MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5a936842494b24dff7a019b03e399730fefd11442b7de43e6d7b5e8c125498b6. 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



Threat unknown


Vendor detections: 10


Intelligence 10 IOCs YARA 2 File information Comments

SHA256 hash: 5a936842494b24dff7a019b03e399730fefd11442b7de43e6d7b5e8c125498b6
SHA3-384 hash: 2a1afbd39580243fd76b7aca88d81521f0a4a6a6d8184755c7c7d703f231ae354b8d7cbab661660cd53e121330733949
SHA1 hash: a4a3f20a09462befc52b9df83a58952fce9f70ed
MD5 hash: 25ff2a62429c4ef088d5268b706e3be1
humanhash: bravo-hot-ten-paris
File name:k2
Download: download sample
File size:89'480 bytes
First seen:2025-04-24 17:17:44 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:PZ5p145Ath1Vj9MElQLnmCK1nTpSWV8x/0TAnjAr:h5p145ABVjj81A
TLSH T18D93C659FB610EB7D86BCC3705981B4634CC962761A92F36B538D43CFA8618B46D3CB8
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

Intelligence


File Origin
# of uploads :
1
# of downloads :
84
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Collects information on the network activity
Kills processes
Connection attempt
Creating a file
Substitutes an application name
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
not packed
Botnet:
unknown
Number of open files:
7
Number of processes launched:
1
Processes remaning?
false
Remote TCP ports scanned:
not identified
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre
Score:
52 / 100
Signature
Multi AV Scanner detection for submitted file
Sample tries to kill multiple processes (SIGKILL)
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1673380 Sample: k2.elf Startdate: 24/04/2025 Architecture: LINUX Score: 52 29 103.136.43.20, 47524 IPSERVER-RU-NETFiordRU India 2->29 31 1.1.1.1, 53, 53665 CLOUDFLARENETUS Australia 2->31 33 Multi AV Scanner detection for submitted file 2->33 9 k2.elf 2->9         started        12 xfce4-panel wrapper-2.0 2->12         started        14 xfce4-panel wrapper-2.0 2->14         started        16 5 other processes 2->16 signatures3 process4 signatures5 37 Sample tries to kill multiple processes (SIGKILL) 9->37 18 k2.elf 9->18         started        20 wrapper-2.0 xfpm-power-backlight-helper 12->20         started        process6 process7 22 k2.elf 18->22         started        process8 24 k2.elf 22->24         started        27 k2.elf 22->27         started        signatures9 35 Sample tries to kill multiple processes (SIGKILL) 24->35
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-04-24 17:18:11 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  4/10
Tags:
discovery
Behaviour
Reads runtime system information
Changes its process name
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-9441505-0
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_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

elf 5a936842494b24dff7a019b03e399730fefd11442b7de43e6d7b5e8c125498b6

(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