MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5f31b55735c7454fcb57065d07ab86cf800da713fcccd80fdb9f759f5b454d13. 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 2 File information Comments

SHA256 hash: 5f31b55735c7454fcb57065d07ab86cf800da713fcccd80fdb9f759f5b454d13
SHA3-384 hash: 3353564f2ee40d16c2d3db7a8d7e265d42b4ce95b057d41a6ba313e6eaa381990c58d701ca730943ac1474b99579fea9
SHA1 hash: fc0d3a5d78c54653b7310cc543f0fd60f7edb2f4
MD5 hash: fccea45f7546a8ecfb5bd9db668b3526
humanhash: lactose-carpet-thirteen-video
File name:nabarm5
Download: download sample
Signature Mirai
File size:87'472 bytes
First seen:2025-12-29 06:16:59 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:H8Vt95wC3V/33fxik9mIEkMpkaolcYHdCKg8nF8VR15vk:cT9z3V3pi0EfploNHdVg8nF65vk
TLSH T11B830853BD808F5AC6C4167EFF4E52AC77564394D2DE320BBB048B52378B02A1D2F65A
telfhash t12f41cefb97a50edc2bca5a5442cd21195ee8398b5f0265d3ca4caf8f8453502f02e937
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 :
60
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
gafgyt mirai rust
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-28T21:27:00Z UTC
Last seen:
2025-12-28T21:47:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=e7d8acc5-1800-0000-4609-38015c0d0000 pid=3420 /usr/bin/sudo guuid=f16af0c7-1800-0000-4609-3801660d0000 pid=3430 /tmp/sample.bin guuid=e7d8acc5-1800-0000-4609-38015c0d0000 pid=3420->guuid=f16af0c7-1800-0000-4609-3801660d0000 pid=3430 execve
Result
Threat name:
Detection:
malicious
Classification:
troj
Score:
68 / 100
Signature
Antivirus / Scanner detection for submitted sample
Connects to many IPs within the same subnet mask (likely port scanning)
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1841233 Sample: nabarm5.elf Startdate: 29/12/2025 Architecture: LINUX Score: 68 18 37.34.59.243, 23 TRANSIP-ASAmsterdamtheNetherlandsNL Netherlands 2->18 20 37.34.107.212, 23 MOLDCELL_ASstrBelgrad3MD Moldova Republic of 2->20 22 100 other IPs or domains 2->22 24 Antivirus / Scanner detection for submitted sample 2->24 26 Multi AV Scanner detection for submitted file 2->26 28 Yara detected Mirai 2->28 30 Connects to many IPs within the same subnet mask (likely port scanning) 2->30 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       
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-12-29 06:17:18 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-7755770-0
YARA:
n/a
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:Linux_Generic_Threat_d94e1020
Author:Elastic Security
Rule name:unixredflags3
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 5f31b55735c7454fcb57065d07ab86cf800da713fcccd80fdb9f759f5b454d13

(this sample)

  
Delivery method
Distributed via web download

Comments