MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 42aea37337e2b2cc306bf363b15f7f7cf962b87db3b4d4449d7e13e31d8f434e. 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 4 File information Comments

SHA256 hash: 42aea37337e2b2cc306bf363b15f7f7cf962b87db3b4d4449d7e13e31d8f434e
SHA3-384 hash: 270c15622f87f05f16cceeaf98c32e98a596f0ba62bbaa50bd68dc4cadb7331e06ed24521736840adef37686f76b790b
SHA1 hash: a8e92bcfc260b621e9082c3f81e70b77818a764a
MD5 hash: 4570ca69830b236cf348c1fa075adbb8
humanhash: nebraska-chicken-sixteen-mirror
File name:narmv5l
Download: download sample
Signature Gafgyt
File size:222'392 bytes
First seen:2025-09-01 23:52:25 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:QPSUInovB192YWpCyahzLqR/1xek5oSolkB4ekRjGhBfFUXokytveXF2U:QPLKKhHqR/1xFuTS9kRShBPMX
TLSH T104244B45BDC08611C5F3597BB90D42EE33165BB8D7EB3321EC701B28A7D7A1A4E3AA05
Magika elf
Reporter abuse_ch
Tags:elf gafgyt

Intelligence


File Origin
# of uploads :
1
# of downloads :
57
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Creating a file
Sends data to a server
Connection attempt
Receives data from a server
DNS request
Substitutes an application name
Performs a bruteforce attack in the network
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated rust
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
true
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
8
Number of processes launched:
5
Processes remaning?
true
Remote TCP ports scanned:
23
Behaviour
Anti-VM
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-09-01T20:59:00Z UTC
Last seen:
2025-09-01T20:59:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.gen HEUR:Backdoor.Linux.Mirai.bx
Status:
terminated
Behavior Graph:
%3 guuid=2ca8d265-1900-0000-c609-b59865140000 pid=5221 /usr/bin/sudo guuid=6e567668-1900-0000-c609-b59866140000 pid=5222 /tmp/sample.bin guuid=2ca8d265-1900-0000-c609-b59865140000 pid=5221->guuid=6e567668-1900-0000-c609-b59866140000 pid=5222 execve
Result
Threat name:
n/a
Detection:
malicious
Classification:
spyw
Score:
60 / 100
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Opens /sys/class/net/* files useful for querying network interface information
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1769143 Sample: narmv5l.elf Startdate: 02/09/2025 Architecture: LINUX Score: 60 18 Antivirus / Scanner detection for submitted sample 2->18 20 Multi AV Scanner detection for submitted file 2->20 7 narmv5l.elf 2->7         started        9 dash rm 2->9         started        11 dash rm 2->11         started        process3 process4 13 narmv5l.elf 7->13         started        signatures5 22 Opens /sys/class/net/* files useful for querying network interface information 13->22 16 narmv5l.elf 13->16         started        process6
Threat name:
Linux.Backdoor.Gafgyt
Status:
Malicious
First seen:
2025-09-01 23:53:39 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  9/10
Tags:
defense_evasion discovery
Behaviour
Enumerates kernel/hardware configuration
Reads runtime system information
Changes its process name
Reads MAC address of network interface
Reads network interface configuration
Renames itself
Contacts a large (1218073) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
Unix.Trojan.Gafgyt-6981160-0
YARA:
n/a
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:CP_AllMal_Detector
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:enterpriseapps2
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
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 42aea37337e2b2cc306bf363b15f7f7cf962b87db3b4d4449d7e13e31d8f434e

(this sample)

  
Delivery method
Distributed via web download

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