MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 727866578de01bce8d81762adff405eae9afac8ceeea81deb92955d982be421d. 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 3 File information Comments

SHA256 hash: 727866578de01bce8d81762adff405eae9afac8ceeea81deb92955d982be421d
SHA3-384 hash: 87cbf8902d1238e7526a81e503987f1ad1396fe477fcb728c467f751a3bf1965071fb2c4608e4a9e9c24de35dbdd256d
SHA1 hash: 55ec777021fa776446a47eba09d686b21c12825a
MD5 hash: 296314df0b5078410e293db42ef8dc51
humanhash: march-mountain-eleven-magazine
File name:nshkmips
Download: download sample
Signature Mirai
File size:97'508 bytes
First seen:2024-12-17 20:41:12 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:jZHf/la6kfjZCKPxIf4XhSlSfa5eu5e+Oe9MGSKmtsgrRrefPvgEA9rBEk:NE/C/SfuSKmtttMILrBEk
TLSH T16F93B81E6E218FBDF768C33447B78A21A35937D223E1D685D26CD2105F6028E585FFA8
telfhash t18221cb5c497413e46b325c895a2dff7bd56030df57226d338e11a9adabbdc815e10c0c
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
156
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Changes the time when the file was created, accessed, or modified
Deleting a recently created file
Launching a process
Connection attempt
Creating a file
Mounts file systems
DNS request
Runs as daemon
Changes access rights for a written file
Opens a port
Removes directories from a temporary directory
Receives data from a server
Sends data to a server
Creates or modifies files in /cron to set up autorun
Substitutes an application name
Gathering data
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
true
Architecture:
mips
Packer:
not packed
Botnet:
unknown
Number of open files:
11
Number of processes launched:
7
Processes remaning?
true
Remote TCP ports scanned:
not identified
Behaviour
Anti-VM
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Verdict:
UNKNOWN
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj
Score:
68 / 100
Signature
Antivirus / Scanner detection for submitted sample
Connects to many ports of the same IP (likely port scanning)
Executes the "crontab" command typically for achieving persistence
Multi AV Scanner detection for submitted file
Sample tries to persist itself using cron
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1577030 Sample: nshkmips.elf Startdate: 17/12/2024 Architecture: LINUX Score: 68 32 80.78.26.121, 18670, 45406, 45408 CYBERDYNELR Cyprus 2->32 34 kingstonwikkerink.dyn 212.64.215.71, 13743, 15466, 3243 RACKSPACE-LONGB Turkey 2->34 36 3 other IPs or domains 2->36 38 Antivirus / Scanner detection for submitted sample 2->38 40 Multi AV Scanner detection for submitted file 2->40 42 Connects to many ports of the same IP (likely port scanning) 2->42 9 dash rm nshkmips.elf 2->9         started        11 dash rm 2->11         started        signatures3 process4 process5 13 nshkmips.elf sh 9->13         started        15 nshkmips.elf 9->15         started        17 nshkmips.elf 9->17         started        process6 19 sh crontab 13->19         started        23 sh 13->23         started        25 nshkmips.elf 15->25         started        file7 30 /var/spool/cron/crontabs/tmp.yuaIDk, ASCII 19->30 dropped 44 Sample tries to persist itself using cron 19->44 46 Executes the "crontab" command typically for achieving persistence 19->46 27 sh crontab 23->27         started        signatures8 process9 signatures10 48 Executes the "crontab" command typically for achieving persistence 27->48
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2024-12-17 20:42:03 UTC
File Type:
ELF32 Big (Exe)
AV detection:
8 of 38 (21.05%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion discovery execution persistence privilege_escalatio
Behaviour
Reads runtime system information
System Network Configuration Discovery
Changes its process name
Creates/modifies Cron job
File and Directory Permissions Modification
Renames itself
Unexpected DNS network traffic destination
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_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
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 727866578de01bce8d81762adff405eae9afac8ceeea81deb92955d982be421d

(this sample)

  
Delivery method
Distributed via web download

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh

Comments