MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a7b571194f73d980d6e27ff9158296cd7b338a4db78e80116a496377acdb380e. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a7b571194f73d980d6e27ff9158296cd7b338a4db78e80116a496377acdb380e
SHA3-384 hash: f3fc9f23d1b672a76b948d7ece26ec19af4bf4a59a47252b2db74eaa3318733e3ac909844d7e3e9a69b943dcdafad7df
SHA1 hash: da0867822069d37feaa4a7e679b612591954eed4
MD5 hash: ea0d2ae22a5b84055062cba56c21b54a
humanhash: carbon-low-coffee-lamp
File name:yakov.x64
Download: download sample
Signature Mirai
Create hunting rule
File size:27'888 bytes
First seen:2025-03-03 15:56:52 UTC
Last seen:2025-03-03 16:36:34 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:tz8N0THurznBCVU/ctp/C/ywYIJ2+mKjoBRt8/3F0s+:+8HuXnh/I/0pYk24Ot895+
TLSH T190C2E1B5C9775B2DD6C2D9B82C2A696E29C3360077B7AD4CD0F328D2E042164D4B7A03
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 :
86
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Siggen.9999.10501.26410.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
90.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67c5d23ac8d04e92a4beb8a7linux22vpnfull_triage
Tags:
mirai ddos
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/67c5d15c3c5f644bd940841c/reports/2e0bedab-0ee0-4c82-bda3-2dfff3745c1f/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/a7b571194f73d980d6e27ff9158296cd7b338a4db78e80116a496377acdb380e
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/77b7b269-289c-48d5-9406-e2c8a9c5c239
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1628216
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: 1628216 Sample: yakov.x64.elf Startdate: 03/03/2025 Architecture: LINUX Score: 68 18 107.151.165.47 ZNETUS United States 2->18 20 60.193.19.25 XEPHIONNTT-MECorporationJP Japan 2->20 22 98 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 Yara detected Mirai 2->28 30 Sample is packed with UPX 2->30 8 dash rm yakov.x64.elf 2->8         started        10 dash rm 2->10         started        signatures3 process4 process5 12 yakov.x64.elf 8->12         started        process6 14 yakov.x64.elf 12->14         started        16 yakov.x64.elf 12->16         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/a7b571194f73d980d6e27ff9158296cd7b338a4db78e80116a496377acdb380e
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a7b571194f73d980d6e27ff9158296cd7b338a4db78e80116a496377acdb380e/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-03-03 15:57:17 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=u62xcgkpopmybvxcp74rlauwzv5thcsnw6hiaelkjfrxplg3haha._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-tdz5na11et/
Behaviour
Modifies Watchdog functionality
Contacts a large (20521) amount of remote hosts
Creates a large amount of network flows
Mirai
Mirai family
Verdict:
Informative
Tags:
trojan
YARA:
Linux_Trojan_Ircbot_bb204b81
Link:
https://app.threat.zone/submission/4682e9c1-13a3-4ad1-b2b4-64e5c50b93e4
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:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
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 a7b571194f73d980d6e27ff9158296cd7b338a4db78e80116a496377acdb380e

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3464317/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3464326/

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