MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cb5b755cda1e5f2a61f98770b50748759cb092b95f97942f5a1143787fa77c88. 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 17 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cb5b755cda1e5f2a61f98770b50748759cb092b95f97942f5a1143787fa77c88
SHA3-384 hash: e7142e232e82797170edcac854b776c876eac8e5db5c15af98461385150ea42cb09b4eb8d338982afedae8bf035932d3
SHA1 hash: 5d21a0d48dbcc2ad174bf284f099a450ef17c94d
MD5 hash: 0edf44ea790e7a7d68763dc7f509cc47
humanhash: arizona-timing-lactose-helium
File name:xans.x86
Download: download sample
Signature Mirai
Create hunting rule
File size:66'136 bytes
First seen:2025-10-29 15:29:50 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:CZBc/RTVIwAhCmn80ssq+YWSWuW/SNMfCwS6Q+Y4G:uBc/RRIw6CS1q+YWSWt/S6fCv69BG
TLSH T15D533BC8A193E4F5EC141978307AAFB26EB3E13F7075EA8BD3DA55339901702E10629D
telfhash t1e01121fd0d7d18e6b7d88800c24f5e217d1aa637256033614963dd7532ebe818079c79
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 307b1ed60a3de7e51f9bd89128521072882d11e7fbffd04b7232c2bc26124c61
File size (compressed) :30'008 bytes
File size (de-compressed) :66'136 bytes
Format:linux/i386
Packed file: 307b1ed60a3de7e51f9bd89128521072882d11e7fbffd04b7232c2bc26124c61

Intelligence

File Origin
# of uploads :
1
# of downloads :
30
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Mirai-63.UNOFFICIAL
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Sanesecurity.Malware.30435.LC.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-6976991-0
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Unix.Trojan.Mirai-7100807-0
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Unix.Dropper.Mirai-7135880-0
Create hunting rule

Unix.Dropper.Mirai-7135881-0
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-7135996-0
Create hunting rule

