MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4a90f3b91f09616f2e2c35443b2125e50faa5ff8466d421fcf2b62cc13f39915. 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: 13


Intelligence 13 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4a90f3b91f09616f2e2c35443b2125e50faa5ff8466d421fcf2b62cc13f39915
SHA3-384 hash: e414d860dcb5dfb9c8e5ce5f498294961102f4d8f8c6cee73b1ce61ddc57909a77401ebab56634b5f83dbe496148bc0b
SHA1 hash: 0c035d222109fea698b2e3959739ac0afd55eedf
MD5 hash: 41b5df49cd863e7c406a7e24b17b4b54
humanhash: mexico-oven-lactose-chicken
File name:morte.arm5
Download: download sample
Signature Mirai
Create hunting rule
File size:51'108 bytes
First seen:2025-10-12 17:36:48 UTC
Last seen:2025-10-16 16:23:43 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:9ZyyN71CsoMLyqEmh+CV9fIrh5FwuMfbj89mNBhcjoAHVPnY2LHBNKn+KmzaK:9pjoqEuPGFwuMfbXcDFnY44K
TLSH T11D331841FCD2996EC6C4137AA77E258F3311B3A8D2CF3607CD586F21768661F4DAAA01
telfhash t10fe06140fe764b1884e75a34ecdd47b495116217a1664710cf54daf0883f15ca71cd5e
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
File size (compressed) :23'536 bytes
File size (de-compressed) :51'108 bytes
Format:linux/arm
Packed file: 840338641de8309cc057b9b05934821d899275bf26d35c48900493d4d21d32b6

Intelligence

File Origin
# of uploads :
2
# of downloads :
76
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.30435.LC.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Siggen.9999-6.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-7100807-0
Create hunting rule

Unix.Dropper.Mirai-7135897-0
Create hunting rule

Unix.Dropper.Mirai-7135901-0
Create hunting rule

Unix.Dropper.Mirai-7135909-0
Create hunting rule

Unix.Trojan.Mirai-7135916-0
Create hunting rule

Unix.Dropper.Mirai-7135918-0
Create hunting rule

Unix.Dropper.Mirai-7135954-0
Create hunting rule

Unix.Dropper.Mirai-7136016-0
Create hunting rule

Unix.Dropper.Mirai-7136028-0
Create hunting rule

Unix.Trojan.Mirai-8025795-0
Create hunting rule

Unix.Dropper.Mirai-10007027-0
Create hunting rule

Unix.Trojan.Mirai-10009361-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gcc masquerade obfuscated rust
Link:
https://www.filescan.io/uploads/68ebe76471883144ef32f060/reports/3ef1c70d-e420-423d-9619-490f20d3ea77/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/4a90f3b91f09616f2e2c35443b2125e50faa5ff8466d421fcf2b62cc13f39915
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-10-12T15:41:00Z UTC
Last seen:
2025-10-13T10:28:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj
Link:
https://opentip.kaspersky.com/4a90f3b91f09616f2e2c35443b2125e50faa5ff8466d421fcf2b62cc13f39915/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/9b35a1dc-5bc4-455c-8e36-1af949f665cf
Behavior Graph:
Download SVG
%3 guuid=a5a9d4cd-1600-0000-bffe-50a77d0c0000 pid=3197 /usr/bin/sudo guuid=ad9ed9cf-1600-0000-bffe-50a7800c0000 pid=3200 /tmp/sample.bin guuid=a5a9d4cd-1600-0000-bffe-50a77d0c0000 pid=3197->guuid=ad9ed9cf-1600-0000-bffe-50a7800c0000 pid=3200 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/223528b2-dbe6-46f6-945c-357f05921896
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
56 / 100
Link:
https://www.joesandbox.com/analysis/1793612
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1793612 Sample: morte.arm5.elf Startdate: 12/10/2025 Architecture: LINUX Score: 56 14 169.254.169.254, 80 USDOSUS Reserved 2->14 16 109.202.202.202, 80 INIT7CH Switzerland 2->16 18 3 other IPs or domains 2->18 20 Antivirus / Scanner detection for submitted sample 2->20 22 Multi AV Scanner detection for submitted file 2->22 6 dash rm 2->6         started        8 dash rm 2->8         started        10 python3.8 dpkg 2->10         started        12 morte.arm5.elf 2->12         started        signatures3 process4
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/4a90f3b91f09616f2e2c35443b2125e50faa5ff8466d421fcf2b62cc13f39915
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4a90f3b91f09616f2e2c35443b2125e50faa5ff8466d421fcf2b62cc13f39915/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/4a90f3b91f09616f2e2c35443b2125e50faa5ff8466d421fcf2b62cc13f39915
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-10-12 17:37:37 UTC
File Type:
ELF32 Little (Exe)
AV detection:
23 of 36 (63.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jkiphoi7bfqw6lrmgvcdwijf4uh2ux7yizwueh6pfnrmye7ttekq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai
Link:
https://tria.ge/reports/251012-v7fhsaxny6/
Malware Config
C2 Extraction:
uraniumc2.ddns.net
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-7100807-0
YARA:
n/a
Link:
https://app.threat.zone/submission/df2ed64c-84f7-4b81-8f48-2dd055c53013
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.20
Link:
https://yomi.yoroi.company/submissions/4a90f3b91f09616f2e2c35443b2125e50faa5ff8466d421fcf2b62cc13f39915

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:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:SUSP_XORed_Mozilla_Oct19
Create hunting rule
Author:Florian Roth
Description:Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()
Rule name:SUSP_XORed_Mozilla_RID2DB4
Create hunting rule
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
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 4a90f3b91f09616f2e2c35443b2125e50faa5ff8466d421fcf2b62cc13f39915

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3630233/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3670489/

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