MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 28b636dd861a4f2ba6ef2228e31b1cf314e503e8c052fa02c1b5aaf8a1c779f6. 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 20 File information Comments 1

SHA256 hash: 28b636dd861a4f2ba6ef2228e31b1cf314e503e8c052fa02c1b5aaf8a1c779f6
SHA3-384 hash: 7c4835052a860d4b91671607e0bd61685ca08b5658cc8d01da76ddae9a47ffbc9ebf3885b13ae455066ce586de18b485
SHA1 hash: 89abd86d7558738abdcea7db06133c0396d53318
MD5 hash: 9f06e0d941dd9632ca4d0a8bcb9420fb
humanhash: mississippi-glucose-kentucky-south
File name:9f06e0d941dd9632ca4d0a8bcb9420fb
Download: download sample
Signature Mirai
File size:160'216 bytes
First seen:2024-06-29 17:56:05 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:B2hKj/Y1SX1Qq/TK/Sss/na6qUmT/+RuPlnDlHGamkvrmp5UP0q:B2hKj/Y1SX17TK/l/pkoP0q
TLSH T148F34B07B5C184FDC4DAC1B44B9FB63ADD31F49D1238B26B27C4AA221E4DE215F2EA54
telfhash t1c851cc743ea5349871e3e375730ad929f8360a5018d270e5df73ade18e1678c0eb2826
TrID 50.1% (.) ELF Executable and Linkable format (Linux) (4022/12)
49.8% (.O) ELF Executable and Linkable format (generic) (4000/1)
Reporter zbetcheckin
Tags:64 elf gafgyt mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
120
Origin country :
FR FR
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Kills processes
Receives data from a server
Runs as daemon
Sends data to a server
Connection attempt
DNS request
Deletes a system binary file
Substitutes an application name
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
50
Number of processes launched:
6
Processes remaning?
true
Remote TCP ports scanned:
37215,8080
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
type:Moobot 15.235.209.194:19990
UDP botnet C2(s):
not identified
Result
Threat name:
Mirai, Gafgyt, Okiru
Detection:
malicious
Classification:
troj
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Connects to many ports of the same IP (likely port scanning)
Detected Mirai
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Uses known network protocols on non-standard ports
Yara detected Gafgyt
Yara detected Mirai
Yara detected Okiru
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1464674 Sample: jvdETd7zDg.elf Startdate: 29/06/2024 Architecture: LINUX Score: 100 26 157.169.35.95, 33859, 37215 FR-ASNBLOCK2FR-MAN-SOPHIA-ANTIPOLISEU France 2->26 28 botnet.4gnekoland.top 2->28 30 99 other IPs or domains 2->30 32 Snort IDS alert for network traffic 2->32 34 Malicious sample detected (through community Yara rule) 2->34 36 Antivirus / Scanner detection for submitted sample 2->36 38 8 other signatures 2->38 8 jvdETd7zDg.elf 2->8         started        10 gnome-session-binary sh gsd-print-notifications 2->10         started        12 xfce4-session xfdesktop 2->12         started        14 6 other processes 2->14 signatures3 process4 process5 16 jvdETd7zDg.elf 8->16         started        process6 18 jvdETd7zDg.elf 16->18         started        20 jvdETd7zDg.elf 16->20         started        22 jvdETd7zDg.elf 16->22         started        24 jvdETd7zDg.elf 16->24         started       
Threat name:
Linux.Trojan.Mirai
Status:
Malicious
First seen:
2024-06-29 17:57:06 UTC
File Type:
ELF64 Little (Exe)
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery linux
Behaviour
Reads runtime system information
Changes its process name
Enumerates running processes
Contacts a large (84306) amount of remote hosts
Creates a large amount of network flows
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:BitcoinAddress
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:Linux_Gafgyt_May_2024
Author:NDA0E
Description:Detects Gafgyt
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_0cd591cd
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
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_Gafgyt_ea92cca8
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_01e4a728
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_1e0c5ce0
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_520deeb8
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_6a77af0f
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 28b636dd861a4f2ba6ef2228e31b1cf314e503e8c052fa02c1b5aaf8a1c779f6

(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



Avatar
zbet commented on 2024-06-29 17:56:06 UTC

url : hxxp://15.235.209.194/tajma.x86_64