MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 03fb44bb9f6f3a31aadfe907f9a21369ddb6d04835933afb96ac3a70f49c44ea. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 03fb44bb9f6f3a31aadfe907f9a21369ddb6d04835933afb96ac3a70f49c44ea
SHA3-384 hash: 93dae80f6bbd695f63b005c7695be3be8ebd1e81aed56ce3cc210441ce220eb027aa604a2da2d28d0e5d66e2f35e20d6
SHA1 hash: a21e4d746135c22296688d246057477ea7422b9c
MD5 hash: fcd3d85845d296f15426b9f952c28f7f
humanhash: yankee-robert-mountain-queen
File name:niggah.x86
Download: download sample
Signature Mirai
Create hunting rule
File size:42'128 bytes
First seen:2025-11-29 04:42:15 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:hwDLx/7gBIDg4bMO8/AX4DxVxHrPHK3gkKZTDPZ8/eYSUcIp:K/MKDg4bMO8Iw/Ji3fKZ3Pg1SUc
TLSH T11A134A85A643E1F1FD6211B6213757538B77E47A1A3CEB02C3A56935FC13A10A62B39C
telfhash t1ce3137e97e6108f4f366ec8c974e6793eb169af51b2230fa40f56dc236f2151c171820
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 0df830a367610fcb028cde8f30920442dcf2912fdb318f3fc3c91dfc0d3e2429
File size (compressed) :23'956 bytes
File size (de-compressed) :42'128 bytes
Format:linux/i386
Packed file: 0df830a367610fcb028cde8f30920442dcf2912fdb318f3fc3c91dfc0d3e2429

Intelligence

File Origin
# of uploads :
1
# of downloads :
37
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Siggen.9999-21.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Kills processes
Opens a port
Locks files
Sends data to a server
Removes directories
Creating a file in the %temp% directory
Deleting a recently created file
Connection attempt
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade mirai
Link:
https://www.filescan.io/uploads/692a79de1b65ca0bb9272a78/reports/7b6e5fa1-6750-492b-bbb5-d9f3169d411a/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-11-29T01:55:00Z UTC
Last seen:
2025-11-29T02:26:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.b
Link:
https://opentip.kaspersky.com/03fb44bb9f6f3a31aadfe907f9a21369ddb6d04835933afb96ac3a70f49c44ea/results?tab=lookup
Gathering data
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
56 / 100
Link:
https://www.joesandbox.com/analysis/1822700
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1822700 Sample: niggah.x86.elf Startdate: 29/11/2025 Architecture: LINUX Score: 56 19 91.200.220.65, 36788 VICATVUA Ukraine 2->19 21 109.202.202.202, 80 INIT7CH Switzerland 2->21 23 3 other IPs or domains 2->23 25 Malicious sample detected (through community Yara rule) 2->25 27 Multi AV Scanner detection for submitted file 2->27 7 niggah.x86.elf 2->7         started        9 dash rm 2->9         started        11 dash rm 2->11         started        13 python3.8 dpkg 2->13         started        signatures3 process4 process5 15 niggah.x86.elf 7->15         started        17 niggah.x86.elf 7->17         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/03fb44bb9f6f3a31aadfe907f9a21369ddb6d04835933afb96ac3a70f49c44ea
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/03fb44bb9f6f3a31aadfe907f9a21369ddb6d04835933afb96ac3a70f49c44ea/
Verdict:
Malicious
Threat:
Backdoor.Linux.Mirai
Link:
https://tip.neiki.dev/file/03fb44bb9f6f3a31aadfe907f9a21369ddb6d04835933afb96ac3a70f49c44ea
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-11-29 04:43:13 UTC
File Type:
ELF32 Little (Exe)
AV detection:
13 of 36 (36.11%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ap5ujo47n45ddkw75ed7tiqtnho3nucigwjtv64wvq5hb5e4itva._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion linux
Link:
https://tria.ge/reports/251129-fcbtsavqdn/
Behaviour
Writes file to tmp directory
Deletes log files
Deletes journal logs
Deletes system logs
Verdict:
Malicious
Tags:
trojan gafgyt mirai
YARA:
Linux_Trojan_Gafgyt_5bf62ce4 Linux_Trojan_Mirai_5f7b67b8 Linux_Trojan_Mirai_389ee3e9 Linux_Trojan_Mirai_cc93863b
Link:
https://app.threat.zone/submission/9a392be6-a4dd-4e9c-84fd-5c02dc1d04e7
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.23
Link:
https://yomi.yoroi.company/submissions/03fb44bb9f6f3a31aadfe907f9a21369ddb6d04835933afb96ac3a70f49c44ea

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:Linux_Trojan_Gafgyt_5bf62ce4
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_389ee3e9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_5f7b67b8
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Create hunting rule
Author:Elastic Security
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 0df830a367610fcb028cde8f30920442dcf2912fdb318f3fc3c91dfc0d3e2429

Mirai

elf 03fb44bb9f6f3a31aadfe907f9a21369ddb6d04835933afb96ac3a70f49c44ea

(this sample)

  
Dropped by
SHA256 0df830a367610fcb028cde8f30920442dcf2912fdb318f3fc3c91dfc0d3e2429
  
URLhaus
https://urlhaus.abuse.ch/url/3719169/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 bc658783ed36b69561a0e2bfd20285c4

Comments