MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 04ef79b227c36e3370d138227f900a46c8c6831ff552d1702913a58ca2a695eb. 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 2 File information Comments

SHA256 hash: 04ef79b227c36e3370d138227f900a46c8c6831ff552d1702913a58ca2a695eb
SHA3-384 hash: 0aace438fed7b4a3dbadd8686add5c49f62835f28876d5b518af44ce2b56bd74d0e88ddb42342f6a29ec6e843afe83d1
SHA1 hash: d1d151db73ec91b86d1bbcb5decd40cd05fff8e6
MD5 hash: cc4c96a91e1091182c88e511d60f6078
humanhash: network-blue-mountain-jersey
File name:debug
Download: download sample
Signature Mirai
File size:41'840 bytes
First seen:2025-12-26 19:57:03 UTC
Last seen:2025-12-27 02:36:18 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:uzTR9eprUTCqhF24cOAe8XSh/O/D48y/IObyTG/eOkYSPKFYjtt4cyHtc0FnbcuF:uOprMCmIjjPfG2OkYNgL4eanouy8Hy0
TLSH T1F013E1AAF6A91BD5F02C353D049BA58F2051920E0EA5DEF7BFD54D281C90FD22A707C6
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) :41'840 bytes
File size (de-compressed) :87'316 bytes
Format:linux/i386
Unpacked file: 3bd6446ec398d4cfb95022dd0fa74237bb5cce7601f2ab75c0783f9e984cfbad

Intelligence


File Origin
# of uploads :
2
# of downloads :
27
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gafgyt mirai obfuscated packed upx
Result
Gathering data
Status:
terminated
Behavior Graph:
%3 guuid=d578456b-1b00-0000-5b71-8fcf910c0000 pid=3217 /usr/bin/sudo guuid=f00e646d-1b00-0000-5b71-8fcf920c0000 pid=3218 /tmp/sample.bin net send-data guuid=d578456b-1b00-0000-5b71-8fcf910c0000 pid=3217->guuid=f00e646d-1b00-0000-5b71-8fcf920c0000 pid=3218 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=f00e646d-1b00-0000-5b71-8fcf920c0000 pid=3218->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 1000B 310a0ed0-c544-54ca-bf3f-fca55e459297 65.222.202.53:80 guuid=f00e646d-1b00-0000-5b71-8fcf920c0000 pid=3218->310a0ed0-c544-54ca-bf3f-fca55e459297 send: 4B guuid=d61805aa-1b00-0000-5b71-8fcfd00c0000 pid=3280 /tmp/sample.bin dns net send-data guuid=f00e646d-1b00-0000-5b71-8fcf920c0000 pid=3218->guuid=d61805aa-1b00-0000-5b71-8fcfd00c0000 pid=3280 clone guuid=c27430d7-1c00-0000-5b71-8fcfb30f0000 pid=4019 /tmp/sample.bin guuid=f00e646d-1b00-0000-5b71-8fcf920c0000 pid=3218->guuid=c27430d7-1c00-0000-5b71-8fcfb30f0000 pid=4019 clone guuid=d61805aa-1b00-0000-5b71-8fcfd00c0000 pid=3280->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 240B ac4baa47-21a8-5b71-9591-629431bedc7b dot.polarisnetwork.fun:69 guuid=d61805aa-1b00-0000-5b71-8fcfd00c0000 pid=3280->ac4baa47-21a8-5b71-9591-629431bedc7b send: 4B guuid=044311aa-1b00-0000-5b71-8fcfd10c0000 pid=3281 /tmp/sample.bin guuid=d61805aa-1b00-0000-5b71-8fcfd00c0000 pid=3280->guuid=044311aa-1b00-0000-5b71-8fcfd10c0000 pid=3281 clone
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
60 / 100
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1840014 Sample: debug.elf Startdate: 26/12/2025 Architecture: LINUX Score: 60 18 169.254.169.254, 80 USDOSUS Reserved 2->18 20 dot.polarisnetwork.fun 92.119.164.209, 69 MYVIRTUALSERVERmyVirtualserverDE Germany 2->20 22 2 other IPs or domains 2->22 24 Malicious sample detected (through community Yara rule) 2->24 26 Multi AV Scanner detection for submitted file 2->26 28 Sample is packed with UPX 2->28 8 debug.elf 2->8         started        10 python3.8 dpkg 2->10         started        signatures3 process4 process5 12 debug.elf 8->12         started        14 debug.elf 8->14         started        process6 16 debug.elf 12->16         started       
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2025-12-26 19:58:25 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 36 (44.44%)
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
Mirai
Mirai family
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: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: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 04ef79b227c36e3370d138227f900a46c8c6831ff552d1702913a58ca2a695eb

(this sample)

  
Delivery method
Distributed via web download

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