MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c1abcf5afb316cd4e384e8f7db4f08233850fd6a3bcf0e97c7504a6dea72b077. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c1abcf5afb316cd4e384e8f7db4f08233850fd6a3bcf0e97c7504a6dea72b077
SHA3-384 hash: 287ecd7b1b4c3173329722dfdb3a9b74a7a0452d10d6131b1f8b9b2826512dec576620014203fd005db83a7afb552a19
SHA1 hash: 3888a2bf8f8a896d850ac8e340293916df232300
MD5 hash: f4fe527879cb447894c4d1c3f2b5963b
humanhash: mississippi-sink-montana-violet
File name:nz.x86
Download: download sample
Signature Mirai
Create hunting rule
File size:40'428 bytes
First seen:2026-08-01 01:00:48 UTC
Last seen:2026-08-01 18:25:39 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:A5UcnRyjFbZGbR6AZTJa/z0hb0hxnKm6B2f60owOc+aHnbcuyD7UGQRj8:A5UoyjFbZGPwz0BeKfT0xOc+aHnouy8c
TLSH T19903F163D8FC4B50C51F513D108FB11F0E145697D83249A1D599A7B29FF2F9A6F182B0
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) :40'428 bytes
File size (de-compressed) :80'880 bytes
Format:linux/i386
Unpacked file: b00dd207b70c2e6593aa6797d94cf023b41c5755da93787830dc15b383675b24

