MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 00caca1a8eec8b40b5cac19228fc5a9fc0454564091788056296a3f9c4ad6d4f. 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 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 00caca1a8eec8b40b5cac19228fc5a9fc0454564091788056296a3f9c4ad6d4f
SHA3-384 hash: ac5080d9ed92c9c54136670eb9f6034e03b3183235599ad5522a6d4be0f96824ea8f47cf6acc75f15f0e3fbfeda9035d
SHA1 hash: eea24638167eff250cf03907bd5e64baecfa0a4d
MD5 hash: b8375a195ccbcfc3ab3fcb90497ec91f
humanhash: princess-eleven-earth-uncle
File name:Orbt.arm7
Download: download sample
Signature Mirai
Create hunting rule
File size:226'091 bytes
First seen:2025-10-20 06:41:12 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 6144:i8txdWmY6haXoaSaA9jZsLLwndp5q6u9GJNDM/R0gnq:i8Mb6EoaSa6jZsLLwd78UNY/Kv
TLSH T1F5242A46EA408F13C0D627B9F69F524633339B54D3E773069928AFB43B8779E4E66201
telfhash t1d741eb715634951a6aa1d858d9fc9762142bc7232354ee77df25c8cc241a44be93ac0f
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 74b3d06871d4b7fe22f6f8cf89add745c12ea071b0d11ac2fbbcab50eaf95eeb
File size (compressed) :83'680 bytes
File size (de-compressed) :226'091 bytes
Format:linux/arm
Packed file: 74b3d06871d4b7fe22f6f8cf89add745c12ea071b0d11ac2fbbcab50eaf95eeb

Intelligence

File Origin
# of uploads :
1
# of downloads :
52
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.30435.LC.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Siggen.9999-6.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-7100807-0
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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-7135925-0
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.Trojan.Mirai-9441505-0
Create hunting rule

Unix.Trojan.Mirai-9760303-0
Create hunting rule

Unix.Dropper.Mirai-10007027-0
Create hunting rule

Unix.Trojan.Mirai-10009361-0
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Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Receives data from a server
Runs as daemon
Opens a port
Sends data to a server
Connection attempt
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
gcc lolbin masquerade mirai remote
Link:
https://www.filescan.io/uploads/68f5db7bc85c5c56972ea75f/reports/05814fc9-5683-4259-a36f-074bfa1fccf0/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-10-20T05:09:00Z UTC
Last seen:
2025-10-20T06:31:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/00caca1a8eec8b40b5cac19228fc5a9fc0454564091788056296a3f9c4ad6d4f/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/3a497cfe-062c-4405-8fed-0d2aa51ddab7
Behavior Graph:
Download SVG
%3 guuid=5a870eda-1700-0000-5466-fc3de30e0000 pid=3811 /usr/bin/sudo guuid=a44e44dc-1700-0000-5466-fc3de70e0000 pid=3815 /tmp/sample.bin guuid=5a870eda-1700-0000-5466-fc3de30e0000 pid=3811->guuid=a44e44dc-1700-0000-5466-fc3de70e0000 pid=3815 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/29249280-d0c5-4555-b54b-d595673fc21c
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj
Score:
60 / 100
Link:
https://www.joesandbox.com/analysis/1798066
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Uses dynamic DNS services
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1798066 Sample: Orbt.arm7.elf Startdate: 20/10/2025 Architecture: LINUX Score: 60 22 mirailoversddos.duckdns.org 2->22 24 169.254.169.254, 80 USDOSUS Reserved 2->24 26 2 other IPs or domains 2->26 28 Antivirus / Scanner detection for submitted sample 2->28 30 Multi AV Scanner detection for submitted file 2->30 8 Orbt.arm7.elf 2->8         started        10 python3.8 dpkg 2->10         started        signatures3 32 Uses dynamic DNS services 22->32 process4 process5 12 Orbt.arm7.elf 8->12         started        14 Orbt.arm7.elf 8->14         started        16 Orbt.arm7.elf 8->16         started        process6 18 Orbt.arm7.elf 12->18         started        20 Orbt.arm7.elf 12->20         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/00caca1a8eec8b40b5cac19228fc5a9fc0454564091788056296a3f9c4ad6d4f
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/00caca1a8eec8b40b5cac19228fc5a9fc0454564091788056296a3f9c4ad6d4f/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-10-20 06:50:48 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=adfmuguo5sfubnokygjcr7c2t7aekrlebelyqblcs2r7trfnnvhq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai defense_evasion discovery
Link:
https://tria.ge/reports/251020-hlqqeaev7d/
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Malware Config
C2 Extraction:
mirailoversddos.duckdns.org
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/37aaa6d8-0512-4698-b7c1-d1f52afab428
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/00caca1a8eec8b40b5cac19228fc5a9fc0454564091788056296a3f9c4ad6d4f

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:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:MAL_ARM_LNX_Mirai_Mar13_2022
Create hunting rule
Author:Mehmet Ali Kerimoglu a.k.a. CYB3RMX
Description:Detects new ARM Mirai variant
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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 74b3d06871d4b7fe22f6f8cf89add745c12ea071b0d11ac2fbbcab50eaf95eeb

Mirai

elf 00caca1a8eec8b40b5cac19228fc5a9fc0454564091788056296a3f9c4ad6d4f

(this sample)

  
Dropped by
SHA256 74b3d06871d4b7fe22f6f8cf89add745c12ea071b0d11ac2fbbcab50eaf95eeb
  
URLhaus
https://urlhaus.abuse.ch/url/3682129/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 35d36a856d56da290604d9673c841d48

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