MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 be64ac94436c8c8b4321362b886fbdfbe8dfa41bf1771b50a77a15ef146caf62. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: be64ac94436c8c8b4321362b886fbdfbe8dfa41bf1771b50a77a15ef146caf62
SHA3-384 hash: 4801180089a029af83e6dcf19dfdba064f22da4c59814944bb0012567ed1d797e1b13c90cb1b7444a42365eea20a07a6
SHA1 hash: a96c64be36e991c484d03f4a03d510e3c35dbd90
MD5 hash: 596d56aca914cb86f4cbe2e432a60b99
humanhash: skylark-thirteen-finch-montana
File name:yakov.x86
Download: download sample
Signature Mirai
Create hunting rule
File size:24'940 bytes
First seen:2025-03-03 15:06:39 UTC
Last seen:2025-03-03 15:19:13 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:/HQDa2Ug3tsnnii4UWMm8ZOcWZce/tVumbg:H2Ug3Qii4UWMmrNtVtk
TLSH T13EB2D12A1ECAA5A6C626E37FB51D883358CC9CB0A57941DBF2E8D0275C6301D4C138BD
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

Intelligence

File Origin
# of uploads :
2
# of downloads :
89
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Siggen.9999.2876.440.UNOFFICIAL
Create hunting rule

Verdict:
Clean
Score:
89.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67c5c650c668b65489beb5cdlinux22vpnfull_triage
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Sends data to a server
Opens a port
Receives data from a server
Runs as daemon
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
masquerade packed upx
Link:
https://www.filescan.io/uploads/67c5c59d4a3011c802c63642/reports/05d42e0d-15f2-4dc5-b6df-ba8ceb587f88/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
UPX
Botnet:
nuklearcnc.duckdns.org/bins
Number of open files:
0
Number of processes launched:
4
Processes remaning?
false
Remote TCP ports scanned:
23
Full report:
https://elfdigest.com/brief/be64ac94436c8c8b4321362b886fbdfbe8dfa41bf1771b50a77a15ef146caf62
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Verdict:
SUSPICIOUS
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/321f6860-d90a-44b4-9f49-3288eaba29b1
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1628150
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1628150 Sample: yakov.x86.elf Startdate: 03/03/2025 Architecture: LINUX Score: 68 26 Malicious sample detected (through community Yara rule) 2->26 28 Multi AV Scanner detection for submitted file 2->28 30 Yara detected Mirai 2->30 32 Sample is packed with UPX 2->32 8 yakov.x86.elf 2->8         started        process3 process4 10 yakov.x86.elf 8->10         started        process5 12 yakov.x86.elf 10->12         started        14 yakov.x86.elf 10->14         started        16 yakov.x86.elf 10->16         started        18 2 other processes 10->18 process6 20 yakov.x86.elf 12->20         started        22 yakov.x86.elf 14->22         started        24 yakov.x86.elf 16->24         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/be64ac94436c8c8b4321362b886fbdfbe8dfa41bf1771b50a77a15ef146caf62
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/be64ac94436c8c8b4321362b886fbdfbe8dfa41bf1771b50a77a15ef146caf62/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-03-03 15:07:12 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 38 (39.47%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xzskzfcdnsgiwqzbgyvyq3557pun7ja36f3rwufhpik66fdmv5ra._file
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery linux rootkit upx
Link:
https://tria.ge/reports/250303-shb3ys1tet/
Behaviour
Writes file to tmp directory
Loads a kernel module
Contacts a large (20287) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/eb6dcc43-f08a-4b7e-bb3b-a180b761627c
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/be64ac94436c8c8b4321362b886fbdfbe8dfa41bf1771b50a77a15ef146caf62

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_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:upx_packed_elf_v1
Create hunting rule
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 be64ac94436c8c8b4321362b886fbdfbe8dfa41bf1771b50a77a15ef146caf62

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3464327/
  
Delivery method
Distributed via web download

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