MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b3741a85b48df1a118b97fc257d4e5382a70e3997de6cab75f343d0d50f21fa7. 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: 11


Intelligence 11 IOCs YARA 13 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b3741a85b48df1a118b97fc257d4e5382a70e3997de6cab75f343d0d50f21fa7
SHA3-384 hash: 16287c3a5ab358fae38b672fd5a5b6e00cf48e15cc81f64a050ab3ddef8df36c2d0074ec85a33b488dd4389433efdfed
SHA1 hash: 4e81631aecac6cf3aa591d4416c5e3c9ed8c05e6
MD5 hash: cfd579a8a368226e4d5c684237a9f1e9
humanhash: delaware-fanta-single-failed
File name:morte.i686
Download: download sample
Signature Mirai
Create hunting rule
File size:83'220 bytes
First seen:2025-11-07 23:05:34 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:KKz1LffGPJL/Hch9qkEyQbW4cjJTaoLEAQkfsaFO:KKRGJjHBkEMRjJTaYE2FO
TLSH T1158339C1FE8BC1F5E91B88304076F23FCA32E96950B2875DDF5AAF36DA335415212299
telfhash t1a5314cf909bd08e4a7e49c80c24e6f71390ae73b34e0727142b399353267e1250b9c7b
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 4e69e1260daa921f93adcf988b4d504288889406972b7b05259f1031b5e6c952
File size (compressed) :39'392 bytes
File size (de-compressed) :83'220 bytes
Format:linux/i386
Packed file: 4e69e1260daa921f93adcf988b4d504288889406972b7b05259f1031b5e6c952

Intelligence

File Origin
# of uploads :
1
# of downloads :
49
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.30435.LC.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Siggen.9999-14.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

