MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e23938de3bd8bb2316b841be31b178760c044d04e5416ae10451843d048e157b. 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


Gafgyt


Vendor detections: 9


Intelligence 9 IOCs YARA 18 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e23938de3bd8bb2316b841be31b178760c044d04e5416ae10451843d048e157b
SHA3-384 hash: e96fd02847ccc9ba97bc1f5997e06341cffcce030dd0d28e6cd8a1686575c39615981e94c14a739ab47ea6a75065d226
SHA1 hash: 4186168d377c0485108bb997268ccfdb4f4bcb5c
MD5 hash: 5698bf230c228a2fbe83d5f574cef63c
humanhash: fish-three-jupiter-arizona
File name:x86_64
Download: download sample
Signature Gafgyt
Create hunting rule
File size:67'392 bytes
First seen:2023-09-22 23:03:37 UTC
Last seen:2023-09-22 23:04:41 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:8KBdaKD4+0xT0BV2R5IwLWO2F+xmviNqHE5VtE2qeqJSQMu:Xdai4+0xT0Dg57Lhk+xmvioH4Y2IJSQV
TLSH T16B631A07F54281FDC19AC1745B2BBA3E993271FD0229F2B67BD4EB222C5AD211D2DD44
telfhash t17d21a9713e521da0b1ebf176b317e5590c351a2405e235e2d5b268faeb6238309b6827
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

Intelligence

File Origin
# of uploads :
2
# of downloads :
100
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.28880.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Mirai-81.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.28878.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.28879.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.28877.LC.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-9441505-0
Create hunting rule

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

Gathering data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug lolbin mirai remote
Link:
https://www.filescan.io/uploads/650e1d6332ffdb7a7a10a824/reports/678f6723-cf4f-4cb1-a133-e51351b6c500/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
103.178.234.224
Number of open files:
44
Number of processes launched:
4
Processes remaning?
true
Remote TCP ports scanned:
37215
Full report:
https://elfdigest.com/brief/e23938de3bd8bb2316b841be31b178760c044d04e5416ae10451843d048e157b
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/b85f8cba-fe08-4418-9e7c-050be9202570
Result
Threat name:
Mirai, Moobot
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1313161
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
Sets full permissions to files and/or directories
Snort IDS alert for network traffic
Uses known network protocols on non-standard ports
Yara detected Mirai
Yara detected Moobot
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1313161 Sample: x86_64.elf Startdate: 23/09/2023 Architecture: LINUX Score: 100 25 botnet.shoprbx.com 2->25 27 197.213.1.162 ZAIN-ZAMBIAZM Zambia 2->27 29 99 other IPs or domains 2->29 31 Snort IDS alert for network traffic 2->31 33 Malicious sample detected (through community Yara rule) 2->33 35 Antivirus / Scanner detection for submitted sample 2->35 37 7 other signatures 2->37 8 x86_64.elf 2->8         started        signatures3 process4 process5 10 x86_64.elf sh 8->10         started        12 x86_64.elf 8->12         started        process6 14 sh chmod 10->14         started        17 sh rm 10->17         started        19 sh mkdir 10->19         started        21 x86_64.elf 12->21         started        23 x86_64.elf 12->23         started        signatures7 39 Sets full permissions to files and/or directories 14->39
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/e23938de3bd8bb2316b841be31b178760c044d04e5416ae10451843d048e157b/
Threat name:
Linux.Trojan.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2023-09-21 19:09:16 UTC
File Type:
ELF64 Little (Exe)
AV detection:
18 of 23 (78.26%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=4i4trxr33c5sgfvyig7ddmlyoygaitie4vawvyiekgcd2beocv5q._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai discovery linux
Link:
https://tria.ge/reports/230922-218pbacg46/
Behaviour
Reads runtime system information
Writes file to tmp directory
Enumerates running processes
Changes its process name
Contacts a large (37364) amount of remote hosts
Creates a large amount of network flows
Malware Config
C2 Extraction:
botnet.shoprbx.com
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.20
Link:
https://yomi.yoroi.company/submissions/e23938de3bd8bb2316b841be31b178760c044d04e5416ae10451843d048e157b

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
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_0cd591cd
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
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_d4227dbf
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d996d335
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_01e4a728
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_1e0c5ce0
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_520deeb8
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_6a77af0f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_e0cf29e2
Create hunting rule
Author:Elastic Security
Rule name:myMirai
Create hunting rule
Description:Mirai
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

Gafgyt

elf e23938de3bd8bb2316b841be31b178760c044d04e5416ae10451843d048e157b

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2713378/
  
Delivery method
Distributed via web download

Comments