MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b78f9850c14eaa03f73aff578c1ebac305fb2428b2ed3fb2621ff29f4564d0b2. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b78f9850c14eaa03f73aff578c1ebac305fb2428b2ed3fb2621ff29f4564d0b2
SHA3-384 hash: 8916c2572ffb5ead65f27471966b94262d2cbbcbebeb8897734d9d04c762ac650ad737c7aa1e3ef07cfdea556c1c648f
SHA1 hash: f175402d43aab1d3db39c76043fa4669cc87599c
MD5 hash: 8d5bb5eb86f53a4c0bad9de412c96072
humanhash: summer-missouri-cardinal-georgia
File name:arm4
Download: download sample
Signature Mirai
Create hunting rule
File size:93'656 bytes
First seen:2025-08-01 11:11:28 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:NhI7rV97fgKJ/wKko7LH+2Wt1fU2+Alu0pekgrlgOl1Oz47CgDa5K/vQWn+:NhIPrgA/wsGB/M2Lnkkgr7pj/n+
TLSH T1B7932981B841A626C6C146B7FF5F028D371A57A8D2EA3303DD281FA1778B85B0E67746
telfhash t15f11c0f26b990dad3be0d398d1d561184fec72fd1b0906728919170e86661e2f00fa0a
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 :
31
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.31069.LX.BOT.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.31075.LX.BOT.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-9885259-0
Create hunting rule

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

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

Result
Verdict:
Malware
Maliciousness:
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
base64 rust
Link:
https://www.filescan.io/uploads/688ca11f32e61090868a1cd0/reports/9cee5359-9e70-4f58-91ba-5154316474dc/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
0
Number of processes launched:
0
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/b78f9850c14eaa03f73aff578c1ebac305fb2428b2ed3fb2621ff29f4564d0b2
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/e1514b43-ba2e-4792-8642-973a067ba2a0
Behavior Graph:
Download SVG
%3 guuid=b9851e52-1900-0000-811a-fb824a0b0000 pid=2890 /usr/bin/sudo guuid=7efc0154-1900-0000-811a-fb82510b0000 pid=2897 /tmp/sample.bin guuid=b9851e52-1900-0000-811a-fb824a0b0000 pid=2890->guuid=7efc0154-1900-0000-811a-fb82510b0000 pid=2897 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/1c136c30-8c22-412c-abcb-dea23f785300
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1748366
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1748366 Sample: arm4.elf Startdate: 01/08/2025 Architecture: LINUX Score: 64 12 54.171.230.55, 37908, 443 AMAZON-02US United States 2->12 14 Antivirus / Scanner detection for submitted sample 2->14 16 Multi AV Scanner detection for submitted file 2->16 18 Yara detected Mirai 2->18 6 dash rm 2->6         started        8 dash rm 2->8         started        10 arm4.elf 2->10         started        signatures3 process4
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b78f9850c14eaa03f73aff578c1ebac305fb2428b2ed3fb2621ff29f4564d0b2
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b78f9850c14eaa03f73aff578c1ebac305fb2428b2ed3fb2621ff29f4564d0b2/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-08-01 11:12:27 UTC
File Type:
ELF32 Little (Exe)
AV detection:
22 of 38 (57.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=w6hzqugbj2vah5z275lyyhv2ymc7wjbiwlwt7mtcd7zj6rle2cza._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:botnet
Link:
https://tria.ge/reports/250801-na2w7azks9/
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-9885259-0
YARA:
n/a
Link:
https://app.threat.zone/submission/35339adb-1142-47f8-ab86-53900a58a47c
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/b78f9850c14eaa03f73aff578c1ebac305fb2428b2ed3fb2621ff29f4564d0b2

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:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
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 b78f9850c14eaa03f73aff578c1ebac305fb2428b2ed3fb2621ff29f4564d0b2

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3591042/
  
Delivery method
Distributed via web download

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