MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a2df4f5c2a036fb4f0093b43eff76699b86f00b9abde6ac38d33d3777d608983. 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: 12


Intelligence 12 IOCs YARA 18 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a2df4f5c2a036fb4f0093b43eff76699b86f00b9abde6ac38d33d3777d608983
SHA3-384 hash: 451bee5ab6f19c5023fd650f4919449768145e4324052f3bd7dfe7d0fa0d0088f460f64e0526ab766a4f74df809d051c
SHA1 hash: 46f89a2ef4a7c2f8dd60646ed827d408f433ca99
MD5 hash: 5d5c01bea13e76f081907bc890bc0029
humanhash: nineteen-iowa-potato-august
File name:assailant.i586
Download: download sample
Signature Mirai
Create hunting rule
File size:99'709 bytes
First seen:2024-03-04 10:48:54 UTC
Last seen:2024-03-07 03:24:38 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:ZwYfmdU2Uh917j8D869ACPhDdAURyv/Y5hNTuKPxinf0OzTyoQQub:mdxu917j8D86pDA5vQ5h9/xinf0OzTyv
TLSH T1E1A34A829740E5B3D09306B5129B8B150133FB3F4A6B9EAAF35D3CF48B559C17221B99
telfhash t11a21c14396f68b2c6fb3587468bc47a11552a6237260bf70af5ec1409d37006b579e8f
TrID 50.1% (.) ELF Executable and Linkable format (Linux) (4022/12)
49.8% (.O) ELF Executable and Linkable format (generic) (4000/1)
Reporter elfdigest
Tags:gafgyt mirai

Intelligence

File Origin
# of uploads :
4
# of downloads :
115
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Unix.Trojan.Gafgyt-6981154-0
Create hunting rule

Unix.Dropper.Mirai-7138855-0
Create hunting rule

Unix.Dropper.Mirai-7139223-0
Create hunting rule

Unix.Dropper.Mirai-7139232-0
Create hunting rule

Unix.Proxy.Mirai-7844054-0
Create hunting rule

Unix.Trojan.Mirai-9853183-0
Create hunting rule

Unix.Trojan.Mirai-9864781-0
Create hunting rule

Unix.Trojan.Mirai-9907057-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug lolbin masquerade phishing remote
Link:
https://www.filescan.io/uploads/65e5a72295e2f0fb7a8bad2d/reports/d5e7d4d5-b533-4d98-b939-4471b202ecba/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
103.173.255.143
Number of open files:
0
Number of processes launched:
6
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/a2df4f5c2a036fb4f0093b43eff76699b86f00b9abde6ac38d33d3777d608983
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Verdict:
MALICIOUS
Malware family:
Gafgyt
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/eb4615a2-e87e-4c9a-a7ec-0e3870a7511d
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1402471
Signature
Antivirus / Scanner detection for submitted sample
Connects to many ports of the same IP (likely port scanning)
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
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1402471 Sample: assailant.i586.elf Startdate: 04/03/2024 Architecture: LINUX Score: 88 19 103.173.255.143, 33448, 42516 AARNET-AS-APAustralianAcademicandResearchNetworkAARNe unknown 2->19 21 daisy.ubuntu.com 2->21 23 Snort IDS alert for network traffic 2->23 25 Malicious sample detected (through community Yara rule) 2->25 27 Antivirus / Scanner detection for submitted sample 2->27 29 4 other signatures 2->29 9 assailant.i586.elf 2->9         started        signatures3 process4 process5 11 assailant.i586.elf 9->11         started        process6 13 assailant.i586.elf 11->13         started        process7 15 assailant.i586.elf 13->15         started        17 assailant.i586.elf 13->17         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/a2df4f5c2a036fb4f0093b43eff76699b86f00b9abde6ac38d33d3777d608983
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a2df4f5c2a036fb4f0093b43eff76699b86f00b9abde6ac38d33d3777d608983/
Threat name:
Linux.Trojan.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2024-03-04 10:49:07 UTC
File Type:
ELF32 Little (Exe)
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ulpu6xbkanx3j4ajhnb6753gtg4g6afzvppgvq4ngpjxo7largbq._file
Result
Malware family:
gafgyt
Create hunting rule
Score:
  10/10
Tags:
family:gafgyt linux
Link:
https://tria.ge/reports/240304-mwn2sahe66/
Behaviour
Changes its process name
Writes DNS configuration
Malware Config
C2 Extraction:
103.173.255.143:42516
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.75
Link:
https://yomi.yoroi.company/submissions/a2df4f5c2a036fb4f0093b43eff76699b86f00b9abde6ac38d33d3777d608983

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:enterpriseapps2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_20f5e74f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_30444846
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_5bf62ce4
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_6122acdf
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_7167d08f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_71e487ea
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_750fe002
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_c573932b
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_389ee3e9
Create hunting rule
Author:Elastic Security
Rule name:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:qbot_bashlite_gafgyt_botnet
Create hunting rule
Author:bozer
Description:Use to detect qbot/gafgyt/bashlite botnet, and there variants.
Rule name:Qbot_Gafgyt_Bashlite
Create hunting rule
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 a2df4f5c2a036fb4f0093b43eff76699b86f00b9abde6ac38d33d3777d608983

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2775667/
  
Delivery method
Distributed via web download

Comments