MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4f91e8cc2d5ad77b010bc5db30e6e667e6e9c120f4d0b92ab80e5b71282b401c. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4f91e8cc2d5ad77b010bc5db30e6e667e6e9c120f4d0b92ab80e5b71282b401c
SHA3-384 hash: d6797d29cbc56b4e7a362ec9c6cc04be890b17584920afc7d4ed3fdeee2f8237531b27137aff150993a65960adb2535d
SHA1 hash: 6a63b30bd7327f42e43b00cfe9c4b4bac7f19e8d
MD5 hash: 855ba6cfae0dabfc68e2c85145fc928f
humanhash: carolina-fifteen-happy-seventeen
File name:Mddos.arm5
Download: download sample
Signature Mirai
Create hunting rule
File size:669'972 bytes
First seen:2026-08-07 19:44:12 UTC
Last seen:2026-08-08 11:03:47 UTC
File type: elf
MIME type:application/x-executable
ssdeep 12288:Oijanr2ZYGCCa0IjQ3M86MzJnlWEmdpgRK3vFo/qZmr68N8pqP8qOt:Oik6CCAsMTMFnlWLdGw/fmr1bq
TLSH T15FE43955F8809F61C6C529B6F65D42AC73074BB9D3EB72069A144B343BEB86B0F3A701
telfhash t110f055347c4c65a8b5d2c820c383e81a2dfc26954b107c9eaf54ae8e0e86fd028b40b7
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
3
# of downloads :
69
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Unix.Trojan.Mirai-7135937-0
Create hunting rule

Unix.Dropper.Mirai-7136014-0
Create hunting rule

Unix.Trojan.Mirai-9907086-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Sends data to a server
Collects information on the RAM
Connection attempt
Receives data from a server
Creating a file in the %temp% directory
Runs as daemon
Deleting a recently created file
Opens a port
Collects information on the CPU
Substitutes an application name
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
bashlite masquerade mirai obfuscated rust
Link:
https://www.filescan.io/uploads/6a7635a01f13eb4c640b1905/reports/0d50e9ea-06e2-4649-b037-efdc25e15165/overview
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/541e1bda-e6e6-4bad-a34f-5d1baf658574
Behavior Graph:
Download SVG
%3 guuid=25136a13-1700-0000-1864-43d4fb090000 pid=2555 /usr/bin/sudo guuid=775edf15-1700-0000-1864-43d4040a0000 pid=2564 /tmp/sample.bin guuid=25136a13-1700-0000-1864-43d4fb090000 pid=2555->guuid=775edf15-1700-0000-1864-43d4040a0000 pid=2564 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d18e7a9f-143b-46a6-9d5f-7bfe3b3e44d5
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/4f91e8cc2d5ad77b010bc5db30e6e667e6e9c120f4d0b92ab80e5b71282b401c
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4f91e8cc2d5ad77b010bc5db30e6e667e6e9c120f4d0b92ab80e5b71282b401c/
Gathering data
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=j6i6rtbnlllxwailyxntbzxgm7totqja6tilskvybznxckbliaoa._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
antivm credential_access defense_evasion discovery
Link:
https://tria.ge/reports/260807-yf3e1svybv/
Behaviour
Reads runtime system information
Writes file to tmp directory
Changes its process name
Checks CPU configuration
Reads process memory
Modifies Watchdog functionality
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/4f91e8cc2d5ad77b010bc5db30e6e667e6e9c120f4d0b92ab80e5b71282b401c

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:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:F01_s1ckrule
Create hunting rule
Author:s1ckb017
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_da28eb8b
Create hunting rule
Author:Elastic Security
Rule name:malwareelf55503
Create hunting rule
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
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 4f91e8cc2d5ad77b010bc5db30e6e667e6e9c120f4d0b92ab80e5b71282b401c

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3893662/
  
Delivery method
Distributed via web download

Comments