MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 83dff73546f44fe9369f5f523a3c10749c9078757ab64ec4c18544a1f4d3a5d7. 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: 6


Intelligence 6 IOCs YARA 1 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 83dff73546f44fe9369f5f523a3c10749c9078757ab64ec4c18544a1f4d3a5d7
SHA3-384 hash: d599a9a3f1a1978995f5b5aa091752e20cccd1148400a8215a9b2227ad806da8993d1ac9ac0d6035c4de3e4ec0d06e33
SHA1 hash: a02c0462a8d1ec92fb7854d0bcd0d41d79811b7f
MD5 hash: 821c0e54bd77cc70a090fa7bbdcadb0e
humanhash: mike-single-five-white
File name:821c0e54bd77cc70a090fa7bbdcadb0e
Download: download sample
Signature Mirai
Create hunting rule
File size:62'884 bytes
First seen:2022-01-15 07:02:14 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:AgkiwIb5xUyTd4AQ4ciX3QSIJMn9K93c2xDkCg:5kbITUyTd4Q3pNk9DkX
TLSH T1E153AEA2D5342D88D25889B47624DE34D773D40091A72FFEA562C36CA843EECF5297F4
Reporter zbetcheckin
Tags:32 elf mirai renesas

Intelligence

File Origin
# of uploads :
1
# of downloads :
177
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
Unix.Dropper.Mirai-7136029-0
Create hunting rule

Unix.Dropper.Mirai-7136288-0
Create hunting rule

Unix.Trojan.Mirai-7138377-0
Create hunting rule

Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug csi.exe remote.exe
Link:
https://www.filescan.io/uploads/61e271aaf2e8ec86fe008f27/reports/b67fb72b-e3b5-4a31-b702-ce6d0ed6a86b/overview
Result
Verdict:
MALICIOUS
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/0038691f-39b2-474d-ad59-b78e73caf5cf
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
84 / 100
Link:
https://www.joesandbox.com/analysis/921062
Signature
Deletes all firewall rules
Deletes security-related log files
Multi AV Scanner detection for submitted file
Sample deletes itself
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
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 553540 Sample: 2wQ8kPQVGv Startdate: 15/01/2022 Architecture: LINUX Score: 84 70 133.132.251.136, 23 XEPHIONNTT-MECorporationJP Japan 2->70 72 83.221.32.34 WPPS-ASDE Germany 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 Yara detected Mirai 2->80 82 Uses known network protocols on non-standard ports 2->82 13 2wQ8kPQVGv 2->13         started        signatures3 process4 process5 15 2wQ8kPQVGv 13->15         started        17 2wQ8kPQVGv 13->17         started        process6 19 2wQ8kPQVGv 15->19         started        process7 21 2wQ8kPQVGv 19->21         started        process8 23 2wQ8kPQVGv sh 21->23         started        25 2wQ8kPQVGv sh 21->25         started        27 2wQ8kPQVGv 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/83dff73546f44fe9369f5f523a3c10749c9078757ab64ec4c18544a1f4d3a5d7/
Threat name:
Linux.Trojan.Mirai
Create hunting rule
Status:
Malicious
First seen:
2022-01-15 07:03:11 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 28 (60.71%)
Threat level:
  5/5
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai
Link:
https://tria.ge/reports/220115-hvc6nsdedj/
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:
0.35
Link:
https://yomi.yoroi.company/submissions/83dff73546f44fe9369f5f523a3c10749c9078757ab64ec4c18544a1f4d3a5d7

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: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 83dff73546f44fe9369f5f523a3c10749c9078757ab64ec4c18544a1f4d3a5d7

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1978269/

Comments


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

url : hxxp://136.144.41.60/.s4y/sh4