MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b8445de08b5f8dc796f0e20a3df7ef4ff1e3c17c8241367e067a93b44541f469. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b8445de08b5f8dc796f0e20a3df7ef4ff1e3c17c8241367e067a93b44541f469
SHA3-384 hash: 65df50c20d905937b6df001429931f5a535bc3d705c856f5d6723282b507f2ada53c5e0f8458aecbe2dabaa567a01ac6
SHA1 hash: b6e8e672f072710fc29c92355a694e40ce66a83b
MD5 hash: 06c8a05632b2ede63ce321d123069d71
humanhash: three-two-ceiling-seven
File name:putita.arm7
Download: download sample
Signature Mirai
Create hunting rule
File size:107'968 bytes
First seen:2026-07-12 02:37:36 UTC
Last seen:Never
File type: elf
MIME type:application/x-sharedlib
ssdeep 3072:IUPZjTuolizTrrgUQ4g8O2CRb0gsT1vO1OEtzf1D:IUxjTW3gUQ4g8OjRbn0O1Omz9
TLSH T14CB31B99F890DE52C6D52675FA5E418C332353B8C3DA72068D249E3477EBC9A0E3ED42
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 1a200226e352bb22c9009bebcbaaabc755a3d56d03ba97152a7c6277c09ef8ff
File size (compressed) :46'276 bytes
File size (de-compressed) :107'968 bytes
Format:linux/arm
Packed file: 1a200226e352bb22c9009bebcbaaabc755a3d56d03ba97152a7c6277c09ef8ff

Intelligence

File Origin
# of uploads :
1
# of downloads :
77
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
Changes the time when the file was created, accessed, or modified
Connection attempt
Runs as daemon
Receives data from a server
Sends data to a server
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:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
gcc masquerade rust
Link:
https://www.filescan.io/uploads/6a52fe31ef8dbdaadd750656/reports/6fcc88b7-cf33-41d3-a847-875ac26d5422/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-07-13T20:16:00Z UTC
Last seen:
2026-07-13T23:03:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/b8445de08b5f8dc796f0e20a3df7ef4ff1e3c17c8241367e067a93b44541f469/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/977d71a0-a395-4841-9d74-fb12e34549fb
Behavior Graph:
Download SVG
%3 guuid=ee2c2693-1f00-0000-4a8d-28a249140000 pid=5193 /usr/bin/sudo guuid=8c673e95-1f00-0000-4a8d-28a24a140000 pid=5194 /tmp/sample.bin guuid=ee2c2693-1f00-0000-4a8d-28a249140000 pid=5193->guuid=8c673e95-1f00-0000-4a8d-28a24a140000 pid=5194 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/18d4ba5e-440a-4479-bb69-d8b60c514b25
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b8445de08b5f8dc796f0e20a3df7ef4ff1e3c17c8241367e067a93b44541f469
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b8445de08b5f8dc796f0e20a3df7ef4ff1e3c17c8241367e067a93b44541f469/
Threat name:
Linux.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2026-07-12 03:15:52 UTC
AV detection:
5 of 24 (20.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xbcf3yell6g4pfxq4ifd357pj7y6hql4qjatm7qgpkj3irkb6ruq._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion execution persistence privilege_escalation
Link:
https://tria.ge/reports/260712-c4xc1sbz7n/
Behaviour
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.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/b8445de08b5f8dc796f0e20a3df7ef4ff1e3c17c8241367e067a93b44541f469

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
Create hunting rule
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: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 1a200226e352bb22c9009bebcbaaabc755a3d56d03ba97152a7c6277c09ef8ff

Mirai

elf b8445de08b5f8dc796f0e20a3df7ef4ff1e3c17c8241367e067a93b44541f469

(this sample)

  
Dropped by
SHA256 1a200226e352bb22c9009bebcbaaabc755a3d56d03ba97152a7c6277c09ef8ff
  
URLhaus
https://urlhaus.abuse.ch/url/3885281/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 d6e4a17d0c32cf7b94e351d4aaccb993

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