MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f87cd3f56ea2bd0a2247d87579a0857bf55b3ead75e866756fd58d6e9327ed03. 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: 10


Intelligence 10 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f87cd3f56ea2bd0a2247d87579a0857bf55b3ead75e866756fd58d6e9327ed03
SHA3-384 hash: a71794207fef03f6d67b56b99c12c4cdc3ed2ff7594c8bf7fd8fcdc336e9e0231fc8686f091035d00d4785efb6d5df48
SHA1 hash: 5749ea1bbcbd5127ceeb0ce78d8722e1f4d4bec2
MD5 hash: 1b435aa96210fdd2ae1727516409910d
humanhash: tango-violet-princess-alaska
File name:crarm.vir
Download: download sample
Signature Mirai
Create hunting rule
File size:63'692 bytes
First seen:2022-06-18 11:34:21 UTC
Last seen:2022-06-20 16:55:04 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:PCEsPxlElhly2lz89oTYt0p+Ykcyb8vHX:PCUvz+kYt0v1zHX
TLSH T126532855BCC1AF12C6D0127BFB6E428D372613A8E2EB33079D256F21378792B0E67651
TrID 50.1% (.) ELF Executable and Linkable format (Linux) (4022/12)
49.8% (.O) ELF Executable and Linkable format (generic) (4000/1)
Reporter KdssSupport
Tags:elf mirai

Intelligence

File Origin
# of uploads :
4
# of downloads :
173
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
Unix.Trojan.Mirai-9945193-0
Create hunting rule

Unix.Trojan.Mirai-9946826-0
Create hunting rule

Unix.Trojan.Mirai-9950491-0
Create hunting rule

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug mirai
Link:
https://www.filescan.io/uploads/62adb885e2107f32e56002da/reports/3f507af0-0434-4660-9986-89043d643268/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
1
Number of processes launched:
4
Processes remaning?
true
Remote TCP ports scanned:
2323,23
Full report:
https://elfdigest.com/brief/f87cd3f56ea2bd0a2247d87579a0857bf55b3ead75e866756fd58d6e9327ed03
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Verdict:
MALICIOUS
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/a9e27f36-0773-49e0-9339-6264c78f948a
Result
Threat name:
Unknown
Detection:
malicious
Classification:
troj.evad
Score:
56 / 100
Link:
https://www.joesandbox.com/analysis/1015663
Signature
Multi AV Scanner detection for submitted file
Sample deletes itself
Uses known network protocols on non-standard ports
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 648162 Sample: crarm.vir Startdate: 18/06/2022 Architecture: LINUX Score: 56 19 156.158.248.191 airtel-tz-asTZ Tanzania United Republic of 2->19 21 146.109.34.154 ZUMTOBEL-ASCorporateDatacenterAustriaAT Switzerland 2->21 23 98 other IPs or domains 2->23 25 Multi AV Scanner detection for submitted file 2->25 27 Uses known network protocols on non-standard ports 2->27 8 crarm.vir 2->8         started        signatures3 process4 signatures5 29 Sample deletes itself 8->29 11 crarm.vir 8->11         started        13 crarm.vir 8->13         started        process6 process7 15 crarm.vir 11->15         started        17 crarm.vir 11->17         started       
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f87cd3f56ea2bd0a2247d87579a0857bf55b3ead75e866756fd58d6e9327ed03/
Threat name:
Linux.Trojan.Mirai
Create hunting rule
Status:
Malicious
First seen:
2022-06-18 11:35:06 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 26 (65.38%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7b6nh5louk6quish3b2xtiefpp2vwpvnoxugm5lp2wgw5ezh5ubq._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Link:
https://tria.ge/reports/220618-np1bxabah4/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Mirai
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/f87cd3f56ea2bd0a2247d87579a0857bf55b3ead75e866756fd58d6e9327ed03

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:myMirai
Create hunting rule
Description:Mirai
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 f87cd3f56ea2bd0a2247d87579a0857bf55b3ead75e866756fd58d6e9327ed03

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2238729/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2243731/

Comments