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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e20806791aeae93ec120e728f892a8850f624ce2052205ddb3f104bbbfae7f80. 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


Tsunami


Vendor detections: 6


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

SHA256 hash: e20806791aeae93ec120e728f892a8850f624ce2052205ddb3f104bbbfae7f80
SHA3-384 hash: 800c04d8a1bcf505b393a10e21c1669360bb10a79d3dc8bf3c0e449d2c3788782d20ae0ffeef503757751f4ea0f2d0d2
SHA1 hash: 237315820fe77880e892d5c30b2f5fde7e5f6d64
MD5 hash: 7d3f686801ae3f90f36aae17f7a66478
humanhash: potato-jersey-eighteen-beer
File name:pty1
Download: download sample
Signature Tsunami
Create hunting rule
File size:56'644 bytes
First seen:2021-12-19 07:52:37 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:GeHlnEW13o/C1WgtCA0MtslCxZr44HB2mzj9Ll:HndFo/MWgp0dlGZr44km/9h
TLSH T1774302BDBF10C188D7293AF017FA3641647B7E2F55EEA095535AF6196DB00EA1233348
Reporter abuse_ch
Tags:CVE-2021-44228 elf log4 Muhstik Tsunami


Avatar
abuse_ch
Tsunami malware related to log4 (CVE-2021-44228) exploitation

Botnet C2s:
i.l33t-ppl.info
i.shadow-mods.net
185.61.149.22:8080

Intelligence

File Origin
# of uploads :
1
# of downloads :
284
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
Unix.Trojan.Muhstik-7555544-0
Create hunting rule

Verdict:
Unknown
Threat level:
  0/10
Confidence:
67%
Tags:
anti-debug gafgyt kaiten mirai muhstik tsunami
Link:
https://www.filescan.io/uploads/61bee4e04ab5c44cbf48c60f/reports/3930b8f1-0f98-471c-98a1-f0a3ecd12cf4/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
custom
Botnet:
unknown
Number of open files:
21
Number of processes launched:
87
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/e20806791aeae93ec120e728f892a8850f624ce2052205ddb3f104bbbfae7f80
Behaviour
Persistence
Process Renaming
Information Gathering
Botnet C2s
TCP botnet C2(s):
185.61.149.22:8080
UDP botnet C2(s):
not identified
Malware family:
Muhstik
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/3c6f70d1-d67c-4c1b-9fe5-8a20f08d69b5
Result
Threat name:
Muhstik Tsunami
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/909760
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Executes the "crontab" command typically for achieving persistence
Explicitly modifies time stamps using the "touch" command
Multi AV Scanner detection for submitted file
Sample tries to persist itself using cron
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Uses IRC for communication with a C&C
Uses known network protocols on non-standard ports
Writes identical ELF files to multiple locations
Yara detected Muhstik
Yara detected Tsunami
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 542239 Sample: pty1 Startdate: 19/12/2021 Architecture: LINUX Score: 100 107 68.66.253.100, 57594, 8080 A2HOSTINGUS United States 2->107 109 i.de-zahlung.eu 2->109 111 6 other IPs or domains 2->111 115 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->115 117 Antivirus detection for dropped file 2->117 119 Antivirus / Scanner detection for submitted sample 2->119 121 5 other signatures 2->121 11 pty1 2->11         started        signatures3 process4 process5 13 pty1 11->13         started        15 pty1 11->15         started        17 pty1 11->17         started        19 8 other processes 11->19 process6 21 pty1 13->21         started        23 pty1 13->23         started        25 pty1 13->25         started        36 25 other processes 13->36 27 pty1 sh 15->27         started        29 pty1 sh 17->29         started        31 sh touch 19->31         started        34 pty1 sh 19->34         started        38 6 other processes 19->38 signatures7 40 pty1 sh 21->40         started        42 pty1 sh 23->42         started        44 pty1 sh 25->44         started        46 sh crontab 27->46         started        56 4 other processes 27->56 50 sh crontab 29->50         started        127 Explicitly modifies time stamps using the "touch" command 31->127 52 sh uname 34->52         started        54 pty1 sh 36->54         started        58 24 other processes 36->58 process8 file9 60 sh crontab 40->60         started        72 4 other processes 40->72 64 sh crontab 42->64         started        74 4 other processes 42->74 66 sh crontab 44->66         started        76 4 other processes 44->76 97 /var/spool/cron/crontabs/tmp.YgTzj2, ASCII 46->97 dropped 129 Sample tries to persist itself using cron 46->129 131 Executes the "crontab" command typically for achieving persistence 46->131 68 sh crontab 54->68         started        78 4 other processes 54->78 70 sh crontab 56->70         started        99 /var/tmp/pty1, ELF 58->99 dropped 101 /run/pty1, ELF 58->101 dropped 103 /run/lock/pty1, ELF 58->103 dropped 105 2 other malicious files 58->105 dropped 133 Writes identical ELF files to multiple locations 58->133 135 Explicitly modifies time stamps using the "touch" command 58->135 signatures10 process11 file12 89 /var/spool/cron/crontabs/tmp.5lHFRP, ASCII 60->89 dropped 123 Sample tries to persist itself using cron 60->123 125 Executes the "crontab" command typically for achieving persistence 60->125 91 /var/spool/cron/crontabs/tmp.iVnfO7, ASCII 64->91 dropped 93 /var/spool/cron/crontabs/tmp.SRe5r2, ASCII 66->93 dropped 95 /var/spool/cron/crontabs/tmp.GO8ubj, ASCII 68->95 dropped 80 sh crontab 72->80         started        83 sh crontab 74->83         started        85 sh crontab 76->85         started        87 sh crontab 78->87         started        signatures13 process14 signatures15 113 Executes the "crontab" command typically for achieving persistence 80->113
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/e20806791aeae93ec120e728f892a8850f624ce2052205ddb3f104bbbfae7f80/
Threat name:
Linux.Trojan.Tsunami
Create hunting rule
Status:
Malicious
First seen:
2021-03-16 02:44:55 UTC
File Type:
ELF32 Big (Exe)
AV detection:
26 of 43 (60.47%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Link:
https://tria.ge/reports/211219-jqzdsaghbq/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Tsunami
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/e20806791aeae93ec120e728f892a8850f624ce2052205ddb3f104bbbfae7f80

File information

The table below shows additional information about this malware sample such as delivery method and external references.

b55ddbaee7abf1c73570d6543dd108df0580b08f730de299579570c23b3078c0

Tsunami

elf e20806791aeae93ec120e728f892a8850f624ce2052205ddb3f104bbbfae7f80

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/host/34.221.40.237/
  
Dropped by
MD5 6cead82e17c2dacbb83998cfe3841704
  
Dropped by
SHA256 b55ddbaee7abf1c73570d6543dd108df0580b08f730de299579570c23b3078c0
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1897669/
  
URLhaus
https://urlhaus.abuse.ch/url/1897605/

Comments