MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d2f975f91e7dd0c2a1ebbfe95b2be35c72f59f63917255fcf7df58c97b4897d8. 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 1 File information Comments

SHA256 hash: d2f975f91e7dd0c2a1ebbfe95b2be35c72f59f63917255fcf7df58c97b4897d8
SHA3-384 hash: b628930f750438c5ee4a486aa01f46f632b780972c2662a31cf186792a266baa6f309ce3e572720ed6d262dac94eb133
SHA1 hash: 3ffbc638fe6864f82444dd06cae5c04da13c7b74
MD5 hash: c2a98e42fbf8471d6e99c23cb4493781
humanhash: summer-stairway-delaware-sierra
File name:nabsh4
Download: download sample
Signature Mirai
File size:83'324 bytes
First seen:2025-12-29 06:32:43 UTC
Last seen:2025-12-30 00:42:17 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:Rdk+MhaRQ4Sufs0cqAbCISTOG7gL6xUcn5yMd0pKCX2oYZICQ8VRBVx:3eQRQ4Sufs0c/uIAkTc5yY0AW9RCQKV
TLSH T13B835BA290581D69F254CF7278A04ABD9733657117423EBE20B6E8D14003DEAF27F76E
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 gafgyt mirai

Intelligence


File Origin
# of uploads :
2
# of downloads :
100
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
mirai
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=867ec5ed-1600-0000-1d50-dd5b9e0d0000 pid=3486 /usr/bin/sudo guuid=80421af0-1600-0000-1d50-dd5ba70d0000 pid=3495 /tmp/sample.bin guuid=867ec5ed-1600-0000-1d50-dd5b9e0d0000 pid=3486->guuid=80421af0-1600-0000-1d50-dd5ba70d0000 pid=3495 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: 1841226 Sample: nabsh4.elf Startdate: 29/12/2025 Architecture: LINUX Score: 68 18 185.9.109.192, 23 ZGT-ASDE Germany 2->18 20 185.9.162.36, 23 VITA-ASRU Russian Federation 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 nabsh4.elf 2->8         started        signatures3 process4 process5 10 nabsh4.elf 8->10         started        process6 12 nabsh4.elf 10->12         started        14 nabsh4.elf 10->14         started        16 nabsh4.elf 10->16         started       
Threat name:
Linux.Backdoor.Gafgyt
Status:
Malicious
First seen:
2025-12-29 06:33:20 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
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: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 d2f975f91e7dd0c2a1ebbfe95b2be35c72f59f63917255fcf7df58c97b4897d8

(this sample)

  
Delivery method
Distributed via web download

Comments