MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a41620a962349468235a9c697a0e3b4b54de42eb5a5982b5a0409de23323e3c6. 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: 13


Intelligence 13 IOCs YARA 3 File information Comments

SHA256 hash: a41620a962349468235a9c697a0e3b4b54de42eb5a5982b5a0409de23323e3c6
SHA3-384 hash: d1986951003da6dd67e84dda830efd02bc000475e37bcc6f3f96fc88e4f8fc8ccaad9b6eee6de5342683583ada0cc332
SHA1 hash: 8fd487ed8009478c6955b0a9c4b547ba63727c24
MD5 hash: 7759f88a6d79ba60e9a232a8952821f1
humanhash: monkey-mexico-blossom-oxygen
File name:nsharm7
Download: download sample
Signature Mirai
File size:99'812 bytes
First seen:2024-12-20 15:12:08 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:GKsAW3h8xjDI0taCqGwapyAuKltAJzL7azhHH:GKSRPsaCqGwapPu8AhLIHH
TLSH T160A3F84AB9819F11D4C631FAFB9F415933136BBCD3FA7102D920AF60278A9DB0E76512
telfhash t1e3d095c24f0594cce357d71001c85205e005bad71f1870f4ef7d895f5007dc19107013
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
81
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Mounts file systems
DNS request
Runs as daemon
Opens a port
Receives data from a server
Sends data to a server
Substitutes an application name
Performs a bruteforce attack in the network
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug gcc
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
true
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
2
Number of processes launched:
3
Processes remaning?
true
Remote TCP ports scanned:
23
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:
Detection:
malicious
Classification:
troj
Score:
68 / 100
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Sends malformed DNS queries
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1578939 Sample: nsharm7.elf Startdate: 20/12/2024 Architecture: LINUX Score: 68 21 catvision.dyn. [malformed] 2->21 23 143.163.101.115 WOBCOMDE Germany 2->23 25 101 other IPs or domains 2->25 27 Antivirus / Scanner detection for submitted sample 2->27 29 Multi AV Scanner detection for submitted file 2->29 31 Yara detected Mirai 2->31 9 nsharm7.elf 2->9         started        signatures3 33 Sends malformed DNS queries 21->33 process4 process5 11 nsharm7.elf 9->11         started        13 nsharm7.elf 9->13         started        process6 15 nsharm7.elf 11->15         started        17 nsharm7.elf 13->17         started        process7 19 nsharm7.elf 15->19         started       
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2024-12-20 15:13:07 UTC
File Type:
ELF32 Little (Exe)
AV detection:
12 of 38 (31.58%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:botnet discovery
Behaviour
Reads runtime system information
Changes its process name
Unexpected DNS network traffic destination
Contacts a large (287895) amount of remote hosts
Creates a large amount of network flows
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 a41620a962349468235a9c697a0e3b4b54de42eb5a5982b5a0409de23323e3c6

(this sample)

  
Delivery method
Distributed via web download

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