MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f4b93a1e444bb7b7581e6ac874d57ae72d46c8446c4a2cde98027c51b8bd1085. 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: 6


Intelligence 6 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f4b93a1e444bb7b7581e6ac874d57ae72d46c8446c4a2cde98027c51b8bd1085
SHA3-384 hash: 73f7845342df7adad3d93e7d613ecec0c95ecdffbe217e38e230e87b5b641b69e7fcb47fc2d43804887ae9801e7ecd7c
SHA1 hash: 9c953414f96e99f70e6f0319f2408ca74a218c28
MD5 hash: 30818305b242d4f78a586b714fdcdf61
humanhash: iowa-table-diet-coffee
File name:nabppc
Download: download sample
Signature Mirai
Create hunting rule
File size:58'860 bytes
First seen:2026-01-26 23:35:53 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:TaIkRtSNIBtlr9yR4+z2LFeELgMLqNg4orZX2:TaIkRttN9yCFes9X2
TLSH T1F7435C42F3180983E0675DF43E3B2BE0939EA5D111F5F245760FAB4A91B2E325582EED
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
76
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Unix.Trojan.Mirai-9885259-0
Create hunting rule

Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/6977fa6b12c4ad8c08573916/reports/fcdd67a8-cbeb-428f-8397-8fa8378b9b1f/overview
Result
Gathering data
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/ba6b4bf8-fd0e-4f24-a271-49d6495256d5
Behavior Graph:
Download SVG
%3 guuid=b1bb9ab9-1a00-0000-14a6-0ea6630d0000 pid=3427 /usr/bin/sudo guuid=7e4581bc-1a00-0000-14a6-0ea66c0d0000 pid=3436 /tmp/sample.bin guuid=b1bb9ab9-1a00-0000-14a6-0ea6630d0000 pid=3427->guuid=7e4581bc-1a00-0000-14a6-0ea66c0d0000 pid=3436 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/aec6b73c-77e0-443f-975e-e1a1bbeac654
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1858011
Signature
Connects to many IPs within the same subnet mask (likely port scanning)
Drops invisible ELF files
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample reads /proc/mounts (often used for finding a writable filesystem)
Sample tries to kill multiple processes (SIGKILL)
Sends malformed DNS queries
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1858011 Sample: nabppc.elf Startdate: 27/01/2026 Architecture: LINUX Score: 72 58 slursontel.ru. [malformed] 2->58 60 slursbeback.ru. [malformed] 2->60 62 103 other IPs or domains 2->62 66 Multi AV Scanner detection for submitted file 2->66 68 Connects to many IPs within the same subnet mask (likely port scanning) 2->68 8 nabppc.elf .systemd-journald 2->8         started        12 systemd gpu-manager 2->12         started        14 systemd gpu-manager 2->14         started        16 64 other processes 2->16 signatures3 70 Sends malformed DNS queries 60->70 process4 file5 56 /dev/shm/.systemd-journald, ELF 8->56 dropped 72 Drops invisible ELF files 8->72 74 Sample deletes itself 8->74 18 .systemd-journald 8->18         started        21 gpu-manager sh 12->21         started        23 gpu-manager sh 12->23         started        25 gpu-manager sh 12->25         started        31 5 other processes 12->31 33 8 other processes 14->33 76 Sample reads /proc/mounts (often used for finding a writable filesystem) 16->76 27 gpu-manager sh 16->27         started        29 gpu-manager sh 16->29         started        35 102 other processes 16->35 signatures6 process7 signatures8 64 Sample tries to kill multiple processes (SIGKILL) 18->64 47 2 other processes 18->47 37 sh grep 21->37         started        39 sh grep 23->39         started        41 sh grep 25->41         started        43 sh grep 27->43         started        45 sh grep 29->45         started        50 5 other processes 31->50 52 7 other processes 33->52 54 79 other processes 35->54 process9 signatures10 78 Sample tries to kill multiple processes (SIGKILL) 47->78
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/f4b93a1e444bb7b7581e6ac874d57ae72d46c8446c4a2cde98027c51b8bd1085
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f4b93a1e444bb7b7581e6ac874d57ae72d46c8446c4a2cde98027c51b8bd1085/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-26 23:36:22 UTC
File Type:
ELF32 Big (Exe)
AV detection:
11 of 36 (30.56%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6s4tuhsejo33owa6nlehjvl244wunscenrfczxuyaj6fdof5cccq._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Link:
https://tria.ge/reports/260126-3lnw2aew5h/
Please note that we are no longer able to provide a coverage score for Virus Total.

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 f4b93a1e444bb7b7581e6ac874d57ae72d46c8446c4a2cde98027c51b8bd1085

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3740300/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3739223/

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