MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 decfbcfb1d4a8dce2fb6c36d6f2403accce45c25f2a3a88d4099ca09b6f2396d. 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 8 File information Comments

SHA256 hash: decfbcfb1d4a8dce2fb6c36d6f2403accce45c25f2a3a88d4099ca09b6f2396d
SHA3-384 hash: 9e4f1b23f03e366955d108e0beae374e66e54476c04f555a70f807259d4ba2f8fe58741635c73bf022ee0abe23315ab3
SHA1 hash: d06ef8421e6c2893e0955e5aa6f6f8e5035cfba6
MD5 hash: 0732c80e2fc3b2a740d2b9a3ad47c846
humanhash: fanta-stairway-charlie-artist
File name:mirai.sh4
Download: download sample
Signature Mirai
File size:224'621 bytes
First seen:2025-05-13 20:13:50 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 6144:Je9oDEMegHg9NnXRU3ywX58ehStjLevkQ:Je6DzjHg9ZhU3FQEP
TLSH T102245D8B59A15EFBC208BB716CBA1F34171DF1611B0F04A6383CD674625F6CAB09FA58
telfhash t12d21ee318b3196221a61dda49cee6766552dc2035609ff73ce32c18c601a0ece53bc0f
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 gafgyt mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
141
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
gcc lolbin masquerade mirai mirai remote
Result
Threat name:
Detection:
malicious
Classification:
troj
Score:
92 / 100
Signature
Antivirus / Scanner detection for submitted sample
Contains symbols with names commonly found in malware
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-05-13 20:14:25 UTC
File Type:
ELF32 Little (Exe)
AV detection:
25 of 37 (67.57%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Verdict:
Malicious
Tags:
trojan mirai Unix.Trojan.Mirai-6981158-0
YARA:
Linux_Trojan_Mirai_0bce98a2 Linux_Trojan_Mirai_449937aa
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:Linux_Mirai_Generic
Author:albertzsigovits
Description:Generic Approach to Mirai/Gafgyt samples
Rule name:Linux_Trojan_Mirai_0bce98a2
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_449937aa
Author:Elastic Security
Rule name:MAL_ARM_LNX_Mirai_Mar13_2022
Author:Mehmet Ali Kerimoglu a.k.a. CYB3RMX
Description:Detects new ARM Mirai variant
Rule name:setsockopt
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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 decfbcfb1d4a8dce2fb6c36d6f2403accce45c25f2a3a88d4099ca09b6f2396d

(this sample)

  
Delivery method
Distributed via web download

Comments