MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b9bd8c3bc138f3a2cd136b6224358d2ac7f4a779efe65e5b8c96458e79950e88. 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: 8


Intelligence 8 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b9bd8c3bc138f3a2cd136b6224358d2ac7f4a779efe65e5b8c96458e79950e88
SHA3-384 hash: 9b097231a936cd828e0a5dbd70edab60a8f5fd6dbae38300ae8bc147b7f1e7892549c8932f3bcc5beef8cb712e996a27
SHA1 hash: f6c74045a2d4f9f32bcefca0bc4be5dec9259ecd
MD5 hash: 13e92d46ac1ffa4d9d2153665b72351f
humanhash: bulldog-idaho-triple-robin
File name:arm
Download: download sample
Signature Mirai
Create hunting rule
File size:83'136 bytes
First seen:2025-12-25 00:51:25 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:RdmKVoninjCM3ZYE6mb/+L+vE7KMic6Avo6YMYDwFxvSTw1:RdRC0ja+vE7KMic6H6hYwRSTS
TLSH T1F4832985BC919A12C6D423BBFA2F428C332653A8D2EF7207DD255F15778A82F0E7B541
telfhash t1255102e7db541bdca3d6918582ce601e5bfe348e0f2128a38a4d6f4fc5422d2b02d833
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 :
73
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.Gafgyt-6735924-0
Create hunting rule

Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
rust
Link:
https://www.filescan.io/uploads/694c8ac2e126b9ff43908633/reports/d3aec4ca-437f-416a-a8b1-e49a4ddf0f46/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-24T23:16:00Z UTC
Last seen:
2025-12-24T23:39:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/b9bd8c3bc138f3a2cd136b6224358d2ac7f4a779efe65e5b8c96458e79950e88/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/af32822c-3462-4b39-b99b-3d4e58bdf62a
Behavior Graph:
Download SVG
%3 guuid=61fbb7e7-1700-0000-d7a9-7b8c6d0c0000 pid=3181 /usr/bin/sudo guuid=7109f0e9-1700-0000-d7a9-7b8c720c0000 pid=3186 /tmp/sample.bin guuid=61fbb7e7-1700-0000-d7a9-7b8c6d0c0000 pid=3181->guuid=7109f0e9-1700-0000-d7a9-7b8c720c0000 pid=3186 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/dfc64f91-e48f-4a3f-9a30-8c69579e5de6
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj
Score:
52 / 100
Link:
https://www.joesandbox.com/analysis/1839122
Signature
Connects to many IPs within the same subnet mask (likely port scanning)
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1839122 Sample: arm.elf Startdate: 25/12/2025 Architecture: LINUX Score: 52 18 196.191.10.31, 23 EthioNet-ASET Ethiopia 2->18 20 196.191.10.32 EthioNet-ASET Ethiopia 2->20 22 100 other IPs or domains 2->22 24 Multi AV Scanner detection for submitted file 2->24 26 Connects to many IPs within the same subnet mask (likely port scanning) 2->26 8 arm.elf 2->8         started        signatures3 process4 process5 10 arm.elf 8->10         started        process6 12 arm.elf 10->12         started        14 arm.elf 10->14         started        16 arm.elf 10->16         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b9bd8c3bc138f3a2cd136b6224358d2ac7f4a779efe65e5b8c96458e79950e88
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b9bd8c3bc138f3a2cd136b6224358d2ac7f4a779efe65e5b8c96458e79950e88/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-25 00:52:20 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xg6yyo6bhdz2ftitnnrcinmnfld7jj3z57tf4w4mszcy46mvb2ea._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Link:
https://tria.ge/reports/251225-a7r7cswkcn/
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-7755770-0
YARA:
n/a
Link:
https://app.threat.zone/submission/def56963-2777-4fc3-9cc5-70143f4d7350
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/b9bd8c3bc138f3a2cd136b6224358d2ac7f4a779efe65e5b8c96458e79950e88

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 b9bd8c3bc138f3a2cd136b6224358d2ac7f4a779efe65e5b8c96458e79950e88

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3739170/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3739231/
  
URLhaus
https://urlhaus.abuse.ch/url/3739232/

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