MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fc8a9aebf291ddcd9a507868bf293b5c5ecf95de6b6739acd1b84e67932f9b0e. 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: 11


Intelligence 11 IOCs YARA 34 File information Comments 1

SHA256 hash: fc8a9aebf291ddcd9a507868bf293b5c5ecf95de6b6739acd1b84e67932f9b0e
SHA3-384 hash: f9ef82a86a6b424f9b972a3153154c852162f4cf48b0ee80cb5d5695f74c0b9550107547ee103a2505f8bfc39c183bcd
SHA1 hash: 0a534dea11f69910bea3ef1f53743aeb66e3badd
MD5 hash: ad5778bbe662d7d3d419f33e29eb498e
humanhash: lactose-comet-fifteen-jersey
File name:ad5778bbe662d7d3d419f33e29eb498e
Download: download sample
Signature Gafgyt
File size:196'008 bytes
First seen:2024-02-01 13:37:37 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:U5sIGxBvcedmG0JJn8Ivju71M1LFpZzUSp82btNh08GkxdT+yv3q9JWqcY9WcVn:lmGsngxS5pNTl08GIpv3q9JWqcY9WcF
TLSH T12B144A2B76D1DDFAC08356B41FDBD6A1E820F4B81B32A15B37883F592F2D9C44959322
telfhash t121519605587c4b1d2bb288285cad5fb2101aff2373293f71bf31819c893a191e43ad97
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 :
103
Origin country :
FR FR
Vendor Threat Intelligence
Verdict:
Malicious
Threat level:
  10/10
Confidence:
91%
Tags:
anti-debug anti-vm botnet lolbin mirai obfuscated remote
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
4
Number of processes launched:
17
Processes remaning?
false
Remote TCP ports scanned:
2323,23,80,81,8080,8000,8181,8081
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Verdict:
MALICIOUS
Result
Threat name:
ENEMEYBOT, Mirai
Detection:
malicious
Classification:
troj
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
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 ENEMEYBOT
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1384900 Sample: 2iEY5tK9M5.elf Startdate: 01/02/2024 Architecture: LINUX Score: 100 35 Malicious sample detected (through community Yara rule) 2->35 37 Antivirus / Scanner detection for submitted sample 2->37 39 Multi AV Scanner detection for submitted file 2->39 41 3 other signatures 2->41 9 2iEY5tK9M5.elf 2->9         started        process3 file4 33 /etc/crontab, ASCII 9->33 dropped 43 Sample tries to persist itself using cron 9->43 13 2iEY5tK9M5.elf 9->13         started        signatures5 process6 process7 15 2iEY5tK9M5.elf 13->15         started        process8 17 2iEY5tK9M5.elf 15->17         started        19 2iEY5tK9M5.elf 15->19         started        21 2iEY5tK9M5.elf 15->21         started        23 5 other processes 15->23 process9 25 2iEY5tK9M5.elf 17->25         started        27 2iEY5tK9M5.elf 17->27         started        29 2iEY5tK9M5.elf 17->29         started        31 3 other processes 17->31
Threat name:
Linux.Trojan.Gafgyt
Status:
Malicious
First seen:
2024-02-01 13:38:07 UTC
File Type:
ELF64 Little (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:enemybot family:gafgyt discovery linux persistence
Behaviour
Reads runtime system information
Creates/modifies Cron job
Modifies Watchdog functionality
Contacts a large (657080) amount of remote hosts
Creates a large amount of network flows
Malware Config
C2 Extraction:
239.255.255.250:1900
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:F01_s1ckrule
Author:s1ckb017
Rule name:iot_req_metachar
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_09c3070e
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_0cd591cd
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_148b91a2
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_32eb0c81
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_33b4111a
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_46eec778
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_620087b9
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_779e142f
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_807911a2
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_862c4e0e
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_9e9530a7
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_a0a4de11
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_a33a8363
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_a6a2adb9
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d0c57a2e
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d4227dbf
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d996d335
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_dd0d6173
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_f3d83a74
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_0bce98a2
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_3fe3c668
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_637f2c04
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_95e0056c
Author:Elastic Security
Rule name:Mirai_Botnet_Malware
Author:Florian Roth (Nextron Systems)
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:Mirai_Botnet_Malware_RID2EF6
Author:Florian Roth
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:mirai_botnet_unpack
Author:bozer
Description:Use to detect unpacked mirai, and there variants.
Rule name:Mirai_Unpack
Rule name:setsockopt
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:unixredflags3
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags
Rule name:vmdetect
Author:nex
Description:Possibly employs anti-virtualization techniques

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Gafgyt

elf fc8a9aebf291ddcd9a507868bf293b5c5ecf95de6b6739acd1b84e67932f9b0e

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2024-02-01 13:37:38 UTC

url : hxxp://37.60.227.156/S1eJ3/IObeENwjx86