Unix.Dropper.Mirai-7136013-0
Create hunting rule

Unix.Dropper.Mirai-7136016-0
Create hunting rule

Unix.Dropper.Mirai-7136028-0
Create hunting rule

Unix.Dropper.Mirai-7136033-0
Create hunting rule

Unix.Dropper.Mirai-7136057-0
Create hunting rule

Unix.Trojan.Mirai-8025795-0
Create hunting rule

Unix.Trojan.Mirai-9807962-0
Create hunting rule

Unix.Trojan.Mirai-9808381-0
Create hunting rule

Unix.Trojan.Mirai-9835278-0
Create hunting rule

Unix.Trojan.Mirai-9835289-0
Create hunting rule

Unix.Trojan.Mirai-9857931-0
Create hunting rule

Unix.Trojan.Mirai-9858729-0
Create hunting rule

Unix.Trojan.Mirai-9866113-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Receives data from a server
Kills processes
Opens a port
Sends data to a server
Connection attempt
Kills critical processes
Performs a bruteforce attack in the network
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
botnet masquerade mirai obfuscated
Link:
https://www.filescan.io/uploads/6902505ebe20d9334859ac49/reports/b93be984-1008-4749-9393-9da3c5047600/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-08-11T06:10:00Z UTC
Last seen:
2025-08-23T05:48:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/cb5b755cda1e5f2a61f98770b50748759cb092b95f97942f5a1143787fa77c88/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/d6c891a8-a484-4ba4-bcf9-f0949a05aef6
Behavior Graph:
Download SVG
%3 guuid=910b8413-1a00-0000-f75c-f5f3ff0a0000 pid=2815 /usr/bin/sudo guuid=d8e17d15-1a00-0000-f75c-f5f3020b0000 pid=2818 /tmp/sample.bin net guuid=910b8413-1a00-0000-f75c-f5f3ff0a0000 pid=2815->guuid=d8e17d15-1a00-0000-f75c-f5f3020b0000 pid=2818 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=d8e17d15-1a00-0000-f75c-f5f3020b0000 pid=2818->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=2be99e15-1a00-0000-f75c-f5f3030b0000 pid=2819 /tmp/sample.bin zombie guuid=d8e17d15-1a00-0000-f75c-f5f3020b0000 pid=2818->guuid=2be99e15-1a00-0000-f75c-f5f3030b0000 pid=2819 clone guuid=e827a415-1a00-0000-f75c-f5f3040b0000 pid=2820 /tmp/sample.bin guuid=d8e17d15-1a00-0000-f75c-f5f3020b0000 pid=2818->guuid=e827a415-1a00-0000-f75c-f5f3040b0000 pid=2820 clone guuid=dc1aa715-1a00-0000-f75c-f5f3050b0000 pid=2821 /tmp/sample.bin net zombie guuid=d8e17d15-1a00-0000-f75c-f5f3020b0000 pid=2818->guuid=dc1aa715-1a00-0000-f75c-f5f3050b0000 pid=2821 clone 0e265ea3-59f0-5024-8f1b-754ac9cc4a58 213.232.114.169:9506 guuid=dc1aa715-1a00-0000-f75c-f5f3050b0000 pid=2821->0e265ea3-59f0-5024-8f1b-754ac9cc4a58 con guuid=c5c1c715-1a00-0000-f75c-f5f3060b0000 pid=2822 /tmp/sample.bin guuid=dc1aa715-1a00-0000-f75c-f5f3050b0000 pid=2821->guuid=c5c1c715-1a00-0000-f75c-f5f3060b0000 pid=2822 clone guuid=29eccc15-1a00-0000-f75c-f5f3070b0000 pid=2823 /tmp/sample.bin guuid=dc1aa715-1a00-0000-f75c-f5f3050b0000 pid=2821->guuid=29eccc15-1a00-0000-f75c-f5f3070b0000 pid=2823 clone guuid=f545d215-1a00-0000-f75c-f5f3080b0000 pid=2824 /tmp/sample.bin net net-scan send-data guuid=dc1aa715-1a00-0000-f75c-f5f3050b0000 pid=2821->guuid=f545d215-1a00-0000-f75c-f5f3080b0000 pid=2824 clone guuid=f545d215-1a00-0000-f75c-f5f3080b0000 pid=2824->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=f545d215-1a00-0000-f75c-f5f3080b0000 pid=2824|send-data send-data to 4097 IP addresses review logs to see them all guuid=f545d215-1a00-0000-f75c-f5f3080b0000 pid=2824->guuid=f545d215-1a00-0000-f75c-f5f3080b0000 pid=2824|send-data send
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/7fd42f1a-d1ca-4e28-9e56-f705e6a0c4c6
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1804611
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1804611 Sample: xans.x86.elf Startdate: 29/10/2025 Architecture: LINUX Score: 72 22 208.123.95.248, 23 ZCOLO-AUS01US United States 2->22 24 155.128.185.190, 23 ZAMRENZM United States 2->24 26 98 other IPs or domains 2->26 28 Malicious sample detected (through community Yara rule) 2->28 30 Antivirus / Scanner detection for submitted sample 2->30 32 Multi AV Scanner detection for submitted file 2->32 34 Yara detected Mirai 2->34 8 xans.x86.elf 2->8         started        signatures3 process4 process5 10 xans.x86.elf 8->10         started        12 xans.x86.elf 8->12         started        14 xans.x86.elf 8->14         started        process6 16 xans.x86.elf 10->16         started        18 xans.x86.elf 10->18         started        20 xans.x86.elf 10->20         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/cb5b755cda1e5f2a61f98770b50748759cb092b95f97942f5a1143787fa77c88
Gathering data
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-10-29 20:37:38 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=znnxkxg2dzpsuypzq5ylkb2iowolbevzl6lzil22cfbxq75hpsea._file
Result
Malware family:
mirai
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Score:
  10/10
Tags:
family:mirai botnet:lzrd defense_evasion discovery linux
Link:
https://tria.ge/reports/251029-v481xszkdn/
Behaviour
Reads runtime system information
Reads system network configuration
Enumerates active TCP sockets
Enumerates running processes
Modifies Watchdog functionality
Contacts a large (20478) amount of remote hosts
Creates a large amount of network flows
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_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects elf.mirai.
Rule name:Linux_Mirai_Generic
Create hunting rule
Author:albertzsigovits
Description:Generic Approach to Mirai/Gafgyt samples
Rule name:Linux_Trojan_Mirai_804f8e7c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_8aa7b5d3
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_93fc3657
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_99d78950
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_a68e498c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_ae9d0fa6
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_b14f4c5d
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_fa3ad9d0
Create hunting rule
Author:Elastic Security
Rule name:Mirai_Botnet_Malware
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:Mirai_Botnet_Malware_RID2EF6
Create hunting rule
Author:Florian Roth
Description:Detects Mirai Botnet Malware
Reference:Internal Research
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

sh 10c1e8894c8dc7a748c51fe6708d3999bf13c022e4e6406b4a2d73d8caebe5b3

Mirai

elf 307b1ed60a3de7e51f9bd89128521072882d11e7fbffd04b7232c2bc26124c61

Mirai

elf cb5b755cda1e5f2a61f98770b50748759cb092b95f97942f5a1143787fa77c88

(this sample)

  
Dropped by
SHA256 307b1ed60a3de7e51f9bd89128521072882d11e7fbffd04b7232c2bc26124c61
  
URLhaus
https://urlhaus.abuse.ch/url/3609760/
  
Delivery method
Distributed via web download

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