MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4a4793f97f1b492d648733fbab1e560b0cd4d4e664701733a7e97d0b6042556d. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments

SHA256 hash: 4a4793f97f1b492d648733fbab1e560b0cd4d4e664701733a7e97d0b6042556d
SHA3-384 hash: 144379e576081f7fc5e03d936a23df6504ae017f75a8b892f839f5d83124eceb0bdfa7aa3e6ba540d09e557a7b92560b
SHA1 hash: cbccd42241b09bcc103a1612bdc9bebe4f356811
MD5 hash: 97253a15b0867e82703fe78ff7a2e02c
humanhash: island-seventeen-ten-carpet
File name:sora.i686
Download: download sample
Signature Mirai
File size:39'972 bytes
First seen:2026-02-15 22:16:31 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:85zGYSTbsVsuS4pYnfCKFcH5+kjqX6SN5975vRJaI3y2QawSmnbcuyD7UHQRjq:eGe6EefXFaYHV50Oylawrnouy8Hym
TLSH T18103F14C00D79218C96BF1341ADCB31647689759EB0D2398EEE331396651F5C77AC7B2
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 mirai UPX
File size (compressed) :39'972 bytes
File size (de-compressed) :97'768 bytes
Format:linux/i386
Unpacked file: b9554980b9f7d0182937d3183ddddb9d4a65e65260b6697c6a1901cf32e522fc

Intelligence


File Origin
# of uploads :
1
# of downloads :
39
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Deleting a recently created file
Runs as daemon
Receives data from a server
Opens a port
Locks files
Sends data to a server
DNS request
Creating a file in the %temp% directory
Connection attempt
Substitutes an application name
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade packed upx
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
UPX
Botnet:
unknown
Number of open files:
4
Number of processes launched:
5
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.32.le
Detections:
HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.b
Status:
terminated
Behavior Graph:
%3 guuid=5c6acf85-1b00-0000-bacc-8967970c0000 pid=3223 /usr/bin/sudo guuid=b518fb87-1b00-0000-bacc-8967990c0000 pid=3225 /tmp/sample.bin delete-file net guuid=5c6acf85-1b00-0000-bacc-8967970c0000 pid=3223->guuid=b518fb87-1b00-0000-bacc-8967990c0000 pid=3225 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=b518fb87-1b00-0000-bacc-8967990c0000 pid=3225->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=e9df1789-1b00-0000-bacc-89679c0c0000 pid=3228 /tmp/sample.bin guuid=b518fb87-1b00-0000-bacc-8967990c0000 pid=3225->guuid=e9df1789-1b00-0000-bacc-89679c0c0000 pid=3228 clone guuid=347cd0c4-1b00-0000-bacc-8967fd0c0000 pid=3325 /tmp/sample.bin guuid=b518fb87-1b00-0000-bacc-8967990c0000 pid=3225->guuid=347cd0c4-1b00-0000-bacc-8967fd0c0000 pid=3325 clone guuid=ee837c00-1c00-0000-bacc-8967820d0000 pid=3458 /tmp/sample.bin guuid=b518fb87-1b00-0000-bacc-8967990c0000 pid=3225->guuid=ee837c00-1c00-0000-bacc-8967820d0000 pid=3458 clone guuid=f0798200-1c00-0000-bacc-8967830d0000 pid=3459 /tmp/sample.bin dns net send-data zombie guuid=b518fb87-1b00-0000-bacc-8967990c0000 pid=3225->guuid=f0798200-1c00-0000-bacc-8967830d0000 pid=3459 clone guuid=f0798200-1c00-0000-bacc-8967830d0000 pid=3459->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con 4f6baed0-9587-596c-82b3-fd721afe4cc1 10.0.2.3:53 guuid=f0798200-1c00-0000-bacc-8967830d0000 pid=3459->4f6baed0-9587-596c-82b3-fd721afe4cc1 send: 2940B de5351a1-2161-595d-a53b-7b036346f95c cnc.frtewq.online:3778 guuid=f0798200-1c00-0000-bacc-8967830d0000 pid=3459->de5351a1-2161-595d-a53b-7b036346f95c send: 420B
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-02-15 23:19:25 UTC
AV detection:
21 of 38 (55.26%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet defense_evasion linux upx
Behaviour
Writes file to tmp directory
Changes its process name
Writes file to system bin folder
Modifies Watchdog functionality
Mirai
Mirai family
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:SUSP_ELF_LNX_UPX_Compressed_File
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:upx_packed_elf_v1
Author:RandomMalware

File information


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

Web download

Mirai

elf 4a4793f97f1b492d648733fbab1e560b0cd4d4e664701733a7e97d0b6042556d

(this sample)

  
Delivery method
Distributed via web download

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