MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dc1a95081ff7cbfc15da06eaf090e68ba5fda49e48cc5b507b6671a6637ef6d9. 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: 8


Intelligence 8 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: dc1a95081ff7cbfc15da06eaf090e68ba5fda49e48cc5b507b6671a6637ef6d9
SHA3-384 hash: c828c9c442ab41801c9cbeae0febe888615b45ca4e5bef967f75b11eee05ec6153849908b21a431bb6bacb17ed431b7b
SHA1 hash: f0787e269ccf568f5334fc8143bc045601089b61
MD5 hash: 661102b1c40544f08dea16de534a6e70
humanhash: mars-cup-victor-wisconsin
File name:kt7
Download: download sample
Signature Mirai
Create hunting rule
File size:32'920 bytes
First seen:2025-08-14 21:06:46 UTC
Last seen:2025-08-15 00:15:23 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:EZglPlYaH343ef+1uFQ/WLX9BG7n5etNg68I63Uf1:EZclY03X+y9BAya4v1
TLSH T175E2F144D500ABABC2720D30EDE9850DBFE99DB4F3FE3119770369E95EA3C4276A9460
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 UPX
File size (compressed) :32'920 bytes
File size (de-compressed) :102'888 bytes
Format:linux/arm
Unpacked file: a266d2d33eef5ef4bda35ae21e0b340d79800a0c174b1f402af6a87e561b8285

Intelligence

File Origin
# of uploads :
3
# of downloads :
29
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Siggen.9999.277.17036.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Receives data from a server
Opens a port
DNS request
Runs as daemon
Sends data to a server
Connection attempt
Substitutes an application name
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/8e930b8f-131f-464f-85ec-20548ae64b11
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1757452
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Sends malformed DNS queries
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1757452 Sample: kt7.elf Startdate: 14/08/2025 Architecture: LINUX Score: 72 24 787892.dynv6.net. [malformed] 2->24 26 169.254.169.254, 80 USDOSUS Reserved 2->26 28 3 other IPs or domains 2->28 30 Malicious sample detected (through community Yara rule) 2->30 32 Multi AV Scanner detection for submitted file 2->32 34 Yara detected Mirai 2->34 36 Sample is packed with UPX 2->36 8 kt7.elf 2->8         started        10 python3.8 dpkg 2->10         started        12 python3.8 dpkg 2->12         started        signatures3 38 Sends malformed DNS queries 24->38 process4 process5 14 kt7.elf 8->14         started        process6 16 kt7.elf 14->16         started        18 kt7.elf 14->18         started        20 kt7.elf 14->20         started        22 24 other processes 14->22
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/dc1a95081ff7cbfc15da06eaf090e68ba5fda49e48cc5b507b6671a6637ef6d9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/dc1a95081ff7cbfc15da06eaf090e68ba5fda49e48cc5b507b6671a6637ef6d9/
Verdict:
Malicious
Threat:
HEUR:Backdoor.Linux.Mirai
Link:
https://tip.neiki.dev/file/dc1a95081ff7cbfc15da06eaf090e68ba5fda49e48cc5b507b6671a6637ef6d9
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-08-14 21:10:55 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3qnjkca767f7yfo2a3vpbehgros73je6jdgfwud3mzy2my3663mq._file
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery upx
Link:
https://tria.ge/reports/250814-z1hrsa1tdx/
Behaviour
Reads runtime system information
Changes its process name
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/120e0cb0-9bfa-494a-876b-a4bd708b7fa8
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/dc1a95081ff7cbfc15da06eaf090e68ba5fda49e48cc5b507b6671a6637ef6d9

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:SUSP_ELF_LNX_UPX_Compressed_File
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:upx_packed_elf_v1
Create hunting rule
Author:RandomMalware

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf dc1a95081ff7cbfc15da06eaf090e68ba5fda49e48cc5b507b6671a6637ef6d9

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3603568/
  
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_PIEMissing Position-Independent Executable (PIE) Protectionhigh

Comments