MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b1e9744ae47146393b87783e6d9d560d4396fe50b56961903d4706697d115164. 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: 11


Intelligence 11 IOCs YARA 13 File information Comments

SHA256 hash: b1e9744ae47146393b87783e6d9d560d4396fe50b56961903d4706697d115164
SHA3-384 hash: 525f5268c929044be003caea12b2caee31a0c8ee21c91647d8a52c5ef25fcee236d461d0d9cdb427996f61252df5ad00
SHA1 hash: b9dbed7f15714c0ffb3253c66ac18077a9cb0c42
MD5 hash: ff191cc3244453e544d569ae639ac947
humanhash: mirror-fruit-green-four
File name:Kloki.x86_64
Download: download sample
Signature Mirai
File size:147'384 bytes
First seen:2025-01-04 08:21:39 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:iTE2bHeb96RiG4uD8iaGHYRSaHDNil/xVkVtY+TeIJ:fFb96ZRYslItCe
TLSH T197E33A07B6C090FDC8D9C6B44FAFB13B9972F55D0139B26B2BC4BB261E4DE205A1DA14
telfhash t168519b702ea53ca4b2f79775b70ae955e4711d3014e171e1de77bcf6ce223840ca24a6
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 :
1
# of downloads :
144
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
DNS request
Kills processes
Sends data to a server
Opens a port
Creating a file
Receives data from a server
Runs as daemon
Substitutes an application name
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
anti-debug lolbin remote
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
23
Number of processes launched:
7
Processes remaning?
true
Remote TCP ports scanned:
13566
Behaviour
Process Renaming
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Verdict:
UNKNOWN
Result
Threat name:
Detection:
malicious
Classification:
spre.troj
Score:
80 / 100
Signature
Antivirus / Scanner detection for submitted sample
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample tries to kill multiple processes (SIGKILL)
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1584107 Sample: Kloki.x86_64.elf Startdate: 04/01/2025 Architecture: LINUX Score: 80 26 Malicious sample detected (through community Yara rule) 2->26 28 Antivirus / Scanner detection for submitted sample 2->28 30 Multi AV Scanner detection for submitted file 2->30 32 2 other signatures 2->32 8 Kloki.x86_64.elf 2->8         started        process3 process4 10 Kloki.x86_64.elf 8->10         started        process5 12 Kloki.x86_64.elf 10->12         started        14 Kloki.x86_64.elf 10->14         started        17 Kloki.x86_64.elf 10->17         started        19 2 other processes 10->19 signatures6 21 Kloki.x86_64.elf 12->21         started        36 Sample tries to kill multiple processes (SIGKILL) 14->36 24 Kloki.x86_64.elf 17->24         started        process7 signatures8 34 Sample tries to kill multiple processes (SIGKILL) 21->34
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2025-01-04 04:12:41 UTC
File Type:
ELF64 Little (Exe)
AV detection:
15 of 23 (65.22%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion discovery linux
Behaviour
Reads runtime system information
Changes its process name
Enumerates running processes
Modifies Watchdog functionality
Renames itself
Unexpected DNS network traffic destination
Verdict:
Malicious
Tags:
trojan gafgyt mirai Unix.Dropper.Mirai-7540662-0
YARA:
Linux_Trojan_Gafgyt_9e9530a7 Linux_Trojan_Gafgyt_807911a2 Linux_Trojan_Gafgyt_d4227dbf Linux_Trojan_Gafgyt_d996d335 Linux_Trojan_Gafgyt_d0c57a2e Linux_Trojan_Gafgyt_620087b9 Linux_Trojan_Gafgyt_0cd591cd Linux_Trojan_Gafgyt_33b4111a Linux_Trojan_Gafgyt_a33a8363 Linux_Trojan_Mirai_520deeb8 Linux_Trojan_Mirai_01e4a728 Linux_Trojan_Mirai_e0cf29e2
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_Trojan_Gafgyt_0cd591cd
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_33b4111a
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_620087b9
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_807911a2
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_9e9530a7
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_a33a8363
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d0c57a2e
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d4227dbf
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d996d335
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_01e4a728
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_520deeb8
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_e0cf29e2
Author:Elastic Security
Rule name:unixredflags3
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 b1e9744ae47146393b87783e6d9d560d4396fe50b56961903d4706697d115164

(this sample)

  
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