MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8d830894ea633be4bebb55ba1a6b7cb638310ac40d0c5b358eceed388e923ff4. 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: 13


Intelligence 13 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8d830894ea633be4bebb55ba1a6b7cb638310ac40d0c5b358eceed388e923ff4
SHA3-384 hash: 720eef80156f005bacd95e833e6ef2112774bdc55c33a1acfc3d775946036ecad92f8c566321db84211c18a4c70d3659
SHA1 hash: ee59cba1fd3f6e1d1f83481302b6064643b63fa7
MD5 hash: 94016a6f54f827e9d061d90a3439e42a
humanhash: shade-fruit-oscar-fanta
File name:yakov.x64
Download: download sample
Signature Mirai
Create hunting rule
File size:25'468 bytes
First seen:2025-03-03 14:56:34 UTC
Last seen:2025-03-03 15:19:09 UTC
File type: elf
MIME type:application/x-executable
ssdeep 384:XNNJ8/9gN/9d50QIUiExZf2CL1MpsB7hdScl0udLUvDOD1ciiFqcJR:BqgN/jx/a+jdrl0oG8TsX
TLSH T1EBB2E17AC55D030FF58101BD14AEFB893D251773EEC9A6B28FA06099DC6AE576104E83
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 :
90
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Siggen.9999.16516.22017.UNOFFICIAL
Create hunting rule

Verdict:
Clean
Score:
89.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67c5c403c8d04e92a4beaea9linux22vpnfull_triage
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Runs as daemon
Receives data from a server
Opens a port
Sends data to a server
Performs a bruteforce attack in the network
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
masquerade packed upx
Link:
https://www.filescan.io/uploads/67c5c34e3c5f644bd94069f7/reports/1109dae7-1013-4aa1-be45-bf4b5110d5f3/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
UPX
Botnet:
unknown
Number of open files:
0
Number of processes launched:
4
Processes remaning?
false
Remote TCP ports scanned:
23
Full report:
https://elfdigest.com/brief/8d830894ea633be4bebb55ba1a6b7cb638310ac40d0c5b358eceed388e923ff4
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Verdict:
MALICIOUS
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/4430ee9e-b931-4384-9817-fb19396da47e
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1628135
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 dnsIp2 2 Behavior Graph ID: 1628135 Sample: yakov.x64.elf Startdate: 03/03/2025 Architecture: LINUX Score: 68 16 196.174.122.6, 23, 24061 zain-asGH Ghana 2->16 18 173.189.163.42, 23 WINDSTREAMUS United States 2->18 20 98 other IPs or domains 2->20 22 Malicious sample detected (through community Yara rule) 2->22 24 Multi AV Scanner detection for submitted file 2->24 26 Yara detected Mirai 2->26 28 Sample is packed with UPX 2->28 8 yakov.x64.elf 2->8         started        signatures3 process4 process5 10 yakov.x64.elf 8->10         started        process6 12 yakov.x64.elf 10->12         started        14 yakov.x64.elf 10->14         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/8d830894ea633be4bebb55ba1a6b7cb638310ac40d0c5b358eceed388e923ff4
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/8d830894ea633be4bebb55ba1a6b7cb638310ac40d0c5b358eceed388e923ff4/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-03-03 14:57:19 UTC
File Type:
ELF64 Little (Exe)
AV detection:
16 of 38 (42.11%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rwbqrfhkmm56jpv3kw5bu234wy4dccwebugfwnmoz3wtrdush72a._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:lzrd botnet defense_evasion discovery linux upx
Link:
https://tria.ge/reports/250303-sbns6s1sax/
Behaviour
Modifies Watchdog functionality
Contacts a large (20341) amount of remote hosts
Creates a large amount of network flows
Mirai
Mirai family
Verdict:
Malicious
Tags:
trojan gafgyt
YARA:
Linux_Trojan_Gafgyt_ea92cca8 Linux_Trojan_Ircbot_bb204b81
Link:
https://app.threat.zone/submission/be9136d0-2f81-4fa4-8751-1c9553930e36
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.84
Link:
https://yomi.yoroi.company/submissions/8d830894ea633be4bebb55ba1a6b7cb638310ac40d0c5b358eceed388e923ff4

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:Linux_Trojan_Gafgyt_ea92cca8
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Ircbot_bb204b81
Create hunting rule
Author:Elastic Security
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 8d830894ea633be4bebb55ba1a6b7cb638310ac40d0c5b358eceed388e923ff4

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3464317/
  
Delivery method
Distributed via web download

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh

Comments