MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f287fffc423218ef1eb755cfaf87151a71223f540a5527b52c11940f6d97590b. 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: 5


Intelligence 5 IOCs YARA 3 File information Comments

SHA256 hash: f287fffc423218ef1eb755cfaf87151a71223f540a5527b52c11940f6d97590b
SHA3-384 hash: 0568753bc274b4275de57ce524e218598c589e74d09e40e31cd9ce2d9bc881c6379e6a5d386d4cddecd02ce42a0ca508
SHA1 hash: a50c24eb1c5a4d9205a17bc22b18d9b31fd5cc61
MD5 hash: f3e81190f1934e5ab3dd0b7b5b5d1605
humanhash: washington-berlin-william-autumn
File name:armv7l-20230707-1403
Download: download sample
Signature Gafgyt
File size:170'412 bytes
First seen:2023-07-07 14:03:07 UTC
Last seen:2023-07-07 14:03:17 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:MgT5bxXXyi5a1lvclFE+8qB7k6OGy2fH7k0YM/9zcuAE+:n5b5/5a1lvclFIqBRHfH7kvM/9zEP
TLSH T1B4F31AC6EA417E37C2C26BB6FADBC24533A38B14D397230594585FF02F4BA9D0E16619
telfhash t11421318664f689196bb69d24ddfc97b34651132723481f705f3ec4cc592b092eb39c8a
Reporter elfdigest
Tags:gafgyt

Intelligence


File Origin
# of uploads :
2
# of downloads :
96
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
lolbin remote
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
5.181.80.102
Number of open files:
142
Number of processes launched:
80
Processes remaning?
false
Remote TCP ports scanned:
22,5555
Behaviour
Persistence
Firewall Changes
Information Gathering
Kernel Modules
Botnet C2s
TCP botnet C2(s):
140.238.91.131:80
UDP botnet C2(s):
not identified
Result
Verdict:
UNKNOWN
Threat name:
Linux.Trojan.Gafgyt
Status:
Malicious
First seen:
2023-07-07 14:04:04 UTC
File Type:
ELF32 Little (Exe)
AV detection:
10 of 38 (26.32%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery persistence
Behaviour
Reads runtime system information
Writes file to tmp directory
Reads system network configuration
Modifies Bash startup script
Creates/modifies Cron job
Creates/modifies environment variables
Enumerates active TCP sockets
Enumerates running processes
Modifies init.d
Modifies rc script
Writes file to system bin folder
Deletes itself
Modifies Watchdog functionality
Modifies password files for system users/ groups
Contacts a large (163860) amount of remote hosts
Creates a large amount of network flows
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:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
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

File information


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

Web download

Gafgyt

elf f287fffc423218ef1eb755cfaf87151a71223f540a5527b52c11940f6d97590b

(this sample)

  
Delivery method
Distributed via web download

Comments