Unix.Trojan.Mirai-10017298-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Receives data from a server
Opens a port
Changes access rights for a written file
Sends data to a server
DNS request
Changes access rights for a file
Connection attempt
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gafgyt masquerade mirai obfuscated
Link:
https://www.filescan.io/uploads/690e7b6d2b74ec26eb6b39bf/reports/758e7a66-df30-4f93-8fc0-105480e44c39/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
46
Number of processes launched:
6
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/b3741a85b48df1a118b97fc257d4e5382a70e3997de6cab75f343d0d50f21fa7
Behaviour
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-11-07T21:20:00Z UTC
Last seen:
2025-11-08T01:57:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/b3741a85b48df1a118b97fc257d4e5382a70e3997de6cab75f343d0d50f21fa7/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/60a9f720-112b-442c-84c7-ac168c6779d8
Behavior Graph:
Download SVG
%3 guuid=5360d896-1500-0000-9f40-40b43f0c0000 pid=3135 /usr/bin/sudo guuid=cc7e8098-1500-0000-9f40-40b4460c0000 pid=3142 /tmp/sample.bin net guuid=5360d896-1500-0000-9f40-40b43f0c0000 pid=3135->guuid=cc7e8098-1500-0000-9f40-40b4460c0000 pid=3142 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=cc7e8098-1500-0000-9f40-40b4460c0000 pid=3142->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=3040a498-1500-0000-9f40-40b4480c0000 pid=3144 /tmp/sample.bin guuid=cc7e8098-1500-0000-9f40-40b4460c0000 pid=3142->guuid=3040a498-1500-0000-9f40-40b4480c0000 pid=3144 clone guuid=1795d8c4-1600-0000-9f40-40b40a0f0000 pid=3850 /tmp/sample.bin guuid=cc7e8098-1500-0000-9f40-40b4460c0000 pid=3142->guuid=1795d8c4-1600-0000-9f40-40b40a0f0000 pid=3850 clone guuid=3255dfc4-1600-0000-9f40-40b40b0f0000 pid=3851 /tmp/sample.bin net send-data zombie guuid=cc7e8098-1500-0000-9f40-40b4460c0000 pid=3142->guuid=3255dfc4-1600-0000-9f40-40b40b0f0000 pid=3851 clone guuid=ddf0aa98-1500-0000-9f40-40b4490c0000 pid=3145 /tmp/sample.bin guuid=3040a498-1500-0000-9f40-40b4480c0000 pid=3144->guuid=ddf0aa98-1500-0000-9f40-40b4490c0000 pid=3145 clone guuid=ba03ae98-1500-0000-9f40-40b44a0c0000 pid=3146 /tmp/sample.bin dns net send-data zombie guuid=3040a498-1500-0000-9f40-40b4480c0000 pid=3144->guuid=ba03ae98-1500-0000-9f40-40b44a0c0000 pid=3146 clone guuid=ba03ae98-1500-0000-9f40-40b44a0c0000 pid=3146->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 36B a1a7e44c-f53d-520b-b2c8-ccb9907e473c uraniumc2.ddns.net:12121 guuid=ba03ae98-1500-0000-9f40-40b44a0c0000 pid=3146->a1a7e44c-f53d-520b-b2c8-ccb9907e473c send: 10B guuid=77194a1f-1a00-0000-9f40-40b469140000 pid=5225 /tmp/sample.bin send-data guuid=ba03ae98-1500-0000-9f40-40b44a0c0000 pid=3146->guuid=77194a1f-1a00-0000-9f40-40b469140000 pid=5225 clone guuid=3255dfc4-1600-0000-9f40-40b40b0f0000 pid=3851->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 540B b2255150-2060-5b7f-9786-12d5e647a020 84.201.5.31:12121 guuid=3255dfc4-1600-0000-9f40-40b40b0f0000 pid=3851->b2255150-2060-5b7f-9786-12d5e647a020 con fe0a898b-b8bd-52a2-b5ce-886d14f8f800 50.7.22.221:0 guuid=77194a1f-1a00-0000-9f40-40b469140000 pid=5225->fe0a898b-b8bd-52a2-b5ce-886d14f8f800 send: 163880B guuid=ef52511f-1a00-0000-9f40-40b46a140000 pid=5226 /tmp/sample.bin guuid=77194a1f-1a00-0000-9f40-40b469140000 pid=5225->guuid=ef52511f-1a00-0000-9f40-40b46a140000 pid=5226 clone
Gathering data
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj
Score:
60 / 100
Link:
https://www.joesandbox.com/analysis/1810266
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Uses dynamic DNS services
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1810266 Sample: morte.i686.elf Startdate: 08/11/2025 Architecture: LINUX Score: 60 26 uraniumc2.ddns.net 2->26 28 169.254.169.254, 80 USDOSUS Reserved 2->28 30 6 other IPs or domains 2->30 32 Malicious sample detected (through community Yara rule) 2->32 34 Antivirus / Scanner detection for submitted sample 2->34 8 morte.i686.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        14 python3.8 dpkg 2->14         started        signatures3 36 Uses dynamic DNS services 26->36 process4 process5 16 morte.i686.elf 8->16         started        18 morte.i686.elf 8->18         started        20 morte.i686.elf 8->20         started        process6 22 morte.i686.elf 16->22         started        24 morte.i686.elf 16->24         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b3741a85b48df1a118b97fc257d4e5382a70e3997de6cab75f343d0d50f21fa7
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b3741a85b48df1a118b97fc257d4e5382a70e3997de6cab75f343d0d50f21fa7/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-11-07 23:06:22 UTC
File Type:
ELF32 Little (Exe)
AV detection:
27 of 38 (71.05%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wn2bvbnurxy2cgfzp7bfpvhfhavhby4zpxtmvn27gq6q2uhsd6tq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai defense_evasion discovery linux
Link:
https://tria.ge/reports/251107-23j4qsxqbm/
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Verdict:
Malicious
Tags:
trojan mirai Unix.Trojan.Mirai-7100807-0
YARA:
Linux_Trojan_Mirai_268aac0b Linux_Trojan_Mirai_0cb1699c Linux_Trojan_Mirai_70ef58f1 Linux_Trojan_Mirai_485c4b13 Linux_Trojan_Mirai_7d05725e Linux_Trojan_Mirai_2e3f67a9 Linux_Trojan_Mirai_0d73971c Linux_Trojan_Mirai_88de437f Linux_Trojan_Mirai_cc93863b
Link:
https://app.threat.zone/submission/30a2f984-ba3e-4d02-afc5-3244cee4879e
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/b3741a85b48df1a118b97fc257d4e5382a70e3997de6cab75f343d0d50f21fa7

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_Trojan_Mirai_0cb1699c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_0d73971c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_268aac0b
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_2e3f67a9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_485c4b13
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_70ef58f1
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_7d05725e
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
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 4e69e1260daa921f93adcf988b4d504288889406972b7b05259f1031b5e6c952

Mirai

elf b3741a85b48df1a118b97fc257d4e5382a70e3997de6cab75f343d0d50f21fa7

(this sample)

  
Dropped by
SHA256 4e69e1260daa921f93adcf988b4d504288889406972b7b05259f1031b5e6c952
  
Dropped by
MD5 80036cf348b1258b8e967d69327fba25
  
URLhaus
https://urlhaus.abuse.ch/url/3697426/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3697758/

Comments