MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4cd7f3968b97c48ba7cec174c11f4af27f7dc6a71806103d9e3c39faad3e0fc1. 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: 12


Intelligence 12 IOCs YARA 7 File information Comments

SHA256 hash: 4cd7f3968b97c48ba7cec174c11f4af27f7dc6a71806103d9e3c39faad3e0fc1
SHA3-384 hash: 9eaf31a92d358a3461d851bbddf7cdeb5052a764d04ebc999566b72203aa35df4bd217328dea9b769ea9e3058474f910
SHA1 hash: de30bd9ef34bfdf33436783f1a4f0d763c621e5b
MD5 hash: 4f1ac019ef8ae33d70ab24eefda2cd3a
humanhash: pasta-robert-friend-eighteen
File name:yakuza.arm5
Download: download sample
Signature Mirai
File size:150'719 bytes
First seen:2025-01-27 10:06:53 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:no9B3TnpBQNSgfJ7ORi58vOYemNQqgRwzyJgNgeAiUwbUGq4M3vYlqijhH/uD36I:nof7vOCNRswFNgeX+vYlqijhfuD36I
TLSH T15DE32945FC54573BC2E23BFBF79A82CE372A5664979733115A285FB02BC1B8D1E29120
telfhash t1f93145479479ca2d2f732c586c7c4fb61256ab2331527fb0bf9ac4885533002b968d4f
TrID 50.1% (.) ELF Executable and Linkable format (Linux) (4022/12)
49.8% (.O) ELF Executable and Linkable format (generic) (4000/1)
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
84
Origin country :
DE DE
Vendor Threat Intelligence
Gathering data
Result
Verdict:
Malware
Maliciousness:
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
bash gcc lolbin masquerade obfuscated remote
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
723
Number of processes launched:
293
Processes remaning?
false
Remote TCP ports scanned:
not identified
Behaviour
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Verdict:
MALICIOUS
Result
Threat name:
Detection:
malicious
Classification:
troj
Score:
64 / 100
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1600258 Sample: yakuza.arm5.elf Startdate: 27/01/2025 Architecture: LINUX Score: 64 39 109.202.202.202, 80 INIT7CH Switzerland 2->39 41 91.189.91.42, 443 CANONICAL-ASGB United Kingdom 2->41 43 2 other IPs or domains 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 Multi AV Scanner detection for submitted file 2->47 49 Yara detected Mirai 2->49 9 yakuza.arm5.elf 2->9         started        signatures3 process4 process5 11 yakuza.arm5.elf 9->11         started        process6 13 yakuza.arm5.elf sh 11->13         started        15 yakuza.arm5.elf sh 11->15         started        17 yakuza.arm5.elf sh 11->17         started        19 53 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
Threat name:
Linux.Trojan.Tsunami
Status:
Malicious
First seen:
2025-01-27 10:07:05 UTC
File Type:
ELF32 Little (Exe)
AV detection:
22 of 38 (57.89%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Verdict:
Malicious
Tags:
trojan tsunami Unix.Trojan.Gafgyt-6981154-0
YARA:
Linux_Trojan_Tsunami_8a11f9be
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Author:@_lubiedo
Description:Find new ELF IRC samples
Rule name:Linux_Generic_Threat_d94e1020
Author:Elastic Security
Rule name:Linux_Trojan_Tsunami_8a11f9be
Author:Elastic Security
Rule name:NET
Author:malware-lu
Rule name:RANSOMWARE
Author:ToroGuitar
Rule name:setsockopt
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:unixredflags3
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 4cd7f3968b97c48ba7cec174c11f4af27f7dc6a71806103d9e3c39faad3e0fc1

(this sample)

  
Delivery method
Distributed via web download

Comments