MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e3fc379c9f1de9c19c6fe5378687300cf91558884c77cd408065c2f6acbc212f. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e3fc379c9f1de9c19c6fe5378687300cf91558884c77cd408065c2f6acbc212f
SHA3-384 hash: 5e0a2fa94726e65319b47695a0bf64baaef64b582c712826ec3457a8b69f4cbe45a0c260a46bd8b373f28da487e87693
SHA1 hash: 201acdc45b98c7aebf9297bf898c089793a46784
MD5 hash: ed7fcd5f10d8fb74beab79f00184db07
humanhash: california-burger-mike-south
File name:arm
Download: download sample
Signature Mirai
Create hunting rule
File size:107'244 bytes
First seen:2025-12-04 00:19:26 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:UM1rSl3RdCue2YAOaoH3XIgPYrOcOwItwjCHilsgLrASv25AQf:UM1ridC70O5IgPYrpXItw+ud25AQf
TLSH T142A32942FD828F13C5C622B6F7AE018D37117BA9D1DA3203DD25BFA133865DA1C6A661
telfhash t1adc0804519501d5f5bf0471cd18c555949b0fcbf6e0054329984d2e691c1580344d506
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 upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 a356051dc7001cd69c769ff9c4e9d620c7c7fad944df2a63285fa2f1cb3e52d2
File size (compressed) :44'140 bytes
File size (de-compressed) :107'244 bytes
Format:linux/arm
Packed file: a356051dc7001cd69c769ff9c4e9d620c7c7fad944df2a63285fa2f1cb3e52d2

Intelligence

File Origin
# of uploads :
1
# of downloads :
22
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Link:
https://research.acce.ciphertechsolutions.com/results/0664ee5a-94dc-4633-a625-65b0ac20f5a9/
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.Trojan.Mirai-9441505-0
Create hunting rule

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

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

Result
Verdict:
Malware
Maliciousness:
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
gcc rust
Link:
https://www.filescan.io/uploads/6930d3c7bba50eaf04200cb3/reports/cd17268a-a311-4ca7-81b0-f48a6d875633/overview
Result
Gathering data
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/5d3279e1-fcd3-419a-b807-b0b0d110bcd4
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1825986
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Deletes system log files
Manipulation of devices in /dev
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1825986 Sample: arm.elf Startdate: 04/12/2025 Architecture: LINUX Score: 72 51 Antivirus detection for dropped file 2->51 53 Antivirus / Scanner detection for submitted sample 2->53 55 Multi AV Scanner detection for submitted file 2->55 9 arm.elf 2->9         started        12 python3.8 dpkg 2->12         started        process3 file4 49 /usr/local/bin/infinitd, ELF 9->49 dropped 14 arm.elf 9->14         started        16 arm.elf 9->16         started        18 arm.elf 9->18         started        20 3 other processes 9->20 process5 process6 22 arm.elf 14->22         started        25 arm.elf 16->25         started        27 arm.elf 16->27         started        29 arm.elf 18->29         started        31 arm.elf 18->31         started        33 sh 20->33         started        35 sh 20->35         started        signatures7 57 Manipulation of devices in /dev 22->57 59 Deletes system log files 22->59 37 arm.elf 25->37         started        39 arm.elf 25->39         started        41 arm.elf 29->41         started        43 arm.elf 31->43         started        process8 process9 45 arm.elf 37->45         started        47 arm.elf 39->47         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/e3fc379c9f1de9c19c6fe5378687300cf91558884c77cd408065c2f6acbc212f
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/e3fc379c9f1de9c19c6fe5378687300cf91558884c77cd408065c2f6acbc212f/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-04 00:20:25 UTC
File Type:
ELF32 Little (Exe)
AV detection:
22 of 36 (61.11%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=4p6dphe7dxu4dhdp4u3ynbzqbt4rkweijr342qeamxbpnlf4eexq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai
Link:
https://tria.ge/reports/251204-amy46sak8w/
Malware Config
C2 Extraction:
teamc2.duckdns.org
Please note that we are no longer able to provide a coverage score for Virus Total.

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_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_d94e1020
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 a356051dc7001cd69c769ff9c4e9d620c7c7fad944df2a63285fa2f1cb3e52d2

Mirai

elf e3fc379c9f1de9c19c6fe5378687300cf91558884c77cd408065c2f6acbc212f

(this sample)

  
Dropped by
SHA256 a356051dc7001cd69c769ff9c4e9d620c7c7fad944df2a63285fa2f1cb3e52d2
  
URLhaus
https://urlhaus.abuse.ch/url/3724381/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 7eeb153700a19b11d2475339cb331993

Comments