MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8477766f659dbf29785bed6b2a2284f7b236d965c135ccd93c13ddf6b8bb5e23. 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: 9


Intelligence 9 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8477766f659dbf29785bed6b2a2284f7b236d965c135ccd93c13ddf6b8bb5e23
SHA3-384 hash: 975929667ffeec56eed3b51482e205efc61a8ab394124569acacd58861a3b6c8b29a97d5d232ccb5461529804eba040e
SHA1 hash: a119df91030cfeb2f7732df7adc7288983a976bc
MD5 hash: 874dacf14f73ec0b595e41b82c25d738
humanhash: mars-thirteen-tango-lion
File name:k2
Download: download sample
File size:162'272 bytes
First seen:2025-04-22 03:32:12 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:yM4oiHL66m+zND8028eBT/RMElALRbiXNIowsFr+XtvcXBYzvx/zF:yMemqX5vx7
TLSH T183F3EEAAAB715EB7EC0DCE37009D4605519C925A92DE2F6FF2B4C518E38B90F49D3C48
Magika elf
Reporter abuse_ch
Tags:elf

Intelligence

File Origin
# of uploads :
1
# of downloads :
83
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Unix.Trojan.Mirai-9441505-0
Create hunting rule

Verdict:
Malicious
Score:
93.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68070fb82203b3e10cd275aflinux22vpnfull_triage
Tags:
mirai
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/68070df490767142c3defe61/reports/ed847fd5-a2bf-483a-84b6-1a7d387c53a7/overview
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
Full report:
https://elfdigest.com/brief/8477766f659dbf29785bed6b2a2284f7b236d965c135ccd93c13ddf6b8bb5e23
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/715d5900-ba4e-4a3e-9811-01d2437ac71f
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj
Score:
60 / 100
Link:
https://www.joesandbox.com/analysis/1670710
Signature
Connects to many ports of the same IP (likely port scanning)
Multi AV Scanner detection for submitted file
Sample tries to kill multiple processes (SIGKILL)
Uses known network protocols on non-standard ports
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1670710 Sample: k2.elf Startdate: 22/04/2025 Architecture: LINUX Score: 60 31 197.213.201.6, 37215 ZAIN-ZAMBIAZM Zambia 2->31 33 41.180.28.102, 37215 X-DSL-NET1ZA South Africa 2->33 35 98 other IPs or domains 2->35 37 Multi AV Scanner detection for submitted file 2->37 39 Connects to many ports of the same IP (likely port scanning) 2->39 41 Uses known network protocols on non-standard ports 2->41 9 k2.elf 2->9         started        12 xfce4-panel wrapper-2.0 2->12         started        14 dash rm 2->14         started        16 8 other processes 2->16 signatures3 process4 signatures5 45 Sample tries to kill multiple processes (SIGKILL) 9->45 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        29 k2.elf 22->29         started        signatures9 43 Sample tries to kill multiple processes (SIGKILL) 24->43
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/8477766f659dbf29785bed6b2a2284f7b236d965c135ccd93c13ddf6b8bb5e23
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8477766f659dbf29785bed6b2a2284f7b236d965c135ccd93c13ddf6b8bb5e23/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-04-22 03:33:11 UTC
File Type:
ELF32 Little (Exe)
AV detection:
11 of 24 (45.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qr3xm33ftw7ss6c35vvsuiue66zdnwlfye24zwj4cpo7nof3lyrq._file
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery
Link:
https://tria.ge/reports/250422-d38v4aswgv/
Behaviour
Reads runtime system information
Changes its process name
Contacts a large (35062) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-9441505-0
YARA:
n/a
Link:
https://app.threat.zone/submission/5eaf75ba-51b1-452c-9639-ab959a4ebd04
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/8477766f659dbf29785bed6b2a2284f7b236d965c135ccd93c13ddf6b8bb5e23

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
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:unixredflags3
Create hunting rule
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 8477766f659dbf29785bed6b2a2284f7b236d965c135ccd93c13ddf6b8bb5e23

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3519277/
  
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