MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 705a79e4e5255b67ac7cb7228b74dfefc679b2bbf15236dff2507447d99fbc1c. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 705a79e4e5255b67ac7cb7228b74dfefc679b2bbf15236dff2507447d99fbc1c
SHA3-384 hash: 0aa56756e0cd9e77dbf9df67972c03410a5f809854abaad0bfac100a2b48a64e3740de7e69e248978436ad356797ef6b
SHA1 hash: 4a56e60ddbbe44994854db3f8ca279db266bf601
MD5 hash: 04a604688e7b9c9886b049629e2f1efc
humanhash: football-mike-yankee-lemon
File name:bot.arm5
Download: download sample
Signature Mirai
Create hunting rule
File size:48'308 bytes
First seen:2025-04-20 14:58:43 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:Y4vtt+xX6bVQ9sVoHg4VrPEYx/m352TW1i/WAZ0Dh3QaWaqrTRFBX+896s3Uoz9b:Y4FYxX6bVQhLlm3x4w3JW9Jnlz9b
TLSH T19523F172914D3E70E8A812B6F8BDC56237601978C3FD22853D71926026FC39791F89DD
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 UPX
File size (compressed) :48'308 bytes
File size (de-compressed) :129'792 bytes
Format:linux/arm
Unpacked file: 3f0e07eb541c20d657b970cc6e5b312bd62c9d75640ad6b230763db322e4df2d

Intelligence

File Origin
# of uploads :
1
# of downloads :
138
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Siggen.9999.23244.30183.UNOFFICIAL
Create hunting rule

Verdict:
Clean
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68050bbf280f5f89a0d269d0linux22vpnfull_triage
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
masquerade packed upx
Link:
https://www.filescan.io/uploads/68050bbf90767142c3dc8152/reports/a70901ad-6de4-4364-8dd9-0c65221ef1f2/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
UPX
Botnet:
unknown
Number of open files:
49
Number of processes launched:
2
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/705a79e4e5255b67ac7cb7228b74dfefc679b2bbf15236dff2507447d99fbc1c
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
type:Moobot 94.156.115.12:43957
UDP botnet C2(s):
not identified
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/75d1ac47-be6a-44a8-a26c-920dc7659f44
Result
Threat name:
Gafgyt, Mirai, Okiru
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1669861
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Sends malformed DNS queries
Uses dynamic DNS services
Yara detected Gafgyt
Yara detected Mirai
Yara detected Okiru
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1669861 Sample: bot.arm5.elf Startdate: 20/04/2025 Architecture: LINUX Score: 100 18 ddwall.duckdns.org. [malformed] 2->18 20 109.202.202.202, 80 INIT7CH Switzerland 2->20 22 2 other IPs or domains 2->22 24 Malicious sample detected (through community Yara rule) 2->24 26 Multi AV Scanner detection for submitted file 2->26 28 Yara detected Okiru 2->28 34 3 other signatures 2->34 8 bot.arm5.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        signatures3 30 Sends malformed DNS queries 18->30 32 Uses dynamic DNS services 18->32 process4 process5 14 bot.arm5.elf 8->14         started        process6 16 bot.arm5.elf 14->16         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/705a79e4e5255b67ac7cb7228b74dfefc679b2bbf15236dff2507447d99fbc1c
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/705a79e4e5255b67ac7cb7228b74dfefc679b2bbf15236dff2507447d99fbc1c/
Threat name:
Linux.Trojan.Svirtu
Create hunting rule
Status:
Malicious
First seen:
2025-04-20 14:59:11 UTC
File Type:
ELF32 Little (Exe)
AV detection:
19 of 38 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=obnhtzhfevnwpld4w4riw5g757dhtmv36fjdnx7skb2epwm7xqoa._file
Result
Malware family:
n/a
Score:
  5/10
Tags:
upx
Link:
https://tria.ge/reports/250420-scrlfsyvex/
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/705a79e4e5255b67ac7cb7228b74dfefc679b2bbf15236dff2507447d99fbc1c

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:SUSP_ELF_LNX_UPX_Compressed_File
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:upx_packed_elf_v1
Create hunting rule
Author:RandomMalware

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf 705a79e4e5255b67ac7cb7228b74dfefc679b2bbf15236dff2507447d99fbc1c

(this sample)

Mirai

elf 3f0e07eb541c20d657b970cc6e5b312bd62c9d75640ad6b230763db322e4df2d

  
Dropping
SHA256 3f0e07eb541c20d657b970cc6e5b312bd62c9d75640ad6b230763db322e4df2d
  
Dropping
MD5 91b8107a4f1debff1f789dad0f454677
  
URLhaus
https://urlhaus.abuse.ch/url/3519779/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3519819/

Comments