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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7acb841101d7ad95d70ec4d524f4a70c76d3f8487b8b3dd6cc37a394c2eebc3c. 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: 9


Intelligence 9 IOCs YARA 16 File information Comments

SHA256 hash: 7acb841101d7ad95d70ec4d524f4a70c76d3f8487b8b3dd6cc37a394c2eebc3c
SHA3-384 hash: 63fbd2838b456aaacde6fe645bd48adf1533bb56e43a6b8006f2d6d836db0fdcf22d3b8e49efd99389726aa6d2c9e035
SHA1 hash: 332d94fcdbf3b8b851bceaabaf3ff98580946d4b
MD5 hash: 55aa360c283ad3565fe57e196015db62
humanhash: skylark-princess-autumn-hydrogen
File name:main_x86_64
Download: download sample
Signature Mirai
File size:1'578'233 bytes
First seen:2026-10-17 07:23:45 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 24576:YxQjg7CZV70YHTLWRIznsMBNghxnwyv/O9JcfMPuWP7oelviH4hv4btiEM:zLnAMBNgPw2/Zf+uWP0elviH4hv4bt/M
TLSH T101757D49A2F2E1ECE066C034539BDE925931703561733ABB22859E733B77DA1137DB22
telfhash t1ccd1acb45afa39f0a3d9de11b351f5756d7320a566fc36b44523aed4ee80ec00c6282a
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 BlinkzSec
Tags:mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
75
Origin country :
AT AT
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a file
Creating a process from a recently created file
Opens a port
Runs as daemon
Connection attempt
Substitutes an application name
Traces processes
Writes files to system directory
Deleting of the original file
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
anti-vm base64 expand gcc lolbin
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2026-10-17T05:12:00Z UTC
Last seen:
2026-10-18T18:18:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=25c14e45-2c00-0000-4b9e-004a3e030000 pid=830 /usr/bin/sudo guuid=447fde46-2c00-0000-4b9e-004a3f030000 pid=831 memfd:kthreadd delete-file net write-file guuid=25c14e45-2c00-0000-4b9e-004a3e030000 pid=830->guuid=447fde46-2c00-0000-4b9e-004a3f030000 pid=831 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=447fde46-2c00-0000-4b9e-004a3f030000 pid=831->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=b4936ac5-2d00-0000-4b9e-004a40030000 pid=832 memfd:kthreadd delete-file write-config write-file zombie guuid=447fde46-2c00-0000-4b9e-004a3f030000 pid=831->guuid=b4936ac5-2d00-0000-4b9e-004a40030000 pid=832 clone guuid=4ccf7ec5-2d00-0000-4b9e-004a41030000 pid=833 memfd:kthreadd guuid=b4936ac5-2d00-0000-4b9e-004a40030000 pid=832->guuid=4ccf7ec5-2d00-0000-4b9e-004a41030000 pid=833 clone guuid=d5c488c5-2d00-0000-4b9e-004a42030000 pid=834 memfd:kthreadd guuid=b4936ac5-2d00-0000-4b9e-004a40030000 pid=832->guuid=d5c488c5-2d00-0000-4b9e-004a42030000 pid=834 clone guuid=b6ea98c5-2d00-0000-4b9e-004a44030000 pid=836 memfd:kthreadd guuid=b4936ac5-2d00-0000-4b9e-004a40030000 pid=832->guuid=b6ea98c5-2d00-0000-4b9e-004a44030000 pid=836 clone guuid=b4936ac5-2d00-0000-4b9e-004a40030000 pid=837 memfd:kthreadd zombie guuid=b4936ac5-2d00-0000-4b9e-004a40030000 pid=832->guuid=b4936ac5-2d00-0000-4b9e-004a40030000 pid=837 clone guuid=5c00111e-3500-0000-4b9e-004a49030000 pid=841 /usr/bin/systemctl guuid=b4936ac5-2d00-0000-4b9e-004a40030000 pid=832->guuid=5c00111e-3500-0000-4b9e-004a49030000 pid=841 execve guuid=f8397d95-3500-0000-4b9e-004a5e030000 pid=862 /usr/bin/systemctl guuid=b4936ac5-2d00-0000-4b9e-004a40030000 pid=832->guuid=f8397d95-3500-0000-4b9e-004a5e030000 pid=862 execve guuid=9ebabcaa-3600-0000-4b9e-004a75030000 pid=885 /usr/bin/systemctl guuid=b4936ac5-2d00-0000-4b9e-004a40030000 pid=832->guuid=9ebabcaa-3600-0000-4b9e-004a75030000 pid=885 execve guuid=32e12322-3700-0000-4b9e-004a11040000 pid=1041 /usr/bin/systemctl write-file guuid=b4936ac5-2d00-0000-4b9e-004a40030000 pid=832->guuid=32e12322-3700-0000-4b9e-004a11040000 pid=1041 execve guuid=71d2002e-3800-0000-4b9e-004ab1040000 pid=1201 memfd:kthreadd guuid=b4936ac5-2d00-0000-4b9e-004a40030000 pid=832->guuid=71d2002e-3800-0000-4b9e-004ab1040000 pid=1201 clone guuid=c96fb269-3800-0000-4b9e-004a17050000 pid=1303 memfd:kthreadd guuid=b4936ac5-2d00-0000-4b9e-004a40030000 pid=832->guuid=c96fb269-3800-0000-4b9e-004a17050000 