MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fef441db860d628274d9837025088ef73dc7c7dfd6ff7d2272b2cbbb6a01d3bf. 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



Mirai


Vendor detections: 12


Intelligence 12 IOCs YARA 11 File information Comments

SHA256 hash: fef441db860d628274d9837025088ef73dc7c7dfd6ff7d2272b2cbbb6a01d3bf
SHA3-384 hash: 41214d2e60b45613f557efa4db3df4078b14da731a10c3a4e5bd2c79c74ed95fcae9beeffe29537410c4ca45bef1d4e5
SHA1 hash: 8d4c27a8777c593f11e637b871adc450a72a4f08
MD5 hash: 4b0d82170805dcfeffbd36a4d763f3e4
humanhash: xray-artist-mountain-quiet
File name:x86_64
Download: download sample
Signature Mirai
File size:299'328 bytes
First seen:2026-02-05 07:18:21 UTC
Last seen:2026-02-05 08:26:41 UTC
File type: elf
MIME type:application/x-sharedlib
ssdeep 6144:5jyjVJSb1ydMbTKOev9DPbFArVPS1jc+vcD4O:5ySbUsGv9bbCrVPsg+vcD4O
TLSH T1E2543A2EEA6090AEFC53D5B867EA81A1B330F8F44320B51F33656B352F65B544B1D287
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 mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 0a2c5c89de3bf14a6486af7018fe53da2ec6e23ef3eef464908808d9d5f4f904
File size (compressed) :120'404 bytes
File size (de-compressed) :299'328 bytes
Format:linux/amd64
Packed file: 0a2c5c89de3bf14a6486af7018fe53da2ec6e23ef3eef464908808d9d5f4f904

Intelligence


File Origin
# of uploads :
2
# of downloads :
79
Origin country :
NL NL
Vendor Threat Intelligence
No detections
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
gafgyt gcc getshell
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
151
Number of processes launched:
85
Processes remaning?
true
Remote TCP ports scanned:
not identified
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2026-02-05T05:30:00Z UTC
Last seen:
2026-02-06T18:12:00Z UTC
Hits:
~10
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad.mine
Score:
60 / 100
Signature
Contains symbols with names commonly found in malware
Multi AV Scanner detection for submitted file
Stdout / stderr contain strings indicative of a mining client
Terminates several processes with shell command 'killall'
Behaviour
Behavior Graph:
Threat name:
Linux.Trojan.Gafgyt
Status:
Malicious
First seen:
2026-02-05 07:19:27 UTC
File Type:
ELF64 Little (SO)
AV detection:
9 of 24 (37.50%)
Threat level:
  5/5
Result
Malware family:
xmrig_linux
Score:
  10/10
Tags:
family:xmrig_linux defense_evasion discovery linux miner
Behaviour
Reads runtime system information
System Network Configuration Discovery
Writes file to shm directory
Changes its process name
Enumerates running processes
Deletes itself
Executes dropped EXE
Flushes firewall rules
Xmrig_linux family
xmrig
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_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DetectEncryptedVariants
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:ELF_IoT_Persistence_Hunt
Author:4r4
Description:Hunts for ELF files with persistence and download capabilities
Rule name:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:elf_persirai_w0
Author:Tim Yeh
Description:Detects Persirai Botnet Malware
Reference:Internal Research
Rule name:enterpriseapps2
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:iot_req_metachar
Rule name:RANSOMWARE
Author:ToroGuitar
Rule name:setsockopt
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:testlumma
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

Mirai

elf fef441db860d628274d9837025088ef73dc7c7dfd6ff7d2272b2cbbb6a01d3bf

(this sample)

  
Delivery method
Distributed via web download

Comments