MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 51bfcfe8d8b106af3311eb4e21a3a9c6da4841faf165e93e1c162c15d3bbb187. 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 7 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 51bfcfe8d8b106af3311eb4e21a3a9c6da4841faf165e93e1c162c15d3bbb187
SHA3-384 hash: 006b56210c3db38acbbf41a298974627a5d1533964ed1ae6fc7454f2f4256423818b230b7ed204f11ae1c35fc9805e2a
SHA1 hash: 86fb7b3619d7c754234bfb43c796492ea53ac076
MD5 hash: 97a988f68440ce2e171c2d6bd9abfead
humanhash: arkansas-jig-jig-july
File name:97a988f68440ce2e171c2d6bd9abfead
Download: download sample
Signature Mirai
Create hunting rule
File size:66'596 bytes
First seen:2021-11-01 03:41:34 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:+/e4RGBoBtOip+jP+/9NP4j8flJvAzCTmrmQi:+2H6rOip+ek8tJvAzO
TLSH T1C453AD62D474ADD0C154433470209E7E57B3DD46662B1EB15F898AAAA00FEDCB21D3FA
Reporter zbetcheckin
Tags:32 elf mirai renesas

Intelligence

File Origin
# of uploads :
1
# of downloads :
128
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Mirai-63.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Mirai-29.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Exploit-3.UNOFFICIAL
Create hunting rule

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

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

Unix.Dropper.Mirai-7355719-0
Create hunting rule

Unix.Trojan.Mirai-7674518-0
Create hunting rule

Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e6d47ff1-5c75-4a20-b356-1edf8a519dbb
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/880130
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Reads system files that contain records of logged in users
Sample reads /proc/mounts (often used for finding a writable filesystem)
Sample tries to kill many processes (SIGKILL)
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Uses known network protocols on non-standard ports
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 512566 Sample: 8MPbeDAwwZ Startdate: 01/11/2021 Architecture: LINUX Score: 96 84 197.190.151.170 zain-asGH Ghana 2->84 86 31.191.242.124 WINDTRE-ASIT Italy 2->86 88 98 other IPs or domains 2->88 94 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->94 96 Malicious sample detected (through community Yara rule) 2->96 98 Multi AV Scanner detection for submitted file 2->98 100 2 other signatures 2->100 10 gdm3 gdm-session-worker 2->10         started        12 gdm3 gdm-session-worker 2->12         started        14 systemd accounts-daemon 2->14         started        17 38 other processes 2->17 signatures3 process4 signatures5 19 gdm-session-worker gdm-x-session 10->19         started        21 gdm-session-worker gdm-x-session 12->21         started        102 Reads system files that contain records of logged in users 14->102 23 accounts-daemon language-validate 14->23         started        25 8MPbeDAwwZ 17->25         started        27 accounts-daemon language-validate 17->27         started        29 accounts-daemon language-validate 17->29         started        31 3 other processes 17->31 process6 process7 33 gdm-x-session dbus-daemon 19->33         started        36 gdm-x-session Xorg Xorg.wrap Xorg 19->36         started        38 gdm-x-session dbus-daemon 21->38         started        40 gdm-x-session Xorg Xorg.wrap Xorg 21->40         started        42 language-validate language-options 23->42         started        50 8 other processes 25->50 44 language-validate language-options 27->44         started        46 language-validate language-options 29->46         started        48 systemd 30-systemd-environment-d-generator 31->48         started        signatures8 90 Sample reads /proc/mounts (often used for finding a writable filesystem) 33->90 52 dbus-daemon 33->52         started        54 Xorg sh 36->54         started        56 dbus-daemon 38->56         started        58 Xorg sh 40->58         started        60 language-options sh 42->60         started        62 language-options sh 44->62         started        64 language-options sh 46->64         started        92 Sample tries to kill many processes (SIGKILL) 50->92 process9 process10 66 dbus-daemon false 52->66         started        68 sh xkbcomp 54->68         started        70 dbus-daemon false 56->70         started        72 sh xkbcomp 58->72         started        74 sh locale 60->74         started        76 sh grep 60->76         started        78 sh locale 62->78         started        80 sh grep 62->80         started        82 2 other processes 64->82
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/51bfcfe8d8b106af3311eb4e21a3a9c6da4841faf165e93e1c162c15d3bbb187/
Threat name:
Linux.Trojan.Mirai
Create hunting rule
Status:
Malicious
First seen:
2021-11-01 01:52:05 UTC
AV detection:
23 of 45 (51.11%)
Threat level:
  5/5
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai linux
Link:
https://tria.ge/reports/211101-d9cq8sghe7/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.20
Link:
https://yomi.yoroi.company/submissions/51bfcfe8d8b106af3311eb4e21a3a9c6da4841faf165e93e1c162c15d3bbb187

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:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:MAL_ELF_LNX_Mirai_Oct10_2
Create hunting rule
Author:Florian Roth
Description:Detects ELF malware Mirai related
Reference:Internal Research
Rule name:MAL_ELF_LNX_Mirai_Oct10_2_RID2F3A
Create hunting rule
Author:Florian Roth
Description:Detects ELF malware Mirai related
Reference:Internal Research
Rule name:SUSP_XORed_Mozilla
Create hunting rule
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
Rule name:SUSP_XORed_Mozilla_RID2DB4
Create hunting rule
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
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 51bfcfe8d8b106af3311eb4e21a3a9c6da4841faf165e93e1c162c15d3bbb187

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1734499/

Comments


Avatar
zbet commented on 2021-11-01 03:41:35 UTC

url : hxxp://23.94.37.59/bins/Tsunami.sh4