MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1b0846e58fbb6a0e72d25edb81ec94961c0c7048a4e6f26876660f5a26675c77. 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 3 File information Comments

SHA256 hash: 1b0846e58fbb6a0e72d25edb81ec94961c0c7048a4e6f26876660f5a26675c77
SHA3-384 hash: 79cdfee366162459bdea7918f801a296a6f23dde24822417ac96b8d4d0aeeca11135d49da1012aa393e5e086fe457636
SHA1 hash: 5ae935186b80f6beb84926d57337d5c0b9e3e1fc
MD5 hash: 45c898246a8ffe0b7cc20fe25669da04
humanhash: timing-florida-virginia-dakota
File name:arm7
Download: download sample
Signature Mirai
File size:104'860 bytes
First seen:2024-11-08 02:56:46 UTC
Last seen:2024-12-13 18:15:37 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:lJ8o+XRPI6aC6/y7sdQQVAs5mSAwhj8zX:lJ8l66aC6/y7sumANSXhAzX
TLSH T195A31A46B9819F11D4D631FAFBAE414933136FB8E3FA7101DD20AF64238A9DB0E76512
telfhash t11cd0c22a94b064debbc08750c98b70199dad70aa2a158ce0c44e47aa8506ab0181e93a
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
69
# of downloads :
89
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Connection attempt
Mounts file systems
Creating a file
Receives data from a server
DNS request
Changes access rights for a written file
Launching a process
Changes the time when the file was created, accessed, or modified
Opens a port
Sends data to a server
Substitutes an application name
Creates or modifies files in /cron to set up autorun
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug expand gcc lolbin remote
Result
Verdict:
UNKNOWN
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj
Score:
64 / 100
Signature
Connects to many ports of the same IP (likely port scanning)
Executes the "crontab" command typically for achieving persistence
Modifies the '.bashrc' or '.bash_profile' file typically for persisting actions
Multi AV Scanner detection for submitted file
Sample tries to persist itself using cron
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1551725 Sample: arm7.elf Startdate: 08/11/2024 Architecture: LINUX Score: 64 40 91.149.218.232, 19347, 58116 GECKONET-ASPL Poland 2->40 42 88.151.195.22, 1548, 25170, 48812 AZERONLINEAZ Azerbaijan 2->42 44 6 other IPs or domains 2->44 48 Multi AV Scanner detection for submitted file 2->48 50 Connects to many ports of the same IP (likely port scanning) 2->50 9 arm7.elf 2->9         started        signatures3 process4 file5 38 /root/.bashrc, ASCII 9->38 dropped 56 Modifies the '.bashrc' or '.bash_profile' file typically for persisting actions 9->56 13 arm7.elf sh 9->13         started        15 arm7.elf 9->15         started        17 arm7.elf sh 9->17         started        19 2 other processes 9->19 signatures6 process7 process8 21 sh crontab 13->21         started        25 sh 13->25         started        27 arm7.elf 15->27         started        29 arm7.elf 15->29         started        31 sh 17->31         started        file9 36 /var/spool/cron/crontabs/tmp.W3fEF9, ASCII 21->36 dropped 52 Sample tries to persist itself using cron 21->52 54 Executes the "crontab" command typically for achieving persistence 21->54 33 sh crontab 25->33         started        signatures10 process11 signatures12 46 Executes the "crontab" command typically for achieving persistence 33->46
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2024-11-08 02:57:10 UTC
File Type:
ELF32 Little (Exe)
AV detection:
6 of 38 (15.79%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion discovery execution persistence privilege_escalatio privilege_escalation
Behaviour
Command and Scripting Interpreter: Unix Shell
Enumerates kernel/hardware configuration
Reads runtime system information
Changes its process name
Creates/modifies Cron job
Modifies systemd
File and Directory Permissions Modification
Renames itself
Unexpected DNS network traffic destination
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
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_Generic_Threat_8299c877
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 1b0846e58fbb6a0e72d25edb81ec94961c0c7048a4e6f26876660f5a26675c77

(this sample)

  
Delivery method
Distributed via web download

Comments