MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2cb1fa4742268fb0196613aee7a39a08a0707b3ef8853280d5060c44f3650d70. 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: 14


Intelligence 14 IOCs YARA 17 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2cb1fa4742268fb0196613aee7a39a08a0707b3ef8853280d5060c44f3650d70
SHA3-384 hash: 7a50c886a1b033f0cc9464c6c18fdd3fc6ae456c9c227733794915d802a9f49071520f48e0bc7d252076fc0d40f64ead
SHA1 hash: 34d18f41ef35f93d5364ce3e24d74730a4e91985
MD5 hash: 05d7857dcead18bbd86d2935f591873c
humanhash: lithium-berlin-harry-kentucky
File name:wsaySOikSR3afBEBBbLelehAkQc8MFUcQx
Download: download sample
Signature Mirai
Create hunting rule
File size:114'877 bytes
First seen:2024-11-03 12:46:11 UTC
Last seen:2024-11-05 02:19:04 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:o0pHqiUxCoypP1Xyukbt56UFQ71SMSmUHM5RmNtbm9c:REOtiukxc3SmUHM5Rm/bm9c
TLSH T195B35D1798A1D5EFC0879BF816EF9124D533BC3E1B3673127395BCEA2B286C89D18215
telfhash t1503112c6a07b4d683e71a8049ca8c7b471df9a26d3516eb0ef1dc98c841b0013711ecb
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 gafgyt mirai

Intelligence

File Origin
# of uploads :
2
# of downloads :
85
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.29524.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.29052.TSource.UNOFFICIAL
Create hunting rule

Unix.Dropper.Mirai-7540662-0
Create hunting rule

Unix.Dropper.Mirai-9977145-0
Create hunting rule

Unix.Trojan.Mirai-10033788-0
Create hunting rule

Unix.Packed.Botnet-6566031-0
Create hunting rule

Unix.Dropper.Botnet-6566040-0
Create hunting rule

Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=672770cf49e92a05dde2a9a3linux22vpnfull_triage
Tags:
gafgyt mirai
Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Connection attempt
Creating a file
Receives data from a server
DNS request
Changes access rights for a written file
Changes access rights for a file
Launching a process
Changes the time when the file was created, accessed, or modified
Opens a port
Sends data to a server
Kills critical processes
Creates or modifies files in /cron to set up autorun
Writes files to system directory
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
android anti-debug gcc lolbin remote
Link:
https://www.filescan.io/uploads/672770c9f34fcc4d75993d02/reports/4d89ec1a-bb4c-4e76-b8ad-2d7e499c8571/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
133
Number of processes launched:
89
Processes remaning?
false
Remote TCP ports scanned:
80,37215,81,8080,52869,7574,5555,49152,8443
Full report:
https://elfdigest.com/brief/2cb1fa4742268fb0196613aee7a39a08a0707b3ef8853280d5060c44f3650d70
Behaviour
no suspicious findings
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/5e1c2e5d-9731-4f1a-ace8-3d0632667868
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1547943
Signature
Contains symbols with names commonly found in malware
Executes the "crontab" command typically for achieving persistence
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample tries to persist itself using cron
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1547943 Sample: wsaySOikSR3afBEBBbLelehAkQc... Startdate: 03/11/2024 Architecture: LINUX Score: 96 31 87.120.84.230, 40898, 443, 52542 SHARCOM-ASBG Bulgaria 2->31 33 109.202.202.202, 80 INIT7CH Switzerland 2->33 35 3 other IPs or domains 2->35 37 Malicious sample detected (through community Yara rule) 2->37 39 Multi AV Scanner detection for submitted file 2->39 41 Yara detected Mirai 2->41 43 2 other signatures 2->43 9 wsaySOikSR3afBEBBbLelehAkQc8MFUcQx.elf 2->9         started        signatures3 process4 process5 11 wsaySOikSR3afBEBBbLelehAkQc8MFUcQx.elf 9->11         started        13 wsaySOikSR3afBEBBbLelehAkQc8MFUcQx.elf 9->13         started        process6 15 wsaySOikSR3afBEBBbLelehAkQc8MFUcQx.elf sh 11->15         started        17 wsaySOikSR3afBEBBbLelehAkQc8MFUcQx.elf sh 11->17         started        19 wsaySOikSR3afBEBBbLelehAkQc8MFUcQx.elf 13->19         started        21 wsaySOikSR3afBEBBbLelehAkQc8MFUcQx.elf 13->21         started        process7 23 sh crontab 15->23         started        27 sh crontab 17->27         started        file8 29 /var/spool/cron/crontabs/tmp.5t9lMg, ASCII 23->29 dropped 45 Sample tries to persist itself using cron 23->45 47 Executes the "crontab" command typically for achieving persistence 23->47 signatures9
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/2cb1fa4742268fb0196613aee7a39a08a0707b3ef8853280d5060c44f3650d70
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/2cb1fa4742268fb0196613aee7a39a08a0707b3ef8853280d5060c44f3650d70/
Threat name:
Linux.Backdoor.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2024-11-02 19:57:24 UTC
File Type:
ELF64 Little (Exe)
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fsy7ur2ce2h3aglgcoxopi42bcqha6z67cctfagvaygej43fbvya._file
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery execution linux persistence privilege_escalatio
Link:
https://tria.ge/reports/241103-pz7dmsvdjr/
Behaviour
Reads runtime system information
Creates/modifies Cron job
Enumerates running processes
Renames itself
Contacts a large (2204) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
trojan gafgyt
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
Link:
https://app.threat.zone/submission/fbca75ec-f505-4157-810f-3b0aee119fd8
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/2cb1fa474226/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/2cb1fa4742268fb0196613aee7a39a08a0707b3ef8853280d5060c44f3650d70

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:CVE_2017_17215
Create hunting rule
Author:NDA0E
Description:Detects exploitation attempt of CVE-2017-17215
Rule name:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:iot_req_metachar
Create hunting rule
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_1ac392ca
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_0cd591cd
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_33b4111a
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_620087b9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_807911a2
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_9e9530a7
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_a33a8363
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d0c57a2e
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d4227dbf
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d996d335
Create hunting rule
Author:Elastic Security
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:unixredflags3
Create hunting rule
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 2cb1fa4742268fb0196613aee7a39a08a0707b3ef8853280d5060c44f3650d70

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3273854/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3274057/
  
URLhaus
https://urlhaus.abuse.ch/url/3275288/

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