MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1dfa9e2e5e88b5ccb8d22dafe4e4aac2e4633d45e971740f8887a98a417bd903. 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: 9


Intelligence 9 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1dfa9e2e5e88b5ccb8d22dafe4e4aac2e4633d45e971740f8887a98a417bd903
SHA3-384 hash: 030ffcf21fcba4cf52f5b7b964677d00433bdeaf9a91d8193b0e26e9488612eb9f1ac38aeea1657ad8518bf7cbfe664b
SHA1 hash: f1058674cd7cd71f3edfd0f72b64b427ac14863c
MD5 hash: 876813d1d9d68d141d4015475f005592
humanhash: wisconsin-magnesium-burger-social
File name:k1
Download: download sample
Signature Mirai
Create hunting rule
File size:162'372 bytes
First seen:2025-04-22 20:22:06 UTC
Last seen:2025-04-23 17:02:16 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:vf3lHxneZEuChQ3cqn3nmUaPxQaw6sUHYvGcfLARzeobAceqJF+GECKVdobNpJ+n:Lgk26sUHYvhTvobNp7oUrlmXLxR
TLSH T1D2F3DE2D6E21BB7EE6B882314BFA6FB4D35611D336D1C680E17DC6185EB524C0C8EB64
telfhash t1ed216d18893813f493755ccd6becff72e1a070cf5a255d378d10e9ad9a2d9428e00c1c
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
2
# of downloads :
133
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Unix.Trojan.Mirai-9441505-0
Create hunting rule

Verdict:
Clean
Score:
84.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6807fb35a37ff28e1298316dlinux22vpnfull_triage
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Kills processes
Sends data to a server
Creating a file
Collects information on the network activity
Substitutes an application name
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
not packed
Botnet:
unknown
Number of open files:
3
Number of processes launched:
1
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/1dfa9e2e5e88b5ccb8d22dafe4e4aac2e4633d45e971740f8887a98a417bd903
Behaviour
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/bf7b5642-2979-434d-ae04-d28c23e35a93
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1671479
Signature
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: 1671479 Sample: k1.elf Startdate: 22/04/2025 Architecture: LINUX Score: 68 31 197.191.228.116, 37215 zain-asGH Ghana 2->31 33 197.186.191.173 airtel-tz-asTZ Tanzania United Republic of 2->33 35 98 other IPs or domains 2->35 37 Suricata IDS alerts for network traffic 2->37 39 Multi AV Scanner detection for submitted file 2->39 41 Connects to many ports of the same IP (likely port scanning) 2->41 43 Uses known network protocols on non-standard ports 2->43 9 k1.elf 2->9         started        12 xfce4-panel wrapper-2.0 2->12         started        14 xfce4-panel wrapper-2.0 2->14         started        16 5 other processes 2->16 signatures3 process4 signatures5 47 Sample tries to kill multiple processes (SIGKILL) 9->47 18 k1.elf 9->18         started        20 wrapper-2.0 xfpm-power-backlight-helper 12->20         started        process6 process7 22 k1.elf 18->22         started        process8 24 k1.elf 22->24         started        27 k1.elf 22->27         started        29 k1.elf 22->29         started        signatures9 45 Sample tries to kill multiple processes (SIGKILL) 24->45
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/1dfa9e2e5e88b5ccb8d22dafe4e4aac2e4633d45e971740f8887a98a417bd903
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1dfa9e2e5e88b5ccb8d22dafe4e4aac2e4633d45e971740f8887a98a417bd903/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-04-22 20:22:25 UTC
File Type:
ELF32 Big (Exe)
AV detection:
12 of 24 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=dx5j4ls6rc24zogsfwx6jzfkylsggpkf5fyxid4iq6uyuql33ebq._file
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery
Link:
https://tria.ge/reports/250422-y5rd2swygz/
Behaviour
Reads runtime system information
Changes its process name
Contacts a large (36595) 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/bf256390-0ff3-4392-bf03-1261cc9860f7
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/1dfa9e2e5e88b5ccb8d22dafe4e4aac2e4633d45e971740f8887a98a417bd903

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
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 1dfa9e2e5e88b5ccb8d22dafe4e4aac2e4633d45e971740f8887a98a417bd903

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3519272/
  
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