MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b981c797d9bf1e54336d40d4e935ac89815015ffeacca4b089471d0d33c935e4. 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: 10


Intelligence 10 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b981c797d9bf1e54336d40d4e935ac89815015ffeacca4b089471d0d33c935e4
SHA3-384 hash: cdd83ab329adee47b65cdd3c7c95b79981fa6c6981ff612d0c0029e224cbfb37ce09501bc54f71b296cdea882a0b7050
SHA1 hash: 29b90f21c3f49e6e1bd2974ece4f2d7ab5a39dca
MD5 hash: 30097c746750b35f491b01799ff43471
humanhash: fillet-diet-arkansas-william
File name:nabarm5
Download: download sample
Signature Mirai
Create hunting rule
File size:58'544 bytes
First seen:2026-01-11 01:43:29 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:tvMNWp6H+odPuBprqhUbh3TkKmNhqknBerrUau/MCKwaPxLlDA+T2bVRj+QQ:tMk+dPuBprqKtGqXHb6sx9jT2bVR
TLSH T15843F999BD86DA12C6D46177FF4E42DC371643A8E2EF7303A9186B24769782B0E3B141
telfhash t10ff02454c99026c8b7f49e0202ee72727a6c6dfcb0c01aa0a3b9ad8d0606f92b524477
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 :
67
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Sanesecurity.Malware.31075.LX.BOT.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-7755770-0
Create hunting rule

Unix.Trojan.Mirai-9885259-0
Create hunting rule

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

Unix.Trojan.Gafgyt-6735924-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
mirai rust
Link:
https://www.filescan.io/uploads/6963007707ef5fa68e84007e/reports/3950b008-cabd-4f37-991b-122431d5a746/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-01-11T00:08:00Z UTC
Last seen:
2026-01-11T00:51:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/b981c797d9bf1e54336d40d4e935ac89815015ffeacca4b089471d0d33c935e4/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/90624f07-46a1-4b6e-b313-581578e9f779
Behavior Graph:
Download SVG
%3 guuid=53e9cf1b-1800-0000-6713-f97a5b090000 pid=2395 /usr/bin/sudo guuid=e1cc631d-1800-0000-6713-f97a5c090000 pid=2396 /tmp/sample.bin guuid=53e9cf1b-1800-0000-6713-f97a5b090000 pid=2395->guuid=e1cc631d-1800-0000-6713-f97a5c090000 pid=2396 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d6a3bcfc-02e3-4dff-91e6-94384140479d
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
56 / 100
Link:
https://www.joesandbox.com/analysis/1848143
Signature
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1848143 Sample: nabarm5.elf Startdate: 11/01/2026 Architecture: LINUX Score: 56 18 181.84.104.137, 23 TelecomArgentinaSAAR Argentina 2->18 20 181.84.11.47, 23 TelecomArgentinaSAAR Argentina 2->20 22 100 other IPs or domains 2->22 24 Multi AV Scanner detection for submitted file 2->24 26 Yara detected Mirai 2->26 8 nabarm5.elf 2->8         started        signatures3 process4 process5 10 nabarm5.elf 8->10         started        process6 12 nabarm5.elf 10->12         started        14 nabarm5.elf 10->14         started        16 nabarm5.elf 10->16         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b981c797d9bf1e54336d40d4e935ac89815015ffeacca4b089471d0d33c935e4
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b981c797d9bf1e54336d40d4e935ac89815015ffeacca4b089471d0d33c935e4/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-11 01:44:26 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=xga4pf6zx4pfim3nidkosnnmrgavafp75lgkjmeji4oq2m6jgxsa._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Link:
https://tria.ge/reports/260111-b51w6ads4h/
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-7755770-0
YARA:
n/a
Link:
https://app.threat.zone/submission/85bc0f43-7e5f-4920-a344-ac07b1282875
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/b981c797d9bf1e54336d40d4e935ac89815015ffeacca4b089471d0d33c935e4

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 b981c797d9bf1e54336d40d4e935ac89815015ffeacca4b089471d0d33c935e4

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3740301/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3739227/

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