MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f81f1845c2231c275a33c0460fe28456b9d1cfbfa7b52dfc87bb00959a5a1b5e. 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: 12


Intelligence 12 IOCs YARA 29 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f81f1845c2231c275a33c0460fe28456b9d1cfbfa7b52dfc87bb00959a5a1b5e
SHA3-384 hash: e35d3ee962fb2fb007e85e21745c31c3ababffb9bec6fb1487b1c4302082d1b3aeb4ed2b8f7502e973080f0647f9a6c0
SHA1 hash: b7316d1cb39093406087b980f5835471a4ce5a0e
MD5 hash: bfd9a98525f714cd2ad744ccbe6b8f65
humanhash: hydrogen-spaghetti-tennessee-connecticut
File name:bash
Download: download sample
Signature Gafgyt
Create hunting rule
File size:143'460 bytes
First seen:2024-03-18 09:24:28 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:L1grBvfROBNGYAXXpETbZcutJ8adPF4KQTjs3/CijebvfcivGmS+Qk:eOLSX5YmutJ8adPF4f4Rebvfci+mS+Qk
TLSH T1EAE36C2B75C18CF6C00286B126DB63549523FE7F0AB62147B7947DA0BF398C94E69BC1
telfhash t14e21ed03a5ba895c1ff359249cbc47a416a266237261be70af5ec1809c37002f979e8f
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 :
125
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.30395.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.30434.LC.UNOFFICIAL
Create hunting rule

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

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

Unix.Trojan.Gafgyt-6981165-0
Create hunting rule

Unix.Trojan.Mirai-6981169-0
Create hunting rule

Unix.Dropper.Mirai-7135935-0
Create hunting rule

Unix.Dropper.Mirai-7135940-0
Create hunting rule

Unix.Dropper.Mirai-7135945-0
Create hunting rule

Unix.Dropper.Mirai-7135968-0
Create hunting rule

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

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

Unix.Dropper.Mirai-7139223-0
Create hunting rule

Unix.Dropper.Mirai-7540662-0
Create hunting rule

Unix.Dropper.Gafgyt-9762292-0
Create hunting rule

Unix.Trojan.Gafgyt-9762295-0
Create hunting rule

Unix.Trojan.Mirai-9864781-0
Create hunting rule

Unix.Trojan.Gafgyt-9875945-0
Create hunting rule

Unix.Trojan.Gafgyt-9879277-0
Create hunting rule

Unix.Trojan.Gafgyt-9886589-0
Create hunting rule

Unix.Trojan.Gafgyt-9889131-0
Create hunting rule

Unix.Trojan.Gafgyt-9910205-0
Create hunting rule

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

Result
Verdict:
Malware
Maliciousness:

Behaviour
Receives data from a server
Runs as daemon
Sends data to a server
Connection attempt
Substitutes an application name
Verdict:
Malicious
Threat level:
  10/10
Confidence:
91%
Tags:
anti-debug lolbin phishing remote
Link:
https://www.filescan.io/uploads/65f80877757c624818b21492/reports/20692c53-c52a-44af-9c73-88e882a6f173/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
103.173.255.143
Number of open files:
3
Number of processes launched:
3
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/f81f1845c2231c275a33c0460fe28456b9d1cfbfa7b52dfc87bb00959a5a1b5e
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
type:Gafgyt 103.173.255.143:23
UDP botnet C2(s):
not identified
Result
Verdict:
MALICIOUS
Malware family:
Gafgyt
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/08567bc6-eafe-4c5a-9c8e-788a6a729235
Result
Threat name:
Gafgyt, Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1410758
Signature
Antivirus / Scanner detection for submitted sample
Found malware configuration
Machine Learning detection for sample
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
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/f81f1845c2231c275a33c0460fe28456b9d1cfbfa7b52dfc87bb00959a5a1b5e
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f81f1845c2231c275a33c0460fe28456b9d1cfbfa7b52dfc87bb00959a5a1b5e/
Threat name:
Linux.Trojan.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2024-03-18 09:25:06 UTC
File Type:
ELF64 Little (Exe)
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7aprqrocemocowrtybda7yuek245dt57u62s37ehxmajlgs2dnpa._file
Result
Malware family:
gafgyt
Create hunting rule
Score:
  10/10
Tags:
family:gafgyt linux
Link:
https://tria.ge/reports/240318-ldly2aea8s/
Behaviour
Reads system network configuration
Reads system routing table
Changes its process name
Malware Config
C2 Extraction:
103.173.255.143:23
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/f81f1845c2231c275a33c0460fe28456b9d1cfbfa7b52dfc87bb00959a5a1b5e

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_A
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_0cd591cd
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_148b91a2
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_31796a40
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_32eb0c81
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_33b4111a
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_620087b9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_656bf077
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_779e142f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_807911a2
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_821173df
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_a33a8363
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_d0c57a2e
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_e0673a90
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_f3d83a74
Create hunting rule
Author:Elastic Security
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
Rule name:yara_template
Create hunting rule

File information

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

Web download

Gafgyt

elf f81f1845c2231c275a33c0460fe28456b9d1cfbfa7b52dfc87bb00959a5a1b5e

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2785784/
  
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