MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 099940f7a8291ee2cae199b7a697cdfdf0f9956530b8d1d4e799a466ebce1511. 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: 14


Intelligence 14 IOCs YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 099940f7a8291ee2cae199b7a697cdfdf0f9956530b8d1d4e799a466ebce1511
SHA3-384 hash: ca4bc2d81f8ea3aba893cb4121296ab7ccbf7ee4d4e7e570da4ecbc25e11e74a3df3fc4480b40a383090741d7bc210e3
SHA1 hash: 6104e287988f3157bf830f161c903be888452633
MD5 hash: 5fb6dcc50a1c8986898c37bfa569fa00
humanhash: harry-alpha-lactose-nitrogen
File name:yakuza.arm7
Download: download sample
Signature Mirai
Create hunting rule
File size:212'217 bytes
First seen:2024-11-06 06:41:34 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 6144:qkYGafoaezosIcPmQWmWlnii6Dt+M/9dmr2nBPNg2:ZYGafGzosI6mpfliiiP/Xmr2nBPNg2
TLSH T13F243B09DA509B67C1E23BFBF79B828A33234B54A7D7331945286BF43BC2B5D4E26105
telfhash t10c3142479579ca1e2fb31c589c7c5fb1125aab2331526fb1bf9ac4c88533002a838d4f
Magika elf
Reporter abuse_ch
Tags:elf gafgyt mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
86
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.30395.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.28962.LCM.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.28961.LCM.UNOFFICIAL
Create hunting rule

Unix.Trojan.Tsunami-6981155-0
Create hunting rule

Unix.Trojan.Tsunami-6981161-0
Create hunting rule

Unix.Dropper.Mirai-7136072-0
Create hunting rule

Unix.Dropper.Mirai-7139223-0
Create hunting rule

Unix.Trojan.Mirai-9760303-0
Create hunting rule

Unix.Trojan.Mirai-5607483-0
Create hunting rule

Verdict:
Malicious
Score:
93.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=672b10c88d23d9049134189alinux22vpnfull_triage
Tags:
gafgyt mirai
Result
Verdict:
Malware
Maliciousness:

Behaviour
Collects information on the CPU
Runs as daemon
Connection attempt
Receives data from a server
Launching a process
Collects information on the network activity
Sends data to a server
Performs a bruteforce attack in the network
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
android bash gafgyt gcc lolbin masquerade mirai remote tsunami
Link:
https://www.filescan.io/uploads/672b0fbc182e63505d617142/reports/2aa20651-3bf2-4819-8235-a73999143041/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
191
Number of processes launched:
49
Processes remaning?
false
Remote TCP ports scanned:
23
Full report:
https://elfdigest.com/brief/099940f7a8291ee2cae199b7a697cdfdf0f9956530b8d1d4e799a466ebce1511
Behaviour
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Verdict:
MALICIOUS
Malware family:
Tsunami
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/57699722-3650-47e6-b777-328c81011111
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1549860
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Uses IRC for communication with a C&C
Uses known network protocols on non-standard ports
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1549860 Sample: yakuza.arm7.elf Startdate: 06/11/2024 Architecture: LINUX Score: 64 39 194.110.247.46, 5060, 57844 FIRSTROOT-ASDE unknown 2->39 41 185.125.190.26, 443 CANONICAL-ASGB United Kingdom 2->41 43 daisy.ubuntu.com 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 Multi AV Scanner detection for submitted file 2->47 49 Uses IRC for communication with a C&C 2->49 51 Uses known network protocols on non-standard ports 2->51 9 yakuza.arm7.elf 2->9         started        signatures3 process4 process5 11 yakuza.arm7.elf 9->11         started        process6 13 yakuza.arm7.elf sh 11->13         started        15 yakuza.arm7.elf sh 11->15         started        17 yakuza.arm7.elf sh 11->17         started        19 52 other processes 11->19 process7 21 sh pkill 13->21         started        23 sh busybox 13->23         started        25 sh pkill 15->25         started        27 sh busybox 15->27         started        29 sh pkill 17->29         started        31 sh busybox 17->31         started        33 sh pkill 19->33         started        35 sh busybox 19->35         started        37 99 other processes 19->37
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/099940f7a8291ee2cae199b7a697cdfdf0f9956530b8d1d4e799a466ebce1511
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/099940f7a8291ee2cae199b7a697cdfdf0f9956530b8d1d4e799a466ebce1511/
Threat name:
Linux.Trojan.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2024-10-29 14:22:12 UTC
File Type:
ELF32 Little (Exe)
AV detection:
21 of 38 (55.26%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=bgmub55ifepofsxbtg32nf6n7xyptflfgc4ndvhhtgsgn26ocuiq._file
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery execution
Link:
https://tria.ge/reports/241106-hgb2fswfkn/
Behaviour
Command and Scripting Interpreter: Unix Shell
Reads runtime system information
System Network Configuration Discovery
Reads CPU attributes
Creates a large amount of network flows
Enumerates running processes
Contacts a large (3905) amount of remote hosts
Verdict:
Malicious
Tags:
trojan tsunami gafgyt Unix.Trojan.Tsunami-6981155-0
YARA:
Linux_Trojan_Gafgyt_6a510422 Linux_Trojan_Gafgyt_d2953f92 Linux_Trojan_Tsunami_8a11f9be
Link:
https://app.threat.zone/submission/1ce11658-f77a-4dec-a6cc-3df5f3079def
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/099940f7a8291ee2cae199b7a697cdfdf0f9956530b8d1d4e799a466ebce1511

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_irc_catcher
Create hunting rule
Author:@_lubiedo
Description:Find new ELF IRC samples
Rule name:Linux_Trojan_Gafgyt_6a510422
Create hunting rule
Author:Elastic Security
Reference:14cc92b99daa0c91aa09d9a7996ee5549a5cacd7be733960b2cf3681a7c2b628
Rule name:Linux_Trojan_Gafgyt_d2953f92
Create hunting rule
Author:Elastic Security
Reference:14cc92b99daa0c91aa09d9a7996ee5549a5cacd7be733960b2cf3681a7c2b628
Rule name:Linux_Trojan_Tsunami_8a11f9be
Create hunting rule
Author:Elastic Security
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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 099940f7a8291ee2cae199b7a697cdfdf0f9956530b8d1d4e799a466ebce1511

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3278195/
  
Delivery method
Distributed via web download

Comments