MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a7a18b400a8169af05a973dd959df56c342a2efb3413c9cf886d32194c540cdf. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a7a18b400a8169af05a973dd959df56c342a2efb3413c9cf886d32194c540cdf
SHA3-384 hash: d8ef83d48c188a0debe17e2b11a146847567108a333a2158368399fa4d7a5d5aabe74bee0b71dc6bfdba414e5cf4482e
SHA1 hash: 3845529e12d5d8e0206ac1598b964ec28873e6f7
MD5 hash: a9e7031ebc0926a125acb6c24de420ba
humanhash: magnesium-moon-vegan-angel
File name:nabsh4
Download: download sample
Signature Mirai
Create hunting rule
File size:91'308 bytes
First seen:2025-12-16 12:25:29 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:f63cIyZxMipu9/+XNlYRHDgUbUjF5nS409wC5rpPPoCkIVE:0ixMipu9/+XNlYWjXnA9w0VPgCXV
TLSH T175936C32C5154EBAE55C49F8F1914D78C3231652A78B2D7D98B68093098F98FF90A3FB
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 :
1
# of downloads :
98
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-9933849-0
Create hunting rule

Unix.Trojan.Gafgyt-9940653-0
Create hunting rule

Unix.Trojan.Mirai-9951089-0
Create hunting rule

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

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
gafgyt mirai
Link:
https://www.filescan.io/uploads/69414fe8e8abb702f80443bc/reports/c80cf54d-8955-400d-856e-8a3eae1062f5/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-16T08:26:00Z UTC
Last seen:
2025-12-16T11:52:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/a7a18b400a8169af05a973dd959df56c342a2efb3413c9cf886d32194c540cdf/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/44f8763d-f395-4103-af2c-0b96689bd4ca
Behavior Graph:
Download SVG
%3 guuid=abbedb82-1a00-0000-e3f7-802c6e080000 pid=2158 /usr/bin/sudo guuid=78eb2885-1a00-0000-e3f7-802c77080000 pid=2167 /tmp/sample.bin guuid=abbedb82-1a00-0000-e3f7-802c6e080000 pid=2158->guuid=78eb2885-1a00-0000-e3f7-802c77080000 pid=2167 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/e1924779-5451-4a38-8cdf-4a568db64feb
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1833874
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
Sample scans a subnet
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1833874 Sample: nabsh4.elf Startdate: 16/12/2025 Architecture: LINUX Score: 64 22 213.43.23.50, 23, 32798, 33814 TURKCELL-ASTurkcellASTR Turkey 2->22 24 213.43.23.51, 23, 34282, 34926 TURKCELL-ASTurkcellASTR Turkey 2->24 26 100 other IPs or domains 2->26 28 Antivirus / Scanner detection for submitted sample 2->28 30 Multi AV Scanner detection for submitted file 2->30 32 Connects to many IPs within the same subnet mask (likely port scanning) 2->32 34 Sample scans a subnet 2->34 8 nabsh4.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        signatures3 process4 process5 14 nabsh4.elf 8->14         started        process6 16 nabsh4.elf 14->16         started        18 nabsh4.elf 14->18         started        20 nabsh4.elf 14->20         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/a7a18b400a8169af05a973dd959df56c342a2efb3413c9cf886d32194c540cdf
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a7a18b400a8169af05a973dd959df56c342a2efb3413c9cf886d32194c540cdf/
Threat name:
Linux.Backdoor.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2025-12-16 12:26:19 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=u6qywqakqfu26bnjopozlhpvnq2culx3gqj4tt4inuzbstcubtpq._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Link:
https://tria.ge/reports/251216-pmah5szjaj/
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-7755770-0
YARA:
n/a
Link:
https://app.threat.zone/submission/7d308ba2-a5de-4419-9de1-e41a759a740f
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/a7a18b400a8169af05a973dd959df56c342a2efb3413c9cf886d32194c540cdf

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_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
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 a7a18b400a8169af05a973dd959df56c342a2efb3413c9cf886d32194c540cdf

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3726343/
  
Delivery method
Distributed via web download

Comments