MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bac0638d849bcb2fffb082c4a1ba1150128decf713a39a5ab4d6d76731e45873. 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: 10


Intelligence 10 IOCs YARA 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bac0638d849bcb2fffb082c4a1ba1150128decf713a39a5ab4d6d76731e45873
SHA3-384 hash: 336ceed30ccd821bddfa67eb648367fae8a3aba18316d6463ac26607b2e1e8f11a91025a02ea70f58122c3b60f1ee13e
SHA1 hash: 9915a19dfde5a9ce6b392ffb385c9c06397120c3
MD5 hash: d6ffc34dcf2f284e975dd24477398fcf
humanhash: kansas-georgia-white-connecticut
File name:Yboats.ppc
Download: download sample
Signature Mirai
Create hunting rule
File size:121'464 bytes
First seen:2025-12-03 12:17:22 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:rf6KNBfXvi1Bj6VYVcNavqJvX43CAW1h248D4GWbs6toOGfIMyi+QzxdTPsa:LziFVcN/0h54jgOGfI6+MEa
TLSH T1D5C35D42B7580A87F5534EB5283F1BD063AEEE9021F0B684798FDA4E5271D732546ECC
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 4f36c02269bd197c493c0a51a7358377d1f2b6b69167db60dbbb231802585e2c
File size (compressed) :43'328 bytes
File size (de-compressed) :121'464 bytes
Format:linux/ppc32
Packed file: 4f36c02269bd197c493c0a51a7358377d1f2b6b69167db60dbbb231802585e2c

Intelligence

File Origin
# of uploads :
1
# of downloads :
63
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Detection(s):
Sanesecurity.Malware.29502.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.30442.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.29524.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.30455.LC.BadVar.UNOFFICIAL
Create hunting rule

Unix.Dropper.Mirai-7135870-0
Create hunting rule

Unix.Dropper.Mirai-7135906-0
Create hunting rule

Unix.Dropper.Mirai-7135957-0
Create hunting rule

Unix.Dropper.Mirai-7135966-0
Create hunting rule

Unix.Dropper.Mirai-7135979-0
Create hunting rule

Unix.Dropper.Mirai-7135980-0
Create hunting rule

Unix.Dropper.Mirai-7139230-0
Create hunting rule

Unix.Dropper.Mirai-7171384-0
Create hunting rule

Unix.Dropper.Mirai-7355719-0
Create hunting rule

Unix.Trojan.Mirai-9935718-0
Create hunting rule

Unix.Trojan.Mirai-9940367-0
Create hunting rule

Unix.Trojan.Mirai-9945193-0
Create hunting rule

Unix.Trojan.Mirai-9946826-0
Create hunting rule

Unix.Dropper.Mirai-9977145-0
Create hunting rule

Unix.Dropper.Mirai-10008433-0
Create hunting rule

Unix.Trojan.Mirai-10028946-0
Create hunting rule

Unix.Trojan.Gafgyt-6748839-0
Create hunting rule

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade mirai obfuscated
Link:
https://www.filescan.io/uploads/69302a898e26c121ec95a913/reports/823b555d-589d-499b-aad7-72212422f402/overview
Result
Gathering data
Gathering data
Result
Threat name:
Mirai, Okiru
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1825318
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample deletes itself
Yara detected Mirai
Yara detected Okiru
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1825318 Sample: Yboats.ppc.elf Startdate: 03/12/2025 Architecture: LINUX Score: 100 26 Malicious sample detected (through community Yara rule) 2->26 28 Antivirus / Scanner detection for submitted sample 2->28 30 Multi AV Scanner detection for submitted file 2->30 32 2 other signatures 2->32 7 Yboats.ppc.elf 2->7         started        10 dash rm 2->10         started        12 dash grep 2->12         started        14 dash rm 2->14         started        process3 signatures4 34 Sample deletes itself 7->34 16 Yboats.ppc.elf 7->16         started        process5 process6 18 Yboats.ppc.elf 16->18         started        20 Yboats.ppc.elf 16->20         started        22 Yboats.ppc.elf 16->22         started        24 24 other processes 16->24
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/bac0638d849bcb2fffb082c4a1ba1150128decf713a39a5ab4d6d76731e45873
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/bac0638d849bcb2fffb082c4a1ba1150128decf713a39a5ab4d6d76731e45873/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-03 12:18:19 UTC
File Type:
ELF32 Big (Exe)
AV detection:
22 of 36 (61.11%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xlaghdmetpfs775qqlckdoqrkaji33hxcorzuwvu23lwompelbzq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:unstable linux
Link:
https://tria.ge/reports/251203-pgqceaan7w/
Malware Config
C2 Extraction:
cnc.504.su
scan.504.su
Verdict:
Malicious
Tags:
botnet mirai Unix.Dropper.Mirai-7135870-0
YARA:
MAL_ELF_LNX_Mirai_Oct10_1
Link:
https://app.threat.zone/submission/8faf92d4-127d-4c3e-a1dc-3f63ca5482f8
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/bac0638d849bcb2fffb082c4a1ba1150128decf713a39a5ab4d6d76731e45873

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:CVE_2017_17215
Create hunting rule
Author:NDA0E
Description:Detects exploitation attempt of CVE-2017-17215
Rule name:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:iot_req_metachar
Create hunting rule
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_1ac392ca
Create hunting rule
Author:Elastic Security
Rule name:Linux_Generic_Threat_3bcc1630
Create hunting rule
Author:Elastic Security
Rule name:MAL_ELF_LNX_Mirai_Oct10_1
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects ELF Mirai variant
Reference:Internal Research
Rule name:MAL_ELF_LNX_Mirai_Oct10_1_RID2F39
Create hunting rule
Author:Florian Roth
Description:Detects ELF Mirai variant
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

elf 4f36c02269bd197c493c0a51a7358377d1f2b6b69167db60dbbb231802585e2c

Mirai

elf bac0638d849bcb2fffb082c4a1ba1150128decf713a39a5ab4d6d76731e45873

(this sample)

  
Dropped by
SHA256 4f36c02269bd197c493c0a51a7358377d1f2b6b69167db60dbbb231802585e2c
  
URLhaus
https://urlhaus.abuse.ch/url/3723972/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 c5e70d27dcd7f8bbf1bd4ba4e9a4373a

Comments