MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 76a75091cca4fb6fdcd7be35483b87a410018fdee0b7b18f67e6be47d398bb8d. 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 22 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 76a75091cca4fb6fdcd7be35483b87a410018fdee0b7b18f67e6be47d398bb8d
SHA3-384 hash: 82ea7bc71cd32237d04c042713862634d5b587c1b916aa22019dae829f7383263c99a286d4bb7b855cc8decdde0ff6d0
SHA1 hash: e53ecfa568b879977976364727289b0285326ebb
MD5 hash: ea003cf922531d3f9a287f0d6ade6f63
humanhash: vermont-spaghetti-cold-angel
File name:x86
Download: download sample
Signature Gafgyt
Create hunting rule
File size:130'673 bytes
First seen:2025-05-13 20:03:54 UTC
Last seen:2025-06-10 02:14:08 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:3XPSvkp29g9zZHlSNCtVmMtH9n3U4BkX0qmIhPBHwqW:qvkpr96MHcfmIhPhwqW
TLSH T11AD32907E7B0C8BAC04766711BDFA6A19163FCBD1B71212B63817EA41F388959F5A343
telfhash t19921fe46a1fa86285eb76820adbc4bb5085217137652bf716f09c5c01c7b003a93addb
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 :
2
# of downloads :
129
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.29052.TSource.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Siggen.2205.UNOFFICIAL
Create hunting rule

Unix.Trojan.Gafgyt-6981154-0
Create hunting rule

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

Unix.Dropper.Mirai-7138857-0
Create hunting rule

Verdict:
Malicious
Score:
93.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6823a7084a59e5a2ce0455ablinux22vpnfull_triage
Tags:
bashlite gafgyt mirai
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Gains root access
Substitutes an application name
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
gcc lolbin remote
Link:
https://www.filescan.io/uploads/6823a5cc8bd61140fb6eae91/reports/8626fb66-0ef6-4ed3-9226-891996ccf6ae/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
185.112.83.129
Number of open files:
0
Number of processes launched:
12
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/76a75091cca4fb6fdcd7be35483b87a410018fdee0b7b18f67e6be47d398bb8d
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Malware family:
Gafgyt
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/370cda8c-b5ab-48b1-9038-d7bc04b38dbb
Result
Threat name:
Gafgyt, Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1689382
Signature
Antivirus / Scanner detection for submitted sample
Found malware configuration
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1689382 Sample: x86.elf Startdate: 13/05/2025 Architecture: LINUX Score: 96 39 5.252.177.70, 23 MIVOCLOUDMD Moldova Republic of 2->39 41 109.202.202.202, 80 INIT7CH Switzerland 2->41 43 3 other IPs or domains 2->43 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 Antivirus / Scanner detection for submitted sample 2->49 51 3 other signatures 2->51 15 x86.elf 2->15         started        17 dash rm 2->17         started        19 dash rm 2->19         started        signatures3 process4 process5 21 x86.elf 15->21         started        process6 23 x86.elf 21->23         started        process7 25 x86.elf 23->25         started        process8 27 x86.elf 25->27         started        process9 29 x86.elf 27->29         started        process10 31 x86.elf 29->31         started        process11 33 x86.elf 31->33         started        process12 35 x86.elf 33->35         started        process13 37 x86.elf 35->37         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/76a75091cca4fb6fdcd7be35483b87a410018fdee0b7b18f67e6be47d398bb8d
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/76a75091cca4fb6fdcd7be35483b87a410018fdee0b7b18f67e6be47d398bb8d/
Threat name:
Linux.Trojan.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2025-05-13 20:04:34 UTC
File Type:
ELF64 Little (Exe)
AV detection:
25 of 36 (69.44%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=o2tvbeomut5w7xgxxy2uqo4huqiadd664c33dd3h427epu4yxogq._file
Result
Malware family:
gafgyt
Create hunting rule
Score:
  10/10
Tags:
family:gafgyt linux
Link:
https://tria.ge/reports/250513-ytdntazm16/
Behaviour
Changes its process name
Malware Config
C2 Extraction:
5.252.177.70:23
Verdict:
Malicious
Tags:
trojan gafgyt Unix.Trojan.Gafgyt-6981154-0
YARA:
Linux_Trojan_Gafgyt_a6a2adb9 Linux_Trojan_Gafgyt_9e9530a7 Linux_Trojan_Gafgyt_f3d83a74 Linux_Trojan_Gafgyt_a0a4de11 Linux_Trojan_Gafgyt_d4227dbf Linux_Trojan_Gafgyt_09c3070e Linux_Trojan_Gafgyt_46eec778 Linux_Trojan_Gafgyt_d996d335 Linux_Trojan_Gafgyt_620087b9 Linux_Trojan_Gafgyt_dd0d6173 Linux_Trojan_Gafgyt_779e142f Linux_Trojan_Gafgyt_cf84c9f2 Linux_Trojan_Gafgyt_859042a0 Linux_Trojan_Gafgyt_33b4111a Linux_Trojan_Gafgyt_862c4e0e elf_bashlite_auto
Link:
https://app.threat.zone/submission/6076cc8e-463c-428d-87bf-fa010c8dc1aa
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_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_09c3070e
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_33b4111a
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_46eec778
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_859042a0
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_862c4e0e
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_a6a2adb9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_cf84c9f2
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: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:RANSOMWARE
Create hunting rule
Author:ToroGuitar
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 76a75091cca4fb6fdcd7be35483b87a410018fdee0b7b18f67e6be47d398bb8d

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3542892/
  
Delivery method
Distributed via web download

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