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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 43fcee5bf45748de9cced8d92f778bf7530ea0abaa7fab4f4445b7799a31853e. 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: 7


Intelligence 7 IOCs YARA 10 File information Comments

SHA256 hash: 43fcee5bf45748de9cced8d92f778bf7530ea0abaa7fab4f4445b7799a31853e
SHA3-384 hash: cf672c1b70f78e5c84eb12905cbbb6753150c8a3c124a88f2ce1ef4431c4ac58ea8f11e3e958b3a52f494a5623ab0238
SHA1 hash: de2af582dca54780cb92fcda3c18f0e71f9066ee
MD5 hash: 34b8de9af25351c80d4c5d2f72c0f2e8
humanhash: enemy-lemon-island-three
File name:43fcee5bf45748de9cced8d92f778bf7530ea0abaa7fab4f4445b7799a31853e.elf
Download: download sample
Signature Mirai
File size:374'056 bytes
First seen:2026-09-01 16:47:34 UTC
Last seen:2026-09-02 11:01:05 UTC
File type: elf
MIME type:application/x-sharedlib
ssdeep 6144:TRYN8CLrmtJaPc/3ztwVwVDtYDOxj7g8IhtweTuIBAe98a9lJ:KNWtJaoaiDawUDueSa9lJ
TLSH T15E84E988E1F1E7DED1D4EA75B31978093A230736A1D73146A51AFE3323EB1490AFD921
telfhash t138f02754dc28027ce141b078e027b5364a1e70bc3f0164888ac5b46e6e475e2a0d1f13
Magika elf
Reporter whack_sh
Tags:elf exe mirai whack.sh

Intelligence


File Origin
# of uploads :
3
# of downloads :
140
Origin country :
US US
Vendor Threat Intelligence
No detections
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Creating a file in the %temp% subdirectories
Sets a written file as executable
Creates or modifies symbolic links
Creating a file in the %temp% directory
Receives data from a server
Manages services
Collects information on the CPU
Creates directories
DNS request
Kills processes
Changes access rights for a written file
Creating a file
Opens a port
Changes the time when the file was created, accessed, or modified
Launching a process
Runs as daemon
Sends data to a server
Creates or modifies files in /cron to set up autorun
Substitutes an application name
Writes files to system directory
Traces processes
Creates or modifies files to set up autorun
Creates or modifies files in /init.d to set up autorun
Creates or modifies symbolic links in /init.d to set up autorun
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-09-01T14:29:00Z UTC
Last seen:
2026-09-02T02:58:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=fcdc46b6-1c00-0000-2cb3-7cf0ee080000 pid=2286 /usr/bin/sudo guuid=19adf2b9-1c00-0000-2cb3-7cf0f1080000 pid=2289 /tmp/sample.bin guuid=fcdc46b6-1c00-0000-2cb3-7cf0ee080000 pid=2286->guuid=19adf2b9-1c00-0000-2cb3-7cf0f1080000 pid=2289 execve
Threat name:
Linux.Exploit.DirtyFrag
Status:
Malicious
First seen:
2026-09-01 16:48:31 UTC
File Type:
ELF32 Little (SO)
AV detection:
9 of 36 (25.00%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
antivm defense_evasion discovery execution persistence privilege_escalation
Behaviour
Reads runtime system information
Writes file to shm directory
Writes file to tmp directory
Changes its process name
Checks CPU configuration
Creates a desktop entry file
Modifies Bash startup script
Creates/modifies Cron job
Creates/modifies environment variables
Deletes log files
Modifies init.d
Modifies rc script
Modifies systemd
Write file to user bin folder
Writes file to system bin folder
Executes dropped EXE
Modifies Watchdog functionality
Traces itself
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:elf_arm_mips_ko_so
Rule name:ELF_IoT_Persistence_Hunt
Author:4r4
Description:Hunts for ELF files with persistence and download capabilities
Rule name:enterpriseapps2
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:EXPL_HKTL_LNX_DirtyFragShellcode_May26
Author:Pezier Pierre-Henri (Nextron Systems)
Description:Detects a shellcode observed in dirtyfrag, a local privilege escalation exploit for Linux.
Reference:https://github.com/V4bel/dirtyfrag/tree/master
Rule name:EXPL_LNX_DirtyFrag_ForensicArtefacts_May26
Author:Florian Roth
Description:Detects DirtyFrag exploit code POC usage in Linux environments
Reference:https://github.com/V4bel/dirtyfrag/tree/master
Rule name:RANSOMWARE
Author:ToroGuitar
Rule name:setsockopt
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:SHA512_Constants
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
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 43fcee5bf45748de9cced8d92f778bf7530ea0abaa7fab4f4445b7799a31853e

(this sample)

  
Delivery method
Distributed via web download

Comments