pid=1303 clone guuid=08785da5-3800-0000-4b9e-004a6b050000 pid=1387 memfd:kthreadd guuid=b4936ac5-2d00-0000-4b9e-004a40030000 pid=832->guuid=08785da5-3800-0000-4b9e-004a6b050000 pid=1387 clone guuid=1e7508e1-3800-0000-4b9e-004af1050000 pid=1521 memfd:kthreadd guuid=b4936ac5-2d00-0000-4b9e-004a40030000 pid=832->guuid=1e7508e1-3800-0000-4b9e-004af1050000 pid=1521 clone guuid=f0b5b01c-3900-0000-4b9e-004a89060000 pid=1673 memfd:kthreadd guuid=b4936ac5-2d00-0000-4b9e-004a40030000 pid=832->guuid=f0b5b01c-3900-0000-4b9e-004a89060000 pid=1673 clone guuid=d3925658-3900-0000-4b9e-004aa3060000 pid=1699 memfd:kthreadd guuid=b4936ac5-2d00-0000-4b9e-004a40030000 pid=832->guuid=d3925658-3900-0000-4b9e-004aa3060000 pid=1699 clone guuid=69457e58-3900-0000-4b9e-004aa4060000 pid=1700 memfd:kthreadd guuid=b4936ac5-2d00-0000-4b9e-004a40030000 pid=832->guuid=69457e58-3900-0000-4b9e-004aa4060000 pid=1700 clone guuid=4ccf7ec5-2d00-0000-4b9e-004a41030000 pid=840 memfd:kthreadd guuid=4ccf7ec5-2d00-0000-4b9e-004a41030000 pid=833->guuid=4ccf7ec5-2d00-0000-4b9e-004a41030000 pid=840 clone guuid=82808dc5-2d00-0000-4b9e-004a43030000 pid=835 memfd:kthreadd zombie guuid=d5c488c5-2d00-0000-4b9e-004a42030000 pid=834->guuid=82808dc5-2d00-0000-4b9e-004a43030000 pid=835 clone guuid=82808dc5-2d00-0000-4b9e-004a43030000 pid=838 memfd:kthreadd zombie guuid=82808dc5-2d00-0000-4b9e-004a43030000 pid=835->guuid=82808dc5-2d00-0000-4b9e-004a43030000 pid=838 clone guuid=e6ddbac5-2d00-0000-4b9e-004a47030000 pid=839 memfd:kthreadd guuid=b6ea98c5-2d00-0000-4b9e-004a44030000 pid=836->guuid=e6ddbac5-2d00-0000-4b9e-004a47030000 pid=839 clone
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2026-10-17 07:23:05 UTC
File Type:
ELF64 Little (Exe)
AV detection:
20 of 38 (52.63%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion discovery execution linux persistence privilege_escalation
Behaviour
Enumerates kernel/hardware configuration
Reads runtime system information
Writes file to shm directory
Writes file to tmp directory
Changes its process name
Creates a desktop entry file
Reads system network configuration
Modifies Bash startup script
Creates/modifies Cron job
Creates/modifies environment variables
Deletes log files
Enumerates active TCP sockets
Enumerates running processes
Modifies init.d
Modifies rc script
Modifies systemd
Write file to user bin folder
Writes file to system bin folder
Deletes itself
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:botnet_Yakuza
Author:NDA0E
Description:Yakuza botnet
Rule name:CoinMiner_Strings
Author:Florian Roth (Nextron Systems)
Description:Detects mining pool protocol string in Executable
Reference:https://minergate.com/faq/what-pool-address
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_Packer_Dropper_Fileless_Armhf
Author:Serhii Kocherhan
Description:Detects obfuscated Linux ELF packers/droppers featuring ChaCha20/RC4 decryption, memfd_create/execveat fileless execution capabilities, and unique binary artifacts.
Rule name:enterpriseapps2
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:F01_s1ckrule
Author:s1ckb017
Rule name:golang
Rule name:Linux_Trojan_Gafgyt_ea92cca8
Author:Elastic Security
Rule name:malwareelf55503
Rule name:MIRAI_OHSHIT_payload
Author:AfterPacket
Description:MIRAI_OHSHIT ELF payload -- compiled-in C2 set, all architectures
Reference:https://github.com/Afterpacket/drosera-threat-intel
Rule name:NSVPS_Hydra_SSH_Bruteforce
Author:sanad (NSVPS-SOC)
Description:Hydra SSH brute-force campaign credentials pattern from NSVPS honeypot
Rule name:SHA512_Constants
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:telebot_framework
Author:vietdx.mb
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
Rule name:unixredflags3
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags
Rule name:vmdetect
Author:nex
Description:Possibly employs anti-virtualization techniques

File information


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

Web download

Mirai

elf 7acb841101d7ad95d70ec4d524f4a70c76d3f8487b8b3dd6cc37a394c2eebc3c

(this sample)

  
Delivery method
Distributed via web download

Comments