MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 77f281c802d698c6830d2cfcf02b8ec9c0f91fc485e190918b18adf43e1e8f11. 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: 77f281c802d698c6830d2cfcf02b8ec9c0f91fc485e190918b18adf43e1e8f11
SHA3-384 hash: ca348a6279df692380cce2bf71647ca1bed6baaf5f150acf6357f927e26ab500ac4bed000d1537daa0cf99257409a866
SHA1 hash: 56c8415c200ae5491533c1d0ab1f0aa1add2b965
MD5 hash: 16f66a7fb8965e207624d98ea031a4fb
humanhash: fish-seven-may-lactose
File name:putita.arm
Download: download sample
Signature Mirai
Create hunting rule
File size:128'448 bytes
First seen:2026-07-17 19:05:01 UTC
Last seen:Never
File type: elf
MIME type:application/x-sharedlib
ssdeep 3072:ub/jjtOjapNT96thy/Koh6WbgcYEEUQs7pEx2dzZ5aFP7gUknD+2f1Dl:ubroAoV8gcYEEUQs7pC217aFVSS295
TLSH T129C33AA9F880DE52C6D126BAF75E518C33231778C3DE7106CE149E3467EBD5A0A3E942
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 e945fa3536a97c047b30b75a4efec6f9c225ed1bdeca11c4758c209873f68c51
File size (compressed) :55'044 bytes
File size (de-compressed) :128'448 bytes
Format:linux/arm
Packed file: e945fa3536a97c047b30b75a4efec6f9c225ed1bdeca11c4758c209873f68c51

Intelligence

File Origin
# of uploads :
1
# of downloads :
80
Origin country :
NL NL
Vendor Threat Intelligence
No detections
Detection(s):
SecuriteInfo.com.ELF.Mirai-DJZ.85441716.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creates or modifies symbolic links
Creating a file
Sends data to a server
Connection attempt
Receives data from a server
Sets a written file as executable
Changes access rights for a written file
Changes the time when the file was created, accessed, or modified
Runs as daemon
Opens a port
Writes files to system directory
Creates or modifies files in /cron to set up autorun
Substitutes an application name
Deleting of the original file
Creates or modifies files in /init.d to set up autorun
Creates or modifies symbolic links in /init.d to set up autorun
Creates or modifies files 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/6a5a7d0b46159e56708c2cae/reports/44785501-562d-4197-a16b-9b1fbd90fc86/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/77f281c802d698c6830d2cfcf02b8ec9c0f91fc485e190918b18adf43e1e8f11
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:
2026-07-17T17:14:00Z UTC
Last seen:
2026-07-18T19:10:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/77f281c802d698c6830d2cfcf02b8ec9c0f91fc485e190918b18adf43e1e8f11/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/4243a55b-b070-4dfe-9299-1e7f45b7e33d
Behavior Graph:
Download SVG
%3 guuid=4cebded5-1900-0000-2515-e4146a070000 pid=1898 /usr/bin/sudo guuid=552a04d9-1900-0000-2515-e41470070000 pid=1904 /tmp/sample.bin guuid=4cebded5-1900-0000-2515-e4146a070000 pid=1898->guuid=552a04d9-1900-0000-2515-e41470070000 pid=1904 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/7c9104dd-1470-40fd-acb3-59c0caf183b4
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/77f281c802d698c6830d2cfcf02b8ec9c0f91fc485e190918b18adf43e1e8f11
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/77f281c802d698c6830d2cfcf02b8ec9c0f91fc485e190918b18adf43e1e8f11/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-07-17 19:06:00 UTC
File Type:
ELF32 Little (SO)
AV detection:
13 of 24 (54.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=o7zidsac22mmnaynft6pak4ozhapsh6eqxqzbemldcw7ipq6r4iq._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion execution persistence privilege_escalation
Link:
https://tria.ge/reports/260717-xryqjafw61/
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/77f281c802d698c6830d2cfcf02b8ec9c0f91fc485e190918b18adf43e1e8f11

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 e945fa3536a97c047b30b75a4efec6f9c225ed1bdeca11c4758c209873f68c51

Mirai

elf 77f281c802d698c6830d2cfcf02b8ec9c0f91fc485e190918b18adf43e1e8f11

(this sample)

  
Dropped by
SHA256 e945fa3536a97c047b30b75a4efec6f9c225ed1bdeca11c4758c209873f68c51
  
URLhaus
https://urlhaus.abuse.ch/url/3885286/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 05072840d46e5d52716678d318177d57

Comments