MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8bfbd5faf2dd2dfb76e60c14d010fbf1bcbe980950528709ceac4edc9f003c6a. 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: 10


Intelligence 10 IOCs YARA 10 File information Comments

SHA256 hash: 8bfbd5faf2dd2dfb76e60c14d010fbf1bcbe980950528709ceac4edc9f003c6a
SHA3-384 hash: 7e53c61035f021805f9c8ba15a5de64a58678f0832cdb90cc98fa0c33a835b0df706494670a43c75289cd709800ff0e3
SHA1 hash: dc251a7d8f85c9f22dcd88cdc1db553b2414837d
MD5 hash: 8f0ef21b5de9e86fb84f39100d232d31
humanhash: oranges-fanta-carbon-echo
File name:IObeENwjarm
Download: download sample
Signature Gafgyt
File size:220'248 bytes
First seen:2024-02-01 13:00:23 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 6144:+dta8mHLmWskspb7HI+YnFavgBE6OCTI6c3m:+dta82xZAjsnwvgBE6OCTI6Wm
TLSH T122241944E954872BC3E37BFBF75943CD373A5B54A3DB322199382A7427C5B982939220
telfhash t1e4519605987c4b1d2bb248285dad5bb2101aff2373193f71bf31919c8a3a191e43ad9b
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 :
1
# of downloads :
122
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm lolbin mirai obfuscated remote
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
37.60.227.156/S1eJ3
Number of open files:
4
Number of processes launched:
16
Processes remaning?
false
Remote TCP ports scanned:
80,81,8080,8000,8181,8081,2323,23
Behaviour
Persistence
Botnet C2s
TCP botnet C2(s):
type:Gafgyt 37.60.227.156:7
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
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: 1384879 Sample: IObeENwjarm.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 2 other signatures 2->41 9 IObeENwjarm.elf 2->9         started        process3 file4 33 /etc/crontab, ASCII 9->33 dropped 43 Sample tries to persist itself using cron 9->43 13 IObeENwjarm.elf 9->13         started        signatures5 process6 process7 15 IObeENwjarm.elf 13->15         started        process8 17 IObeENwjarm.elf 15->17         started        19 IObeENwjarm.elf 15->19         started        21 IObeENwjarm.elf 15->21         started        23 5 other processes 15->23 process9 25 IObeENwjarm.elf 17->25         started        27 IObeENwjarm.elf 17->27         started        29 IObeENwjarm.elf 17->29         started        31 3 other processes 17->31
Threat name:
Linux.Trojan.Gafgyt
Status:
Malicious
First seen:
2024-02-01 13:01:04 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 23 (69.57%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:enemybot family:gafgyt discovery persistence
Behaviour
Reads runtime system information
Creates/modifies Cron job
Modifies Watchdog functionality
Contacts a large (347596) 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_Mirai_0bce98a2
Author:Elastic Security
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 8bfbd5faf2dd2dfb76e60c14d010fbf1bcbe980950528709ceac4edc9f003c6a

(this sample)

  
Delivery method
Distributed via web download

Comments