MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ca77d67e3df43e1783c93abf617d6424a4052297fb3ca34e975f21921a2c0cb5. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ca77d67e3df43e1783c93abf617d6424a4052297fb3ca34e975f21921a2c0cb5
SHA3-384 hash: 642a8f5f16956b82a1a41bf7ff2663a626b48ece22600405389f3af30e0d56c9c00e02e2109e316c8f6406c776e2471c
SHA1 hash: 069e2bd8b3ee857aabdbe04834e3f71d5fbcbde4
MD5 hash: 46d117cf69ef6c1f3e4accd9b626aed7
humanhash: william-moon-emma-white
File name:nabarm
Download: download sample
Signature Mirai
Create hunting rule
File size:58'760 bytes
First seen:2026-01-26 17:41:39 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:yyLU+uhyOH9x2idPfoYt96531evvBaqCVLklU+v7EX:yOU+uE29xh1oj5FElCqUE7EX
TLSH T134432A55BD918612CAC4667BFF0F419D771647BCE2EA73079D296F21238B82B0E3B841
telfhash t19c0199241a1908c827e88a1a91deb127276eb4f1a5590c0727aee8874b33fe2745143d
TrID 50.1% (.) ELF Executable and Linkable format (Linux) (4022/12)
49.8% (.O) ELF Executable and Linkable format (generic) (4000/1)
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
29
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%
Tags:
rust
Link:
https://www.filescan.io/uploads/6977a7899bb2c4044ae88d02/reports/464c575d-cd40-4891-8033-5025ffbd7ded/overview
Result
Gathering data
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/04c8c471-09fb-47ab-810a-6743bcb8e6ec
Behavior Graph:
Download SVG
%3 guuid=cdd15078-1a00-0000-6f26-4157160e0000 pid=3606 /usr/bin/sudo guuid=0579967a-1a00-0000-6f26-41571e0e0000 pid=3614 /tmp/sample.bin guuid=cdd15078-1a00-0000-6f26-4157160e0000 pid=3606->guuid=0579967a-1a00-0000-6f26-41571e0e0000 pid=3614 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/646eb46d-5161-479d-8323-dd465c41ab86
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1857776
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)
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1857776 Sample: nabarm.elf Startdate: 26/01/2026 Architecture: LINUX Score: 68 58 87.103.40.211, 23 VODAFONE-PTVodafonePortugalPT Portugal 2->58 60 87.103.40.215, 23 VODAFONE-PTVodafonePortugalPT Portugal 2->60 62 100 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 nabarm.elf .systemd-journald 2->8         started        12 systemd gpu-manager 2->12         started        14 systemd gpu-manager 2->14         started        16 66 other processes 2->16 signatures3 process4 file5 56 /dev/shm/.systemd-journald, ELF 8->56 dropped 70 Drops invisible ELF files 8->70 72 Sample deletes itself 8->72 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 7 other processes 14->33 74 Sample reads /proc/mounts (often used for finding a writable filesystem) 16->74 27 gpu-manager sh 16->27         started        29 gpu-manager sh 16->29         started        35 52 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 6 other processes 33->52 54 37 other processes 35->54 process9 signatures10 76 Sample tries to kill multiple processes (SIGKILL) 47->76
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/ca77d67e3df43e1783c93abf617d6424a4052297fb3ca34e975f21921a2c0cb5
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ca77d67e3df43e1783c93abf617d6424a4052297fb3ca34e975f21921a2c0cb5/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-26 17:42:38 UTC
File Type:
ELF32 Little (Exe)
AV detection:
13 of 36 (36.11%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zj35m7r56q7bpa6jhk7wc7leessakiux7m6kgtuxl4qzegrmbs2q._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Link:
https://tria.ge/reports/260126-v99jmscw9c/
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/ca77d67e3df43e1783c93abf617d6424a4052297fb3ca34e975f21921a2c0cb5

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:Linux_Generic_Threat_d94e1020
Create hunting rule
Author:Elastic Security
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 ca77d67e3df43e1783c93abf617d6424a4052297fb3ca34e975f21921a2c0cb5

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3739241/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3740307/

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