MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b9e27f472ead032ba680aa483bcde23fa8610c579e028bc69c82d2bf56c00f60. 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: 8


Intelligence 8 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b9e27f472ead032ba680aa483bcde23fa8610c579e028bc69c82d2bf56c00f60
SHA3-384 hash: 0eb5cce872d329b7f03a79612ff579517e9256ac94ef468ac7896890f2cc312cb02927ebbd01358abe74d6c28f77aff8
SHA1 hash: cb5094951a9334be2706d66479aa67bed5095027
MD5 hash: e7e2a9dde06e0f922aa200e2d5501398
humanhash: six-violet-fifteen-mike
File name:KFS.arm6
Download: download sample
Signature Mirai
Create hunting rule
File size:53'536 bytes
First seen:2022-06-20 16:32:03 UTC
Last seen:2022-06-20 17:36:46 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:6QhmzLXRc3XgYl+XroD9ry9Z3zrIQoV7L/qhgqg62QU:bILXRgKoDhoZj0QgLOgqg62QU
TLSH T19233020B50632DB197A0907AD93887EBBBDB59EC53FA35164E1A0ED837F0C4268641F2
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:arm6 elf mirai

Intelligence

File Origin
# of uploads :
2
# of downloads :
160
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.BackDoor.Fgt.1755.12730.20617.UNOFFICIAL
Create hunting rule

Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug
Link:
https://www.filescan.io/uploads/62b0a144e8129220e07bed56/reports/9c714cf3-508d-4957-8a69-9dfffad8f9fe/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
UPX
Botnet:
unknown
Number of open files:
1
Number of processes launched:
0
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/b9e27f472ead032ba680aa483bcde23fa8610c579e028bc69c82d2bf56c00f60
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Verdict:
MALICIOUS
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/ee23012d-04a6-4d0c-bb55-ecd706c77f0a
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
76 / 100
Link:
https://www.joesandbox.com/analysis/1016642
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
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 649161 Sample: KFS.arm6 Startdate: 20/06/2022 Architecture: LINUX Score: 76 40 109.202.202.202, 80 INIT7CH Switzerland 2->40 42 91.189.91.42, 443 CANONICAL-ASGB United Kingdom 2->42 44 2 other IPs or domains 2->44 46 Multi AV Scanner detection for submitted file 2->46 48 Yara detected Mirai 2->48 50 Sample is packed with UPX 2->50 10 KFS.arm6 2->10         started        signatures3 process4 signatures5 58 Opens /proc/net/* files useful for finding connected devices and routers 10->58 13 KFS.arm6 10->13         started        process6 process7 15 KFS.arm6 13->15         started        process8 17 KFS.arm6 sh 15->17         started        19 KFS.arm6 sh 15->19         started        21 KFS.arm6 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 52 Sample deletes itself 25->52 54 Deletes security-related log files 28->54 56 Executes the "iptables" command to insert, remove and/or manipulate rules 30->56
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b9e27f472ead032ba680aa483bcde23fa8610c579e028bc69c82d2bf56c00f60/
Threat name:
Linux.Trojan.Mirai
Create hunting rule
Status:
Malicious
First seen:
2022-06-20 16:33:04 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 26 (53.85%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xhrh6rzovubsxjuavjedxtpch6ugcdcxtybixru4qljl6vwab5qa._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
linux
Link:
https://tria.ge/reports/220620-t2g9rahae9/
Behaviour
Reads runtime system information
Reads system network configuration
Reads system routing table
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/b9e27f472ead032ba680aa483bcde23fa8610c579e028bc69c82d2bf56c00f60

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 b9e27f472ead032ba680aa483bcde23fa8610c579e028bc69c82d2bf56c00f60

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2246100/
  
Delivery method
Distributed via web download

Comments