MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 49b58742a41b9cf9e84d19448ccddd3d92c3227fcc7055fb205a9d90bd7cc3a6. 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: 9


Intelligence 9 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 49b58742a41b9cf9e84d19448ccddd3d92c3227fcc7055fb205a9d90bd7cc3a6
SHA3-384 hash: 7adc3056d4cc63485c62f6ad4735e33ce7d2c18b77502841195d518cb4009cf42c0a013157246c2d43cd9f9bb746c391
SHA1 hash: d50f50e865fe4fdaf4b8289b3407b58fd074fb83
MD5 hash: 330d990652279dafa913037cd7aa26e9
humanhash: twenty-happy-california-stairway
File name:nz.x86_64
Download: download sample
Signature Mirai
Create hunting rule
File size:49'468 bytes
First seen:2026-08-04 01:02:41 UTC
Last seen:2026-08-04 06:02:15 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:wPpbug3hrv2WQOHSf4sPAcei0QdkZLH6LiHMK2iFiv5g3xtE8YRIZCx0YZ:b+hrv2WQOHCAcd0pGIMK2i0vazYqwxZ
TLSH T1C323F1FF40BFDE7CC4268530AD61E1F8FEE77714800949CF166E6289A4E52C13B28991
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
File size (compressed) :49'468 bytes
File size (de-compressed) :117'712 bytes
Format:linux/amd64
Unpacked file: 83f84086ad20e076b387052e37b57e0a133b6b4f82b335208f8a6636bfbaebbb

Intelligence

File Origin
# of uploads :
2
# of downloads :
58
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/71fcb9e1-ee83-4e77-8d7c-f203f6d1ed1b/
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Sends data to a server
Connection attempt
Runs as daemon
DNS request
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
bashlite mirai packed upx
Link:
https://www.filescan.io/uploads/6a713a63e68b14a600054a0d/reports/7fcf15db-938b-4086-bce5-c479dc0d6f72/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
UPX
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/49b58742a41b9cf9e84d19448ccddd3d92c3227fcc7055fb205a9d90bd7cc3a6
Behaviour
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/266eb289-6dba-421b-bee4-442f21565a8c
Behavior Graph:
Download SVG
%3 guuid=abaad7e2-1b00-0000-e8f3-22a3240a0000 pid=2596 /usr/bin/sudo guuid=b57d14ea-1b00-0000-e8f3-22a32b0a0000 pid=2603 /tmp/sample.bin mprotect-exec net guuid=abaad7e2-1b00-0000-e8f3-22a3240a0000 pid=2596->guuid=b57d14ea-1b00-0000-e8f3-22a32b0a0000 pid=2603 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=b57d14ea-1b00-0000-e8f3-22a32b0a0000 pid=2603->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=618bd1eb-1b00-0000-e8f3-22a32e0a0000 pid=2606 /tmp/sample.bin guuid=b57d14ea-1b00-0000-e8f3-22a32b0a0000 pid=2603->guuid=618bd1eb-1b00-0000-e8f3-22a32e0a0000 pid=2606 clone guuid=84b1691a-1d00-0000-e8f3-22a3780b0000 pid=2936 /tmp/sample.bin guuid=b57d14ea-1b00-0000-e8f3-22a32b0a0000 pid=2603->guuid=84b1691a-1d00-0000-e8f3-22a3780b0000 pid=2936 clone guuid=bb896f1a-1d00-0000-e8f3-22a3790b0000 pid=2937 /tmp/sample.bin net send-data zombie guuid=b57d14ea-1b00-0000-e8f3-22a32b0a0000 pid=2603->guuid=bb896f1a-1d00-0000-e8f3-22a3790b0000 pid=2937 clone guuid=6002adec-1b00-0000-e8f3-22a3300a0000 pid=2608 /tmp/sample.bin guuid=618bd1eb-1b00-0000-e8f3-22a32e0a0000 pid=2606->guuid=6002adec-1b00-0000-e8f3-22a3300a0000 pid=2608 clone guuid=d54db3ec-1b00-0000-e8f3-22a3310a0000 pid=2609 /tmp/sample.bin net send-data zombie guuid=618bd1eb-1b00-0000-e8f3-22a32e0a0000 pid=2606->guuid=d54db3ec-1b00-0000-e8f3-22a3310a0000 pid=2609 clone guuid=d54db3ec-1b00-0000-e8f3-22a3310a0000 pid=2609->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 990B 310a0ed0-c544-54ca-bf3f-fca55e459297 65.222.202.53:80 guuid=d54db3ec-1b00-0000-e8f3-22a3310a0000 pid=2609->310a0ed0-c544-54ca-bf3f-fca55e459297 send: 4B guuid=bb896f1a-1d00-0000-e8f3-22a3790b0000 pid=2937->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 825B guuid=bb896f1a-1d00-0000-e8f3-22a3790b0000 pid=2937->310a0ed0-c544-54ca-bf3f-fca55e459297 send: 2B
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/f95ac527-9a08-417c-8cd0-6d173abc07de
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/49b58742a41b9cf9e84d19448ccddd3d92c3227fcc7055fb205a9d90bd7cc3a6
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/49b58742a41b9cf9e84d19448ccddd3d92c3227fcc7055fb205a9d90bd7cc3a6/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-08-04 01:03:38 UTC
File Type:
ELF64 Little (Exe)
AV detection:
17 of 36 (47.22%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jg2yoqvedoopt2cndfcizto5hwjmgit7zryfl6zalkozbpl4yota._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery linux upx
Link:
https://tria.ge/reports/260804-bema3ss1h1/
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Family: Mirai
Malware Config
C2 Extraction:
s3o65awrf56.net
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/49b58742a41b9cf9e84d19448ccddd3d92c3227fcc7055fb205a9d90bd7cc3a6

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_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:SUSP_ELF_LNX_UPX_Compressed_File
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
Rule name:upx_packed_elf_v1
Create hunting rule
Author:RandomMalware

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf 49b58742a41b9cf9e84d19448ccddd3d92c3227fcc7055fb205a9d90bd7cc3a6

(this sample)

Mirai

elf 83f84086ad20e076b387052e37b57e0a133b6b4f82b335208f8a6636bfbaebbb

  
Dropping
SHA256 83f84086ad20e076b387052e37b57e0a133b6b4f82b335208f8a6636bfbaebbb
  
Dropping
MD5 fa9dbfab2c0fc7785e4a2e70855e4f85
  
URLhaus
https://urlhaus.abuse.ch/url/3892520/
  
Delivery method
Distributed via web download

Comments