes the time when the file was created, accessed, or modified
Changes access rights for a written file
Creating a file
Creates or modifies symbolic links
Substitutes an application name
Writes files to system directory
Creates or modifies files in /cron to set up autorun
Creates or modifies files to set up autorun
Deleting of the original file
Creates or modifies symbolic links in /init.d to set up autorun
Creates or modifies files in /init.d to set up autorun
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
dropper gcc masquerade mirai
Status:
terminated
Behavior Graph:
%3 guuid=67fefb29-1700-0000-73a8-0368770d0000 pid=3447 /usr/bin/sudo guuid=744deb2b-1700-0000-73a8-03687c0d0000 pid=3452 /tmp/sample.bin guuid=67fefb29-1700-0000-73a8-0368770d0000 pid=3447->guuid=744deb2b-1700-0000-73a8-03687c0d0000 pid=3452 execve
Gathering data
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-08-25 21:06:19 UTC
File Type:
ELF32 Big (SO)
AV detection:
8 of 36 (22.22%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion discovery execution persistence privilege_escalation
Behaviour
Reads runtime system information
System Network Configuration Discovery
Changes its process name
Modifies Bash startup script
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:ELF_IoT_Persistence_Hunt
Author:4r4
Description:Hunts for ELF files with persistence and download capabilities
Rule name:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:setsockopt
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:unixredflags3
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 03c1a932ee59cf97ca66760fbd64d5ff7ac9598113a3aea82d2a7a9cb486c64d

(this sample)

  
Delivery method
Distributed via web download

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