MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0eff03f9d3fa992e54ff2855a7cd741036e3016804b763e85a5875a4a32008eb. 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: 10


Intelligence 10 IOCs YARA 11 File information Comments

SHA256 hash: 0eff03f9d3fa992e54ff2855a7cd741036e3016804b763e85a5875a4a32008eb
SHA3-384 hash: da28e506ea804dbc318ea9ed39aa70afc5c650e096851b8f3325451c12dbe33d3f4b768657d51a335d001d2a179f3292
SHA1 hash: fff4a1eb72240ae104222b68cc92263f15109dd5
MD5 hash: b51a083e80f1587d1bc8268205860153
humanhash: muppet-table-mars-princess
File name:sora.i686
Download: download sample
Signature Mirai
File size:97'768 bytes
First seen:2026-03-12 01:52:38 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:/+xr9S54MRh5Q3jfHxRy36iZJvaAH4AWkSjIyIQ:/+xrMmwQTHxc6iZJ94tjjI6
TLSH T1CEA34985FA83C2F6D81704306062B73FC731CDA580B9DA5ADB9A9E35CA37541C7263B9
telfhash t1c75119fb1d7a0cd873d0a805c35a6be1292eeb77152036e245f39ca433e69c250b6c39
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-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 da38555c7e2a1a01ff071455be3b9a50124633aabe902b6aa3ac96f5302b3e4c
File size (compressed) :39'972 bytes
File size (de-compressed) :97'768 bytes
Format:linux/i386
Packed file: da38555c7e2a1a01ff071455be3b9a50124633aabe902b6aa3ac96f5302b3e4c

Intelligence


File Origin
# of uploads :
1
# of downloads :
72
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gafgyt masquerade mirai obfuscated
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:
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
Status:
terminated
Behavior Graph:
%3 guuid=1ff7e714-1b00-0000-8a84-7096e30a0000 pid=2787 /usr/bin/sudo guuid=babfe417-1b00-0000-8a84-7096ea0a0000 pid=2794 /tmp/sample.bin delete-file net guuid=1ff7e714-1b00-0000-8a84-7096e30a0000 pid=2787->guuid=babfe417-1b00-0000-8a84-7096ea0a0000 pid=2794 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=babfe417-1b00-0000-8a84-7096ea0a0000 pid=2794->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=90484218-1b00-0000-8a84-7096ec0a0000 pid=2796 /tmp/sample.bin guuid=babfe417-1b00-0000-8a84-7096ea0a0000 pid=2794->guuid=90484218-1b00-0000-8a84-7096ec0a0000 pid=2796 clone guuid=e9d8e853-1b00-0000-8a84-7096690b0000 pid=2921 /tmp/sample.bin guuid=babfe417-1b00-0000-8a84-7096ea0a0000 pid=2794->guuid=e9d8e853-1b00-0000-8a84-7096690b0000 pid=2921 clone guuid=01b5938f-1b00-0000-8a84-7096d40b0000 pid=3028 /tmp/sample.bin guuid=babfe417-1b00-0000-8a84-7096ea0a0000 pid=2794->guuid=01b5938f-1b00-0000-8a84-7096d40b0000 pid=3028 clone guuid=cf39998f-1b00-0000-8a84-7096d50b0000 pid=3029 /tmp/sample.bin net send-data zombie guuid=babfe417-1b00-0000-8a84-7096ea0a0000 pid=2794->guuid=cf39998f-1b00-0000-8a84-7096d50b0000 pid=3029 clone guuid=cf39998f-1b00-0000-8a84-7096d50b0000 pid=3029->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con 908fa970-7cd0-5cba-8e6e-c06fbba3cfe5 45.141.26.73:3778 guuid=cf39998f-1b00-0000-8a84-7096d50b0000 pid=3029->908fa970-7cd0-5cba-8e6e-c06fbba3cfe5 send: 220B
Gathering data
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-03-12 01:53:23 UTC
File Type:
ELF32 Little (Exe)
AV detection:
23 of 38 (60.53%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai defense_evasion linux
Behaviour
Writes file to tmp directory
Changes its process name
Writes file to system bin folder
Modifies Watchdog functionality
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_Toriilike_persist
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:Linux_Trojan_Mirai_0cb1699c
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_0d73971c
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_268aac0b
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_2e3f67a9
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_70ef58f1
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Author:Elastic Security
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: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 0eff03f9d3fa992e54ff2855a7cd741036e3016804b763e85a5875a4a32008eb

(this sample)

  
Delivery method
Distributed via web download

Comments