MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a66b08149f43d12d8b891eb12e6e3ccdf092e6f04200a36916828fba9eed47f3. 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 3 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a66b08149f43d12d8b891eb12e6e3ccdf092e6f04200a36916828fba9eed47f3
SHA3-384 hash: 8e888f7597095bef6ab164f7fe76228592383d7161428e3ad0081b378af2f806994a8989230b0326d41861ec91c02a1f
SHA1 hash: 892d37cc04d5953767cd3a6162ec74faaaf0b828
MD5 hash: 6ec46a480a854f1705de966abcc17936
humanhash: washington-burger-yankee-iowa
File name:6ec46a480a854f1705de966abcc17936
Download: download sample
Signature Mirai
Create hunting rule
File size:180'416 bytes
First seen:2022-10-04 22:58:10 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:stx2mxpI1TzhmQVjehaHXWrefWxe9Rlt0xHee5hn/2JjhM/9tCEmowhbRWz3e:saChaHXWrzxe9mxHl5hn/2JlM/9UEmo8
TLSH T192042A09DA409B17C1E2277AFB9B438B33239B94ABD7331655285FB03FC27991E3A505
telfhash t1d5213013a1b986296fb79d64ac7c06f01260a623b3407fb0ef1ec1848d37002b83dc9b
Reporter zbetcheckin
Tags:32 arm elf gafgyt mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
169
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Mirai-81.UNOFFICIAL
Create hunting rule

Unix.Dropper.Mirai-7136029-0
Create hunting rule

Unix.Dropper.Mirai-7139229-0
Create hunting rule

Unix.Trojan.Mirai-9760303-0
Create hunting rule

Unix.Trojan.Mirai-9864781-0
Create hunting rule

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
bashlite gafgyt mirai
Link:
https://www.filescan.io/uploads/633cbab749c58ce767c61d38/reports/b8aeb417-e4cc-4102-90da-a77c5fee519c/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
159
Number of processes launched:
14
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/a66b08149f43d12d8b891eb12e6e3ccdf092e6f04200a36916828fba9eed47f3
Behaviour
Firewall Changes
Information Gathering
Kernel Modules
Botnet C2s
TCP botnet C2(s):
204.76.203.6:454
UDP botnet C2(s):
not identified
Result
Verdict:
MALICIOUS
Malware family:
Gafgyt
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d5c7a054-7a8f-4664-a7fe-368ecd5443c2
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
92 / 100
Link:
https://www.joesandbox.com/analysis/1083725
Signature
Antivirus / Scanner detection for submitted sample
Deletes all firewall rules
Deletes security-related log files
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Opens /proc/net/* files useful for finding connected devices and routers
Sample deletes itself
Tries to stop the "iptables" service
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 716287 Sample: TtakDaRaOK.elf Startdate: 05/10/2022 Architecture: LINUX Score: 92 66 204.76.203.6, 40674, 454 UNASSIGNED Reserved 2->66 68 109.202.202.202, 80 INIT7CH Switzerland 2->68 70 2 other IPs or domains 2->70 72 Malicious sample detected (through community Yara rule) 2->72 74 Antivirus / Scanner detection for submitted sample 2->74 76 Multi AV Scanner detection for submitted file 2->76 78 Yara detected Mirai 2->78 12 TtakDaRaOK.elf 2->12         started        signatures3 process4 signatures5 86 Opens /proc/net/* files useful for finding connected devices and routers 12->86 88 Sample deletes itself 12->88 15 TtakDaRaOK.elf 12->15         started        process6 process7 17 TtakDaRaOK.elf 15->17         started        process8 19 TtakDaRaOK.elf sh 17->19         started        21 TtakDaRaOK.elf sh 17->21         started        23 TtakDaRaOK.elf sh 17->23         started        25 10 other processes 17->25 process9 27 sh service systemctl 19->27         started        30 sh rm 21->30         started        32 sh iptables 23->32         started        34 sh service systemctl 25->34         started        36 sh rm 25->36         started        38 sh rm 25->38         started        40 7 other processes 25->40 signatures10 80 Tries to stop the "iptables" service 27->80 42 service 27->42         started        44 service basename 27->44         started        46 service basename 27->46         started        48 service systemctl 27->48         started        82 Deletes security-related log files 30->82 84 Deletes all firewall rules 32->84 50 service 34->50         started        52 service basename 34->52         started        54 service basename 34->54         started        56 service systemctl 34->56         started        process11 process12 58 service systemctl 42->58         started        60 service sed 42->60         started        62 service systemctl 50->62         started        64 service sed 50->64         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a66b08149f43d12d8b891eb12e6e3ccdf092e6f04200a36916828fba9eed47f3/
Threat name:
Linux.Trojan.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2022-10-04 02:04:39 UTC
File Type:
ELF32 Little (Exe)
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uzvqqfe7ipis3c4jd2ys43r4zxyjfzxqiiakg2iwqkh3vhxni7zq._file
Result
Malware family:
gafgyt
Create hunting rule
Score:
  10/10
Tags:
family:gafgyt
Link:
https://tria.ge/reports/221004-2ydfdsdbcr/
Behaviour
Enumerates kernel/hardware configuration
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
Writes DNS configuration
Deletes system logs
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:
0.23
Link:
https://yomi.yoroi.company/submissions/a66b08149f43d12d8b891eb12e6e3ccdf092e6f04200a36916828fba9eed47f3

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:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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

Mirai

elf a66b08149f43d12d8b891eb12e6e3ccdf092e6f04200a36916828fba9eed47f3

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2350481/

Comments


Avatar
zbet commented on 2022-10-04 22:58:25 UTC

url : hxxp://204.76.203.6/gigasex.arm7