MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b47dbd61383e1e6a529238942d5122b9aaaf90c9b8e664c21ec4c0b73cc2f461. 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: 8


Intelligence 8 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b47dbd61383e1e6a529238942d5122b9aaaf90c9b8e664c21ec4c0b73cc2f461
SHA3-384 hash: 841b76af7e7793e18232eb84161dbbdf72af29871a10311854cddf0457ef7d5ee20ea2352cb2886ea9b77b6ce354d64c
SHA1 hash: 4ee9c3d8c0fc882ad805fbc4434d06c0d40de3be
MD5 hash: 54bcad05ec5d9562c3b8dee714f591e5
humanhash: island-minnesota-one-single
File name:BDK.arm7-20220415-0546
Download: download sample
Signature Mirai
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File size:69'196 bytes
First seen:2022-04-15 05:46:59 UTC
Last seen:2022-04-17 16:13:50 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:4xQm5uqpZfZJMUrld8emInGQkaDdXRLutHQrNpj38e:EQgp93MElBmhQka1RLQHQrNR8e
TLSH T115630285B36B11F19162297775823ECC9E4987BCE6B1306707850FACE607CC899FD68E
TrID 50.1% (.) ELF Executable and Linkable format (Linux) (4022/12)
49.8% (.O) ELF Executable and Linkable format (generic) (4000/1)
Reporter tolisec
Tags:gafgyt mirai

Intelligence

File Origin
# of uploads :
6
# of downloads :
240
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.BackDoor.Fgt.1755.14679.18672.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug
Link:
https://www.filescan.io/uploads/625906dceab80a7a6c1970ca/reports/af16b920-3d39-4431-8e38-17b6214c330d/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
UPX
Botnet:
172.245.210.119/.rIIoOx29
Number of open files:
157
Number of processes launched:
6
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/b47dbd61383e1e6a529238942d5122b9aaaf90c9b8e664c21ec4c0b73cc2f461
Behaviour
Firewall Changes
Information Gathering
Kernel Modules
Botnet C2s
TCP botnet C2(s):
172.245.210.119:19372
UDP botnet C2(s):
not identified
Result
Verdict:
MALICIOUS
Malware family:
Gafgyt
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/bfc680b1-cfa6-42d1-bcb4-3bb7fa5aedbc
Result
Threat name:
Mirai
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Detection:
malicious
Classification:
spre.troj.evad
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/977269
Signature
Deletes security-related log files
Multi AV Scanner detection for submitted file
Opens /proc/net/* files useful for finding connected devices and routers
Sample deletes itself
Sample is packed with UPX
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 609756 Sample: BDK.arm7-20220415-0546 Startdate: 15/04/2022 Architecture: LINUX Score: 72 42 109.202.202.202, 80 INIT7CH Switzerland 2->42 44 91.189.91.42, 443 CANONICAL-ASGB United Kingdom 2->44 46 2 other IPs or domains 2->46 48 Multi AV Scanner detection for submitted file 2->48 50 Yara detected Mirai 2->50 52 Sample is packed with UPX 2->52 10 BDK.arm7-20220415-0546 2->10         started        signatures3 process4 signatures5 54 Opens /proc/net/* files useful for finding connected devices and routers 10->54 13 BDK.arm7-20220415-0546 10->13         started        15 BDK.arm7-20220415-0546 10->15         started        process6 process7 17 BDK.arm7-20220415-0546 13->17         started        process8 19 BDK.arm7-20220415-0546 sh 17->19         started        21 BDK.arm7-20220415-0546 sh 17->21         started        23 BDK.arm7-20220415-0546 sh 17->23         started        25 5 other processes 17->25 process9 27 sh rm 19->27         started        30 sh rm 21->30         started        32 sh rm 23->32         started        34 sh rm 25->34         started        36 sh pkill 25->36         started        38 sh pkill 25->38         started        40 2 other processes 25->40 signatures10 56 Sample deletes itself 27->56 58 Deletes security-related log files 30->58
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b47dbd61383e1e6a529238942d5122b9aaaf90c9b8e664c21ec4c0b73cc2f461/
Threat name:
Linux.Trojan.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2022-04-15 04:48:25 UTC
File Type:
ELF32 Little (Exe)
AV detection:
11 of 42 (26.19%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  9/10
Tags:
linux
Link:
https://tria.ge/reports/220415-ggvm5abcf7/
Behaviour
Reads runtime system information
Writes file to tmp directory
Reads CPU attributes
Reads system network configuration
Reads system routing table
Write file to user bin folder
Deletes system logs
Modifies the Watchdog daemon
Writes file to system bin folder
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/b47dbd61383e1e6a529238942d5122b9aaaf90c9b8e664c21ec4c0b73cc2f461

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
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research

File information

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

Web download

Mirai

elf b47dbd61383e1e6a529238942d5122b9aaaf90c9b8e664c21ec4c0b73cc2f461

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2143968/
  
Delivery method
Distributed via web download

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