MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 40daa2c4d7f3ba11e68e86199ed232db2d71335aae47e7d2f79b1ded3ff2dbe3. 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: 14


Intelligence 14 IOCs YARA 15 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 40daa2c4d7f3ba11e68e86199ed232db2d71335aae47e7d2f79b1ded3ff2dbe3
SHA3-384 hash: 6b3c3f6e68225b06d5fcdc6f6339e2b58d4eb2d09a6028c466353153752d4fb867d83c87fc24de0a47d6d29fb04c3af8
SHA1 hash: 8e7d7318b49ac44aa09424e23df9b73b378a69f0
MD5 hash: e000309254156e17c6a057c0e1fe9b0d
humanhash: kitten-gee-utah-jersey
File name:wget
Download: download sample
Signature Gafgyt
Create hunting rule
File size:137'776 bytes
First seen:2025-02-17 14:52:25 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:tUokrePpgVjJWQiyxQxi3F2hMW+9m3XkcaRVgYAB:tpiePpgVjJWQi+EhMt9m3XkcaRVgYAB
TLSH T169D365D14AE2FDF2D44305B70B2B610EF336AA0F6C711EA3EA177CE555A851E2379920
telfhash t14921e44674f985685ff214249cfc57a40592662732527e70af4dc5c49c3b002f975ecf
TrID 50.1% (.) ELF Executable and Linkable format (Linux) (4022/12)
49.8% (.O) ELF Executable and Linkable format (generic) (4000/1)
Magika elf
Reporter abuse_ch
Tags:elf gafgyt

Intelligence

File Origin
# of uploads :
1
# of downloads :
81
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Unix.Trojan.Gafgyt-6981154-0
Create hunting rule

Unix.Trojan.Tsunami-6981155-0
Create hunting rule

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

Unix.Dropper.Mirai-7136072-0
Create hunting rule

Unix.Dropper.Mirai-7139232-0
Create hunting rule

Unix.Trojan.Gafgyt-7643791-0
Create hunting rule

Unix.Trojan.Mirai-5607483-0
Create hunting rule

Verdict:
Malicious
Score:
91.7%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67b34e23a0fd713c335b727flinux22vpnfull_triage
Tags:
aidra ddos
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Runs as daemon
Substitutes an application name
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
android gcc lolbin obfuscated remote
Link:
https://www.filescan.io/uploads/67b34d5e633d73336289400b/reports/a6d36447-5794-419e-a835-a03ed2e228c7/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/40daa2c4d7f3ba11e68e86199ed232db2d71335aae47e7d2f79b1ded3ff2dbe3
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/f8d2bfdf-27b0-4d7e-9344-e89690070295
Result
Threat name:
Gafgyt, Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj
Score:
92 / 100
Link:
https://www.joesandbox.com/analysis/1617186
Signature
Found malware configuration
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
Suricata IDS alerts for network traffic
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1617186 Sample: wget.elf Startdate: 17/02/2025 Architecture: LINUX Score: 92 19 84.200.154.119, 40586, 40588, 40590 ACCELERATED-ITDE Germany 2->19 21 109.202.202.202, 80 INIT7CH Switzerland 2->21 23 2 other IPs or domains 2->23 25 Suricata IDS alerts for network traffic 2->25 27 Found malware configuration 2->27 29 Malicious sample detected (through community Yara rule) 2->29 31 3 other signatures 2->31 8 wget.elf 2->8         started        11 dash rm 2->11         started        13 dash rm 2->13         started        signatures3 process4 signatures5 33 Opens /proc/net/* files useful for finding connected devices and routers 8->33 15 wget.elf 8->15         started        process6 process7 17 wget.elf 15->17         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/40daa2c4d7f3ba11e68e86199ed232db2d71335aae47e7d2f79b1ded3ff2dbe3
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/40daa2c4d7f3ba11e68e86199ed232db2d71335aae47e7d2f79b1ded3ff2dbe3/
Threat name:
Linux.Backdoor.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2025-02-16 17:15:59 UTC
File Type:
ELF32 Little (Exe)
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=idnkfrgx6o5bdzuoqymz5urs3mwxcm22vzd6puxxtmo62p7s3prq._file
Result
Malware family:
gafgyt
Create hunting rule
Score:
  10/10
Tags:
family:gafgyt linux rootkit
Link:
https://tria.ge/reports/250217-r9cm5azlhk/
Behaviour
Loads a kernel module
Malware Config
C2 Extraction:
84.200.154.119:4568
Verdict:
Malicious
Tags:
trojan gafgyt Unix.Trojan.Gafgyt-6981154-0
YARA:
Linux_Trojan_Gafgyt_83715433 Linux_Trojan_Gafgyt_6321b565 Linux_Trojan_Gafgyt_6122acdf Linux_Trojan_Gafgyt_f51c5ac3 Linux_Trojan_Gafgyt_27de1106 Linux_Trojan_Gafgyt_1b2e2a3a Linux_Trojan_Gafgyt_9127f7be Linux_Trojan_Gafgyt_fb14e81f elf_bashlite_auto
Link:
https://app.threat.zone/submission/a0a4885e-258e-4ee3-8d89-14ee4c4b0151
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/40daa2c4d7f3ba11e68e86199ed232db2d71335aae47e7d2f79b1ded3ff2dbe3

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
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_27de1106
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_6122acdf
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_6321b565
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_83715433
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_9127f7be
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_f51c5ac3
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_fb14e81f
Create hunting rule
Author:Elastic Security
Reference:0fd07e6068a721774716eb4940e2c19faef02d5bdacf3b018bf5995fa98a3a27
Rule name:Mal_LNX_Gafgyt_Botnet_ELF
Create hunting rule
Author:Phatcharadol Thangplub
Description:Use to detect Gafgyt botnet, and there variants.
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 40daa2c4d7f3ba11e68e86199ed232db2d71335aae47e7d2f79b1ded3ff2dbe3

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3443075/
  
Delivery method
Distributed via web download

Comments