MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 38c2bd97472f9c6bb20ade6db143d7bd3d51e233457dda2b6692f4f3c56fe6f5. 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: 5


Intelligence 5 IOCs YARA 2 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 38c2bd97472f9c6bb20ade6db143d7bd3d51e233457dda2b6692f4f3c56fe6f5
SHA3-384 hash: 17a7a2e081394d78dc19bd0b4a28fbe75d2b60b8e55adcde67ca1979919eea6f60edb44ee9c20fb53060670976cab404
SHA1 hash: 70b53ac9772f0bd672e8ffdd5fcc7926ec264d39
MD5 hash: 6cd0350a72b48c0758fe54faaf75310f
humanhash: freddie-moon-lactose-florida
File name:6cd0350a72b48c0758fe54faaf75310f
Download: download sample
Signature Mirai
Create hunting rule
File size:36'024 bytes
First seen:2022-01-15 07:02:20 UTC
Last seen:2022-01-15 08:40:32 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:25GwdFDt8vEuha69nQmKQ3/+I95YQZnGHHZ/xj/gGLSJgGlzDpbuR1JH:o9dFZ8vvLRnwxBgGLWVJuZ
TLSH T12FF2F1BC2C110DE4D95AC17407DD0712299B1BF6EA93DC16648ACBF7AE614643CF36D4
Reporter zbetcheckin
Tags:32 elf mips mirai

Intelligence

File Origin
# of uploads :
2
# of downloads :
167
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.BackDoor.Fgt.5332.13309.15189.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug
Link:
https://www.filescan.io/uploads/61e271abf2e8ec86fe008f29/reports/758e8350-1c3f-47bb-9c42-62c1fca82339/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
UPX
Botnet:
unknown
Number of open files:
13
Number of processes launched:
19
Processes remaning?
true
Remote TCP ports scanned:
23
Full report:
https://elfdigest.com/brief/38c2bd97472f9c6bb20ade6db143d7bd3d51e233457dda2b6692f4f3c56fe6f5
Behaviour
Process Renaming
Firewall Changes
Botnet C2s
TCP botnet C2(s):
136.144.41.60:3074
UDP botnet C2(s):
not identified
Result
Verdict:
UNKNOWN
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c4677d49-9665-4ee5-a5e6-82bd02da1f11
Result
Threat name:
Unknown
Detection:
malicious
Classification:
troj.evad
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/921061
Signature
Deletes all firewall rules
Deletes security-related log files
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample is packed with UPX
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to stop the "iptables" service
Uses known network protocols on non-standard ports
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 553539 Sample: GCYaWBzazn Startdate: 15/01/2022 Architecture: LINUX Score: 80 70 209.248.243.251, 23 WINDSTREAMUS United States 2->70 72 168.212.65.200 WA-K20US United States 2->72 74 98 other IPs or domains 2->74 76 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->76 78 Multi AV Scanner detection for submitted file 2->78 80 Uses known network protocols on non-standard ports 2->80 82 Sample is packed with UPX 2->82 13 GCYaWBzazn 2->13         started        signatures3 process4 process5 15 GCYaWBzazn 13->15         started        17 GCYaWBzazn 13->17         started        process6 19 GCYaWBzazn 15->19         started        process7 21 GCYaWBzazn 19->21         started        process8 23 GCYaWBzazn sh 21->23         started        25 GCYaWBzazn sh 21->25         started        27 GCYaWBzazn sh 21->27         started        29 10 other processes 21->29 process9 31 sh service systemctl 23->31         started        34 sh rm 25->34         started        36 sh rm 27->36         started        38 sh iptables 29->38         started        40 sh service systemctl 29->40         started        42 sh rm 29->42         started        44 7 other processes 29->44 signatures10 84 Tries to stop the "iptables" service 31->84 46 service 31->46         started        48 service basename 31->48         started        50 service basename 31->50         started        52 service systemctl 31->52         started        86 Sample deletes itself 34->86 88 Deletes security-related log files 36->88 90 Deletes all firewall rules 38->90 54 service 40->54         started        56 service basename 40->56         started        58 service basename 40->58         started        60 service systemctl 40->60         started        process11 process12 62 service systemctl 46->62         started        64 service sed 46->64         started        66 service systemctl 54->66         started        68 service sed 54->68         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/38c2bd97472f9c6bb20ade6db143d7bd3d51e233457dda2b6692f4f3c56fe6f5/
Threat name:
Linux.Trojan.Mirai
Create hunting rule
Status:
Malicious
First seen:
2022-01-15 07:03:10 UTC
File Type:
ELF32 Big (Exe)
AV detection:
15 of 28 (53.57%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Link:
https://tria.ge/reports/220115-hvc6nsdbb2/
Behaviour
Checks processor information in registry
Suspicious use of AdjustPrivilegeToken
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.38
Link:
https://yomi.yoroi.company/submissions/38c2bd97472f9c6bb20ade6db143d7bd3d51e233457dda2b6692f4f3c56fe6f5

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 38c2bd97472f9c6bb20ade6db143d7bd3d51e233457dda2b6692f4f3c56fe6f5

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1978266/

Comments


Avatar
zbet commented on 2022-01-15 07:02:21 UTC

url : hxxp://136.144.41.60/.s4y/mips