MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a0df7698a3e07915c31a48a573e8ef2794d605d893492e1898de257f665de549. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a0df7698a3e07915c31a48a573e8ef2794d605d893492e1898de257f665de549
SHA3-384 hash: 4adfa081406546ec1d4e99399d7a826795ac3f13d778d5bbb307c3532e2227f8e1197021a7f421c2bfbaf0a3b3dd2b38
SHA1 hash: 24f1007909aa0aadecda81a5ab74335013151ebd
MD5 hash: 816a3444f0b6679e9b77dd09c5a691a6
humanhash: sad-island-kitten-minnesota
File name:KFS.x86
Download: download sample
Signature Mirai
Create hunting rule
File size:49'004 bytes
First seen:2022-06-20 16:33:40 UTC
Last seen:2022-06-20 17:36:54 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:1pwtv56Q2Gvi95V6TUqAbeZLXnvCr+qoCJiQ+QrvOZJK6XPGMTZAGUuox0j1d/i0:pCC5V64qAmwoC5WNPK+1YwL
TLSH T19C23F166F377FE79C4366B36281E9340F9E1754A9172B27F00F5B1AC88D9E202C54E81
TrID 50.1% (.) ELF Executable and Linkable format (Linux) (4022/12)
49.8% (.O) ELF Executable and Linkable format (generic) (4000/1)
Reporter KdssSupport
Tags:elf gafgyt intel mirai x86

Intelligence

File Origin
# of uploads :
2
# of downloads :
175
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Gen.Variant.Trojan.Linux.Gafgyt.5.7892.11855.UNOFFICIAL
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Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug
Link:
https://www.filescan.io/uploads/62b0a1bb1918c986a2924a99/reports/cbdb1fdf-f9ae-4353-aee9-41808ba673e5/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
UPX
Botnet:
unknown
Number of open files:
1
Number of processes launched:
3
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/a0df7698a3e07915c31a48a573e8ef2794d605d893492e1898de257f665de549
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
172.245.210.119:20129
UDP botnet C2(s):
not identified
Result
Verdict:
MALICIOUS
Malware family:
Gafgyt
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/01d3940c-73d3-4c62-a160-5f0b610241c9
Result
Threat name:
Mirai
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Detection:
malicious
Classification:
spre.troj.evad
Score:
84 / 100
Link:
https://www.joesandbox.com/analysis/1016626
Signature
Deletes security-related log files
Executes the "iptables" command to insert, remove and/or manipulate rules
Multi AV Scanner detection for submitted file
Opens /proc/net/* files useful for finding connected devices and routers
Sample deletes itself
Sample is packed with UPX
Snort IDS alert for network traffic
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 649130 Sample: KFS.x86 Startdate: 20/06/2022 Architecture: LINUX Score: 84 40 172.245.210.119, 20129, 54936 AS-COLOCROSSINGUS United States 2->40 42 109.202.202.202, 80 INIT7CH Switzerland 2->42 44 3 other IPs or domains 2->44 46 Snort IDS alert for network traffic 2->46 48 Multi AV Scanner detection for submitted file 2->48 50 Yara detected Mirai 2->50 52 Sample is packed with UPX 2->52 10 KFS.x86 2->10         started        signatures3 process4 signatures5 60 Opens /proc/net/* files useful for finding connected devices and routers 10->60 13 KFS.x86 10->13         started        process6 process7 15 KFS.x86 13->15         started        process8 17 KFS.x86 sh 15->17         started        19 KFS.x86 sh 15->19         started        21 KFS.x86 sh 15->21         started        23 9 other processes 15->23 process9 25 sh rm 17->25         started        28 sh rm 19->28         started        30 sh iptables 21->30         started        32 sh iptables 23->32         started        34 sh rm 23->34         started        36 sh rm 23->36         started        38 5 other processes 23->38 signatures10 54 Sample deletes itself 25->54 56 Deletes security-related log files 28->56 58 Executes the "iptables" command to insert, remove and/or manipulate rules 30->58
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a0df7698a3e07915c31a48a573e8ef2794d605d893492e1898de257f665de549/
Threat name:
Linux.Trojan.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2022-06-20 16:34:05 UTC
File Type:
ELF64 Little (Exe)
AV detection:
16 of 26 (61.54%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=udpxngfd4b4rlqy2jcsxh2hpe6knmboysnes4gey3ysx6zs54veq._file
Result
Malware family:
n/a
Score:
  9/10
Tags:
linux persistence
Link:
https://tria.ge/reports/220620-t23wfsehdl/
Behaviour
Reads runtime system information
Writes file to tmp directory
Reads CPU attributes
Reads system network configuration
Creates/modifies Cron job
Reads system routing table
Writes DNS configuration
Deletes system logs
Modifies the Watchdog daemon
Writes file to system bin folder
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:exploit_any_poppopret
Create hunting rule
Author:Jeff White [karttoon@gmail.com] @noottrak
Description:Identify POP -> POP -> RET opcodes for quick ROP Gadget creation in target binaries.
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:SUSP_ELF_LNX_UPX_Compressed_File
Create hunting rule
Author:Florian Roth
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf a0df7698a3e07915c31a48a573e8ef2794d605d893492e1898de257f665de549

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2246111/
  
Delivery method
Distributed via web download

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