MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c37ed482dc4f51a198ebec5cbce5ccb03a7d591a108f5f6e3b3c96a388661314. 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: 12


Intelligence 12 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c37ed482dc4f51a198ebec5cbce5ccb03a7d591a108f5f6e3b3c96a388661314
SHA3-384 hash: 1ed9967a3cae8697c018bd6cdefc29fb678260871dece2440241e0247f6ff650b59e404d7899bec367ba9509f8c2f8c1
SHA1 hash: 02a937721a417d37ca224a2a442eb66f69b423a1
MD5 hash: dbbfc41101d281284181405fb3bda5f4
humanhash: mexico-undress-oxygen-tennessee
File name:hold.arm5
Download: download sample
Signature Mirai
Create hunting rule
File size:75'512 bytes
First seen:2025-01-19 14:16:40 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:xsvvmvVQbZ+vtxeGdZsmWVMN7x7WrFnqbO3nbf1xP+OUO:xsvvFzoZsmWVMWnq2j103O
TLSH T176734A51BC815A13C6D112BBF7AE428E372523E8E3DE721B9E216F61338681F0D67E45
telfhash t1e041bafb9f680bec6be4c744874e50ac5be835e91b092553ce4c9b1fc5422d1b25e836
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 :
86
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Mirai-81.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.30455.LC.BadVar.UNOFFICIAL
Create hunting rule

Unix.Dropper.Mirai-7135906-0
Create hunting rule

Unix.Dropper.Mirai-7135966-0
Create hunting rule

Unix.Dropper.Mirai-7135979-0
Create hunting rule

Unix.Trojan.Mirai-9935718-0
Create hunting rule

Unix.Trojan.Mirai-9945193-0
Create hunting rule

Unix.Trojan.Mirai-9946826-0
Create hunting rule

Unix.Dropper.Mirai-10008433-0
Create hunting rule

Unix.Trojan.Mirai-10028946-0
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=678dd5bfe708b6e7a3ad7aa0linux22vpnfull_triage
Tags:
mirai virus
Result
Verdict:
Malware
Maliciousness:
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
lolbin masquerade remote
Link:
https://www.filescan.io/uploads/678d0962a133e9ca8d0c474b/reports/c42516fb-8a6d-4b9d-afda-1daa1d1d0512/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
46
Number of processes launched:
3
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/c37ed482dc4f51a198ebec5cbce5ccb03a7d591a108f5f6e3b3c96a388661314
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Verdict:
MALICIOUS
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c6687db6-195c-4a04-b7e8-e18501eb6fb6
Result
Threat name:
Mirai, Okiru
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1594620
Signature
Antivirus / Scanner detection for submitted sample
Connects to many ports of the same IP (likely port scanning)
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample reads /proc/mounts (often used for finding a writable filesystem)
Sample tries to kill a massive number of system processes
Sample tries to kill multiple processes (SIGKILL)
Yara detected Mirai
Yara detected Okiru
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1594620 Sample: hold.arm5.elf Startdate: 19/01/2025 Architecture: LINUX Score: 100 54 krkrdoskslansldkalsd.o-r.kr 193.143.1.66, 46002, 46004, 59708 BITWEB-ASRU unknown 2->54 56 Malicious sample detected (through community Yara rule) 2->56 58 Antivirus / Scanner detection for submitted sample 2->58 60 Multi AV Scanner detection for submitted file 2->60 62 3 other signatures 2->62 8 hold.arm5.elf 2->8         started        11 systemd gpu-manager 2->11         started        13 systemd gpu-manager 2->13         started        15 107 other processes 2->15 signatures3 process4 signatures5 64 Sample deletes itself 8->64 17 hold.arm5.elf 8->17         started        19 gpu-manager sh 11->19         started        21 gpu-manager sh 11->21         started        23 gpu-manager sh 11->23         started        29 4 other processes 11->29 31 6 other processes 13->31 66 Sample reads /proc/mounts (often used for finding a writable filesystem) 15->66 25 gpu-manager sh 15->25         started        27 gpu-manager sh 15->27         started        33 16 other processes 15->33 process6 process7 45 2 other processes 17->45 35 sh grep 19->35         started        37 sh grep 21->37         started        39 sh grep 23->39         started        41 sh grep 25->41         started        43 sh grep 27->43         started        48 4 other processes 29->48 50 6 other processes 31->50 52 9 other processes 33->52 signatures8 68 Sample tries to kill a massive number of system processes 45->68 70 Sample tries to kill multiple processes (SIGKILL) 45->70
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/c37ed482dc4f51a198ebec5cbce5ccb03a7d591a108f5f6e3b3c96a388661314
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c37ed482dc4f51a198ebec5cbce5ccb03a7d591a108f5f6e3b3c96a388661314/
Threat name:
Linux.Trojan.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-01-19 14:17:05 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=yn7njaw4j5i2dghl5rolzzomwa5h2wi2cchv63r3hslkhcdgcmka._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:unstable defense_evasion discovery
Link:
https://tria.ge/reports/250119-rln19a1kaw/
Behaviour
Reads runtime system information
Changes its process name
Enumerates running processes
Writes file to system bin folder
Deletes itself
Modifies Watchdog functionality
Verdict:
Malicious
Tags:
trojan gafgyt Unix.Dropper.Mirai-7135906-0
YARA:
Linux_Trojan_Gafgyt_28a2fe0c Linux_Gafgyt_May_2024
Link:
https://app.threat.zone/submission/7eb14aee-a871-4736-8da6-5479b5a9ebbc
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/c37ed482dc4f51a198ebec5cbce5ccb03a7d591a108f5f6e3b3c96a388661314

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_3bcc1630
Create hunting rule
Author:Elastic Security
Rule name:Linux_Generic_Threat_d94e1020
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Create hunting rule
Author:Elastic Security
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 c37ed482dc4f51a198ebec5cbce5ccb03a7d591a108f5f6e3b3c96a388661314

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3405911/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3405936/

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