MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3a74de900be4054b7638d9ca9dda23ccb4a21d088f0726d30010c10273c92f4d. 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 17 File information Comments

SHA256 hash: 3a74de900be4054b7638d9ca9dda23ccb4a21d088f0726d30010c10273c92f4d
SHA3-384 hash: 51a3350057525510236615f47f4fb0b22d08124fae640974bcf09d661364e2ff2dd171517dff2b58cd9e102eb510de56
SHA1 hash: d0adb20b9dfc4d710be2eb4137131a02c9de8dcd
MD5 hash: 991a773789b2a027ad4847daa4e21c7a
humanhash: october-william-low-asparagus
File name:bin.sh
Download: download sample
Signature Mirai
File size:307'960 bytes
First seen:2025-11-24 08:01:12 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:phNlHuBafLeBtfCzpta8xlBIOdVo3/4sxLJ10xioBa5POdOQ33Q:p3lOYoaja8xzx/0wsxzSilPqOJ
TLSH T17364F1CAEF11BC3AEA85077135A70B5DB7B4D99A82C3E090F2D4C55E3CA92C5BB611C4
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 :
67
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Mirai-63.UNOFFICIAL
Sanesecurity.Malware.30435.LC.UNOFFICIAL
Sanesecurity.Malware.29524.LC.UNOFFICIAL
Unix.Trojan.Mirai-7100807-0
Unix.Dropper.Mirai-7136013-0
Unix.Dropper.Mirai-7136057-0
Unix.Dropper.Mirai-7136070-0
Unix.Trojan.Mirai-8025795-0
Unix.Trojan.Mirai-9762350-0
Unix.Trojan.Mirai-9763616-0
Unix.Trojan.Mirai-9769616-0
Unix.Exploit.Mirai-9795501-0
Unix.Trojan.Mozi-9840825-0
Unix.Trojan.Mirai-9843255-0
Unix.Trojan.Mirai-9858729-0
Unix.Trojan.Mirai-9951087-0
Unix.Dropper.Mirai-9977145-0
Unix.Dropper.Mirai-9998760-0
Unix.Trojan.Mozi-10001545-0
Unix.Trojan.Mirai-10004218-0
Unix.Trojan.Mirai-10011765-0
Unix.Trojan.Mirai-10012497-0
Unix.Trojan.Mirai-10012843-0
Unix.Trojan.Mirai-10013712-0
Unix.Trojan.Mozi-10014131-0
Unix.Trojan.Mirai-10014867-0
Unix.Trojan.Mirai-10014868-0
Unix.Trojan.Mirai-10016231-0
Unix.Trojan.Mirai-10018332-0
Unix.Trojan.Mozi-10023820-0
Unix.Trojan.Gafgyt-6735924-0
Unix.Packed.Botnet-6566031-0
Unix.Dropper.Botnet-6566040-0
Unix.Trojan.Gafgyt-6748839-0
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Sends data to a server
Launching a process
Receives data from a server
Creating a file
Runs as daemon
Opens a port
Substitutes an application name
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
fingerprint masquerade mirai mozi obfuscated packed packed upx
Result
Gathering data
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2025-04-18T03:10:00Z UTC
Last seen:
2025-11-24T04:53:00Z UTC
Hits:
~100
Status:
terminated
Behavior Graph:
%3 guuid=9836bb5e-1900-0000-6d05-d6b08b140000 pid=5259 /usr/bin/sudo guuid=f6d27260-1900-0000-6d05-d6b08c140000 pid=5260 /tmp/sample.bin guuid=9836bb5e-1900-0000-6d05-d6b08b140000 pid=5259->guuid=f6d27260-1900-0000-6d05-d6b08c140000 pid=5260 execve
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Yara detected Mirai
Behaviour
Behavior Graph:
Threat name:
Linux.Trojan.Dakkatoni
Status:
Malicious
First seen:
2025-01-18 02:52:25 UTC
File Type:
ELF32 Big (Exe)
AV detection:
20 of 36 (55.56%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mozi botnet defense_evasion discovery persistence upx
Behaviour
Reads runtime system information
System Network Configuration Discovery
Writes file to tmp directory
Changes its process name
Reads system network configuration
UPX packed file
Creates a large amount of network flows
Enumerates active TCP sockets
Enumerates running processes
Modifies init.d
Reads system routing table
Writes file to system bin folder
Modifies Watchdog functionality
Patched UPX-packed file
Contacts a large (10040) amount of remote hosts
Detects Mozi Payload
Mozi family
Mozi, Mozi Botnet
Verdict:
Malicious
Tags:
botnet mozi trojan mirai Unix.Trojan.Mirai-7100807-0
YARA:
Mozi_Obfuscation_Technique Linux_Trojan_Mirai_5c62e6b2 Linux_Trojan_Mirai_77137320 Linux_Trojan_Mirai_ac253e4f
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:CVE_2017_17215
Author:NDA0E
Description:Detects exploitation attempt of CVE-2017-17215
Rule name:DDoS_Win32_Nitol_B
Author:mk
Description:Nitol Family
Rule name:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:iot_req_metachar
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:linux_generic_p2p_catcher
Author:@_lubiedo
Description:Generic catcher for P2P capable linux ELFs
Rule name:Linux_Generic_Threat_1ac392ca
Author:Elastic Security
Rule name:Linux_Packer_Patched_UPX_62e11c64
Author:Elastic Security
Reference:https://cujo.com/upx-anti-unpacking-techniques-in-iot-malware/
Rule name:Linux_Trojan_Mirai_5c62e6b2
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_77137320
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_ac253e4f
Author:Elastic Security
Rule name:Mal_LNX_Mozi_Botnet_ELF
Author:Phatcharadol Thangplub
Description:Use to detect Mozi botnet.
Rule name:SHA512_Constants
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
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:SUSP_XORed_Mozilla_Oct19
Author:Florian Roth
Description:Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()
Rule name:SUSP_XORed_Mozilla_RID2DB4
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
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 3a74de900be4054b7638d9ca9dda23ccb4a21d088f0726d30010c10273c92f4d

(this sample)

  
Delivery method
Distributed via web download

Comments