MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 98cf52a25bbc4e4287656eb28daaeb01bebfe6c7aa9a0af31f5f811b520cb783. 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 4 File information Comments

SHA256 hash: 98cf52a25bbc4e4287656eb28daaeb01bebfe6c7aa9a0af31f5f811b520cb783
SHA3-384 hash: cd9ac75148df35998164f6c0800a42d7a5d7d4046aa710dcbc8bae4e379acb440891e12ff3e55b71ce8287133a952993
SHA1 hash: 041e4cb3f7dd340b2df14fac2bf9f54bddfa6edb
MD5 hash: 4da4afe016b5021d60867ec4051fcf1c
humanhash: four-whiskey-utah-pizza
File name:nz.x86_64
Download: download sample
Signature Mirai
File size:49'484 bytes
First seen:2026-08-03 00:51:10 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:VPpbug3hrv2WQOHSf4vBEtTCpM54PoS4vbadGzwlWekofkuUqrDonnCx0YO:++hrv2WQOHI8p2s7GMkekoMbqrknCxO
TLSH T13F23F19BD52BEA3CC06E80309C8692CCFFFAB6021267179B06EF235C55B9A413519B12
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) :49'484 bytes
File size (de-compressed) :117'712 bytes
Format:linux/amd64
Unpacked file: 3be39d081294ea74566be909ab5eeb988ba85d16b1c137b3a4bfd7dc728d52a5

Intelligence


File Origin
# of uploads :
1
# of downloads :
70
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Sends data to a server
Runs as daemon
Opens a port
Connection attempt
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
bashlite botnet mirai packed upx
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
UPX
Botnet:
unknown
Number of open files:
0
Number of processes launched:
1
Processes remaning?
false
Remote TCP ports scanned:
not identified
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2026-08-02T21:23:00Z UTC
Last seen:
2026-08-04T19:21:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=2c57ddf3-1700-0000-a812-a46e560d0000 pid=3414 /usr/bin/sudo guuid=dd51bff6-1700-0000-a812-a46e5f0d0000 pid=3423 /tmp/sample.bin mprotect-exec net guuid=2c57ddf3-1700-0000-a812-a46e560d0000 pid=3414->guuid=dd51bff6-1700-0000-a812-a46e5f0d0000 pid=3423 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=dd51bff6-1700-0000-a812-a46e5f0d0000 pid=3423->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=2c8db6f7-1700-0000-a812-a46e610d0000 pid=3425 /tmp/sample.bin guuid=dd51bff6-1700-0000-a812-a46e5f0d0000 pid=3423->guuid=2c8db6f7-1700-0000-a812-a46e610d0000 pid=3425 clone guuid=c0044f22-1900-0000-a812-a46e8b0f0000 pid=3979 /tmp/sample.bin guuid=dd51bff6-1700-0000-a812-a46e5f0d0000 pid=3423->guuid=c0044f22-1900-0000-a812-a46e8b0f0000 pid=3979 clone guuid=d2555622-1900-0000-a812-a46e8c0f0000 pid=3980 /tmp/sample.bin net send-data zombie guuid=dd51bff6-1700-0000-a812-a46e5f0d0000 pid=3423->guuid=d2555622-1900-0000-a812-a46e8c0f0000 pid=3980 clone guuid=ef67bef7-1700-0000-a812-a46e620d0000 pid=3426 /tmp/sample.bin guuid=2c8db6f7-1700-0000-a812-a46e610d0000 pid=3425->guuid=ef67bef7-1700-0000-a812-a46e620d0000 pid=3426 clone guuid=de94c4f7-1700-0000-a812-a46e630d0000 pid=3427 /tmp/sample.bin net send-data zombie guuid=2c8db6f7-1700-0000-a812-a46e610d0000 pid=3425->guuid=de94c4f7-1700-0000-a812-a46e630d0000 pid=3427 clone guuid=de94c4f7-1700-0000-a812-a46e630d0000 pid=3427->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 990B 310a0ed0-c544-54ca-bf3f-fca55e459297 65.222.202.53:80 guuid=de94c4f7-1700-0000-a812-a46e630d0000 pid=3427->310a0ed0-c544-54ca-bf3f-fca55e459297 send: 4B guuid=d2555622-1900-0000-a812-a46e8c0f0000 pid=3980->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 825B guuid=d2555622-1900-0000-a812-a46e8c0f0000 pid=3980->310a0ed0-c544-54ca-bf3f-fca55e459297 send: 4B
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2026-08-03 00:52:39 UTC
File Type:
ELF64 Little (Exe)
AV detection:
20 of 38 (52.63%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery linux upx
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.

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
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:SUSP_ELF_LNX_UPX_Compressed_File
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
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
Rule name:upx_packed_elf_v1
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 98cf52a25bbc4e4287656eb28daaeb01bebfe6c7aa9a0af31f5f811b520cb783

(this sample)

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