MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f7b3a9d0785dff33bd3e8de2716efd1d12a95250ae9004843c7971c44f9940ab. 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: f7b3a9d0785dff33bd3e8de2716efd1d12a95250ae9004843c7971c44f9940ab
SHA3-384 hash: aaa759693ef6187a632ebd3c815f5c43de14bfb92977280d7215741e7574791fd3265b6456f8a679696d24f220daf3e8
SHA1 hash: 10728771b20b8cd0d368ee114da4e5916c05b152
MD5 hash: 1e38ee6c346c13297fbf7b3c11261586
humanhash: steak-beer-april-sodium
File name:jklarm7
Download: download sample
Signature Mirai
Create hunting rule
File size:103'776 bytes
First seen:2025-12-29 13:17:14 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:AnIvIqwZpI/1mkrP3a/KsG81G2b87csOP/5T2:AnIgqwZpI/nfa/KsG802b877E
TLSH T1A9A3F78AF9819B22C5D522BEFE1E11CD331357A8E3EF7202DD105B25778A92B0E7B541
telfhash t1e7e02bc9dc145cecbbc9508084edd16649f5b21f1f057453115e990dc4c3d4fb0190b2
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
42
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

Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
rust
Link:
https://www.filescan.io/uploads/69527f698d1aa9829e266ea0/reports/aef58936-6d75-4e08-accb-0ce5bfc3b36d/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-29T10:25:00Z UTC
Last seen:
2025-12-30T03:47:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.gen
Link:
https://opentip.kaspersky.com/f7b3a9d0785dff33bd3e8de2716efd1d12a95250ae9004843c7971c44f9940ab/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/87bcb845-e9c7-4361-b170-8078ea2d36b2
Behavior Graph:
Download SVG
%3 guuid=4b82ffef-1800-0000-dfb2-f7b00a070000 pid=1802 /usr/bin/sudo guuid=afbe7df3-1800-0000-dfb2-f7b00f070000 pid=1807 /tmp/sample.bin guuid=4b82ffef-1800-0000-dfb2-f7b00a070000 pid=1802->guuid=afbe7df3-1800-0000-dfb2-f7b00f070000 pid=1807 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/31faf100-7992-4d5a-a815-3a4d80415af0
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
60 / 100
Link:
https://www.joesandbox.com/analysis/1841398
Signature
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1841398 Sample: jklarm7.elf Startdate: 29/12/2025 Architecture: LINUX Score: 60 22 175.199.1.224, 23 KIXS-AS-KRKoreaTelecomKR Korea Republic of 2->22 24 175.199.105.217, 23, 33660 KIXS-AS-KRKoreaTelecomKR Korea Republic of 2->24 26 100 other IPs or domains 2->26 28 Multi AV Scanner detection for submitted file 2->28 30 Yara detected Mirai 2->30 32 Connects to many IPs within the same subnet mask (likely port scanning) 2->32 8 jklarm7.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        signatures3 process4 process5 14 jklarm7.elf 8->14         started        process6 16 jklarm7.elf 14->16         started        18 jklarm7.elf 14->18         started        20 jklarm7.elf 14->20         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/f7b3a9d0785dff33bd3e8de2716efd1d12a95250ae9004843c7971c44f9940ab
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f7b3a9d0785dff33bd3e8de2716efd1d12a95250ae9004843c7971c44f9940ab/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/f7b3a9d0785dff33bd3e8de2716efd1d12a95250ae9004843c7971c44f9940ab
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-29 13:18:17 UTC
File Type:
ELF32 Little (Exe)
AV detection:
12 of 24 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=66z2tudylx7thpj6rxrhc3x5dujksusqv2iajbb4pfy4it4zicvq._file
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery
Link:
https://tria.ge/reports/251229-qjlbxazqcz/
Behaviour
Reads runtime system information
Changes its process name
Reads system network configuration
Enumerates active TCP sockets
Renames itself
Contacts a large (20787) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-7755770-0
YARA:
n/a
Link:
https://app.threat.zone/submission/48cab569-a530-4ca8-aaa1-f8c3ff83f0c8
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/f7b3a9d0785dff33bd3e8de2716efd1d12a95250ae9004843c7971c44f9940ab

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_8299c877
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 f7b3a9d0785dff33bd3e8de2716efd1d12a95250ae9004843c7971c44f9940ab

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3739149/
  
Delivery method
Distributed via web download

Comments