MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3c521d6db959df9f9ebc3dea91ec2fe68e6f5dd6865ca53c1db77ce845fe86f5. 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 26 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3c521d6db959df9f9ebc3dea91ec2fe68e6f5dd6865ca53c1db77ce845fe86f5
SHA3-384 hash: da43e20623c23ca17ecefbeeec5b580d59ca82849e0a56787e5661dc10f84d1e824f7cd77575e4518750498c48ebd5d4
SHA1 hash: c16a265df3db67983347db1b8901d1641d160bf9
MD5 hash: 76c39b6633e348da50f7176cdefb06c8
humanhash: sad-failed-cold-winner
File name:76c39b6633e348da50f7176cdefb06c8
Download: download sample
Signature Gafgyt
Create hunting rule
File size:108'742 bytes
First seen:2024-03-03 13:04:21 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:ccnzWCtPo/2xiKw/SE0Oe+MphaGh5DtjoKty8wdOM:Pi/DKw/J/MphaGh5DtjoKty8wdOM
TLSH T11BB35B276151C5FAC48346B037CFA6D16823F9FE0B62718737E87E682F228C99D59B44
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:64 elf gafgyt

Intelligence

File Origin
# of uploads :
1
# of downloads :
292
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.Dropper.Mirai-7136029-0
Create hunting rule

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

Unix.Dropper.Mirai-7540662-0
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/65e4758395e2f0fb7a8a85c5/reports/ccb86d18-95a7-4002-ba33-09b61bf9a7a1/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/3c521d6db959df9f9ebc3dea91ec2fe68e6f5dd6865ca53c1db77ce845fe86f5
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
type:Gafgyt 94.156.64.143:9821
UDP botnet C2(s):
not identified
Result
Verdict:
MALICIOUS
Malware family:
Gafgyt
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/be631273-17e1-4a02-968e-50ae0ad1b163
Result
Threat name:
Mirai, Gafgyt
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1402150
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: 1402150 Sample: 45t5ftexOj.elf Startdate: 03/03/2024 Architecture: LINUX Score: 100 66 94.156.64.143, 47450, 9821 TERASYST-ASBG Bulgaria 2->66 68 Snort IDS alert for network traffic 2->68 70 Malicious sample detected (through community Yara rule) 2->70 72 Antivirus / Scanner detection for submitted sample 2->72 74 5 other signatures 2->74 12 45t5ftexOj.elf 2->12         started        signatures3 process4 signatures5 82 Opens /proc/net/* files useful for finding connected devices and routers 12->82 84 Sample deletes itself 12->84 15 45t5ftexOj.elf 12->15         started        process6 process7 17 45t5ftexOj.elf 15->17         started        process8 19 45t5ftexOj.elf sh 17->19         started        21 45t5ftexOj.elf sh 17->21         started        23 45t5ftexOj.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 76 Tries to stop the "iptables" service 27->76 42 service 27->42         started        44 service basename 27->44         started        46 service basename 27->46         started        48 service systemctl 27->48         started        78 Deletes security-related log files 30->78 80 Deletes all firewall rules 32->80 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/3c521d6db959df9f9ebc3dea91ec2fe68e6f5dd6865ca53c1db77ce845fe86f5
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3c521d6db959df9f9ebc3dea91ec2fe68e6f5dd6865ca53c1db77ce845fe86f5/
Threat name:
Linux.Network.LightAidra
Create hunting rule
Status:
Malicious
First seen:
2024-03-03 09:10:09 UTC
File Type:
ELF64 Little (Exe)
AV detection:
20 of 24 (83.33%)
Threat level:
  3/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hrjb23nzlhpz7hv4hxvjd3bp42hg6xowqzokkpa5w56oqrp6q32q._file
Result
Malware family:
gafgyt
Create hunting rule
Score:
  10/10
Tags:
family:gafgyt evasion infostealer linux
Link:
https://tria.ge/reports/240303-qbhaaabd76/
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
Changes its process name
Deletes Audit logs
Deletes itself
Deletes journal logs
Deletes system logs
Flushes firewall rules
Reads EFI boot settings
Writes DNS configuration
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:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/3c521d6db959df9f9ebc3dea91ec2fe68e6f5dd6865ca53c1db77ce845fe86f5

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_09c3070e
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_0cd591cd
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_148b91a2
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_32eb0c81
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_779e142f
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_a0a4de11
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_a33a8363
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_a6a2adb9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_cf84c9f2
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:Linux_Trojan_Gafgyt_dd0d6173
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_f3d83a74
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_3fe3c668
Create hunting rule
Author:Elastic Security
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 3c521d6db959df9f9ebc3dea91ec2fe68e6f5dd6865ca53c1db77ce845fe86f5

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2774959/

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


Avatar
zbet commented on 2024-03-03 13:04:22 UTC

url : hxxp://94.156.64.143/.ivn.x86