Intelligence

File Origin
# of uploads :
3
# of downloads :
96
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/cc8d9258-917c-402f-9734-d3e71b695223/
Detection(s):
Unix.Dropper.Mirai-7135858-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Sets a written file as executable
Sends data to a server
Runs as daemon
Kills processes
Launching a process
Connection attempt
Substitutes an application name
Creates or modifies files in /init.d to set up autorun
Creates or modifies symbolic links in /init.d to set up autorun
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
masquerade packed upx
Link:
https://www.filescan.io/uploads/6a6d456d8b0ab355a2417751/reports/43248a89-7318-48ef-8bd0-506928a85e96/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
UPX
Botnet:
unknown
Number of open files:
0
Number of processes launched:
3
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/c1abcf5afb316cd4e384e8f7db4f08233850fd6a3bcf0e97c7504a6dea72b077
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-07-31T23:14:00Z UTC
Last seen:
2026-08-02T20:59:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/c1abcf5afb316cd4e384e8f7db4f08233850fd6a3bcf0e97c7504a6dea72b077/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/35150ad0-9790-4584-bce5-d91a28bb9262
Behavior Graph:
Download SVG
%3 guuid=e894b588-1900-0000-233a-63eaf00b0000 pid=3056 /usr/bin/sudo guuid=e6ef4d8b-1900-0000-233a-63eaf10b0000 pid=3057 /tmp/sample.bin net guuid=e894b588-1900-0000-233a-63eaf00b0000 pid=3056->guuid=e6ef4d8b-1900-0000-233a-63eaf10b0000 pid=3057 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=e6ef4d8b-1900-0000-233a-63eaf10b0000 pid=3057->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=5f59508c-1900-0000-233a-63eaf20b0000 pid=3058 /tmp/sample.bin guuid=e6ef4d8b-1900-0000-233a-63eaf10b0000 pid=3057->guuid=5f59508c-1900-0000-233a-63eaf20b0000 pid=3058 clone guuid=1f5e818c-1900-0000-233a-63eaf30b0000 pid=3059 /tmp/sample.bin write-config zombie guuid=5f59508c-1900-0000-233a-63eaf20b0000 pid=3058->guuid=1f5e818c-1900-0000-233a-63eaf30b0000 pid=3059 clone guuid=6a954e92-1900-0000-233a-63eaf50b0000 pid=3061 /usr/bin/dash guuid=1f5e818c-1900-0000-233a-63eaf30b0000 pid=3059->guuid=6a954e92-1900-0000-233a-63eaf50b0000 pid=3061 execve guuid=ad286095-1900-0000-233a-63eafe0b0000 pid=3070 /tmp/sample.bin net send-data zombie guuid=1f5e818c-1900-0000-233a-63eaf30b0000 pid=3059->guuid=ad286095-1900-0000-233a-63eafe0b0000 pid=3070 clone guuid=9a4fa692-1900-0000-233a-63eaf60b0000 pid=3062 /usr/bin/cp guuid=6a954e92-1900-0000-233a-63eaf50b0000 pid=3061->guuid=9a4fa692-1900-0000-233a-63eaf60b0000 pid=3062 execve guuid=ad286095-1900-0000-233a-63eafe0b0000 pid=3070->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 2325B 310a0ed0-c544-54ca-bf3f-fca55e459297 65.222.202.53:80 guuid=ad286095-1900-0000-233a-63eafe0b0000 pid=3070->310a0ed0-c544-54ca-bf3f-fca55e459297 send: 2B guuid=981c6595-1900-0000-233a-63eaff0b0000 pid=3071 /tmp/sample.bin guuid=ad286095-1900-0000-233a-63eafe0b0000 pid=3070->guuid=981c6595-1900-0000-233a-63eaff0b0000 pid=3071 clone guuid=c25e6895-1900-0000-233a-63ea000c0000 pid=3072 /tmp/sample.bin guuid=ad286095-1900-0000-233a-63eafe0b0000 pid=3070->guuid=c25e6895-1900-0000-233a-63ea000c0000 pid=3072 clone
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/dbc647c5-aef3-4954-b0d9-610641eeda6b
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1950877
Signature
Antivirus / Scanner detection for submitted sample
Drops files in suspicious directories
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1950877 Sample: nz.x86.elf Startdate: 01/08/2026 Architecture: LINUX Score: 80 30 65.222.202.53, 80 CAPEREGIONALHEALTHSYSTEM-CapeRegionalMedicalCenterIncUS United States 2->30 32 Malicious sample detected (through community Yara rule) 2->32 34 Antivirus / Scanner detection for submitted sample 2->34 36 Multi AV Scanner detection for submitted file 2->36 38 Sample is packed with UPX 2->38 10 nz.x86.elf 2->10         started        signatures3 process4 process5 12 nz.x86.elf 10->12         started        process6 14 nz.x86.elf 12->14         started        file7 28 /etc/init.d/sysd, POSIX 14->28 dropped 40 Sample tries to set files in /etc globally writable 14->40 42 Drops files in suspicious directories 14->42 44 Sample tries to persist itself using System V runlevels 14->44 18 nz.x86.elf sh 14->18         started        20 nz.x86.elf 14->20         started        signatures8 process9 process10 22 sh cp 18->22         started        24 nz.x86.elf 20->24         started        26 nz.x86.elf 20->26         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/c1abcf5afb316cd4e384e8f7db4f08233850fd6a3bcf0e97c7504a6dea72b077
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c1abcf5afb316cd4e384e8f7db4f08233850fd6a3bcf0e97c7504a6dea72b077/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-08-01 01:01:40 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ygv46wx3gfwnjy4e5d35wtyiem4fb7lkhphq5f6hkbfg32tswb3q._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet credential_access discovery linux persistence upx
Link:
https://tria.ge/reports/260801-bdhaqsbc67/
Behaviour
Reads runtime system information
Changes its process name
Reads system network configuration
Reads process memory
Enumerates active TCP sockets
Enumerates running processes
Modifies init.d
Modifies rc script
Family: Mirai
Malware Config
C2 Extraction:
wqok85qtq.net
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.71
Link:
https://yomi.yoroi.company/submissions/c1abcf5afb316cd4e384e8f7db4f08233850fd6a3bcf0e97c7504a6dea72b077

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: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 c1abcf5afb316cd4e384e8f7db4f08233850fd6a3bcf0e97c7504a6dea72b077

(this sample)

Mirai

elf b00dd207b70c2e6593aa6797d94cf023b41c5755da93787830dc15b383675b24

  
URLhaus
https://urlhaus.abuse.ch/url/3892506/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 b00dd207b70c2e6593aa6797d94cf023b41c5755da93787830dc15b383675b24
  
Dropping
MD5 ac864c8da688a7e871618e9518ae8eb2
  
URLhaus
https://urlhaus.abuse.ch/url/3893007/
  
URLhaus
https://urlhaus.abuse.ch/url/3892496/
  
URLhaus
https://urlhaus.abuse.ch/url/3892221/

Comments