MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 31bb97ce0b8274599f47a8630b58a303d2f3dde966df511cd3dc3f993780ceec. 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: 9


Intelligence 9 IOCs YARA 2 File information Comments

SHA256 hash: 31bb97ce0b8274599f47a8630b58a303d2f3dde966df511cd3dc3f993780ceec
SHA3-384 hash: d163722cf7a56deb0f4b8e28dd93e62c53fdb2d4f760ad0b43250468ee700697d415724ca2ace29fa341f1006b3cc531
SHA1 hash: 4d8fce3c9f78ae1226f6ccb3361f5a2b59343a54
MD5 hash: 1942bb965ed1d5287afde366af8a7d30
humanhash: lemon-timing-triple-eighteen
File name:b1
Download: download sample
Signature Tsunami
File size:185'344 bytes
First seen:2025-02-07 23:06:17 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:BhKjhdVFx2CrdnTKAfQFevz2bijFm3+2cktoWnyuM8RNdgru1MZLt5zMhCJVgzFj:BKkS28kxn+gzFjtYuLwSqZG
TLSH T16904FF3DAE217B7EE6B882314BFA2FB4D31611D33692D284D17DC6185EB025D0C9EB64
telfhash t1a1219018493823f4a3751c9e6bedef72e5a130eb5a256d378d00e9adda2cd425e00c1c
Magika elf
Reporter abuse_ch
Tags:elf mirai Tsunami

Intelligence


File Origin
# of uploads :
1
# of downloads :
609
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Collects information on the network activity
Connection attempt
Sends data to a server
Kills processes
Substitutes an application name
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
not packed
Botnet:
unknown
Number of open files:
12
Number of processes launched:
1
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
Threat name:
n/a
Detection:
malicious
Classification:
spre
Score:
52 / 100
Signature
Multi AV Scanner detection for submitted file
Sample tries to kill multiple processes (SIGKILL)
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1609833 Sample: b1.elf Startdate: 08/02/2025 Architecture: LINUX Score: 52 28 1.1.1.1, 53, 56667 CLOUDFLARENETUS Australia 2->28 30 5.231.70.214, 1252, 39504 ASGHOSTNETDE Germany 2->30 32 Multi AV Scanner detection for submitted file 2->32 9 b1.elf 2->9         started        12 xfce4-panel wrapper-2.0 2->12         started        14 xfce4-panel wrapper-2.0 2->14         started        16 4 other processes 2->16 signatures3 process4 signatures5 34 Sample tries to kill multiple processes (SIGKILL) 9->34 18 b1.elf 9->18         started        process6 process7 20 b1.elf 18->20         started        process8 22 b1.elf 20->22         started        24 b1.elf 20->24         started        26 b1.elf 20->26         started       
Threat name:
Linux.Trojan.Mirai
Status:
Malicious
First seen:
2025-02-07 23:07:15 UTC
File Type:
ELF32 Big (Exe)
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  6/10
Tags:
discovery
Behaviour
Reads runtime system information
Changes its process name
Enumerates running processes
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-9441505-0
YARA:
n/a
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_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
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

Tsunami

elf 31bb97ce0b8274599f47a8630b58a303d2f3dde966df511cd3dc3f993780ceec

(this sample)

  
Delivery method
Distributed via web download

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh

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