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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4a9d4dffb3463236968e30d962a619839780b8bb15415d2adbf598cda2499e6e. 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: 9


Intelligence 9 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4a9d4dffb3463236968e30d962a619839780b8bb15415d2adbf598cda2499e6e
SHA3-384 hash: f3b6bd5cb2d10938de44c95143b25a67333f15f40329331c7ce16a762a54bf8196c39d70bded27033e44c2cd60c49a0d
SHA1 hash: 33da98cac22ee4b021f328105acdf3ffcf16f227
MD5 hash: 201954a3db36e2934f11f231ae793ba4
humanhash: mountain-pip-earth-hydrogen
File name:putita.arm6
Download: download sample
Signature Mirai
Create hunting rule
File size:120'240 bytes
First seen:2026-07-19 19:41:47 UTC
Last seen:Never
File type: elf
MIME type:application/x-sharedlib
ssdeep 3072:gXLoVhpUaVm7MF0iIbRcYEEUAPYMWpNwhe9wq4XynNJFpqtuKf1DlP:g7sDiiuRcYEEUAPYMWfwCN4XcIMK95
TLSH T105C329A9F890DE52C6D52676FB5E018C33231778C3DE7106CE149E347BEB95A0E3A942
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 05e8cf3550157bfce5f15947f680f638d1f07bea34cda51c8197f38f3e909419
File size (compressed) :55'496 bytes
File size (de-compressed) :120'240 bytes
Format:linux/arm
Packed file: 05e8cf3550157bfce5f15947f680f638d1f07bea34cda51c8197f38f3e909419

Intelligence

File Origin
# of uploads :
1
# of downloads :
89
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:
gcc masquerade mirai rust
Link:
https://www.filescan.io/uploads/6a5d289a0d2c7a7ab7f337a2/reports/721e70fc-f76e-4075-9242-8e59c405320d/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
UPX
Botnet:
unknown
Number of open files:
51
Number of processes launched:
16
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/4a9d4dffb3463236968e30d962a619839780b8bb15415d2adbf598cda2499e6e
Behaviour
Persistence
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-07-19T17:08:00Z UTC
Last seen:
2026-07-19T19:05:00Z UTC
Hits:
~10
Detections:
HEUR:Trojan.Linux.Agent.vn
Link:
https://opentip.kaspersky.com/4a9d4dffb3463236968e30d962a619839780b8bb15415d2adbf598cda2499e6e/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/ff886c60-2d36-4b5d-8ce5-698d6049ea0d
Behavior Graph:
Download SVG
%3 guuid=80cbd2c6-1900-0000-0ca3-76fa86070000 pid=1926 /usr/bin/sudo guuid=9c9d7fc8-1900-0000-0ca3-76fa8a070000 pid=1930 /tmp/sample.bin guuid=80cbd2c6-1900-0000-0ca3-76fa86070000 pid=1926->guuid=9c9d7fc8-1900-0000-0ca3-76fa8a070000 pid=1930 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/6244f854-ea67-4ac1-a8eb-3ba1a127f5fb
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/4a9d4dffb3463236968e30d962a619839780b8bb15415d2adbf598cda2499e6e
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4a9d4dffb3463236968e30d962a619839780b8bb15415d2adbf598cda2499e6e/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-07-19 19:42:23 UTC
File Type:
ELF32 Little (SO)
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jkou375tiyzdnfuogdmwfjqzqolybof3cvav2kw36wmm3isjtzxa._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion execution persistence privilege_escalation
Link:
https://tria.ge/reports/260719-yerbcsdt6z/
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/4a9d4dffb3463236968e30d962a619839780b8bb15415d2adbf598cda2499e6e

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 05e8cf3550157bfce5f15947f680f638d1f07bea34cda51c8197f38f3e909419

Mirai

elf 4a9d4dffb3463236968e30d962a619839780b8bb15415d2adbf598cda2499e6e

(this sample)

  
Dropped by
SHA256 05e8cf3550157bfce5f15947f680f638d1f07bea34cda51c8197f38f3e909419
  
URLhaus
https://urlhaus.abuse.ch/url/3885285/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 1b4b8763a42083bd436dc5817f5f63fe

Comments