MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c91defeb50514a72f18c7af596fa101862d7b50981fb1087974b575b261e6d8d. 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: 10


Intelligence 10 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c91defeb50514a72f18c7af596fa101862d7b50981fb1087974b575b261e6d8d
SHA3-384 hash: cdcd94b44d0949bb3694fc9732340ae5164c2fa3b422cde75546604b1f8174aa4e0481ccb93432ccd8a1a5175450e019
SHA1 hash: 2587982b130f75997255edc3fa7e0751ea21635f
MD5 hash: aedf7c22bfa7f9f897081c3fb94823b4
humanhash: utah-music-two-arizona
File name:1
Download: download sample
Signature Mirai
Create hunting rule
File size:290'048 bytes
First seen:2025-01-04 20:51:49 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:20DSQfk+Iz75ZTeglurGw500PGS5Zk/0DqHqXlOqcODmKEgO:2QSUkNlZT60oe2YuO1ODEgO
TLSH T198541D16766D5FDEF767C1BED6E7D0A25924BA402AC3C94CC3BDBC122630059222B1E7
telfhash t1ee21385a8d7813f4d7764d8a16ddfb33a17170df59212d338d21e85e6a2cc829e10c1c
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
159
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Unix.Trojan.Mirai-9441505-0
Create hunting rule

Verdict:
Clean
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6779a03674a2bd296e26f4e2linux22vpnfull_triage
Tags:
malware
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sends data to a server
Opens a port
Connection attempt
Kills processes
Substitutes an application name
Performs a bruteforce attack in the network
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug obfuscated
Link:
https://www.filescan.io/uploads/67799f7377ce8aa8aed71878/reports/0b2378ba-301c-47e1-a93f-1a7d63f56c66/overview
Result
Verdict:
UNKNOWN
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/104ef1d0-8ef5-4a8a-9599-80b65f0f2676
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj
Score:
76 / 100
Link:
https://www.joesandbox.com/analysis/1584222
Signature
Antivirus / Scanner detection for submitted sample
Connects to many ports of the same IP (likely port scanning)
Multi AV Scanner detection for submitted file
Sample tries to kill multiple processes (SIGKILL)
Suricata IDS alerts for network traffic
Uses known network protocols on non-standard ports
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1584222 Sample: 1.elf Startdate: 04/01/2025 Architecture: LINUX Score: 76 31 197.252.128.170, 25676, 37215 SudatelSD Sudan 2->31 33 197.128.32.85, 25676, 37215 IAM-ASMA Morocco 2->33 35 98 other IPs or domains 2->35 37 Suricata IDS alerts for network traffic 2->37 39 Antivirus / Scanner detection for submitted sample 2->39 41 Multi AV Scanner detection for submitted file 2->41 43 2 other signatures 2->43 9 1.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 47 Sample tries to kill multiple processes (SIGKILL) 9->47 18 1.elf 9->18         started        process6 process7 20 1.elf 18->20         started        process8 22 1.elf 20->22         started        25 1.elf 20->25         started        27 1.elf 20->27         started        29 1.elf 20->29         started        signatures9 45 Sample tries to kill multiple processes (SIGKILL) 22->45
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/c91defeb50514a72f18c7af596fa101862d7b50981fb1087974b575b261e6d8d
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c91defeb50514a72f18c7af596fa101862d7b50981fb1087974b575b261e6d8d/
Threat name:
Linux.Trojan.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-01-04 20:52:05 UTC
File Type:
ELF32 Big (Exe)
AV detection:
13 of 23 (56.52%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zeo6722qkffhf4mmpl2zn6qqdbrnpnijqh5rbb4xjnlvwjq6nwgq._file
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery
Link:
https://tria.ge/reports/250104-znp1bswrdz/
Behaviour
Reads runtime system information
Changes its process name
Contacts a large (40381) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-9441505-0
YARA:
n/a
Link:
https://app.threat.zone/submission/34c3fa03-964b-47e9-8ffe-5f30ac79d8c0
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/c91defeb50514a72f18c7af596fa101862d7b50981fb1087974b575b261e6d8d

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:CVE_2017_17215
Create hunting rule
Author:NDA0E
Description:Detects exploitation attempt of CVE-2017-17215
Rule name:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
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 c91defeb50514a72f18c7af596fa101862d7b50981fb1087974b575b261e6d8d

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3350958/
  
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

Comments