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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2f05bde28bfade565ce457a9242fd156a0b90f111a854d86a89349df0722920c. 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 9 File information Comments

SHA256 hash: 2f05bde28bfade565ce457a9242fd156a0b90f111a854d86a89349df0722920c
SHA3-384 hash: 655e98aef78916956173320e066d8c2721cb3eca3286f5e5afb76fcea7fcd748f33615be0d4e435f16ce79f6a941deea
SHA1 hash: 8c17bccefd849e2b3a041eae5bcbdd05b2e18b1d
MD5 hash: 08ce4205505a3627962cbf989b3340ba
humanhash: mirror-skylark-georgia-black
File name:flutter.mipsel
Download: download sample
Signature Mirai
File size:266'584 bytes
First seen:2026-09-02 17:12:27 UTC
Last seen:Never
File type: elf
MIME type:application/x-sharedlib
ssdeep 6144:ZbwJ91wgzJrwwHX8YdADh+ThmO5fgRenOU4/YlCX:dg9fJrwwMYdkIgEnOElCX
TLSH T182444A8A9E641FEBC4AFCD30062E831715FD999BA3F16776C67CDC48358E24846E3858
telfhash t1a54141759f3598229ed2c5509ceea322e21ec5291a51ee27cf24854c006d09ef21be9f
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 c9ccc5a26c2226dc4ff595af21db15018d6cb02f663df845ca3a498e6346e1e8
File size (compressed) :137'096 bytes
File size (de-compressed) :266'584 bytes
Format:linux/mipsel
Packed file: c9ccc5a26c2226dc4ff595af21db15018d6cb02f663df845ca3a498e6346e1e8

Intelligence


File Origin
# of uploads :
1
# of downloads :
54
Origin country :
NL NL
Vendor Threat Intelligence
No detections
Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Creating a file
Sends data to a server
Receives data from a server
Runs as daemon
Manages services
Kills processes
Opens a port
Connection attempt
Changes access rights for a written file
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
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
base64 expand gcc lolbin
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-09-02T15:28:00Z UTC
Last seen:
2026-09-03T20:11:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=9d467740-1f00-0000-7d76-e82f5d080000 pid=2141 /usr/bin/sudo guuid=80432942-1f00-0000-7d76-e82f5e080000 pid=2142 /tmp/sample.bin guuid=9d467740-1f00-0000-7d76-e82f5d080000 pid=2141->guuid=80432942-1f00-0000-7d76-e82f5e080000 pid=2142 execve
Gathering data
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-09-02 17:10:30 UTC
File Type:
ELF32 Little (SO)
AV detection:
12 of 23 (52.17%)
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
Reads system network configuration
Creates/modifies Cron job
Enumerates active TCP sockets
Enumerates running processes
Modifies rc script
Modifies systemd
Write file to user bin folder
Modifies Watchdog functionality
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:DetectEncryptedVariants
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:elf_arm_mips_ko_so
Rule name:enterpriseapps2
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:RANSOMWARE
Author:ToroGuitar
Rule name:setsockopt
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:SHA512_Constants
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:test_rule_vldslv
Rule name:unixredflags3
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags
Rule name:woof_mirai_variant
Author:Nokia Deepfield ERT
Description:Detects Woof Mirai variant (ChaCha20 table, HTTP C2 with token/guid, .woof dropper)
Reference:Internal analysis of sample 6ef4ce02

File information


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

Web download

Mirai

elf 2f05bde28bfade565ce457a9242fd156a0b90f111a854d86a89349df0722920c

(this sample)

Comments