MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 931fab816a13ffbd922e2d634535518805107d262c542a1a3e73f1b68625c5c4. 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: 7


Intelligence 7 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 931fab816a13ffbd922e2d634535518805107d262c542a1a3e73f1b68625c5c4
SHA3-384 hash: db8fd914e5d08ee5eb2aa02c95fe4eac9f2cea5dbbe3dd149d489abda3dbcd3f28d07c690ea6aa8b5a4638fad91b744c
SHA1 hash: 5e8595d4a4b91f55ab8887d60fb031e47b5c0e48
MD5 hash: f4600ea59130529c00fff035d7ec121e
humanhash: nitrogen-hawaii-apart-oscar
File name:BDK.arm5
Download: download sample
Signature Mirai
Create hunting rule
File size:47'280 bytes
First seen:2022-04-10 07:43:24 UTC
Last seen:2022-04-12 00:07:12 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:O5jLEBItki8QgDZgQTrLvQVV1M3KXgfz3FEwHj0wNNdBs3UozZpkx8vIAmZsVKD:8mmkJQGgQTXcnM3Qgj+M1NN2z7I8XmZ3
TLSH T19223F1F245033820CAD691B4BE89450628D66BFDE4D57062040F123DAECE763BEFE687
Reporter tolisec
Tags:gafgyt mirai

Intelligence

File Origin
# of uploads :
6
# of downloads :
210
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.BackDoor.Fgt.1690.23011.30997.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug
Link:
https://www.filescan.io/uploads/62528ac4d149c40acb19c138/reports/4c2b0921-175c-42a9-9577-5492b0aba483/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
UPX
Botnet:
172.245.210.119/.rIIoOx22
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/931fab816a13ffbd922e2d634535518805107d262c542a1a3e73f1b68625c5c4
Behaviour
Firewall Changes
Information Gathering
Kernel Modules
Botnet C2s
TCP botnet C2(s):
172.245.210.119:17638
UDP botnet C2(s):
not identified
Result
Verdict:
UNKNOWN
Malware family:
Gafgyt
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/9a0c2445-47ba-4585-8b0d-b45d2ab3f635
Result
Threat name:
Mirai
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Detection:
malicious
Classification:
spre.troj.evad
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/973970
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: 606457 Sample: BDK.arm5 Startdate: 10/04/2022 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 3 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.arm5 2->10         started        signatures3 process4 signatures5 54 Opens /proc/net/* files useful for finding connected devices and routers 10->54 13 BDK.arm5 10->13         started        15 BDK.arm5 10->15         started        process6 process7 17 BDK.arm5 13->17         started        process8 19 BDK.arm5 sh 17->19         started        21 BDK.arm5 sh 17->21         started        23 BDK.arm5 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/931fab816a13ffbd922e2d634535518805107d262c542a1a3e73f1b68625c5c4/
Threat name:
Linux.Trojan.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2022-04-10 07:43:21 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 25 (56.00%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Link:
https://tria.ge/reports/220410-jktaksfhfn/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.03
Link:
https://yomi.yoroi.company/submissions/931fab816a13ffbd922e2d634535518805107d262c542a1a3e73f1b68625c5c4

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 931fab816a13ffbd922e2d634535518805107d262c542a1a3e73f1b68625c5c4

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2139753/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2140974/

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