MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0aa1807acec7efe0d1637c0179b26b9931083fb985d7edc8b069e65c4e987ecc. 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: 11


Intelligence 11 IOCs YARA 9 File information Comments

SHA256 hash: 0aa1807acec7efe0d1637c0179b26b9931083fb985d7edc8b069e65c4e987ecc
SHA3-384 hash: 9bcdff69fe990bfc551989d50b7a711c95371fdfea66119c86784583c511764c0f0d74e0d01928d9fb6ece5538f3fe8e
SHA1 hash: 4d98a191429edf7fa7a839f8231e51bcd6e6b8d7
MD5 hash: 837acf9254c1195c7978765e19ec42a7
humanhash: grey-winner-six-april
File name:main_x86
Download: download sample
Signature Mirai
File size:96'648 bytes
First seen:2025-07-15 11:14:04 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:6DFH63uzDJc3vAy5v4F+hDRwHbjMmtqzDhFFglSDTnvK:EFSuztCh4F+hDW74mtADiMDm
TLSH T145936BC4E643D0F2DD5602F1983BF7365333E43E501DEA97D329A935D891A50EA2A3AC
telfhash t18a51e9b71eba08ecb7d05404c31e1ba62959d7b7252476b245b3dc6433eadc180bac39
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

Intelligence


File Origin
# of uploads :
1
# of downloads :
24
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Locks files
Creating a file in the %temp% directory
Sends data to a server
Creating a file
Changes the time when the file was created, accessed, or modified
Receives data from a server
Launching a process
Connection attempt
DNS request
Changes access rights for a written file
Kills processes
Runs as daemon
Traces processes
Substitutes an application name
Creates or modifies files in /cron to set up autorun
Deleting of the original file
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
bash lolbin obfuscated remote
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
3
Number of processes launched:
3
Processes remaning?
true
Remote TCP ports scanned:
not identified
Behaviour
Process Renaming
Anti-Debugging
Information Gathering
Botnet C2s
TCP botnet C2(s):
type:Mirai 198.55.98.107:1995
UDP botnet C2(s):
not identified
Status:
terminated
Behavior Graph:
%3 guuid=33f8cde1-1900-0000-0ba1-5fdb64090000 pid=2404 /usr/bin/sudo guuid=ddc3d7e3-1900-0000-0ba1-5fdb6a090000 pid=2410 /tmp/sample.bin delete-file net guuid=33f8cde1-1900-0000-0ba1-5fdb64090000 pid=2404->guuid=ddc3d7e3-1900-0000-0ba1-5fdb6a090000 pid=2410 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=ddc3d7e3-1900-0000-0ba1-5fdb6a090000 pid=2410->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=dd5e0ce4-1900-0000-0ba1-5fdb6c090000 pid=2412 /usr/bin/dash guuid=ddc3d7e3-1900-0000-0ba1-5fdb6a090000 pid=2410->guuid=dd5e0ce4-1900-0000-0ba1-5fdb6c090000 pid=2412 execve guuid=3f8f54e5-1900-0000-0ba1-5fdb74090000 pid=2420 /tmp/sample.bin dns net send-data zombie guuid=ddc3d7e3-1900-0000-0ba1-5fdb6a090000 pid=2410->guuid=3f8f54e5-1900-0000-0ba1-5fdb74090000 pid=2420 clone guuid=a38f59e4-1900-0000-0ba1-5fdb6e090000 pid=2414 /usr/bin/dash guuid=dd5e0ce4-1900-0000-0ba1-5fdb6c090000 pid=2412->guuid=a38f59e4-1900-0000-0ba1-5fdb6e090000 pid=2414 clone guuid=262f64e4-1900-0000-0ba1-5fdb6f090000 pid=2415 /usr/bin/dash guuid=dd5e0ce4-1900-0000-0ba1-5fdb6c090000 pid=2412->guuid=262f64e4-1900-0000-0ba1-5fdb6f090000 pid=2415 clone guuid=90c565e4-1900-0000-0ba1-5fdb70090000 pid=2416 /usr/bin/dash guuid=a38f59e4-1900-0000-0ba1-5fdb6e090000 pid=2414->guuid=90c565e4-1900-0000-0ba1-5fdb70090000 pid=2416 clone guuid=767670e4-1900-0000-0ba1-5fdb71090000 pid=2417 /usr/bin/grep guuid=a38f59e4-1900-0000-0ba1-5fdb6e090000 pid=2414->guuid=767670e4-1900-0000-0ba1-5fdb71090000 pid=2417 execve guuid=3f8f54e5-1900-0000-0ba1-5fdb74090000 pid=2420->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 30B 1b298986-c1a2-51c3-8ea4-731b8031d0c6 botnet.eu.cc:1995 guuid=3f8f54e5-1900-0000-0ba1-5fdb74090000 pid=2420->1b298986-c1a2-51c3-8ea4-731b8031d0c6 send: 7B guuid=323a68e5-1900-0000-0ba1-5fdb76090000 pid=2422 /tmp/sample.bin guuid=3f8f54e5-1900-0000-0ba1-5fdb74090000 pid=2420->guuid=323a68e5-1900-0000-0ba1-5fdb76090000 pid=2422 clone
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
68 / 100
Signature
Executes the "crontab" command typically for achieving persistence
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample tries to persist itself using cron
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1736904 Sample: main_x86.elf Startdate: 15/07/2025 Architecture: LINUX Score: 68 33 109.202.202.202, 80 INIT7CH Switzerland 2->33 35 91.189.91.42, 443 CANONICAL-ASGB United Kingdom 2->35 37 91.189.91.43, 443 CANONICAL-ASGB United Kingdom 2->37 43 Malicious sample detected (through community Yara rule) 2->43 45 Multi AV Scanner detection for submitted file 2->45 9 main_x86.elf 2->9         started        signatures3 process4 signatures5 49 Sample deletes itself 9->49 12 main_x86.elf sh 9->12         started        14 main_x86.elf 9->14         started        process6 process7 16 sh crontab 12->16         started        20 sh 12->20         started        22 main_x86.elf 14->22         started        file8 31 /var/spool/cron/crontabs/tmp.ZEUzBk, ASCII 16->31 dropped 39 Sample tries to persist itself using cron 16->39 41 Executes the "crontab" command typically for achieving persistence 16->41 24 sh crontab 20->24         started        27 sh crontab 20->27         started        29 sh grep 20->29         started        signatures9 process10 signatures11 47 Executes the "crontab" command typically for achieving persistence 24->47
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-07-15 11:14:21 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery execution linux persistence privilege_escalation rootkit
Behaviour
Reads runtime system information
Creates/modifies Cron job
Loads a kernel module
Verdict:
Malicious
Tags:
trojan mirai gafgyt Unix.Trojan.Mirai-10028515-0
YARA:
Linux_Trojan_Gafgyt_5bf62ce4 Linux_Trojan_Mirai_b14f4c5d Linux_Trojan_Mirai_5f7b67b8 Linux_Trojan_Mirai_88de437f Linux_Trojan_Mirai_389ee3e9 Linux_Trojan_Mirai_cc93863b Linux_Trojan_Mirai_8aa7b5d3
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:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:Linux_Trojan_Gafgyt_5bf62ce4
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_389ee3e9
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_5f7b67b8
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_8aa7b5d3
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_b14f4c5d
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Author:Elastic Security
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 0aa1807acec7efe0d1637c0179b26b9931083fb985d7edc8b069e65c4e987ecc

(this sample)

  
Delivery method
Distributed via web download

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