MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c049f4d3053b5262e7beff5e129fa35794e1998a82dd5a4a71d832ac1f5d2c9c. 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: 10


Intelligence 10 IOCs YARA 2 File information Comments

SHA256 hash: c049f4d3053b5262e7beff5e129fa35794e1998a82dd5a4a71d832ac1f5d2c9c
SHA3-384 hash: c3b0caddf4ea434f1690254938431f056e2b75e30ccfd32b2d2e3d430e8dd91add5b50fc8b90103a2d0d40494ad89ff7
SHA1 hash: fa3e93dcc0b1bc7d7409ff3cc713dfc75a1721a3
MD5 hash: c0d7f1dc9f7302676ce2f91453d8d8a7
humanhash: nuts-maine-cold-sierra
File name:nklarm5
Download: download sample
Signature Mirai
File size:51'296 bytes
First seen:2025-03-03 21:27:11 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:ibl0s/p4tn6gCd9pFLJU6z7A7kOouIzya5NPVut5Zw5apd7NqnKuKX1+iN9:W0cpVpFtJzU4lzya5F8t5G8pYg
TLSH T1DA331891B8818A17C1E412BBFA2E42DC372263F8D2DF7207DD116F51778A81F0EA7665
telfhash t1ea01dc028c8c1adc9bd041d0ca0f732821e832f8529633496fbead0a07218e232c2437
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 mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
101
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
0
Number of processes launched:
2
Processes remaning?
true
Remote TCP ports scanned:
23
Behaviour
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:
52 / 100
Signature
Multi AV Scanner detection for submitted file
Sends malformed DNS queries
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1628539 Sample: nklarm5.elf Startdate: 03/03/2025 Architecture: LINUX Score: 52 14 serisbot.geek. [malformed] 2->14 16 209.86.187.152, 23 WINDSTREAMUS United States 2->16 18 101 other IPs or domains 2->18 20 Multi AV Scanner detection for submitted file 2->20 8 nklarm5.elf 2->8         started        signatures3 22 Sends malformed DNS queries 14->22 process4 process5 10 nklarm5.elf 8->10         started        process6 12 nklarm5.elf 10->12         started       
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2025-03-03 21:27:30 UTC
File Type:
ELF32 Little (Exe)
AV detection:
21 of 38 (55.26%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:botnet defense_evasion discovery
Behaviour
Changes its process name
Modifies Watchdog functionality
Renames itself
Unexpected DNS network traffic destination
Contacts a large (184923) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-9970440-0
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:Linux_Generic_Threat_d94e1020
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 c049f4d3053b5262e7beff5e129fa35794e1998a82dd5a4a71d832ac1f5d2c9c

(this sample)

  
Delivery method
Distributed via web download

Comments