MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c55bf5c4d29000767bc6720352cf698aae9c83e1653f0979b92262cd87b5d3fe. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c55bf5c4d29000767bc6720352cf698aae9c83e1653f0979b92262cd87b5d3fe
SHA3-384 hash: 2318b3befc76a899013b05a9a210b90ff6d5452c843c151efbac5c44f332b12a9cf53ce98cc7698d2554d3da7345b98d
SHA1 hash: d0caec10fb64eec08f1113a3b0b2c4fe8fa8001e
MD5 hash: 639fc1d04b1ce444a2fe4ca2ac704ca8
humanhash: nine-potato-lion-comet
File name:nklm68k
Download: download sample
Signature Mirai
Create hunting rule
File size:73'540 bytes
First seen:2025-12-27 00:16:40 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:R5aX+edfT+f1EMPotamVZmBUXQvW8u3ZbTCi9vWf0Qi1I08TP4P:R5aX+tE1t7VsBUXW61LvS0Qi1rTP
TLSH T16F734AC7F401CE7DF94FAB7A88170E01B62573959E420F27A666FD636E320984C56EC2
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
88
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Unix.Trojan.Mirai-6981989-0
Create hunting rule

Unix.Trojan.Mirai-9940650-0
Create hunting rule

Unix.Trojan.Mirai-10008934-0
Create hunting rule

Unix.Trojan.Mirai-10018298-0
Create hunting rule

Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/694f258b29529c74a2f56c23/reports/66e10884-7f9f-45c7-bb20-d2d5b4c6d0a5/overview
Verdict:
Unknown
File Type:
elf.32.be
First seen:
2025-12-26T23:55:00Z UTC
Last seen:
2025-12-27T00:03:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/c55bf5c4d29000767bc6720352cf698aae9c83e1653f0979b92262cd87b5d3fe/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/7ed5c311-9f5f-4262-80a0-58852ce1b58e
Behavior Graph:
Download SVG
%3 guuid=c1ec08ec-1900-0000-b542-4bf6780c0000 pid=3192 /usr/bin/sudo guuid=c5effeed-1900-0000-b542-4bf67d0c0000 pid=3197 /tmp/sample.bin guuid=c1ec08ec-1900-0000-b542-4bf6780c0000 pid=3192->guuid=c5effeed-1900-0000-b542-4bf67d0c0000 pid=3197 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/ce5378d6-a5a8-421b-b744-1d2bad6ae660
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj
Score:
52 / 100
Link:
https://www.joesandbox.com/analysis/1840139
Signature
Connects to many IPs within the same subnet mask (likely port scanning)
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1840139 Sample: nklm68k.elf Startdate: 27/12/2025 Architecture: LINUX Score: 52 14 79.80.101.100, 23 LDCOMNETFR France 2->14 16 79.80.101.104, 23 LDCOMNETFR France 2->16 18 100 other IPs or domains 2->18 20 Multi AV Scanner detection for submitted file 2->20 22 Connects to many IPs within the same subnet mask (likely port scanning) 2->22 8 nklm68k.elf 2->8         started        signatures3 process4 process5 10 nklm68k.elf 8->10         started        process6 12 nklm68k.elf 10->12         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/c55bf5c4d29000767bc6720352cf698aae9c83e1653f0979b92262cd87b5d3fe
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c55bf5c4d29000767bc6720352cf698aae9c83e1653f0979b92262cd87b5d3fe/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-27 00:17:17 UTC
File Type:
ELF32 Big (Exe)
AV detection:
11 of 24 (45.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=yvn7lrgssaahm66goibvft3jrkxjza7bmu7qs6nzejrm3b5v2p7a._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Link:
https://tria.ge/reports/251227-ak55pstlhm/
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-6981989-0
YARA:
n/a
Link:
https://app.threat.zone/submission/a1703ec9-7f3a-4d90-b325-31461630c2c6
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/c55bf5c4d29000767bc6720352cf698aae9c83e1653f0979b92262cd87b5d3fe

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: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 c55bf5c4d29000767bc6720352cf698aae9c83e1653f0979b92262cd87b5d3fe

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3739196/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3740304/

Comments