MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 631df746d09c11dd3435c10af4094200602e9bb5a078bd439d9b52128a4afdff. 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 11 File information Comments 1

SHA256 hash: 631df746d09c11dd3435c10af4094200602e9bb5a078bd439d9b52128a4afdff
SHA3-384 hash: db03636cf27aac813be803c133750f05cb5047d210791108ed501d7c21e0122b9fffb23b623d625b0417de8d5f036a51
SHA1 hash: 66dd7264f675a671918f7be514afd3f5c9ca42a9
MD5 hash: c54b0ca90e54f5967b0d395851e7faf5
humanhash: freddie-lake-fish-mars
File name:c54b0ca90e54f5967b0d395851e7faf5
Download: download sample
Signature Mirai
File size:109'985 bytes
First seen:2024-04-14 12:15:40 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:7qr2so1s8dfC2bQnABssKTcdXF2oDRKk7bC4PsrlpT4Xm:KKs8dfVb9rK2FdF0rAm
TLSH T1D0B35A13A5A05EE3C1415FB916FBDA380713F8114B232E72961D9BF80B07EDCB899766
telfhash t1e121fe321b21462a5b60dda888ed63b1111c93166649ef33df28848c20190afe93ec4f
TrID 50.1% (.) ELF Executable and Linkable format (Linux) (4022/12)
49.8% (.O) ELF Executable and Linkable format (generic) (4000/1)
Reporter zbetcheckin
Tags:32 elf gafgyt mirai renesas

Intelligence


File Origin
# of uploads :
1
# of downloads :
94
Origin country :
FR FR
Vendor Threat Intelligence
Result
Verdict:
MALICIOUS
Result
Threat name:
Detection:
malicious
Classification:
spre.troj
Score:
96 / 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
Sample tries to kill multiple processes (SIGKILL)
Snort IDS alert for network traffic
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1425738 Sample: mBUFKJts6X.elf Startdate: 14/04/2024 Architecture: LINUX Score: 96 29 14.15.208.79, 23 YOUTVYOUCommunicationsCorporationJP Japan 2->29 31 64.236.122.20, 80 WINDSTREAMUS United States 2->31 33 99 other IPs or domains 2->33 35 Snort IDS alert for network traffic 2->35 37 Malicious sample detected (through community Yara rule) 2->37 39 Antivirus / Scanner detection for submitted sample 2->39 41 3 other signatures 2->41 8 mBUFKJts6X.elf 2->8         started        10 xfce4-panel wrapper-2.0 2->10         started        12 xfce4-panel wrapper-2.0 2->12         started        14 6 other processes 2->14 signatures3 process4 process5 16 mBUFKJts6X.elf 8->16         started        18 wrapper-2.0 xfpm-power-backlight-helper 10->18         started        process6 20 mBUFKJts6X.elf 16->20         started        23 mBUFKJts6X.elf 16->23         started        25 mBUFKJts6X.elf 16->25         started        27 3 other processes 16->27 signatures7 43 Sample tries to kill multiple processes (SIGKILL) 20->43
Threat name:
Linux.Trojan.Mirai
Status:
Malicious
First seen:
2024-04-14 12:16:07 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:unstable linux
Malware Config
C2 Extraction:
rep.nextoneup.shop
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:BitcoinAddress
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:MAL_ARM_LNX_Mirai_Mar13_2022
Author:Mehmet Ali Kerimoglu a.k.a. CYB3RMX
Description:Detects new ARM Mirai variant
Rule name:MAL_ELF_LNX_Mirai_Oct10_1
Author:Florian Roth (Nextron Systems)
Description:Detects ELF Mirai variant
Reference:Internal Research
Rule name:MAL_ELF_LNX_Mirai_Oct10_1_RID2F39
Author:Florian Roth
Description:Detects ELF Mirai variant
Reference:Internal Research
Rule name:MAL_ELF_LNX_Mirai_Oct10_2
Author:Florian Roth (Nextron Systems)
Description:Detects ELF malware Mirai related
Reference:Internal Research
Rule name:MAL_ELF_LNX_Mirai_Oct10_2_RID2F3A
Author:Florian Roth
Description:Detects ELF malware Mirai related
Reference:Internal Research
Rule name:setsockopt
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:SUSP_XORed_Mozilla
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 631df746d09c11dd3435c10af4094200602e9bb5a078bd439d9b52128a4afdff

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2024-04-14 12:15:41 UTC

url : hxxp://37.44.238.94/bins/sh4