MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 20b0b9ea77feff421905625d121b21257c5431f49ba2b6411787c8d7984dedf8. 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: 12


Intelligence 12 IOCs YARA 12 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 20b0b9ea77feff421905625d121b21257c5431f49ba2b6411787c8d7984dedf8
SHA3-384 hash: 6c8ff8d9b43c2bb51b38dd685e46b65919685fd562f15e88a5f9bcdc84ea8ad41d37371b7a30b7d54f806a678fd11df2
SHA1 hash: b53efd608705c2376df57ebde3fb3a2d56ac6c3e
MD5 hash: e166087b14bdb4f0595b8d3fa6c1ccf0
humanhash: winter-cup-cat-freddie
File name:e166087b14bdb4f0595b8d3fa6c1ccf0
Download: download sample
Signature Gafgyt
Create hunting rule
File size:96'131 bytes
First seen:2024-03-03 12:58:03 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:yY39lMYalPi3ODYvPKyWQ6nRlEwscCnMCYeZALe5hdpxrl+bPM37K8PN2UrYe:J9JalPFEPetnRpsJMCYeYe5hdUbE37KQ
TLSH T15E931949D103C7B3C4430AB151DF5A8A1722FA664AEF49A6B71B3FB49B13AF53106F90
telfhash t19f21f343a1b68a296fb39d645c7c46e116a1a62377407fb0ef1dc1849d37012b43dd8b
TrID 50.1% (.) ELF Executable and Linkable format (Linux) (4022/12)
49.8% (.O) ELF Executable and Linkable format (generic) (4000/1)
Reporter zbetcheckin
Tags:32 elf gafgyt intel

Intelligence

File Origin
# of uploads :
1
# of downloads :
265
Origin country :
FR FR
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

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

Unix.Trojan.Gafgyt-6981156-0
Create hunting rule

Unix.Dropper.Mirai-7136029-0
Create hunting rule

Unix.Dropper.Mirai-7139229-0
Create hunting rule

Unix.Trojan.Gafgyt-9809564-0
Create hunting rule

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

Result
Verdict:
Malware
Maliciousness:

Behaviour
Removes directories from a temporary directory
Removes directories
Deletes a file
Removes directories from a subdirectory of a temporary directory
Sends data to a server
Connection attempt
Launching a process
Substitutes an application name
Deleting of the original file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug gafgyt lolbin phishing remote
Link:
https://www.filescan.io/uploads/65e4741606b24253d235b0cf/reports/30ae1842-35e4-441f-99d9-4173f61151df/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
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/20b0b9ea77feff421905625d121b21257c5431f49ba2b6411787c8d7984dedf8
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/e9c82a07-5c9f-4429-9742-7b69caa1aa11
Result
Threat name:
Mirai, Gafgyt
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1402124
Signature
Antivirus / Scanner detection for submitted sample
Deletes all firewall rules
Deletes security-related log files
Detected Mirai
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Opens /proc/net/* files useful for finding connected devices and routers
Sample deletes itself
Snort IDS alert for network traffic
Tries to stop the "iptables" service
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1402124 Sample: 988jUtgwIB.elf Startdate: 03/03/2024 Architecture: LINUX Score: 100 66 94.156.64.143, 47454, 9821 TERASYST-ASBG Bulgaria 2->66 68 185.125.190.26, 443 CANONICAL-ASGB United Kingdom 2->68 70 Snort IDS alert for network traffic 2->70 72 Malicious sample detected (through community Yara rule) 2->72 74 Antivirus / Scanner detection for submitted sample 2->74 76 5 other signatures 2->76 12 988jUtgwIB.elf 2->12         started        signatures3 process4 signatures5 84 Opens /proc/net/* files useful for finding connected devices and routers 12->84 86 Sample deletes itself 12->86 15 988jUtgwIB.elf 12->15         started        process6 process7 17 988jUtgwIB.elf 15->17         started        process8 19 988jUtgwIB.elf sh 17->19         started        21 988jUtgwIB.elf sh 17->21         started        23 988jUtgwIB.elf sh 17->23         started        25 10 other processes 17->25 process9 27 sh service systemctl 19->27         started        30 sh rm 21->30         started        32 sh iptables 23->32         started        34 sh service systemctl 25->34         started        36 sh rm 25->36         started        38 sh rm 25->38         started        40 7 other processes 25->40 signatures10 78 Tries to stop the "iptables" service 27->78 42 service 27->42         started        44 service basename 27->44         started        46 service basename 27->46         started        48 service systemctl 27->48         started        80 Deletes security-related log files 30->80 82 Deletes all firewall rules 32->82 50 service 34->50         started        52 service basename 34->52         started        54 service basename 34->54         started        56 service systemctl 34->56         started        process11 process12 58 service systemctl 42->58         started        60 service sed 42->60         started        62 service systemctl 50->62         started        64 service sed 50->64         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/20b0b9ea77feff421905625d121b21257c5431f49ba2b6411787c8d7984dedf8
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/20b0b9ea77feff421905625d121b21257c5431f49ba2b6411787c8d7984dedf8/
Threat name:
Linux.Network.LightAidra
Create hunting rule
Status:
Malicious
First seen:
2024-03-03 09:40:59 UTC
File Type:
ELF32 Little (Exe)
AV detection:
20 of 24 (83.33%)
Threat level:
  3/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ecylt2tx737uegifmjoregzbev6fimputorlmqixq7enpgcn5x4a._file
Result
Malware family:
gafgyt
Create hunting rule
Score:
  10/10
Tags:
family:gafgyt evasion infostealer linux
Link:
https://tria.ge/reports/240303-p7jbsaag8x/
Behaviour
Enumerates kernel/hardware configuration
Reads runtime system information
Reads system network configuration
Deletes log files
Enumerates running processes
Reads CPU attributes
Reads system routing table
Deletes itself
Deletes journal logs
Deletes system logs
Flushes firewall rules
Reads EFI boot settings
Writes DNS configuration
Changes its process name
Deletes Audit logs
Malware Config
C2 Extraction:
94.156.64.143:9821
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
BASHLITE
Score:
0.80
Link:
https://yomi.yoroi.company/submissions/20b0b9ea77feff421905625d121b21257c5431f49ba2b6411787c8d7984dedf8

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:elf_bashlite_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects elf.bashlite.
Rule name:Linux_Gafgyt_Generic_A
Create hunting rule
Author:albertzsigovits
Description:Generic Approach to Mirai/Gafgyt samples
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_1b2e2a3a
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_6122acdf
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_9127f7be
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: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

Gafgyt

elf 20b0b9ea77feff421905625d121b21257c5431f49ba2b6411787c8d7984dedf8

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2774960/

Comments


Avatar
zbet commented on 2024-03-03 12:58:04 UTC

url : hxxp://94.156.64.143/.ivn.i686